diff options
Diffstat (limited to 'fs')
223 files changed, 3685 insertions, 7432 deletions
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 00c1f6b..8b15bb2 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -99,12 +99,13 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses, * @flags: mount flags * @dev_name: device name that was mounted * @data: mount options + * @mnt: mountpoint record to be instantiated * */ -static struct super_block *v9fs_get_sb(struct file_system_type - *fs_type, int flags, - const char *dev_name, void *data) +static int v9fs_get_sb(struct file_system_type *fs_type, int flags, + const char *dev_name, void *data, + struct vfsmount *mnt) { struct super_block *sb = NULL; struct v9fs_fcall *fcall = NULL; @@ -123,17 +124,19 @@ static struct super_block *v9fs_get_sb(struct file_system_type v9ses = kzalloc(sizeof(struct v9fs_session_info), GFP_KERNEL); if (!v9ses) - return ERR_PTR(-ENOMEM); + return -ENOMEM; if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) { dprintk(DEBUG_ERROR, "problem initiating session\n"); - sb = ERR_PTR(newfid); + retval = newfid; goto out_free_session; } sb = sget(fs_type, NULL, v9fs_set_super, v9ses); - if (IS_ERR(sb)) + if (IS_ERR(sb)) { + retval = PTR_ERR(sb); goto out_close_session; + } v9fs_fill_super(sb, v9ses, flags); inode = v9fs_get_inode(sb, S_IFDIR | mode); @@ -184,19 +187,19 @@ static struct super_block *v9fs_get_sb(struct file_system_type goto put_back_sb; } - return sb; + return simple_set_mnt(mnt, sb); out_close_session: v9fs_session_close(v9ses); out_free_session: kfree(v9ses); - return sb; + return retval; put_back_sb: /* deactivate_super calls v9fs_kill_super which will frees the rest */ up_write(&sb->s_umount); deactivate_super(sb); - return ERR_PTR(retval); + return retval; } /** @@ -53,7 +53,7 @@ config EXT2_FS_SECURITY config EXT2_FS_XIP bool "Ext2 execute in place support" - depends on EXT2_FS + depends on EXT2_FS && MMU help Execute in place can be used on memory-backed block devices. If you enable this option, you can select to mount block devices which are diff --git a/fs/adfs/super.c b/fs/adfs/super.c index 252abda..ba1c88a 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -196,17 +196,17 @@ static int adfs_remount(struct super_block *sb, int *flags, char *data) return parse_options(sb, data); } -static int adfs_statfs(struct super_block *sb, struct kstatfs *buf) +static int adfs_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct adfs_sb_info *asb = ADFS_SB(sb); + struct adfs_sb_info *asb = ADFS_SB(dentry->d_sb); buf->f_type = ADFS_SUPER_MAGIC; buf->f_namelen = asb->s_namelen; - buf->f_bsize = sb->s_blocksize; + buf->f_bsize = dentry->d_sb->s_blocksize; buf->f_blocks = asb->s_size; buf->f_files = asb->s_ids_per_zone * asb->s_map_size; buf->f_bavail = - buf->f_bfree = adfs_map_free(sb); + buf->f_bfree = adfs_map_free(dentry->d_sb); buf->f_ffree = (long)(buf->f_bfree * buf->f_files) / (long)buf->f_blocks; return 0; @@ -470,10 +470,11 @@ error: return -EINVAL; } -static struct super_block *adfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int adfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, adfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, adfs_fill_super, + mnt); } static struct file_system_type adfs_fs_type = { diff --git a/fs/affs/super.c b/fs/affs/super.c index 4d7e5b1..8765cba 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -18,7 +18,7 @@ extern struct timezone sys_tz; -static int affs_statfs(struct super_block *sb, struct kstatfs *buf); +static int affs_statfs(struct dentry *dentry, struct kstatfs *buf); static int affs_remount (struct super_block *sb, int *flags, char *data); static void @@ -508,8 +508,9 @@ affs_remount(struct super_block *sb, int *flags, char *data) } static int -affs_statfs(struct super_block *sb, struct kstatfs *buf) +affs_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; int free; pr_debug("AFFS: statfs() partsize=%d, reserved=%d\n",AFFS_SB(sb)->s_partition_size, @@ -524,10 +525,11 @@ affs_statfs(struct super_block *sb, struct kstatfs *buf) return 0; } -static struct super_block *affs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int affs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, affs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, affs_fill_super, + mnt); } static struct file_system_type affs_fs_type = { diff --git a/fs/afs/dir.c b/fs/afs/dir.c index a6dff6a..2fc9987 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -185,9 +185,7 @@ static struct page *afs_dir_get_page(struct inode *dir, unsigned long index) _enter("{%lu},%lu", dir->i_ino, index); - page = read_cache_page(dir->i_mapping,index, - (filler_t *) dir->i_mapping->a_ops->readpage, - NULL); + page = read_mapping_page(dir->i_mapping, index, NULL); if (!IS_ERR(page)) { wait_on_page_locked(page); kmap(page); diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c index 7b6dc03..99785a7 100644 --- a/fs/afs/mntpt.c +++ b/fs/afs/mntpt.c @@ -63,7 +63,6 @@ unsigned long afs_mntpt_expiry_timeout = 20; int afs_mntpt_check_symlink(struct afs_vnode *vnode) { struct page *page; - filler_t *filler; size_t size; char *buf; int ret; @@ -71,10 +70,7 @@ int afs_mntpt_check_symlink(struct afs_vnode *vnode) _enter("{%u,%u}", vnode->fid.vnode, vnode->fid.unique); /* read the contents of the symlink into the pagecache */ - filler = (filler_t *) AFS_VNODE_TO_I(vnode)->i_mapping->a_ops->readpage; - - page = read_cache_page(AFS_VNODE_TO_I(vnode)->i_mapping, 0, - filler, NULL); + page = read_mapping_page(AFS_VNODE_TO_I(vnode)->i_mapping, 0, NULL); if (IS_ERR(page)) { ret = PTR_ERR(page); goto out; @@ -160,7 +156,6 @@ static struct vfsmount *afs_mntpt_do_automount(struct dentry *mntpt) struct page *page = NULL; size_t size; char *buf, *devname = NULL, *options = NULL; - filler_t *filler; int ret; kenter("{%s}", mntpt->d_name.name); @@ -182,9 +177,7 @@ static struct vfsmount *afs_mntpt_do_automount(struct dentry *mntpt) goto error; /* read the contents of the AFS special symlink */ - filler = (filler_t *)mntpt->d_inode->i_mapping->a_ops->readpage; - - page = read_cache_page(mntpt->d_inode->i_mapping, 0, filler, NULL); + page = read_mapping_page(mntpt->d_inode->i_mapping, 0, NULL); if (IS_ERR(page)) { ret = PTR_ERR(page); goto error; diff --git a/fs/afs/super.c b/fs/afs/super.c index 93a7821..67d1f5c 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -38,9 +38,9 @@ struct afs_mount_params { static void afs_i_init_once(void *foo, kmem_cache_t *cachep, unsigned long flags); -static struct super_block *afs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data); +static int afs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt); static struct inode *afs_alloc_inode(struct super_block *sb); @@ -294,10 +294,11 @@ static int afs_fill_super(struct super_block *sb, void *data, int silent) * get an AFS superblock * - TODO: don't use get_sb_nodev(), but rather call sget() directly */ -static struct super_block *afs_get_sb(struct file_system_type *fs_type, - int flags, - const char *dev_name, - void *options) +static int afs_get_sb(struct file_system_type *fs_type, + int flags, + const char *dev_name, + void *options, + struct vfsmount *mnt) { struct afs_mount_params params; struct super_block *sb; @@ -311,7 +312,7 @@ static struct super_block *afs_get_sb(struct file_system_type *fs_type, ret = afscm_start(); if (ret < 0) { _leave(" = %d", ret); - return ERR_PTR(ret); + return ret; } /* parse the options */ @@ -348,18 +349,19 @@ static struct super_block *afs_get_sb(struct file_system_type *fs_type, goto error; } sb->s_flags |= MS_ACTIVE; + simple_set_mnt(mnt, sb); afs_put_volume(params.volume); afs_put_cell(params.default_cell); - _leave(" = %p", sb); - return sb; + _leave(" = 0 [%p]", 0, sb); + return 0; error: afs_put_volume(params.volume); afs_put_cell(params.default_cell); afscm_stop(); _leave(" = %d", ret); - return ERR_PTR(ret); + return ret; } /* end afs_get_sb() */ /*****************************************************************************/ @@ -777,11 +777,11 @@ out: static int __aio_run_iocbs(struct kioctx *ctx) { struct kiocb *iocb; - LIST_HEAD(run_list); + struct list_head run_list; assert_spin_locked(&ctx->ctx_lock); - list_splice_init(&ctx->run_list, &run_list); + list_replace_init(&ctx->run_list, &run_list); while (!list_empty(&run_list)) { iocb = list_entry(run_list.next, struct kiocb, ki_run_list); diff --git a/fs/autofs/init.c b/fs/autofs/init.c index b977ece..aca1237 100644 --- a/fs/autofs/init.c +++ b/fs/autofs/init.c @@ -14,10 +14,10 @@ #include <linux/init.h> #include "autofs_i.h" -static struct super_block *autofs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int autofs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags, data, autofs_fill_super); + return get_sb_nodev(fs_type, flags, data, autofs_fill_super, mnt); } static struct file_system_type autofs_fs_type = { diff --git a/fs/autofs4/init.c b/fs/autofs4/init.c index acecec8..5d91933 100644 --- a/fs/autofs4/init.c +++ b/fs/autofs4/init.c @@ -14,10 +14,10 @@ #include <linux/init.h> #include "autofs_i.h" -static struct super_block *autofs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int autofs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags, data, autofs4_fill_super); + return get_sb_nodev(fs_type, flags, data, autofs4_fill_super, mnt); } static struct file_system_type autofs_fs_type = { diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index 68ebd10..08201fa 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -49,7 +49,7 @@ static int befs_nls2utf(struct super_block *sb, const char *in, int in_len, char **out, int *out_len); static void befs_put_super(struct super_block *); static int befs_remount(struct super_block *, int *, char *); -static int befs_statfs(struct super_block *, struct kstatfs *); +static int befs_statfs(struct dentry *, struct kstatfs *); static int parse_options(char *, befs_mount_options *); static const struct super_operations befs_sops = { @@ -880,8 +880,9 @@ befs_remount(struct super_block *sb, int *flags, char *data) } static int -befs_statfs(struct super_block *sb, struct kstatfs *buf) +befs_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; befs_debug(sb, "---> befs_statfs()"); @@ -899,11 +900,12 @@ befs_statfs(struct super_block *sb, struct kstatfs *buf) return 0; } -static struct super_block * +static int befs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, - void *data) + void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, befs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, befs_fill_super, + mnt); } static struct file_system_type befs_fs_type = { diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index 55a7a78..cf74f3d 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -203,8 +203,9 @@ static void bfs_put_super(struct super_block *s) s->s_fs_info = NULL; } -static int bfs_statfs(struct super_block *s, struct kstatfs *buf) +static int bfs_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *s = dentry->d_sb; struct bfs_sb_info *info = BFS_SB(s); u64 id = huge_encode_dev(s->s_bdev->bd_dev); buf->f_type = BFS_MAGIC; @@ -410,10 +411,10 @@ out: return -EINVAL; } -static struct super_block *bfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int bfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, bfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, bfs_fill_super, mnt); } static struct file_system_type bfs_fs_type = { diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 537893a..d043440 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -38,15 +38,13 @@ #include <linux/security.h> #include <linux/syscalls.h> #include <linux/random.h> - +#include <linux/elf.h> #include <asm/uaccess.h> #include <asm/param.h> #include <asm/page.h> -#include <linux/elf.h> - -static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs); -static int load_elf_library(struct file*); +static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs); +static int load_elf_library(struct file *); static unsigned long elf_map (struct file *, unsigned long, struct elf_phdr *, int, int); extern int dump_fpu (struct pt_regs *, elf_fpregset_t *); @@ -59,15 +57,15 @@ extern int dump_fpu (struct pt_regs *, elf_fpregset_t *); * don't even try. */ #if defined(USE_ELF_CORE_DUMP) && defined(CONFIG_ELF_CORE) -static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file); +static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file); #else #define elf_core_dump NULL #endif #if ELF_EXEC_PAGESIZE > PAGE_SIZE -# define ELF_MIN_ALIGN ELF_EXEC_PAGESIZE +#define ELF_MIN_ALIGN ELF_EXEC_PAGESIZE #else -# define ELF_MIN_ALIGN PAGE_SIZE +#define ELF_MIN_ALIGN PAGE_SIZE #endif #ifndef ELF_CORE_EFLAGS @@ -86,7 +84,7 @@ static struct linux_binfmt elf_format = { .min_coredump = ELF_EXEC_PAGESIZE }; -#define BAD_ADDR(x) ((unsigned long)(x) > TASK_SIZE) +#define BAD_ADDR(x) ((unsigned long)(x) > TASK_SIZE) static int set_brk(unsigned long start, unsigned long end) { @@ -104,13 +102,11 @@ static int set_brk(unsigned long start, unsigned long end) return 0; } - /* We need to explicitly zero any fractional pages after the data section (i.e. bss). This would contain the junk from the file that should not - be in memory */ - - + be in memory + */ static int padzero(unsigned long elf_bss) { unsigned long nbyte; @@ -129,7 +125,9 @@ static int padzero(unsigned long elf_bss) #define STACK_ADD(sp, items) ((elf_addr_t __user *)(sp) + (items)) #define STACK_ROUND(sp, items) \ ((15 + (unsigned long) ((sp) + (items))) &~ 15UL) -#define STACK_ALLOC(sp, len) ({ elf_addr_t __user *old_sp = (elf_addr_t __user *)sp; sp += len; old_sp; }) +#define STACK_ALLOC(sp, len) ({ \ + elf_addr_t __user *old_sp = (elf_addr_t __user *)sp; sp += len; \ + old_sp; }) #else #define STACK_ADD(sp, items) ((elf_addr_t __user *)(sp) - (items)) #define STACK_ROUND(sp, items) \ @@ -138,7 +136,7 @@ static int padzero(unsigned long elf_bss) #endif static int -create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec, +create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, int interp_aout, unsigned long load_addr, unsigned long interp_load_addr) { @@ -161,7 +159,6 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec, * for userspace to get any other way, in others (i386) it is * merely difficult. */ - u_platform = NULL; if (k_platform) { size_t len = strlen(k_platform) + 1; @@ -171,7 +168,7 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec, * evictions by the processes running on the same package. One * thing we can do is to shuffle the initial stack for them. */ - + p = arch_align_stack(p); u_platform = (elf_addr_t __user *)STACK_ALLOC(p, len); @@ -180,9 +177,12 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec, } /* Create the ELF interpreter info */ - elf_info = (elf_addr_t *) current->mm->saved_auxv; + elf_info = (elf_addr_t *)current->mm->saved_auxv; #define NEW_AUX_ENT(id, val) \ - do { elf_info[ei_index++] = id; elf_info[ei_index++] = val; } while (0) + do { \ + elf_info[ei_index++] = id; \ + elf_info[ei_index++] = val; \ + } while (0) #ifdef ARCH_DLINFO /* @@ -195,21 +195,22 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec, NEW_AUX_ENT(AT_PAGESZ, ELF_EXEC_PAGESIZE); NEW_AUX_ENT(AT_CLKTCK, CLOCKS_PER_SEC); NEW_AUX_ENT(AT_PHDR, load_addr + exec->e_phoff); - NEW_AUX_ENT(AT_PHENT, sizeof (struct elf_phdr)); + NEW_AUX_ENT(AT_PHENT, sizeof(struct elf_phdr)); NEW_AUX_ENT(AT_PHNUM, exec->e_phnum); NEW_AUX_ENT(AT_BASE, interp_load_addr); NEW_AUX_ENT(AT_FLAGS, 0); NEW_AUX_ENT(AT_ENTRY, exec->e_entry); - NEW_AUX_ENT(AT_UID, (elf_addr_t) tsk->uid); - NEW_AUX_ENT(AT_EUID, (elf_addr_t) tsk->euid); - NEW_AUX_ENT(AT_GID, (elf_addr_t) tsk->gid); - NEW_AUX_ENT(AT_EGID, (elf_addr_t) tsk->egid); - NEW_AUX_ENT(AT_SECURE, (elf_addr_t) security_bprm_secureexec(bprm)); + NEW_AUX_ENT(AT_UID, tsk->uid); + NEW_AUX_ENT(AT_EUID, tsk->euid); + NEW_AUX_ENT(AT_GID, tsk->gid); + NEW_AUX_ENT(AT_EGID, tsk->egid); + NEW_AUX_ENT(AT_SECURE, security_bprm_secureexec(bprm)); if (k_platform) { - NEW_AUX_ENT(AT_PLATFORM, (elf_addr_t)(unsigned long)u_platform); + NEW_AUX_ENT(AT_PLATFORM, + (elf_addr_t)(unsigned long)u_platform); } if (bprm->interp_flags & BINPRM_FLAGS_EXECFD) { - NEW_AUX_ENT(AT_EXECFD, (elf_addr_t) bprm->interp_data); + NEW_AUX_ENT(AT_EXECFD, bprm->interp_data); } #undef NEW_AUX_ENT /* AT_NULL is zero; clear the rest too */ @@ -232,7 +233,7 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec, /* Point sp at the lowest address on the stack */ #ifdef CONFIG_STACK_GROWSUP sp = (elf_addr_t __user *)bprm->p - items - ei_index; - bprm->exec = (unsigned long) sp; /* XXX: PARISC HACK */ + bprm->exec = (unsigned long)sp; /* XXX: PARISC HACK */ #else sp = (elf_addr_t __user *)bprm->p; #endif @@ -285,7 +286,7 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec, #ifndef elf_map static unsigned long elf_map(struct file *filep, unsigned long addr, - struct elf_phdr *eppnt, int prot, int type) + struct elf_phdr *eppnt, int prot, int type) { unsigned long map_addr; unsigned long pageoffset = ELF_PAGEOFFSET(eppnt->p_vaddr); @@ -310,9 +311,8 @@ static unsigned long elf_map(struct file *filep, unsigned long addr, is only provided so that we can read a.out libraries that have an ELF header */ -static unsigned long load_elf_interp(struct elfhdr * interp_elf_ex, - struct file * interpreter, - unsigned long *interp_load_addr) +static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, + struct file *interpreter, unsigned long *interp_load_addr) { struct elf_phdr *elf_phdata; struct elf_phdr *eppnt; @@ -342,15 +342,15 @@ static unsigned long load_elf_interp(struct elfhdr * interp_elf_ex, goto out; /* Now read in all of the header information */ - size = sizeof(struct elf_phdr) * interp_elf_ex->e_phnum; if (size > ELF_MIN_ALIGN) goto out; - elf_phdata = (struct elf_phdr *) kmalloc(size, GFP_KERNEL); + elf_phdata = kmalloc(size, GFP_KERNEL); if (!elf_phdata) goto out; - retval = kernel_read(interpreter,interp_elf_ex->e_phoff,(char *)elf_phdata,size); + retval = kernel_read(interpreter, interp_elf_ex->e_phoff, + (char *)elf_phdata,size); error = -EIO; if (retval != size) { if (retval < 0) @@ -359,58 +359,65 @@ static unsigned long load_elf_interp(struct elfhdr * interp_elf_ex, } eppnt = elf_phdata; - for (i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) { - if (eppnt->p_type == PT_LOAD) { - int elf_type = MAP_PRIVATE | MAP_DENYWRITE; - int elf_prot = 0; - unsigned long vaddr = 0; - unsigned long k, map_addr; - - if (eppnt->p_flags & PF_R) elf_prot = PROT_READ; - if (eppnt->p_flags & PF_W) elf_prot |= PROT_WRITE; - if (eppnt->p_flags & PF_X) elf_prot |= PROT_EXEC; - vaddr = eppnt->p_vaddr; - if (interp_elf_ex->e_type == ET_EXEC || load_addr_set) - elf_type |= MAP_FIXED; - - map_addr = elf_map(interpreter, load_addr + vaddr, eppnt, elf_prot, elf_type); - error = map_addr; - if (BAD_ADDR(map_addr)) - goto out_close; - - if (!load_addr_set && interp_elf_ex->e_type == ET_DYN) { - load_addr = map_addr - ELF_PAGESTART(vaddr); - load_addr_set = 1; - } - - /* - * Check to see if the section's size will overflow the - * allowed task size. Note that p_filesz must always be - * <= p_memsize so it is only necessary to check p_memsz. - */ - k = load_addr + eppnt->p_vaddr; - if (k > TASK_SIZE || eppnt->p_filesz > eppnt->p_memsz || - eppnt->p_memsz > TASK_SIZE || TASK_SIZE - eppnt->p_memsz < k) { - error = -ENOMEM; - goto out_close; - } - - /* - * Find the end of the file mapping for this phdr, and keep - * track of the largest address we see for this. - */ - k = load_addr + eppnt->p_vaddr + eppnt->p_filesz; - if (k > elf_bss) - elf_bss = k; - - /* - * Do the same thing for the memory mapping - between - * elf_bss and last_bss is the bss section. - */ - k = load_addr + eppnt->p_memsz + eppnt->p_vaddr; - if (k > last_bss) - last_bss = k; - } + for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) { + if (eppnt->p_type == PT_LOAD) { + int elf_type = MAP_PRIVATE | MAP_DENYWRITE; + int elf_prot = 0; + unsigned long vaddr = 0; + unsigned long k, map_addr; + + if (eppnt->p_flags & PF_R) + elf_prot = PROT_READ; + if (eppnt->p_flags & PF_W) + elf_prot |= PROT_WRITE; + if (eppnt->p_flags & PF_X) + elf_prot |= PROT_EXEC; + vaddr = eppnt->p_vaddr; + if (interp_elf_ex->e_type == ET_EXEC || load_addr_set) + elf_type |= MAP_FIXED; + + map_addr = elf_map(interpreter, load_addr + vaddr, + eppnt, elf_prot, elf_type); + error = map_addr; + if (BAD_ADDR(map_addr)) + goto out_close; + + if (!load_addr_set && + interp_elf_ex->e_type == ET_DYN) { + load_addr = map_addr - ELF_PAGESTART(vaddr); + load_addr_set = 1; + } + + /* + * Check to see if the section's size will overflow the + * allowed task size. Note that p_filesz must always be + * <= p_memsize so it's only necessary to check p_memsz. + */ + k = load_addr + eppnt->p_vaddr; + if (k > TASK_SIZE || + eppnt->p_filesz > eppnt->p_memsz || + eppnt->p_memsz > TASK_SIZE || + TASK_SIZE - eppnt->p_memsz < k) { + error = -ENOMEM; + goto out_close; + } + + /* + * Find the end of the file mapping for this phdr, and + * keep track of the largest address we see for this. + */ + k = load_addr + eppnt->p_vaddr + eppnt->p_filesz; + if (k > elf_bss) + elf_bss = k; + + /* + * Do the same thing for the memory mapping - between + * elf_bss and last_bss is the bss section. + */ + k = load_addr + eppnt->p_memsz + eppnt->p_vaddr; + if (k > last_bss) + last_bss = k; + } } /* @@ -424,7 +431,8 @@ static unsigned long load_elf_interp(struct elfhdr * interp_elf_ex, goto out_close; } - elf_bss = ELF_PAGESTART(elf_bss + ELF_MIN_ALIGN - 1); /* What we have mapped so far */ + /* What we have mapped so far */ + elf_bss = ELF_PAGESTART(elf_bss + ELF_MIN_ALIGN - 1); /* Map the last of the bss segment */ if (last_bss > elf_bss) { @@ -436,7 +444,7 @@ static unsigned long load_elf_interp(struct elfhdr * interp_elf_ex, } *interp_load_addr = load_addr; - error = ((unsigned long) interp_elf_ex->e_entry) + load_addr; + error = ((unsigned long)interp_elf_ex->e_entry) + load_addr; out_close: kfree(elf_phdata); @@ -444,8 +452,8 @@ out: return error; } -static unsigned long load_aout_interp(struct exec * interp_ex, - struct file * interpreter) +static unsigned long load_aout_interp(struct exec *interp_ex, + struct file *interpreter) { unsigned long text_data, elf_entry = ~0UL; char __user * addr; @@ -464,7 +472,7 @@ static unsigned long load_aout_interp(struct exec * interp_ex, case ZMAGIC: case QMAGIC: offset = N_TXTOFF(*interp_ex); - addr = (char __user *) N_TXTADDR(*interp_ex); + addr = (char __user *)N_TXTADDR(*interp_ex); break; default: goto out; @@ -480,7 +488,6 @@ static unsigned long load_aout_interp(struct exec * interp_ex, flush_icache_range((unsigned long)addr, (unsigned long)addr + text_data); - down_write(¤t->mm->mmap_sem); do_brk(ELF_PAGESTART(text_data + ELF_MIN_ALIGN - 1), interp_ex->a_bss); @@ -519,7 +526,7 @@ static unsigned long randomize_stack_top(unsigned long stack_top) #endif } -static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) +static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) { struct file *interpreter = NULL; /* to shut gcc up */ unsigned long load_addr = 0, load_bias = 0; @@ -528,7 +535,7 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) unsigned int interpreter_type = INTERPRETER_NONE; unsigned char ibcs2_interpreter = 0; unsigned long error; - struct elf_phdr * elf_ppnt, *elf_phdata; + struct elf_phdr *elf_ppnt, *elf_phdata; unsigned long elf_bss, elf_brk; int elf_exec_fileno; int retval, i; @@ -553,7 +560,7 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) } /* Get the exec-header */ - loc->elf_ex = *((struct elfhdr *) bprm->buf); + loc->elf_ex = *((struct elfhdr *)bprm->buf); retval = -ENOEXEC; /* First of all, some simple consistency checks */ @@ -568,7 +575,6 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) goto out; /* Now read in all of the header information */ - if (loc->elf_ex.e_phentsize != sizeof(struct elf_phdr)) goto out; if (loc->elf_ex.e_phnum < 1 || @@ -576,18 +582,19 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) goto out; size = loc->elf_ex.e_phnum * sizeof(struct elf_phdr); retval = -ENOMEM; - elf_phdata = (struct elf_phdr *) kmalloc(size, GFP_KERNEL); + elf_phdata = kmalloc(size, GFP_KERNEL); if (!elf_phdata) goto out; - retval = kernel_read(bprm->file, loc->elf_ex.e_phoff, (char *) elf_phdata, size); + retval = kernel_read(bprm->file, loc->elf_ex.e_phoff, + (char *)elf_phdata, size); if (retval != size) { if (retval >= 0) retval = -EIO; goto out_free_ph; } - files = current->files; /* Refcounted so ok */ + files = current->files; /* Refcounted so ok */ retval = unshare_files(); if (retval < 0) goto out_free_ph; @@ -598,7 +605,6 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) /* exec will make our files private anyway, but for the a.out loader stuff we need to do it earlier */ - retval = get_unused_fd(); if (retval < 0) goto out_free_fh; @@ -620,7 +626,6 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) * shared libraries - for now assume that this * is an a.out format binary */ - retval = -ENOEXEC; if (elf_ppnt->p_filesz > PATH_MAX || elf_ppnt->p_filesz < 2) @@ -628,13 +633,13 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) retval = -ENOMEM; elf_interpreter = kmalloc(elf_ppnt->p_filesz, - GFP_KERNEL); + GFP_KERNEL); if (!elf_interpreter) goto out_free_file; retval = kernel_read(bprm->file, elf_ppnt->p_offset, - elf_interpreter, - elf_ppnt->p_filesz); + elf_interpreter, + elf_ppnt->p_filesz); if (retval != elf_ppnt->p_filesz) { if (retval >= 0) retval = -EIO; @@ -678,7 +683,8 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) retval = PTR_ERR(interpreter); if (IS_ERR(interpreter)) goto out_free_interp; - retval = kernel_read(interpreter, 0, bprm->buf, BINPRM_BUF_SIZE); + retval = kernel_read(interpreter, 0, bprm->buf, + BINPRM_BUF_SIZE); if (retval != BINPRM_BUF_SIZE) { if (retval >= 0) retval = -EIO; @@ -686,8 +692,8 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) } /* Get the exec headers */ - loc->interp_ex = *((struct exec *) bprm->buf); - loc->interp_elf_ex = *((struct elfhdr *) bprm->buf); + loc->interp_ex = *((struct exec *)bprm->buf); + loc->interp_elf_ex = *((struct elfhdr *)bprm->buf); break; } elf_ppnt++; @@ -739,7 +745,6 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) /* OK, we are done with that, now set up the arg stuff, and then start this sucker up */ - if ((!bprm->sh_bang) && (interpreter_type == INTERPRETER_AOUT)) { char *passed_p = passed_fileno; sprintf(passed_fileno, "%d", elf_exec_fileno); @@ -759,7 +764,6 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) /* Discard our unneeded old files struct */ if (files) { - steal_locks(files); put_files_struct(files); files = NULL; } @@ -778,7 +782,7 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) if (elf_read_implies_exec(loc->elf_ex, executable_stack)) current->personality |= READ_IMPLIES_EXEC; - if ( !(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) + if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) current->flags |= PF_RANDOMIZE; arch_pick_mmap_layout(current->mm); @@ -799,8 +803,8 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) the correct location in memory. At this point, we assume that the image should be loaded at fixed address, not at a variable address. */ - - for(i = 0, elf_ppnt = elf_phdata; i < loc->elf_ex.e_phnum; i++, elf_ppnt++) { + for(i = 0, elf_ppnt = elf_phdata; + i < loc->elf_ex.e_phnum; i++, elf_ppnt++) { int elf_prot = 0, elf_flags; unsigned long k, vaddr; @@ -828,30 +832,35 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) load_bias, nbyte)) { /* * This bss-zeroing can fail if the ELF - * file specifies odd protections. So + * file specifies odd protections. So * we don't check the return value */ } } } - if (elf_ppnt->p_flags & PF_R) elf_prot |= PROT_READ; - if (elf_ppnt->p_flags & PF_W) elf_prot |= PROT_WRITE; - if (elf_ppnt->p_flags & PF_X) elf_prot |= PROT_EXEC; + if (elf_ppnt->p_flags & PF_R) + elf_prot |= PROT_READ; + if (elf_ppnt->p_flags & PF_W) + elf_prot |= PROT_WRITE; + if (elf_ppnt->p_flags & PF_X) + elf_prot |= PROT_EXEC; - elf_flags = MAP_PRIVATE|MAP_DENYWRITE|MAP_EXECUTABLE; + elf_flags = MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE; vaddr = elf_ppnt->p_vaddr; if (loc->elf_ex.e_type == ET_EXEC || load_addr_set) { elf_flags |= MAP_FIXED; } else if (loc->elf_ex.e_type == ET_DYN) { - /* Try and get dynamic programs out of the way of the default mmap - base, as well as whatever program they might try to exec. This - is because the brk will follow the loader, and is not movable. */ + /* Try and get dynamic programs out of the way of the + * default mmap base, as well as whatever program they + * might try to exec. This is because the brk will + * follow the loader, and is not movable. */ load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr); } - error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt, elf_prot, elf_flags); + error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt, + elf_prot, elf_flags); if (BAD_ADDR(error)) { send_sig(SIGKILL, current, 0); goto out_free_dentry; @@ -868,8 +877,10 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) } } k = elf_ppnt->p_vaddr; - if (k < start_code) start_code = k; - if (start_data < k) start_data = k; + if (k < start_code) + start_code = k; + if (start_data < k) + start_data = k; /* * Check to see if the section's size will overflow the @@ -879,7 +890,7 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) if (k > TASK_SIZE || elf_ppnt->p_filesz > elf_ppnt->p_memsz || elf_ppnt->p_memsz > TASK_SIZE || TASK_SIZE - elf_ppnt->p_memsz < k) { - /* set_brk can never work. Avoid overflows. */ + /* set_brk can never work. Avoid overflows. */ send_sig(SIGKILL, current, 0); goto out_free_dentry; } @@ -967,8 +978,9 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) compute_creds(bprm); current->flags &= ~PF_FORKNOEXEC; - create_elf_tables(bprm, &loc->elf_ex, (interpreter_type == INTERPRETER_AOUT), - load_addr, interp_load_addr); + create_elf_tables(bprm, &loc->elf_ex, + (interpreter_type == INTERPRETER_AOUT), + load_addr, interp_load_addr); /* N.B. passed_fileno might not be initialized? */ if (interpreter_type == INTERPRETER_AOUT) current->mm->arg_start += strlen(passed_fileno) + 1; @@ -982,7 +994,7 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) /* Why this, you ask??? Well SVr4 maps page 0 as read-only, and some applications "depend" upon this behavior. Since we do not have the power to recompile these, we - emulate the SVr4 behavior. Sigh. */ + emulate the SVr4 behavior. Sigh. */ down_write(¤t->mm->mmap_sem); error = do_mmap(NULL, 0, PAGE_SIZE, PROT_READ | PROT_EXEC, MAP_FIXED | MAP_PRIVATE, 0); @@ -1037,7 +1049,6 @@ out_free_ph: /* This is really simpleminded and specialized - we are loading an a.out library that is given an ELF header. */ - static int load_elf_library(struct file *file) { struct elf_phdr *elf_phdata; @@ -1047,7 +1058,7 @@ static int load_elf_library(struct file *file) struct elfhdr elf_ex; error = -ENOEXEC; - retval = kernel_read(file, 0, (char *) &elf_ex, sizeof(elf_ex)); + retval = kernel_read(file, 0, (char *)&elf_ex, sizeof(elf_ex)); if (retval != sizeof(elf_ex)) goto out; @@ -1056,7 +1067,7 @@ static int load_elf_library(struct file *file) /* First of all, some simple consistency checks */ if (elf_ex.e_type != ET_EXEC || elf_ex.e_phnum > 2 || - !elf_check_arch(&elf_ex) || !file->f_op || !file->f_op->mmap) + !elf_check_arch(&elf_ex) || !file->f_op || !file->f_op->mmap) goto out; /* Now read in all of the header information */ @@ -1104,7 +1115,8 @@ static int load_elf_library(struct file *file) goto out_free_ph; } - len = ELF_PAGESTART(eppnt->p_filesz + eppnt->p_vaddr + ELF_MIN_ALIGN - 1); + len = ELF_PAGESTART(eppnt->p_filesz + eppnt->p_vaddr + + ELF_MIN_ALIGN - 1); bss = eppnt->p_memsz + eppnt->p_vaddr; if (bss > len) { down_write(¤t->mm->mmap_sem); @@ -1163,7 +1175,7 @@ static int maydump(struct vm_area_struct *vma) if (vma->vm_flags & (VM_IO | VM_RESERVED)) return 0; - /* Dump shared memory only if mapped from an anonymous file. */ + /* Dump shared memory only if mapped from an anonymous file. */ if (vma->vm_flags & VM_SHARED) return vma->vm_file->f_dentry->d_inode->i_nlink == 0; @@ -1174,7 +1186,7 @@ static int maydump(struct vm_area_struct *vma) return 1; } -#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) +#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) /* An ELF note in memory */ struct memelfnote @@ -1277,11 +1289,11 @@ static void fill_note(struct memelfnote *note, const char *name, int type, } /* - * fill up all the fields in prstatus from the given task struct, except registers - * which need to be filled up separately. + * fill up all the fields in prstatus from the given task struct, except + * registers which need to be filled up separately. */ static void fill_prstatus(struct elf_prstatus *prstatus, - struct task_struct *p, long signr) + struct task_struct *p, long signr) { prstatus->pr_info.si_signo = prstatus->pr_cursig = signr; prstatus->pr_sigpend = p->pending.signal.sig[0]; @@ -1366,8 +1378,8 @@ struct elf_thread_status /* * In order to add the specific thread information for the elf file format, - * we need to keep a linked list of every threads pr_status and then - * create a single section for them in the final core file. + * we need to keep a linked list of every threads pr_status and then create + * a single section for them in the final core file. */ static int elf_dump_thread_status(long signr, struct elf_thread_status *t) { @@ -1378,19 +1390,23 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t) fill_prstatus(&t->prstatus, p, signr); elf_core_copy_task_regs(p, &t->prstatus.pr_reg); - fill_note(&t->notes[0], "CORE", NT_PRSTATUS, sizeof(t->prstatus), &(t->prstatus)); + fill_note(&t->notes[0], "CORE", NT_PRSTATUS, sizeof(t->prstatus), + &(t->prstatus)); t->num_notes++; sz += notesize(&t->notes[0]); - if ((t->prstatus.pr_fpvalid = elf_core_copy_task_fpregs(p, NULL, &t->fpu))) { - fill_note(&t->notes[1], "CORE", NT_PRFPREG, sizeof(t->fpu), &(t->fpu)); + if ((t->prstatus.pr_fpvalid = elf_core_copy_task_fpregs(p, NULL, + &t->fpu))) { + fill_note(&t->notes[1], "CORE", NT_PRFPREG, sizeof(t->fpu), + &(t->fpu)); t->num_notes++; sz += notesize(&t->notes[1]); } #ifdef ELF_CORE_COPY_XFPREGS if (elf_core_copy_task_xfpregs(p, &t->xfpu)) { - fill_note(&t->notes[2], "LINUX", NT_PRXFPREG, sizeof(t->xfpu), &t->xfpu); + fill_note(&t->notes[2], "LINUX", NT_PRXFPREG, sizeof(t->xfpu), + &t->xfpu); t->num_notes++; sz += notesize(&t->notes[2]); } @@ -1405,7 +1421,7 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t) * and then they are actually written out. If we run out of core limit * we just truncate. */ -static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file) +static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) { #define NUM_NOTES 6 int has_dumped = 0; @@ -1434,12 +1450,12 @@ static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file) /* * We no longer stop all VM operations. * - * This is because those proceses that could possibly change map_count or - * the mmap / vma pages are now blocked in do_exit on current finishing - * this core dump. + * This is because those proceses that could possibly change map_count + * or the mmap / vma pages are now blocked in do_exit on current + * finishing this core dump. * * Only ptrace can touch these memory addresses, but it doesn't change - * the map_count or the pages allocated. So no possibility of crashing + * the map_count or the pages allocated. So no possibility of crashing * exists while dumping the mm->vm_next areas to the core file. */ @@ -1501,7 +1517,7 @@ static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file) #endif /* Set up header */ - fill_elf_header(elf, segs+1); /* including notes section */ + fill_elf_header(elf, segs + 1); /* including notes section */ has_dumped = 1; current->flags |= PF_DUMPCORE; @@ -1511,24 +1527,24 @@ static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file) * with info from their /proc. */ - fill_note(notes +0, "CORE", NT_PRSTATUS, sizeof(*prstatus), prstatus); - + fill_note(notes + 0, "CORE", NT_PRSTATUS, sizeof(*prstatus), prstatus); fill_psinfo(psinfo, current->group_leader, current->mm); - fill_note(notes +1, "CORE", NT_PRPSINFO, sizeof(*psinfo), psinfo); + fill_note(notes + 1, "CORE", NT_PRPSINFO, sizeof(*psinfo), psinfo); numnote = 2; - auxv = (elf_addr_t *) current->mm->saved_auxv; + auxv = (elf_addr_t *)current->mm->saved_auxv; i = 0; do i += 2; while (auxv[i - 2] != AT_NULL); fill_note(¬es[numnote++], "CORE", NT_AUXV, - i * sizeof (elf_addr_t), auxv); + i * sizeof(elf_addr_t), auxv); /* Try to dump the FPU. */ - if ((prstatus->pr_fpvalid = elf_core_copy_task_fpregs(current, regs, fpu))) + if ((prstatus->pr_fpvalid = + elf_core_copy_task_fpregs(current, regs, fpu))) fill_note(notes + numnote++, "CORE", NT_PRFPREG, sizeof(*fpu), fpu); #ifdef ELF_CORE_COPY_XFPREGS @@ -1577,8 +1593,10 @@ static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file) phdr.p_memsz = sz; offset += phdr.p_filesz; phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0; - if (vma->vm_flags & VM_WRITE) phdr.p_flags |= PF_W; - if (vma->vm_flags & VM_EXEC) phdr.p_flags |= PF_X; + if (vma->vm_flags & VM_WRITE) + phdr.p_flags |= PF_W; + if (vma->vm_flags & VM_EXEC) + phdr.p_flags |= PF_X; phdr.p_align = ELF_EXEC_PAGESIZE; DUMP_WRITE(&phdr, sizeof(phdr)); @@ -1595,7 +1613,9 @@ static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file) /* write out the thread status notes section */ list_for_each(t, &thread_list) { - struct elf_thread_status *tmp = list_entry(t, struct elf_thread_status, list); + struct elf_thread_status *tmp = + list_entry(t, struct elf_thread_status, list); + for (i = 0; i < tmp->num_notes; i++) if (!writenote(&tmp->notes[i], file)) goto end_coredump; @@ -1612,18 +1632,19 @@ static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file) for (addr = vma->vm_start; addr < vma->vm_end; addr += PAGE_SIZE) { - struct page* page; + struct page *page; struct vm_area_struct *vma; if (get_user_pages(current, current->mm, addr, 1, 0, 1, &page, &vma) <= 0) { - DUMP_SEEK (file->f_pos + PAGE_SIZE); + DUMP_SEEK(file->f_pos + PAGE_SIZE); } else { if (page == ZERO_PAGE(addr)) { - DUMP_SEEK (file->f_pos + PAGE_SIZE); + DUMP_SEEK(file->f_pos + PAGE_SIZE); } else { void *kaddr; - flush_cache_page(vma, addr, page_to_pfn(page)); + flush_cache_page(vma, addr, + page_to_pfn(page)); kaddr = kmap(page); if ((size += PAGE_SIZE) > limit || !dump_write(file, kaddr, @@ -1645,7 +1666,8 @@ static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file) if ((off_t)file->f_pos != offset) { /* Sanity check */ - printk(KERN_WARNING "elf_core_dump: file->f_pos (%ld) != offset (%ld)\n", + printk(KERN_WARNING + "elf_core_dump: file->f_pos (%ld) != offset (%ld)\n", (off_t)file->f_pos, offset); } diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index a2e48c9..eba4e23 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -435,9 +435,10 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, struct elf_fdpic_params *interp_params) { unsigned long sp, csp, nitems; - elf_caddr_t *argv, *envp; + elf_caddr_t __user *argv, *envp; size_t platform_len = 0, len; - char *k_platform, *u_platform, *p; + char *k_platform; + char __user *u_platform, *p; long hwcap; int loop; @@ -462,12 +463,11 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, if (k_platform) { platform_len = strlen(k_platform) + 1; sp -= platform_len; + u_platform = (char __user *) sp; if (__copy_to_user(u_platform, k_platform, platform_len) != 0) return -EFAULT; } - u_platform = (char *) sp; - #if defined(__i386__) && defined(CONFIG_SMP) /* in some cases (e.g. Hyper-Threading), we want to avoid L1 evictions * by the processes running on the same package. One thing we can do @@ -490,7 +490,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, sp = (sp - len) & ~7UL; exec_params->map_addr = sp; - if (copy_to_user((void *) sp, exec_params->loadmap, len) != 0) + if (copy_to_user((void __user *) sp, exec_params->loadmap, len) != 0) return -EFAULT; current->mm->context.exec_fdpic_loadmap = (unsigned long) sp; @@ -501,7 +501,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, sp = (sp - len) & ~7UL; interp_params->map_addr = sp; - if (copy_to_user((void *) sp, interp_params->loadmap, len) != 0) + if (copy_to_user((void __user *) sp, interp_params->loadmap, len) != 0) return -EFAULT; current->mm->context.interp_fdpic_loadmap = (unsigned long) sp; @@ -527,7 +527,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, /* put the ELF interpreter info on the stack */ #define NEW_AUX_ENT(nr, id, val) \ do { \ - struct { unsigned long _id, _val; } *ent = (void *) csp; \ + struct { unsigned long _id, _val; } __user *ent = (void __user *) csp; \ __put_user((id), &ent[nr]._id); \ __put_user((val), &ent[nr]._val); \ } while (0) @@ -564,13 +564,13 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, /* allocate room for argv[] and envv[] */ csp -= (bprm->envc + 1) * sizeof(elf_caddr_t); - envp = (elf_caddr_t *) csp; + envp = (elf_caddr_t __user *) csp; csp -= (bprm->argc + 1) * sizeof(elf_caddr_t); - argv = (elf_caddr_t *) csp; + argv = (elf_caddr_t __user *) csp; /* stack argc */ csp -= sizeof(unsigned long); - __put_user(bprm->argc, (unsigned long *) csp); + __put_user(bprm->argc, (unsigned long __user *) csp); BUG_ON(csp != sp); @@ -581,7 +581,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, current->mm->arg_start = current->mm->start_stack - (MAX_ARG_PAGES * PAGE_SIZE - bprm->p); #endif - p = (char *) current->mm->arg_start; + p = (char __user *) current->mm->arg_start; for (loop = bprm->argc; loop > 0; loop--) { __put_user((elf_caddr_t) p, argv++); len = strnlen_user(p, PAGE_SIZE * MAX_ARG_PAGES); @@ -1025,7 +1025,7 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params, /* clear the bit between beginning of mapping and beginning of PT_LOAD */ if (prot & PROT_WRITE && disp > 0) { kdebug("clear[%d] ad=%lx sz=%lx", loop, maddr, disp); - clear_user((void *) maddr, disp); + clear_user((void __user *) maddr, disp); maddr += disp; } @@ -1059,7 +1059,7 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params, if (prot & PROT_WRITE && excess1 > 0) { kdebug("clear[%d] ad=%lx sz=%lx", loop, maddr + phdr->p_filesz, excess1); - clear_user((void *) maddr + phdr->p_filesz, excess1); + clear_user((void __user *) maddr + phdr->p_filesz, excess1); } #else diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index c0a909e..34ebbc1 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -204,7 +204,6 @@ static int load_misc_binary(struct linux_binprm *bprm, struct pt_regs *regs) goto _error; if (files) { - steal_locks(files); put_files_struct(files); files = NULL; } @@ -741,10 +740,10 @@ static int bm_fill_super(struct super_block * sb, void * data, int silent) return err; } -static struct super_block *bm_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int bm_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_single(fs_type, flags, data, bm_fill_super); + return get_sb_single(fs_type, flags, data, bm_fill_super, mnt); } static struct linux_binfmt misc_format = { diff --git a/fs/block_dev.c b/fs/block_dev.c index f5958f4..028d9fb 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -300,10 +300,10 @@ static struct super_operations bdev_sops = { .clear_inode = bdev_clear_inode, }; -static struct super_block *bd_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int bd_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_pseudo(fs_type, "bdev:", &bdev_sops, 0x62646576); + return get_sb_pseudo(fs_type, "bdev:", &bdev_sops, 0x62646576, mnt); } static struct file_system_type bd_type = { @@ -414,21 +414,31 @@ EXPORT_SYMBOL(bdput); static struct block_device *bd_acquire(struct inode *inode) { struct block_device *bdev; + spin_lock(&bdev_lock); bdev = inode->i_bdev; - if (bdev && igrab(bdev->bd_inode)) { + if (bdev) { + atomic_inc(&bdev->bd_inode->i_count); spin_unlock(&bdev_lock); return bdev; } spin_unlock(&bdev_lock); + bdev = bdget(inode->i_rdev); if (bdev) { spin_lock(&bdev_lock); - if (inode->i_bdev) - __bd_forget(inode); - inode->i_bdev = bdev; - inode->i_mapping = bdev->bd_inode->i_mapping; - list_add(&inode->i_devices, &bdev->bd_inodes); + if (!inode->i_bdev) { + /* + * We take an additional bd_inode->i_count for inode, + * and it's released in clear_inode() of inode. + * So, we can access it via ->i_mapping always + * without igrab(). + */ + atomic_inc(&bdev->bd_inode->i_count); + inode->i_bdev = bdev; + inode->i_mapping = bdev->bd_inode->i_mapping; + list_add(&inode->i_devices, &bdev->bd_inodes); + } spin_unlock(&bdev_lock); } return bdev; @@ -438,10 +448,18 @@ static struct block_device *bd_acquire(struct inode *inode) void bd_forget(struct inode *inode) { + struct block_device *bdev = NULL; + spin_lock(&bdev_lock); - if (inode->i_bdev) + if (inode->i_bdev) { + if (inode->i_sb != blockdev_superblock) + bdev = inode->i_bdev; __bd_forget(inode); + } spin_unlock(&bdev_lock); + + if (bdev) + iput(bdev->bd_inode); } int bd_claim(struct block_device *bdev, void *holder) diff --git a/fs/buffer.c b/fs/buffer.c index 23f1f3a..373bb62 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -331,7 +331,6 @@ long do_fsync(struct file *file, int datasync) goto out; } - current->flags |= PF_SYNCWRITE; ret = filemap_fdatawrite(mapping); /* @@ -346,7 +345,6 @@ long do_fsync(struct file *file, int datasync) err = filemap_fdatawait(mapping); if (!ret) ret = err; - current->flags &= ~PF_SYNCWRITE; out: return ret; } diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 3fdc225..8b4de6e 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -166,8 +166,9 @@ cifs_put_super(struct super_block *sb) } static int -cifs_statfs(struct super_block *sb, struct kstatfs *buf) +cifs_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; int xid; int rc = -EOPNOTSUPP; struct cifs_sb_info *cifs_sb; @@ -462,9 +463,9 @@ struct super_operations cifs_super_ops = { .remount_fs = cifs_remount, }; -static struct super_block * +static int cifs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { int rc; struct super_block *sb = sget(fs_type, NULL, set_anon_super, NULL); @@ -472,7 +473,7 @@ cifs_get_sb(struct file_system_type *fs_type, cFYI(1, ("Devname: %s flags: %d ", dev_name, flags)); if (IS_ERR(sb)) - return sb; + return PTR_ERR(sb); sb->s_flags = flags; @@ -480,10 +481,10 @@ cifs_get_sb(struct file_system_type *fs_type, if (rc) { up_write(&sb->s_umount); deactivate_super(sb); - return ERR_PTR(rc); + return rc; } sb->s_flags |= MS_ACTIVE; - return sb; + return simple_set_mnt(mnt, sb); } static ssize_t cifs_file_writev(struct file *file, const struct iovec *iov, diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index c98755d..d56c057 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -74,7 +74,7 @@ extern ssize_t cifs_user_write(struct file *file, const char __user *write_data, size_t write_size, loff_t * poffset); extern int cifs_lock(struct file *, int, struct file_lock *); extern int cifs_fsync(struct file *, struct dentry *, int); -extern int cifs_flush(struct file *); +extern int cifs_flush(struct file *, fl_owner_t id); extern int cifs_file_mmap(struct file * , struct vm_area_struct *); extern const struct file_operations cifs_dir_ops; extern int cifs_dir_open(struct inode *inode, struct file *file); diff --git a/fs/cifs/file.c b/fs/cifs/file.c index e2b4ce1..b4a18c1 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1079,9 +1079,9 @@ static int cifs_writepages(struct address_space *mapping, unsigned int bytes_written; struct cifs_sb_info *cifs_sb; int done = 0; - pgoff_t end = -1; + pgoff_t end; pgoff_t index; - int is_range = 0; + int range_whole = 0; struct kvec iov[32]; int len; int n_iov = 0; @@ -1122,16 +1122,14 @@ static int cifs_writepages(struct address_space *mapping, xid = GetXid(); pagevec_init(&pvec, 0); - if (wbc->sync_mode == WB_SYNC_NONE) + if (wbc->range_cyclic) { index = mapping->writeback_index; /* Start from prev offset */ - else { - index = 0; - scanned = 1; - } - if (wbc->start || wbc->end) { - index = wbc->start >> PAGE_CACHE_SHIFT; - end = wbc->end >> PAGE_CACHE_SHIFT; - is_range = 1; + end = -1; + } else { + index = wbc->range_start >> PAGE_CACHE_SHIFT; + end = wbc->range_end >> PAGE_CACHE_SHIFT; + if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) + range_whole = 1; scanned = 1; } retry: @@ -1167,7 +1165,7 @@ retry: break; } - if (unlikely(is_range) && (page->index > end)) { + if (!wbc->range_cyclic && page->index > end) { done = 1; unlock_page(page); break; @@ -1271,7 +1269,7 @@ retry: index = 0; goto retry; } - if (!is_range) + if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) mapping->writeback_index = index; FreeXid(xid); @@ -1419,7 +1417,7 @@ int cifs_fsync(struct file *file, struct dentry *dentry, int datasync) * As file closes, flush all cached write data for this inode checking * for write behind errors. */ -int cifs_flush(struct file *file) +int cifs_flush(struct file *file, fl_owner_t id) { struct inode * inode = file->f_dentry->d_inode; int rc = 0; diff --git a/fs/coda/file.c b/fs/coda/file.c index 7c26424..cc66c68 100644 --- a/fs/coda/file.c +++ b/fs/coda/file.c @@ -164,7 +164,7 @@ int coda_open(struct inode *coda_inode, struct file *coda_file) return 0; } -int coda_flush(struct file *coda_file) +int coda_flush(struct file *coda_file, fl_owner_t id) { unsigned short flags = coda_file->f_flags & ~O_EXCL; unsigned short coda_flags = coda_flags_to_cflags(flags); diff --git a/fs/coda/inode.c b/fs/coda/inode.c index ada1a81..87f1dc8 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -36,7 +36,7 @@ /* VFS super_block ops */ static void coda_clear_inode(struct inode *); static void coda_put_super(struct super_block *); -static int coda_statfs(struct super_block *sb, struct kstatfs *buf); +static int coda_statfs(struct dentry *dentry, struct kstatfs *buf); static kmem_cache_t * coda_inode_cachep; @@ -278,13 +278,13 @@ struct inode_operations coda_file_inode_operations = { .setattr = coda_setattr, }; -static int coda_statfs(struct super_block *sb, struct kstatfs *buf) +static int coda_statfs(struct dentry *dentry, struct kstatfs *buf) { int error; lock_kernel(); - error = venus_statfs(sb, buf); + error = venus_statfs(dentry, buf); unlock_kernel(); @@ -307,10 +307,10 @@ static int coda_statfs(struct super_block *sb, struct kstatfs *buf) /* init_coda: used by filesystems.c to register coda */ -static struct super_block *coda_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int coda_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags, data, coda_fill_super); + return get_sb_nodev(fs_type, flags, data, coda_fill_super, mnt); } struct file_system_type coda_fs_type = { diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c index 1bae996..b040eba 100644 --- a/fs/coda/upcall.c +++ b/fs/coda/upcall.c @@ -611,7 +611,7 @@ int venus_pioctl(struct super_block *sb, struct CodaFid *fid, return error; } -int venus_statfs(struct super_block *sb, struct kstatfs *sfs) +int venus_statfs(struct dentry *dentry, struct kstatfs *sfs) { union inputArgs *inp; union outputArgs *outp; @@ -620,7 +620,7 @@ int venus_statfs(struct super_block *sb, struct kstatfs *sfs) insize = max_t(unsigned int, INSIZE(statfs), OUTSIZE(statfs)); UPARG(CODA_STATFS); - error = coda_upcall(coda_sbp(sb), insize, &outsize, inp); + error = coda_upcall(coda_sbp(dentry->d_sb), insize, &outsize, inp); if (!error) { sfs->f_blocks = outp->coda_statfs.stat.f_blocks; diff --git a/fs/compat.c b/fs/compat.c index b1f6478..7e7e5bc 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -197,7 +197,7 @@ asmlinkage long compat_sys_statfs(const char __user *path, struct compat_statfs error = user_path_walk(path, &nd); if (!error) { struct kstatfs tmp; - error = vfs_statfs(nd.dentry->d_inode->i_sb, &tmp); + error = vfs_statfs(nd.dentry, &tmp); if (!error) error = put_compat_statfs(buf, &tmp); path_release(&nd); @@ -215,7 +215,7 @@ asmlinkage long compat_sys_fstatfs(unsigned int fd, struct compat_statfs __user file = fget(fd); if (!file) goto out; - error = vfs_statfs(file->f_dentry->d_inode->i_sb, &tmp); + error = vfs_statfs(file->f_dentry, &tmp); if (!error) error = put_compat_statfs(buf, &tmp); fput(file); @@ -265,7 +265,7 @@ asmlinkage long compat_sys_statfs64(const char __user *path, compat_size_t sz, s error = user_path_walk(path, &nd); if (!error) { struct kstatfs tmp; - error = vfs_statfs(nd.dentry->d_inode->i_sb, &tmp); + error = vfs_statfs(nd.dentry, &tmp); if (!error) error = put_compat_statfs64(buf, &tmp); path_release(&nd); @@ -286,7 +286,7 @@ asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct c file = fget(fd); if (!file) goto out; - error = vfs_statfs(file->f_dentry->d_inode->i_sb, &tmp); + error = vfs_statfs(file->f_dentry, &tmp); if (!error) error = put_compat_statfs64(buf, &tmp); fput(file); diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c index be5d86a..3e5fe84 100644 --- a/fs/configfs/mount.c +++ b/fs/configfs/mount.c @@ -103,10 +103,10 @@ static int configfs_fill_super(struct super_block *sb, void *data, int silent) return 0; } -static struct super_block *configfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int configfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_single(fs_type, flags, data, configfs_fill_super); + return get_sb_single(fs_type, flags, data, configfs_fill_super, mnt); } static struct file_system_type configfs_fs_type = { diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index 9efcc3a..c45d738 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -181,9 +181,7 @@ static void *cramfs_read(struct super_block *sb, unsigned int offset, unsigned i struct page *page = NULL; if (blocknr + i < devsize) { - page = read_cache_page(mapping, blocknr + i, - (filler_t *)mapping->a_ops->readpage, - NULL); + page = read_mapping_page(mapping, blocknr + i, NULL); /* synchronous error? */ if (IS_ERR(page)) page = NULL; @@ -322,8 +320,10 @@ out: return -EINVAL; } -static int cramfs_statfs(struct super_block *sb, struct kstatfs *buf) +static int cramfs_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; + buf->f_type = CRAMFS_MAGIC; buf->f_bsize = PAGE_CACHE_SIZE; buf->f_blocks = CRAMFS_SB(sb)->blocks; @@ -528,10 +528,11 @@ static struct super_operations cramfs_ops = { .statfs = cramfs_statfs, }; -static struct super_block *cramfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int cramfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, cramfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, cramfs_fill_super, + mnt); } static struct file_system_type cramfs_fs_type = { diff --git a/fs/dcache.c b/fs/dcache.c index 940d188..313b54b2 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -359,12 +359,13 @@ restart: } /* - * Throw away a dentry - free the inode, dput the parent. - * This requires that the LRU list has already been - * removed. + * Throw away a dentry - free the inode, dput the parent. This requires that + * the LRU list has already been removed. + * * Called with dcache_lock, drops it and then regains. + * Called with dentry->d_lock held, drops it. */ -static inline void prune_one_dentry(struct dentry * dentry) +static void prune_one_dentry(struct dentry * dentry) { struct dentry * parent; @@ -382,6 +383,8 @@ static inline void prune_one_dentry(struct dentry * dentry) /** * prune_dcache - shrink the dcache * @count: number of entries to try and free + * @sb: if given, ignore dentries for other superblocks + * which are being unmounted. * * Shrink the dcache. This is done when we need * more memory, or simply when we need to unmount @@ -392,16 +395,29 @@ static inline void prune_one_dentry(struct dentry * dentry) * all the dentries are in use. */ -static void prune_dcache(int count) +static void prune_dcache(int count, struct super_block *sb) { spin_lock(&dcache_lock); for (; count ; count--) { struct dentry *dentry; struct list_head *tmp; + struct rw_semaphore *s_umount; cond_resched_lock(&dcache_lock); tmp = dentry_unused.prev; + if (unlikely(sb)) { + /* Try to find a dentry for this sb, but don't try + * too hard, if they aren't near the tail they will + * be moved down again soon + */ + int skip = count; + while (skip && tmp != &dentry_unused && + list_entry(tmp, struct dentry, d_lru)->d_sb != sb) { + skip--; + tmp = tmp->prev; + } + } if (tmp == &dentry_unused) break; list_del_init(tmp); @@ -427,7 +443,45 @@ static void prune_dcache(int count) spin_unlock(&dentry->d_lock); continue; } - prune_one_dentry(dentry); + /* + * If the dentry is not DCACHED_REFERENCED, it is time + * to remove it from the dcache, provided the super block is + * NULL (which means we are trying to reclaim memory) + * or this dentry belongs to the same super block that + * we want to shrink. + */ + /* + * If this dentry is for "my" filesystem, then I can prune it + * without taking the s_umount lock (I already hold it). + */ + if (sb && dentry->d_sb == sb) { + prune_one_dentry(dentry); + continue; + } + /* + * ...otherwise we need to be sure this filesystem isn't being + * unmounted, otherwise we could race with + * generic_shutdown_super(), and end up holding a reference to + * an inode while the filesystem is unmounted. + * So we try to get s_umount, and make sure s_root isn't NULL. + * (Take a local copy of s_umount to avoid a use-after-free of + * `dentry'). + */ + s_umount = &dentry->d_sb->s_umount; + if (down_read_trylock(s_umount)) { + if (dentry->d_sb->s_root != NULL) { + prune_one_dentry(dentry); + up_read(s_umount); + continue; + } + up_read(s_umount); + } + spin_unlock(&dentry->d_lock); + /* Cannot remove the first dentry, and it isn't appropriate + * to move it to the head of the list, so give up, and try + * later + */ + break; } spin_unlock(&dcache_lock); } @@ -630,46 +684,7 @@ void shrink_dcache_parent(struct dentry * parent) int found; while ((found = select_parent(parent)) != 0) - prune_dcache(found); -} - -/** - * shrink_dcache_anon - further prune the cache - * @head: head of d_hash list of dentries to prune - * - * Prune the dentries that are anonymous - * - * parsing d_hash list does not hlist_for_each_entry_rcu() as it - * done under dcache_lock. - * - */ -void shrink_dcache_anon(struct hlist_head *head) -{ - struct hlist_node *lp; - int found; - do { - found = 0; - spin_lock(&dcache_lock); - hlist_for_each(lp, head) { - struct dentry *this = hlist_entry(lp, struct dentry, d_hash); - if (!list_empty(&this->d_lru)) { - dentry_stat.nr_unused--; - list_del_init(&this->d_lru); - } - - /* - * move only zero ref count dentries to the end - * of the unused list for prune_dcache - */ - if (!atomic_read(&this->d_count)) { - list_add_tail(&this->d_lru, &dentry_unused); - dentry_stat.nr_unused++; - found++; - } - } - spin_unlock(&dcache_lock); - prune_dcache(found); - } while(found); + prune_dcache(found, parent->d_sb); } /* @@ -689,7 +704,7 @@ static int shrink_dcache_memory(int nr, gfp_t gfp_mask) if (nr) { if (!(gfp_mask & __GFP_FS)) return -1; - prune_dcache(nr); + prune_dcache(nr, NULL); } return (dentry_stat.nr_unused / 100) * sysctl_vfs_cache_pressure; } diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 90f9417..6fa1e04 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -111,11 +111,11 @@ static int debug_fill_super(struct super_block *sb, void *data, int silent) return simple_fill_super(sb, DEBUGFS_MAGIC, debug_files); } -static struct super_block *debug_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data) +static int debug_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt) { - return get_sb_single(fs_type, flags, data, debug_fill_super); + return get_sb_single(fs_type, flags, data, debug_fill_super, mnt); } static struct file_system_type debug_fs_type = { diff --git a/fs/devfs/base.c b/fs/devfs/base.c index 52f5059..51a97f1 100644 --- a/fs/devfs/base.c +++ b/fs/devfs/base.c @@ -2549,11 +2549,11 @@ static int devfs_fill_super(struct super_block *sb, void *data, int silent) return -EINVAL; } /* End Function devfs_fill_super */ -static struct super_block *devfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data) +static int devfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt) { - return get_sb_single(fs_type, flags, data, devfs_fill_super); + return get_sb_single(fs_type, flags, data, devfs_fill_super, mnt); } static struct file_system_type devfs_fs_type = { diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 14c5620..f7aef5b 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -130,10 +130,10 @@ fail: return -ENOMEM; } -static struct super_block *devpts_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int devpts_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_single(fs_type, flags, data, devpts_fill_super); + return get_sb_single(fs_type, flags, data, devpts_fill_super, mnt); } static struct file_system_type devpts_fs_type = { diff --git a/fs/direct-io.c b/fs/direct-io.c index b05d1b2..538fb04 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -162,7 +162,7 @@ static int dio_refill_pages(struct dio *dio) NULL); /* vmas */ up_read(¤t->mm->mmap_sem); - if (ret < 0 && dio->blocks_available && (dio->rw == WRITE)) { + if (ret < 0 && dio->blocks_available && (dio->rw & WRITE)) { struct page *page = ZERO_PAGE(dio->curr_user_address); /* * A memory fault, but the filesystem has some outstanding @@ -535,7 +535,7 @@ static int get_more_blocks(struct dio *dio) map_bh->b_state = 0; map_bh->b_size = fs_count << dio->inode->i_blkbits; - create = dio->rw == WRITE; + create = dio->rw & WRITE; if (dio->lock_type == DIO_LOCKING) { if (dio->block_in_file < (i_size_read(dio->inode) >> dio->blkbits)) @@ -867,7 +867,7 @@ do_holes: loff_t i_size_aligned; /* AKPM: eargh, -ENOTBLK is a hack */ - if (dio->rw == WRITE) { + if (dio->rw & WRITE) { page_cache_release(page); return -ENOTBLK; } @@ -1045,7 +1045,7 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode, } } /* end iovec loop */ - if (ret == -ENOTBLK && rw == WRITE) { + if (ret == -ENOTBLK && (rw & WRITE)) { /* * The remaining part of the request will be * be handled by buffered I/O when we return @@ -1089,7 +1089,7 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode, if (dio->is_async) { int should_wait = 0; - if (dio->result < dio->size && rw == WRITE) { + if (dio->result < dio->size && (rw & WRITE)) { dio->waiter = current; should_wait = 1; } @@ -1142,7 +1142,7 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode, ret = transferred; /* We could have also come here on an AIO file extend */ - if (!is_sync_kiocb(iocb) && rw == WRITE && + if (!is_sync_kiocb(iocb) && (rw & WRITE) && ret >= 0 && dio->result == dio->size) /* * For AIO writes where we have completed the @@ -1194,7 +1194,7 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, int acquire_i_mutex = 0; if (rw & WRITE) - current->flags |= PF_SYNCWRITE; + rw = WRITE_SYNC; if (bdev) bdev_blkbits = blksize_bits(bdev_hardsect_size(bdev)); @@ -1270,7 +1270,7 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, * even for AIO, we need to wait for i/o to complete before * returning in this case. */ - dio->is_async = !is_sync_kiocb(iocb) && !((rw == WRITE) && + dio->is_async = !is_sync_kiocb(iocb) && !((rw & WRITE) && (end > i_size_read(inode))); retval = direct_io_worker(rw, iocb, inode, iov, offset, @@ -1284,8 +1284,6 @@ out: mutex_unlock(&inode->i_mutex); else if (acquire_i_mutex) mutex_lock(&inode->i_mutex); - if (rw & WRITE) - current->flags &= ~PF_SYNCWRITE; return retval; } EXPORT_SYMBOL(__blockdev_direct_IO); diff --git a/fs/efs/super.c b/fs/efs/super.c index dff623e..8ac2462 100644 --- a/fs/efs/super.c +++ b/fs/efs/super.c @@ -15,13 +15,13 @@ #include <linux/buffer_head.h> #include <linux/vfs.h> -static int efs_statfs(struct super_block *s, struct kstatfs *buf); +static int efs_statfs(struct dentry *dentry, struct kstatfs *buf); static int efs_fill_super(struct super_block *s, void *d, int silent); -static struct super_block *efs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int efs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, efs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, efs_fill_super, mnt); } static struct file_system_type efs_fs_type = { @@ -322,8 +322,8 @@ out_no_fs: return -EINVAL; } -static int efs_statfs(struct super_block *s, struct kstatfs *buf) { - struct efs_sb_info *sb = SUPER_INFO(s); +static int efs_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct efs_sb_info *sb = SUPER_INFO(dentry->d_sb); buf->f_type = EFS_SUPER_MAGIC; /* efs magic number */ buf->f_bsize = EFS_BLOCKSIZE; /* blocksize */ diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 2695337..08e7e6a 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -268,9 +268,9 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events, int maxevents, long timeout); static int eventpollfs_delete_dentry(struct dentry *dentry); static struct inode *ep_eventpoll_inode(void); -static struct super_block *eventpollfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data); +static int eventpollfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt); /* * This semaphore is used to serialize ep_free() and eventpoll_release_file(). @@ -1595,11 +1595,12 @@ eexit_1: } -static struct super_block * +static int eventpollfs_get_sb(struct file_system_type *fs_type, int flags, - const char *dev_name, void *data) + const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_pseudo(fs_type, "eventpoll:", NULL, EVENTPOLLFS_MAGIC); + return get_sb_pseudo(fs_type, "eventpoll:", NULL, EVENTPOLLFS_MAGIC, + mnt); } @@ -866,7 +866,6 @@ int flush_old_exec(struct linux_binprm * bprm) bprm->mm = NULL; /* We're using it now */ /* This is the point of no return */ - steal_locks(files); put_files_struct(files); current->sas_ss_sp = current->sas_ss_size = 0; diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index d672aa9..3c1c9aa 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -159,8 +159,7 @@ fail: static struct page * ext2_get_page(struct inode *dir, unsigned long n) { struct address_space *mapping = dir->i_mapping; - struct page *page = read_cache_page(mapping, n, - (filler_t*)mapping->a_ops->readpage, NULL); + struct page *page = read_mapping_page(mapping, n, NULL); if (!IS_ERR(page)) { wait_on_page_locked(page); kmap(page); diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 7e30bae..ee4ba75 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -39,7 +39,7 @@ static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es); static int ext2_remount (struct super_block * sb, int * flags, char * data); -static int ext2_statfs (struct super_block * sb, struct kstatfs * buf); +static int ext2_statfs (struct dentry * dentry, struct kstatfs * buf); void ext2_error (struct super_block * sb, const char * function, const char * fmt, ...) @@ -834,9 +834,6 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) printk ("EXT2-fs: not enough memory\n"); goto failed_mount; } - percpu_counter_init(&sbi->s_freeblocks_counter); - percpu_counter_init(&sbi->s_freeinodes_counter); - percpu_counter_init(&sbi->s_dirs_counter); bgl_lock_init(&sbi->s_blockgroup_lock); sbi->s_debts = kmalloc(sbi->s_groups_count * sizeof(*sbi->s_debts), GFP_KERNEL); @@ -863,6 +860,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sbi->s_gdb_count = db_count; get_random_bytes(&sbi->s_next_generation, sizeof(u32)); spin_lock_init(&sbi->s_next_gen_lock); + + percpu_counter_init(&sbi->s_freeblocks_counter, + ext2_count_free_blocks(sb)); + percpu_counter_init(&sbi->s_freeinodes_counter, + ext2_count_free_inodes(sb)); + percpu_counter_init(&sbi->s_dirs_counter, + ext2_count_dirs(sb)); /* * set up enough so that it can read an inode */ @@ -874,24 +878,18 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) if (!sb->s_root) { iput(root); printk(KERN_ERR "EXT2-fs: get root inode failed\n"); - goto failed_mount2; + goto failed_mount3; } if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) { dput(sb->s_root); sb->s_root = NULL; printk(KERN_ERR "EXT2-fs: corrupt root inode, run e2fsck\n"); - goto failed_mount2; + goto failed_mount3; } if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) ext2_warning(sb, __FUNCTION__, "mounting ext3 filesystem as ext2"); ext2_setup_super (sb, es, sb->s_flags & MS_RDONLY); - percpu_counter_mod(&sbi->s_freeblocks_counter, - ext2_count_free_blocks(sb)); - percpu_counter_mod(&sbi->s_freeinodes_counter, - ext2_count_free_inodes(sb)); - percpu_counter_mod(&sbi->s_dirs_counter, - ext2_count_dirs(sb)); return 0; cantfind_ext2: @@ -899,7 +897,10 @@ cantfind_ext2: printk("VFS: Can't find an ext2 filesystem on dev %s.\n", sb->s_id); goto failed_mount; - +failed_mount3: + percpu_counter_destroy(&sbi->s_freeblocks_counter); + percpu_counter_destroy(&sbi->s_freeinodes_counter); + percpu_counter_destroy(&sbi->s_dirs_counter); failed_mount2: for (i = 0; i < db_count; i++) brelse(sbi->s_group_desc[i]); @@ -1038,8 +1039,9 @@ restore_opts: return err; } -static int ext2_statfs (struct super_block * sb, struct kstatfs * buf) +static int ext2_statfs (struct dentry * dentry, struct kstatfs * buf) { + struct super_block *sb = dentry->d_sb; struct ext2_sb_info *sbi = EXT2_SB(sb); unsigned long overhead; int i; @@ -1087,10 +1089,10 @@ static int ext2_statfs (struct super_block * sb, struct kstatfs * buf) return 0; } -static struct super_block *ext2_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int ext2_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, ext2_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, ext2_fill_super, mnt); } #ifdef CONFIG_QUOTA diff --git a/fs/ext3/super.c b/fs/ext3/super.c index f8a5266..a60cc6e 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -58,7 +58,7 @@ static int ext3_sync_fs(struct super_block *sb, int wait); static const char *ext3_decode_error(struct super_block * sb, int errno, char nbuf[16]); static int ext3_remount (struct super_block * sb, int * flags, char * data); -static int ext3_statfs (struct super_block * sb, struct kstatfs * buf); +static int ext3_statfs (struct dentry * dentry, struct kstatfs * buf); static void ext3_unlockfs(struct super_block *sb); static void ext3_write_super (struct super_block * sb); static void ext3_write_super_lockfs(struct super_block *sb); @@ -499,20 +499,21 @@ static void ext3_clear_inode(struct inode *inode) { struct ext3_block_alloc_info *rsv = EXT3_I(inode)->i_block_alloc_info; #ifdef CONFIG_EXT3_FS_POSIX_ACL - if (EXT3_I(inode)->i_acl && - EXT3_I(inode)->i_acl != EXT3_ACL_NOT_CACHED) { - posix_acl_release(EXT3_I(inode)->i_acl); - EXT3_I(inode)->i_acl = EXT3_ACL_NOT_CACHED; - } - if (EXT3_I(inode)->i_default_acl && - EXT3_I(inode)->i_default_acl != EXT3_ACL_NOT_CACHED) { - posix_acl_release(EXT3_I(inode)->i_default_acl); - EXT3_I(inode)->i_default_acl = EXT3_ACL_NOT_CACHED; - } + if (EXT3_I(inode)->i_acl && + EXT3_I(inode)->i_acl != EXT3_ACL_NOT_CACHED) { + posix_acl_release(EXT3_I(inode)->i_acl); + EXT3_I(inode)->i_acl = EXT3_ACL_NOT_CACHED; + } + if (EXT3_I(inode)->i_default_acl && + EXT3_I(inode)->i_default_acl != EXT3_ACL_NOT_CACHED) { + posix_acl_release(EXT3_I(inode)->i_default_acl); + EXT3_I(inode)->i_default_acl = EXT3_ACL_NOT_CACHED; + } #endif ext3_discard_reservation(inode); EXT3_I(inode)->i_block_alloc_info = NULL; - kfree(rsv); + if (unlikely(rsv)) + kfree(rsv); } static inline void ext3_show_quota_options(struct seq_file *seq, struct super_block *sb) @@ -1579,9 +1580,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) goto failed_mount; } - percpu_counter_init(&sbi->s_freeblocks_counter); - percpu_counter_init(&sbi->s_freeinodes_counter); - percpu_counter_init(&sbi->s_dirs_counter); bgl_lock_init(&sbi->s_blockgroup_lock); for (i = 0; i < db_count; i++) { @@ -1601,6 +1599,14 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) sbi->s_gdb_count = db_count; get_random_bytes(&sbi->s_next_generation, sizeof(u32)); spin_lock_init(&sbi->s_next_gen_lock); + + percpu_counter_init(&sbi->s_freeblocks_counter, + ext3_count_free_blocks(sb)); + percpu_counter_init(&sbi->s_freeinodes_counter, + ext3_count_free_inodes(sb)); + percpu_counter_init(&sbi->s_dirs_counter, + ext3_count_dirs(sb)); + /* per fileystem reservation list head & lock */ spin_lock_init(&sbi->s_rsv_window_lock); sbi->s_rsv_window_root = RB_ROOT; @@ -1639,16 +1645,16 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) if (!test_opt(sb, NOLOAD) && EXT3_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { if (ext3_load_journal(sb, es, journal_devnum)) - goto failed_mount2; + goto failed_mount3; } else if (journal_inum) { if (ext3_create_journal(sb, es, journal_inum)) - goto failed_mount2; + goto failed_mount3; } else { if (!silent) printk (KERN_ERR "ext3: No journal on filesystem on %s\n", sb->s_id); - goto failed_mount2; + goto failed_mount3; } /* We have now updated the journal if required, so we can @@ -1671,7 +1677,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) (sbi->s_journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE)) { printk(KERN_ERR "EXT3-fs: Journal does not support " "requested data journaling mode\n"); - goto failed_mount3; + goto failed_mount4; } default: break; @@ -1694,13 +1700,13 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) if (!sb->s_root) { printk(KERN_ERR "EXT3-fs: get root inode failed\n"); iput(root); - goto failed_mount3; + goto failed_mount4; } if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) { dput(sb->s_root); sb->s_root = NULL; printk(KERN_ERR "EXT3-fs: corrupt root inode, run e2fsck\n"); - goto failed_mount3; + goto failed_mount4; } ext3_setup_super (sb, es, sb->s_flags & MS_RDONLY); @@ -1723,13 +1729,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA ? "ordered": "writeback"); - percpu_counter_mod(&sbi->s_freeblocks_counter, - ext3_count_free_blocks(sb)); - percpu_counter_mod(&sbi->s_freeinodes_counter, - ext3_count_free_inodes(sb)); - percpu_counter_mod(&sbi->s_dirs_counter, - ext3_count_dirs(sb)); - lock_kernel(); return 0; @@ -1739,8 +1738,12 @@ cantfind_ext3: sb->s_id); goto failed_mount; -failed_mount3: +failed_mount4: journal_destroy(sbi->s_journal); +failed_mount3: + percpu_counter_destroy(&sbi->s_freeblocks_counter); + percpu_counter_destroy(&sbi->s_freeinodes_counter); + percpu_counter_destroy(&sbi->s_dirs_counter); failed_mount2: for (i = 0; i < db_count; i++) brelse(sbi->s_group_desc[i]); @@ -2318,8 +2321,9 @@ restore_opts: return err; } -static int ext3_statfs (struct super_block * sb, struct kstatfs * buf) +static int ext3_statfs (struct dentry * dentry, struct kstatfs * buf) { + struct super_block *sb = dentry->d_sb; struct ext3_sb_info *sbi = EXT3_SB(sb); struct ext3_super_block *es = sbi->s_es; unsigned long overhead; @@ -2646,10 +2650,10 @@ out: #endif -static struct super_block *ext3_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int ext3_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, ext3_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, ext3_fill_super, mnt); } static struct file_system_type ext3_fs_type = { diff --git a/fs/fat/inode.c b/fs/fat/inode.c index c1ce284..7c35d58 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -539,18 +539,18 @@ static int fat_remount(struct super_block *sb, int *flags, char *data) return 0; } -static int fat_statfs(struct super_block *sb, struct kstatfs *buf) +static int fat_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct msdos_sb_info *sbi = MSDOS_SB(sb); + struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb); /* If the count of free cluster is still unknown, counts it here. */ if (sbi->free_clusters == -1) { - int err = fat_count_free_clusters(sb); + int err = fat_count_free_clusters(dentry->d_sb); if (err) return err; } - buf->f_type = sb->s_magic; + buf->f_type = dentry->d_sb->s_magic; buf->f_bsize = sbi->cluster_size; buf->f_blocks = sbi->max_cluster - FAT_START_ENT; buf->f_bfree = sbi->free_clusters; diff --git a/fs/fat/misc.c b/fs/fat/misc.c index 944652e..308f2b6 100644 --- a/fs/fat/misc.c +++ b/fs/fat/misc.c @@ -210,4 +210,3 @@ int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs) return err; } -EXPORT_SYMBOL_GPL(fat_sync_bhs); diff --git a/fs/file_table.c b/fs/file_table.c index bcea199..506d530 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -300,5 +300,5 @@ void __init files_init(unsigned long mempages) if (files_stat.max_files < NR_FILE) files_stat.max_files = NR_FILE; files_defer_init(); - percpu_counter_init(&nr_files); + percpu_counter_init(&nr_files, 0); } diff --git a/fs/freevxfs/vxfs_subr.c b/fs/freevxfs/vxfs_subr.c index 50aae77..c1be118 100644 --- a/fs/freevxfs/vxfs_subr.c +++ b/fs/freevxfs/vxfs_subr.c @@ -71,8 +71,7 @@ vxfs_get_page(struct address_space *mapping, u_long n) { struct page * pp; - pp = read_cache_page(mapping, n, - (filler_t*)mapping->a_ops->readpage, NULL); + pp = read_mapping_page(mapping, n, NULL); if (!IS_ERR(pp)) { wait_on_page_locked(pp); diff --git a/fs/freevxfs/vxfs_super.c b/fs/freevxfs/vxfs_super.c index b44c916..b74b791 100644 --- a/fs/freevxfs/vxfs_super.c +++ b/fs/freevxfs/vxfs_super.c @@ -40,6 +40,7 @@ #include <linux/slab.h> #include <linux/stat.h> #include <linux/vfs.h> +#include <linux/mount.h> #include "vxfs.h" #include "vxfs_extern.h" @@ -55,7 +56,7 @@ MODULE_ALIAS("vxfs"); /* makes mount -t vxfs autoload the module */ static void vxfs_put_super(struct super_block *); -static int vxfs_statfs(struct super_block *, struct kstatfs *); +static int vxfs_statfs(struct dentry *, struct kstatfs *); static int vxfs_remount(struct super_block *, int *, char *); static struct super_operations vxfs_super_ops = { @@ -90,12 +91,12 @@ vxfs_put_super(struct super_block *sbp) /** * vxfs_statfs - get filesystem information - * @sbp: VFS superblock + * @dentry: VFS dentry to locate superblock * @bufp: output buffer * * Description: * vxfs_statfs fills the statfs buffer @bufp with information - * about the filesystem described by @sbp. + * about the filesystem described by @dentry. * * Returns: * Zero. @@ -107,12 +108,12 @@ vxfs_put_super(struct super_block *sbp) * This is everything but complete... */ static int -vxfs_statfs(struct super_block *sbp, struct kstatfs *bufp) +vxfs_statfs(struct dentry *dentry, struct kstatfs *bufp) { - struct vxfs_sb_info *infp = VXFS_SBI(sbp); + struct vxfs_sb_info *infp = VXFS_SBI(dentry->d_sb); bufp->f_type = VXFS_SUPER_MAGIC; - bufp->f_bsize = sbp->s_blocksize; + bufp->f_bsize = dentry->d_sb->s_blocksize; bufp->f_blocks = infp->vsi_raw->vs_dsize; bufp->f_bfree = infp->vsi_raw->vs_free; bufp->f_bavail = 0; @@ -241,10 +242,11 @@ out: /* * The usual module blurb. */ -static struct super_block *vxfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int vxfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, vxfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, vxfs_fill_super, + mnt); } static struct file_system_type vxfs_fs_type = { diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index f3fbe2d..031b27a 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -461,6 +461,8 @@ void sync_inodes_sb(struct super_block *sb, int wait) { struct writeback_control wbc = { .sync_mode = wait ? WB_SYNC_ALL : WB_SYNC_HOLD, + .range_start = 0, + .range_end = LLONG_MAX, }; unsigned long nr_dirty = read_page_state(nr_dirty); unsigned long nr_unstable = read_page_state(nr_unstable); @@ -559,6 +561,8 @@ int write_inode_now(struct inode *inode, int sync) struct writeback_control wbc = { .nr_to_write = LONG_MAX, .sync_mode = WB_SYNC_ALL, + .range_start = 0, + .range_end = LLONG_MAX, }; if (!mapping_cap_writeback_dirty(inode->i_mapping)) @@ -619,7 +623,6 @@ int generic_osync_inode(struct inode *inode, struct address_space *mapping, int int need_write_inode_now = 0; int err2; - current->flags |= PF_SYNCWRITE; if (what & OSYNC_DATA) err = filemap_fdatawrite(mapping); if (what & (OSYNC_METADATA|OSYNC_DATA)) { @@ -632,7 +635,6 @@ int generic_osync_inode(struct inode *inode, struct address_space *mapping, int if (!err) err = err2; } - current->flags &= ~PF_SYNCWRITE; spin_lock(&inode_lock); if ((inode->i_state & I_DIRTY) && diff --git a/fs/fuse/file.c b/fs/fuse/file.c index fc342cf..087f3b7 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -169,7 +169,7 @@ static int fuse_release(struct inode *inode, struct file *file) return fuse_release_common(inode, file, 0); } -static int fuse_flush(struct file *file) +static int fuse_flush(struct file *file, fl_owner_t id) { struct inode *inode = file->f_dentry->d_inode; struct fuse_conn *fc = get_fuse_conn(inode); diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 13ebe57..815c824 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -237,8 +237,9 @@ static void convert_fuse_statfs(struct kstatfs *stbuf, struct fuse_kstatfs *attr /* fsid is left zero */ } -static int fuse_statfs(struct super_block *sb, struct kstatfs *buf) +static int fuse_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; struct fuse_conn *fc = get_fuse_conn_super(sb); struct fuse_req *req; struct fuse_statfs_out outarg; @@ -570,11 +571,11 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) return err; } -static struct super_block *fuse_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *raw_data) +static int fuse_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *raw_data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags, raw_data, fuse_fill_super); + return get_sb_nodev(fs_type, flags, raw_data, fuse_fill_super, mnt); } static struct file_system_type fuse_fs_type = { diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index 1e44dcf..13231dd 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -280,7 +280,7 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid) block = off >> PAGE_CACHE_SHIFT; node->page_offset = off & ~PAGE_CACHE_MASK; for (i = 0; i < tree->pages_per_bnode; i++) { - page = read_cache_page(mapping, block++, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, block++, NULL); if (IS_ERR(page)) goto fail; if (PageError(page)) { diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index d20131c..4003579 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -59,7 +59,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke unlock_new_inode(tree->inode); mapping = tree->inode->i_mapping; - page = read_cache_page(mapping, 0, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, 0, NULL); if (IS_ERR(page)) goto free_tree; diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 1181d11..d9227bf 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -80,8 +80,10 @@ static void hfs_put_super(struct super_block *sb) * * changed f_files/f_ffree to reflect the fs_ablock/free_ablocks. */ -static int hfs_statfs(struct super_block *sb, struct kstatfs *buf) +static int hfs_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; + buf->f_type = HFS_SUPER_MAGIC; buf->f_bsize = sb->s_blocksize; buf->f_blocks = (u32)HFS_SB(sb)->fs_ablocks * HFS_SB(sb)->fs_div; @@ -413,10 +415,11 @@ bail: return res; } -static struct super_block *hfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int hfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, + struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, hfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, hfs_fill_super, mnt); } static struct file_system_type hfs_fs_type = { diff --git a/fs/hfsplus/bitmap.c b/fs/hfsplus/bitmap.c index 9fb5163..d128a25b 100644 --- a/fs/hfsplus/bitmap.c +++ b/fs/hfsplus/bitmap.c @@ -31,8 +31,7 @@ int hfsplus_block_allocate(struct super_block *sb, u32 size, u32 offset, u32 *ma dprint(DBG_BITMAP, "block_allocate: %u,%u,%u\n", size, offset, len); mutex_lock(&HFSPLUS_SB(sb).alloc_file->i_mutex); mapping = HFSPLUS_SB(sb).alloc_file->i_mapping; - page = read_cache_page(mapping, offset / PAGE_CACHE_BITS, - (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, offset / PAGE_CACHE_BITS, NULL); pptr = kmap(page); curr = pptr + (offset & (PAGE_CACHE_BITS - 1)) / 32; i = offset % 32; @@ -72,8 +71,8 @@ int hfsplus_block_allocate(struct super_block *sb, u32 size, u32 offset, u32 *ma offset += PAGE_CACHE_BITS; if (offset >= size) break; - page = read_cache_page(mapping, offset / PAGE_CACHE_BITS, - (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, offset / PAGE_CACHE_BITS, + NULL); curr = pptr = kmap(page); if ((size ^ offset) / PAGE_CACHE_BITS) end = pptr + PAGE_CACHE_BITS / 32; @@ -119,8 +118,8 @@ found: set_page_dirty(page); kunmap(page); offset += PAGE_CACHE_BITS; - page = read_cache_page(mapping, offset / PAGE_CACHE_BITS, - (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, offset / PAGE_CACHE_BITS, + NULL); pptr = kmap(page); curr = pptr; end = pptr + PAGE_CACHE_BITS / 32; @@ -167,7 +166,7 @@ int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count) mutex_lock(&HFSPLUS_SB(sb).alloc_file->i_mutex); mapping = HFSPLUS_SB(sb).alloc_file->i_mapping; pnr = offset / PAGE_CACHE_BITS; - page = read_cache_page(mapping, pnr, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, pnr, NULL); pptr = kmap(page); curr = pptr + (offset & (PAGE_CACHE_BITS - 1)) / 32; end = pptr + PAGE_CACHE_BITS / 32; @@ -199,7 +198,7 @@ int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count) break; set_page_dirty(page); kunmap(page); - page = read_cache_page(mapping, ++pnr, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, ++pnr, NULL); pptr = kmap(page); curr = pptr; end = pptr + PAGE_CACHE_BITS / 32; diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c index 746abc9..77bf434 100644 --- a/fs/hfsplus/bnode.c +++ b/fs/hfsplus/bnode.c @@ -440,7 +440,7 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid) block = off >> PAGE_CACHE_SHIFT; node->page_offset = off & ~PAGE_CACHE_MASK; for (i = 0; i < tree->pages_per_bnode; block++, i++) { - page = read_cache_page(mapping, block, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, block, NULL); if (IS_ERR(page)) goto fail; if (PageError(page)) { diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c index effa899..cfc852f 100644 --- a/fs/hfsplus/btree.c +++ b/fs/hfsplus/btree.c @@ -38,7 +38,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id) goto free_tree; mapping = tree->inode->i_mapping; - page = read_cache_page(mapping, 0, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, 0, NULL); if (IS_ERR(page)) goto free_tree; diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 7843f79..0a92fa2 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -212,8 +212,10 @@ static void hfsplus_put_super(struct super_block *sb) sb->s_fs_info = NULL; } -static int hfsplus_statfs(struct super_block *sb, struct kstatfs *buf) +static int hfsplus_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; + buf->f_type = HFSPLUS_SUPER_MAGIC; buf->f_bsize = sb->s_blocksize; buf->f_blocks = HFSPLUS_SB(sb).total_blocks << HFSPLUS_SB(sb).fs_shift; @@ -450,10 +452,12 @@ static void hfsplus_destroy_inode(struct inode *inode) #define HFSPLUS_INODE_SIZE sizeof(struct hfsplus_inode_info) -static struct super_block *hfsplus_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int hfsplus_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, + struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, hfsplus_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, hfsplus_fill_super, + mnt); } static struct file_system_type hfsplus_fs_type = { diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index bf0f8e1..8e0d377 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -239,7 +239,7 @@ static int read_inode(struct inode *ino) return(err); } -int hostfs_statfs(struct super_block *sb, struct kstatfs *sf) +int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) { /* do_statfs uses struct statfs64 internally, but the linux kernel * struct statfs still has 32-bit versions for most of these fields, @@ -252,7 +252,7 @@ int hostfs_statfs(struct super_block *sb, struct kstatfs *sf) long long f_files; long long f_ffree; - err = do_statfs(HOSTFS_I(sb->s_root->d_inode)->host_filename, + err = do_statfs(HOSTFS_I(dentry->d_sb->s_root->d_inode)->host_filename, &sf->f_bsize, &f_blocks, &f_bfree, &f_bavail, &f_files, &f_ffree, &sf->f_fsid, sizeof(sf->f_fsid), &sf->f_namelen, sf->f_spare); @@ -993,11 +993,11 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent) return(err); } -static struct super_block *hostfs_read_sb(struct file_system_type *type, - int flags, const char *dev_name, - void *data) +static int hostfs_read_sb(struct file_system_type *type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt) { - return(get_sb_nodev(type, flags, data, hostfs_fill_sb_common)); + return get_sb_nodev(type, flags, data, hostfs_fill_sb_common, mnt); } static struct file_system_type hostfs_type = { diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c index d72d8c8..f798480 100644 --- a/fs/hpfs/super.c +++ b/fs/hpfs/super.c @@ -135,8 +135,9 @@ static unsigned count_bitmaps(struct super_block *s) return count; } -static int hpfs_statfs(struct super_block *s, struct kstatfs *buf) +static int hpfs_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *s = dentry->d_sb; struct hpfs_sb_info *sbi = hpfs_sb(s); lock_kernel(); @@ -662,10 +663,11 @@ bail0: return -EINVAL; } -static struct super_block *hpfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int hpfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, hpfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, hpfs_fill_super, + mnt); } static struct file_system_type hpfs_fs_type = { diff --git a/fs/hppfs/hppfs_kern.c b/fs/hppfs/hppfs_kern.c index 5e6363b..3a9bdf58 100644 --- a/fs/hppfs/hppfs_kern.c +++ b/fs/hppfs/hppfs_kern.c @@ -616,7 +616,7 @@ static const struct file_operations hppfs_dir_fops = { .fsync = hppfs_fsync, }; -static int hppfs_statfs(struct super_block *sb, struct kstatfs *sf) +static int hppfs_statfs(struct dentry *dentry, struct kstatfs *sf) { sf->f_blocks = 0; sf->f_bfree = 0; @@ -769,11 +769,11 @@ static int hppfs_fill_super(struct super_block *sb, void *d, int silent) return(err); } -static struct super_block *hppfs_read_super(struct file_system_type *type, - int flags, const char *dev_name, - void *data) +static int hppfs_read_super(struct file_system_type *type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt) { - return(get_sb_nodev(type, flags, data, hppfs_fill_super)); + return get_sb_nodev(type, flags, data, hppfs_fill_super, mnt); } static struct file_system_type hppfs_type = { diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 3a5b4e9..e6410d8 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -59,7 +59,6 @@ static void huge_pagevec_release(struct pagevec *pvec) static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) { struct inode *inode = file->f_dentry->d_inode; - struct hugetlbfs_inode_info *info = HUGETLBFS_I(inode); loff_t len, vma_len; int ret; @@ -87,9 +86,10 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) if (!(vma->vm_flags & VM_WRITE) && len > inode->i_size) goto out; - if (vma->vm_flags & VM_MAYSHARE) - if (hugetlb_extend_reservation(info, len >> HPAGE_SHIFT) != 0) - goto out; + if (vma->vm_flags & VM_MAYSHARE && + hugetlb_reserve_pages(inode, vma->vm_pgoff >> (HPAGE_SHIFT-PAGE_SHIFT), + len >> HPAGE_SHIFT)) + goto out; ret = 0; hugetlb_prefault_arch_hook(vma->vm_mm); @@ -195,12 +195,8 @@ static void truncate_hugepages(struct inode *inode, loff_t lstart) const pgoff_t start = lstart >> HPAGE_SHIFT; struct pagevec pvec; pgoff_t next; - int i; + int i, freed = 0; - hugetlb_truncate_reservation(HUGETLBFS_I(inode), - lstart >> HPAGE_SHIFT); - if (!mapping->nrpages) - return; pagevec_init(&pvec, 0); next = start; while (1) { @@ -221,10 +217,12 @@ static void truncate_hugepages(struct inode *inode, loff_t lstart) truncate_huge_page(page); unlock_page(page); hugetlb_put_quota(mapping); + freed++; } huge_pagevec_release(&pvec); } BUG_ON(!lstart && mapping->nrpages); + hugetlb_unreserve_pages(inode, start, freed); } static void hugetlbfs_delete_inode(struct inode *inode) @@ -366,6 +364,7 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid, inode->i_mapping->a_ops = &hugetlbfs_aops; inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + INIT_LIST_HEAD(&inode->i_mapping->private_list); info = HUGETLBFS_I(inode); mpol_shared_policy_init(&info->policy, MPOL_DEFAULT, NULL); switch (mode & S_IFMT) { @@ -467,9 +466,9 @@ static int hugetlbfs_set_page_dirty(struct page *page) return 0; } -static int hugetlbfs_statfs(struct super_block *sb, struct kstatfs *buf) +static int hugetlbfs_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(sb); + struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(dentry->d_sb); buf->f_type = HUGETLBFS_MAGIC; buf->f_bsize = HPAGE_SIZE; @@ -538,7 +537,6 @@ static struct inode *hugetlbfs_alloc_inode(struct super_block *sb) hugetlbfs_inc_free_inodes(sbinfo); return NULL; } - p->prereserved_hpages = 0; return &p->vfs_inode; } @@ -723,10 +721,10 @@ void hugetlb_put_quota(struct address_space *mapping) } } -static struct super_block *hugetlbfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int hugetlbfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags, data, hugetlbfs_fill_super); + return get_sb_nodev(fs_type, flags, data, hugetlbfs_fill_super, mnt); } static struct file_system_type hugetlbfs_fs_type = { @@ -781,8 +779,7 @@ struct file *hugetlb_zero_setup(size_t size) goto out_file; error = -ENOMEM; - if (hugetlb_extend_reservation(HUGETLBFS_I(inode), - size >> HPAGE_SHIFT) != 0) + if (hugetlb_reserve_pages(inode, 0, size >> HPAGE_SHIFT)) goto out_inode; d_instantiate(dentry, inode); diff --git a/fs/inotify_user.c b/fs/inotify_user.c index 9e9931e..f238644 100644 --- a/fs/inotify_user.c +++ b/fs/inotify_user.c @@ -672,11 +672,11 @@ out: return ret; } -static struct super_block * +static int inotify_get_sb(struct file_system_type *fs_type, int flags, - const char *dev_name, void *data) + const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_pseudo(fs_type, "inotify", NULL, 0xBAD1DEA); + return get_sb_pseudo(fs_type, "inotify", NULL, 0xBAD1DEA, mnt); } static struct file_system_type inotify_fs_type = { diff --git a/fs/ioprio.c b/fs/ioprio.c index ca77008..7fa76ed 100644 --- a/fs/ioprio.c +++ b/fs/ioprio.c @@ -24,15 +24,21 @@ #include <linux/blkdev.h> #include <linux/capability.h> #include <linux/syscalls.h> +#include <linux/security.h> static int set_task_ioprio(struct task_struct *task, int ioprio) { + int err; struct io_context *ioc; if (task->uid != current->euid && task->uid != current->uid && !capable(CAP_SYS_NICE)) return -EPERM; + err = security_task_setioprio(task, ioprio); + if (err) + return err; + task_lock(task); task->ioprio = ioprio; diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 70adbb9..3f9c8ba 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -56,7 +56,7 @@ static void isofs_put_super(struct super_block *sb) } static void isofs_read_inode(struct inode *); -static int isofs_statfs (struct super_block *, struct kstatfs *); +static int isofs_statfs (struct dentry *, struct kstatfs *); static kmem_cache_t *isofs_inode_cachep; @@ -901,8 +901,10 @@ out_freesbi: return -EINVAL; } -static int isofs_statfs (struct super_block *sb, struct kstatfs *buf) +static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; + buf->f_type = ISOFS_SUPER_MAGIC; buf->f_bsize = sb->s_blocksize; buf->f_blocks = (ISOFS_SB(sb)->s_nzones @@ -1399,10 +1401,11 @@ struct inode *isofs_iget(struct super_block *sb, return inode; } -static struct super_block *isofs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int isofs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, isofs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, isofs_fill_super, + mnt); } static struct file_system_type iso9660_fs_type = { diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c index 3f5102b..47678a2 100644 --- a/fs/jbd/checkpoint.c +++ b/fs/jbd/checkpoint.c @@ -24,29 +24,67 @@ #include <linux/slab.h> /* - * Unlink a buffer from a transaction. + * Unlink a buffer from a transaction checkpoint list. * * Called with j_list_lock held. */ - -static inline void __buffer_unlink(struct journal_head *jh) +static inline void __buffer_unlink_first(struct journal_head *jh) { - transaction_t *transaction; - - transaction = jh->b_cp_transaction; - jh->b_cp_transaction = NULL; + transaction_t *transaction = jh->b_cp_transaction; jh->b_cpnext->b_cpprev = jh->b_cpprev; jh->b_cpprev->b_cpnext = jh->b_cpnext; - if (transaction->t_checkpoint_list == jh) + if (transaction->t_checkpoint_list == jh) { transaction->t_checkpoint_list = jh->b_cpnext; - if (transaction->t_checkpoint_list == jh) - transaction->t_checkpoint_list = NULL; + if (transaction->t_checkpoint_list == jh) + transaction->t_checkpoint_list = NULL; + } +} + +/* + * Unlink a buffer from a transaction checkpoint(io) list. + * + * Called with j_list_lock held. + */ +static inline void __buffer_unlink(struct journal_head *jh) +{ + transaction_t *transaction = jh->b_cp_transaction; + + __buffer_unlink_first(jh); + if (transaction->t_checkpoint_io_list == jh) { + transaction->t_checkpoint_io_list = jh->b_cpnext; + if (transaction->t_checkpoint_io_list == jh) + transaction->t_checkpoint_io_list = NULL; + } +} + +/* + * Move a buffer from the checkpoint list to the checkpoint io list + * + * Called with j_list_lock held + */ +static inline void __buffer_relink_io(struct journal_head *jh) +{ + transaction_t *transaction = jh->b_cp_transaction; + + __buffer_unlink_first(jh); + + if (!transaction->t_checkpoint_io_list) { + jh->b_cpnext = jh->b_cpprev = jh; + } else { + jh->b_cpnext = transaction->t_checkpoint_io_list; + jh->b_cpprev = transaction->t_checkpoint_io_list->b_cpprev; + jh->b_cpprev->b_cpnext = jh; + jh->b_cpnext->b_cpprev = jh; + } + transaction->t_checkpoint_io_list = jh; } /* * Try to release a checkpointed buffer from its transaction. - * Returns 1 if we released it. + * Returns 1 if we released it and 2 if we also released the + * whole transaction. + * * Requires j_list_lock * Called under jbd_lock_bh_state(jh2bh(jh)), and drops it */ @@ -57,12 +95,11 @@ static int __try_to_free_cp_buf(struct journal_head *jh) if (jh->b_jlist == BJ_None && !buffer_locked(bh) && !buffer_dirty(bh)) { JBUFFER_TRACE(jh, "remove from checkpoint list"); - __journal_remove_checkpoint(jh); + ret = __journal_remove_checkpoint(jh) + 1; jbd_unlock_bh_state(bh); journal_remove_journal_head(bh); BUFFER_TRACE(bh, "release"); __brelse(bh); - ret = 1; } else { jbd_unlock_bh_state(bh); } @@ -117,83 +154,54 @@ static void jbd_sync_bh(journal_t *journal, struct buffer_head *bh) } /* - * Clean up a transaction's checkpoint list. - * - * We wait for any pending IO to complete and make sure any clean - * buffers are removed from the transaction. - * - * Return 1 if we performed any actions which might have destroyed the - * checkpoint. (journal_remove_checkpoint() deletes the transaction when - * the last checkpoint buffer is cleansed) + * Clean up transaction's list of buffers submitted for io. + * We wait for any pending IO to complete and remove any clean + * buffers. Note that we take the buffers in the opposite ordering + * from the one in which they were submitted for IO. * * Called with j_list_lock held. */ -static int __cleanup_transaction(journal_t *journal, transaction_t *transaction) +static void __wait_cp_io(journal_t *journal, transaction_t *transaction) { - struct journal_head *jh, *next_jh, *last_jh; + struct journal_head *jh; struct buffer_head *bh; - int ret = 0; - - assert_spin_locked(&journal->j_list_lock); - jh = transaction->t_checkpoint_list; - if (!jh) - return 0; - - last_jh = jh->b_cpprev; - next_jh = jh; - do { - jh = next_jh; + tid_t this_tid; + int released = 0; + + this_tid = transaction->t_tid; +restart: + /* Did somebody clean up the transaction in the meanwhile? */ + if (journal->j_checkpoint_transactions != transaction || + transaction->t_tid != this_tid) + return; + while (!released && transaction->t_checkpoint_io_list) { + jh = transaction->t_checkpoint_io_list; bh = jh2bh(jh); + if (!jbd_trylock_bh_state(bh)) { + jbd_sync_bh(journal, bh); + spin_lock(&journal->j_list_lock); + goto restart; + } if (buffer_locked(bh)) { atomic_inc(&bh->b_count); spin_unlock(&journal->j_list_lock); + jbd_unlock_bh_state(bh); wait_on_buffer(bh); /* the journal_head may have gone by now */ BUFFER_TRACE(bh, "brelse"); __brelse(bh); - goto out_return_1; + spin_lock(&journal->j_list_lock); + goto restart; } - /* - * This is foul + * Now in whatever state the buffer currently is, we know that + * it has been written out and so we can drop it from the list */ - if (!jbd_trylock_bh_state(bh)) { - jbd_sync_bh(journal, bh); - goto out_return_1; - } - - if (jh->b_transaction != NULL) { - transaction_t *t = jh->b_transaction; - tid_t tid = t->t_tid; - - spin_unlock(&journal->j_list_lock); - jbd_unlock_bh_state(bh); - log_start_commit(journal, tid); - log_wait_commit(journal, tid); - goto out_return_1; - } - - /* - * AKPM: I think the buffer_jbddirty test is redundant - it - * shouldn't have NULL b_transaction? - */ - next_jh = jh->b_cpnext; - if (!buffer_dirty(bh) && !buffer_jbddirty(bh)) { - BUFFER_TRACE(bh, "remove from checkpoint"); - __journal_remove_checkpoint(jh); - jbd_unlock_bh_state(bh); - journal_remove_journal_head(bh); - __brelse(bh); - ret = 1; - } else { - jbd_unlock_bh_state(bh); - } - } while (jh != last_jh); - - return ret; -out_return_1: - spin_lock(&journal->j_list_lock); - return 1; + released = __journal_remove_checkpoint(jh); + jbd_unlock_bh_state(bh); + journal_remove_journal_head(bh); + __brelse(bh); + } } #define NR_BATCH 64 @@ -203,9 +211,7 @@ __flush_batch(journal_t *journal, struct buffer_head **bhs, int *batch_count) { int i; - spin_unlock(&journal->j_list_lock); ll_rw_block(SWRITE, *batch_count, bhs); - spin_lock(&journal->j_list_lock); for (i = 0; i < *batch_count; i++) { struct buffer_head *bh = bhs[i]; clear_buffer_jwrite(bh); @@ -221,19 +227,43 @@ __flush_batch(journal_t *journal, struct buffer_head **bhs, int *batch_count) * Return 1 if something happened which requires us to abort the current * scan of the checkpoint list. * - * Called with j_list_lock held. + * Called with j_list_lock held and drops it if 1 is returned * Called under jbd_lock_bh_state(jh2bh(jh)), and drops it */ -static int __flush_buffer(journal_t *journal, struct journal_head *jh, - struct buffer_head **bhs, int *batch_count, - int *drop_count) +static int __process_buffer(journal_t *journal, struct journal_head *jh, + struct buffer_head **bhs, int *batch_count) { struct buffer_head *bh = jh2bh(jh); int ret = 0; - if (buffer_dirty(bh) && !buffer_locked(bh) && jh->b_jlist == BJ_None) { - J_ASSERT_JH(jh, jh->b_transaction == NULL); + if (buffer_locked(bh)) { + atomic_inc(&bh->b_count); + spin_unlock(&journal->j_list_lock); + jbd_unlock_bh_state(bh); + wait_on_buffer(bh); + /* the journal_head may have gone by now */ + BUFFER_TRACE(bh, "brelse"); + __brelse(bh); + ret = 1; + } else if (jh->b_transaction != NULL) { + transaction_t *t = jh->b_transaction; + tid_t tid = t->t_tid; + spin_unlock(&journal->j_list_lock); + jbd_unlock_bh_state(bh); + log_start_commit(journal, tid); + log_wait_commit(journal, tid); + ret = 1; + } else if (!buffer_dirty(bh)) { + J_ASSERT_JH(jh, !buffer_jbddirty(bh)); + BUFFER_TRACE(bh, "remove from checkpoint"); + __journal_remove_checkpoint(jh); + spin_unlock(&journal->j_list_lock); + jbd_unlock_bh_state(bh); + journal_remove_journal_head(bh); + __brelse(bh); + ret = 1; + } else { /* * Important: we are about to write the buffer, and * possibly block, while still holding the journal lock. @@ -246,45 +276,30 @@ static int __flush_buffer(journal_t *journal, struct journal_head *jh, J_ASSERT_BH(bh, !buffer_jwrite(bh)); set_buffer_jwrite(bh); bhs[*batch_count] = bh; + __buffer_relink_io(jh); jbd_unlock_bh_state(bh); (*batch_count)++; if (*batch_count == NR_BATCH) { + spin_unlock(&journal->j_list_lock); __flush_batch(journal, bhs, batch_count); ret = 1; } - } else { - int last_buffer = 0; - if (jh->b_cpnext == jh) { - /* We may be about to drop the transaction. Tell the - * caller that the lists have changed. - */ - last_buffer = 1; - } - if (__try_to_free_cp_buf(jh)) { - (*drop_count)++; - ret = last_buffer; - } } return ret; } /* - * Perform an actual checkpoint. We don't write out only enough to - * satisfy the current blocked requests: rather we submit a reasonably - * sized chunk of the outstanding data to disk at once for - * efficiency. __log_wait_for_space() will retry if we didn't free enough. + * Perform an actual checkpoint. We take the first transaction on the + * list of transactions to be checkpointed and send all its buffers + * to disk. We submit larger chunks of data at once. * - * However, we _do_ take into account the amount requested so that once - * the IO has been queued, we can return as soon as enough of it has - * completed to disk. - * * The journal should be locked before calling this function. */ int log_do_checkpoint(journal_t *journal) { + transaction_t *transaction; + tid_t this_tid; int result; - int batch_count = 0; - struct buffer_head *bhs[NR_BATCH]; jbd_debug(1, "Start checkpoint\n"); @@ -299,79 +314,68 @@ int log_do_checkpoint(journal_t *journal) return result; /* - * OK, we need to start writing disk blocks. Try to free up a - * quarter of the log in a single checkpoint if we can. + * OK, we need to start writing disk blocks. Take one transaction + * and write it. */ + spin_lock(&journal->j_list_lock); + if (!journal->j_checkpoint_transactions) + goto out; + transaction = journal->j_checkpoint_transactions; + this_tid = transaction->t_tid; +restart: /* - * AKPM: check this code. I had a feeling a while back that it - * degenerates into a busy loop at unmount time. + * If someone cleaned up this transaction while we slept, we're + * done (maybe it's a new transaction, but it fell at the same + * address). */ - spin_lock(&journal->j_list_lock); - while (journal->j_checkpoint_transactions) { - transaction_t *transaction; - struct journal_head *jh, *last_jh, *next_jh; - int drop_count = 0; - int cleanup_ret, retry = 0; - tid_t this_tid; - - transaction = journal->j_checkpoint_transactions; - this_tid = transaction->t_tid; - jh = transaction->t_checkpoint_list; - last_jh = jh->b_cpprev; - next_jh = jh; - do { + if (journal->j_checkpoint_transactions == transaction && + transaction->t_tid == this_tid) { + int batch_count = 0; + struct buffer_head *bhs[NR_BATCH]; + struct journal_head *jh; + int retry = 0; + + while (!retry && transaction->t_checkpoint_list) { struct buffer_head *bh; - jh = next_jh; - next_jh = jh->b_cpnext; + jh = transaction->t_checkpoint_list; bh = jh2bh(jh); if (!jbd_trylock_bh_state(bh)) { jbd_sync_bh(journal, bh); - spin_lock(&journal->j_list_lock); retry = 1; break; } - retry = __flush_buffer(journal, jh, bhs, &batch_count, &drop_count); - if (cond_resched_lock(&journal->j_list_lock)) { + retry = __process_buffer(journal, jh, bhs,&batch_count); + if (!retry && lock_need_resched(&journal->j_list_lock)){ + spin_unlock(&journal->j_list_lock); retry = 1; break; } - } while (jh != last_jh && !retry); + } if (batch_count) { + if (!retry) { + spin_unlock(&journal->j_list_lock); + retry = 1; + } __flush_batch(journal, bhs, &batch_count); - retry = 1; } + if (retry) { + spin_lock(&journal->j_list_lock); + goto restart; + } /* - * If someone cleaned up this transaction while we slept, we're - * done - */ - if (journal->j_checkpoint_transactions != transaction) - break; - if (retry) - continue; - /* - * Maybe it's a new transaction, but it fell at the same - * address - */ - if (transaction->t_tid != this_tid) - continue; - /* - * We have walked the whole transaction list without - * finding anything to write to disk. We had better be - * able to make some progress or we are in trouble. + * Now we have cleaned up the first transaction's checkpoint + * list. Let's clean up the second one */ - cleanup_ret = __cleanup_transaction(journal, transaction); - J_ASSERT(drop_count != 0 || cleanup_ret != 0); - if (journal->j_checkpoint_transactions != transaction) - break; + __wait_cp_io(journal, transaction); } +out: spin_unlock(&journal->j_list_lock); result = cleanup_journal_tail(journal); if (result < 0) return result; - return 0; } @@ -456,52 +460,98 @@ int cleanup_journal_tail(journal_t *journal) /* Checkpoint list management */ /* + * journal_clean_one_cp_list + * + * Find all the written-back checkpoint buffers in the given list and release them. + * + * Called with the journal locked. + * Called with j_list_lock held. + * Returns number of bufers reaped (for debug) + */ + +static int journal_clean_one_cp_list(struct journal_head *jh, int *released) +{ + struct journal_head *last_jh; + struct journal_head *next_jh = jh; + int ret, freed = 0; + + *released = 0; + if (!jh) + return 0; + + last_jh = jh->b_cpprev; + do { + jh = next_jh; + next_jh = jh->b_cpnext; + /* Use trylock because of the ranking */ + if (jbd_trylock_bh_state(jh2bh(jh))) { + ret = __try_to_free_cp_buf(jh); + if (ret) { + freed++; + if (ret == 2) { + *released = 1; + return freed; + } + } + } + /* + * This function only frees up some memory + * if possible so we dont have an obligation + * to finish processing. Bail out if preemption + * requested: + */ + if (need_resched()) + return freed; + } while (jh != last_jh); + + return freed; +} + +/* * journal_clean_checkpoint_list * * Find all the written-back checkpoint buffers in the journal and release them. * * Called with the journal locked. * Called with j_list_lock held. - * Returns number of bufers reaped (for debug) + * Returns number of buffers reaped (for debug) */ int __journal_clean_checkpoint_list(journal_t *journal) { transaction_t *transaction, *last_transaction, *next_transaction; int ret = 0; + int released; transaction = journal->j_checkpoint_transactions; - if (transaction == 0) + if (!transaction) goto out; last_transaction = transaction->t_cpprev; next_transaction = transaction; do { - struct journal_head *jh; - transaction = next_transaction; next_transaction = transaction->t_cpnext; - jh = transaction->t_checkpoint_list; - if (jh) { - struct journal_head *last_jh = jh->b_cpprev; - struct journal_head *next_jh = jh; - - do { - jh = next_jh; - next_jh = jh->b_cpnext; - /* Use trylock because of the ranknig */ - if (jbd_trylock_bh_state(jh2bh(jh))) - ret += __try_to_free_cp_buf(jh); - /* - * This function only frees up some memory - * if possible so we dont have an obligation - * to finish processing. Bail out if preemption - * requested: - */ - if (need_resched()) - goto out; - } while (jh != last_jh); - } + ret += journal_clean_one_cp_list(transaction-> + t_checkpoint_list, &released); + /* + * This function only frees up some memory if possible so we + * dont have an obligation to finish processing. Bail out if + * preemption requested: + */ + if (need_resched()) + goto out; + if (released) + continue; + /* + * It is essential that we are as careful as in the case of + * t_checkpoint_list with removing the buffer from the list as + * we can possibly see not yet submitted buffers on io_list + */ + ret += journal_clean_one_cp_list(transaction-> + t_checkpoint_io_list, &released); + if (need_resched()) + goto out; } while (transaction != last_transaction); out: return ret; @@ -516,18 +566,22 @@ out: * buffer updates committed in that transaction have safely been stored * elsewhere on disk. To achieve this, all of the buffers in a * transaction need to be maintained on the transaction's checkpoint - * list until they have been rewritten, at which point this function is + * lists until they have been rewritten, at which point this function is * called to remove the buffer from the existing transaction's - * checkpoint list. + * checkpoint lists. + * + * The function returns 1 if it frees the transaction, 0 otherwise. * * This function is called with the journal locked. * This function is called with j_list_lock held. + * This function is called with jbd_lock_bh_state(jh2bh(jh)) */ -void __journal_remove_checkpoint(struct journal_head *jh) +int __journal_remove_checkpoint(struct journal_head *jh) { transaction_t *transaction; journal_t *journal; + int ret = 0; JBUFFER_TRACE(jh, "entry"); @@ -538,8 +592,10 @@ void __journal_remove_checkpoint(struct journal_head *jh) journal = transaction->t_journal; __buffer_unlink(jh); + jh->b_cp_transaction = NULL; - if (transaction->t_checkpoint_list != NULL) + if (transaction->t_checkpoint_list != NULL || + transaction->t_checkpoint_io_list != NULL) goto out; JBUFFER_TRACE(jh, "transaction has no more buffers"); @@ -565,8 +621,10 @@ void __journal_remove_checkpoint(struct journal_head *jh) /* Just in case anybody was waiting for more transactions to be checkpointed... */ wake_up(&journal->j_wait_logspace); + ret = 1; out: JBUFFER_TRACE(jh, "exit"); + return ret; } /* @@ -628,6 +686,7 @@ void __journal_drop_transaction(journal_t *journal, transaction_t *transaction) J_ASSERT(transaction->t_shadow_list == NULL); J_ASSERT(transaction->t_log_list == NULL); J_ASSERT(transaction->t_checkpoint_list == NULL); + J_ASSERT(transaction->t_checkpoint_io_list == NULL); J_ASSERT(transaction->t_updates == 0); J_ASSERT(journal->j_committing_transaction != transaction); J_ASSERT(journal->j_running_transaction != transaction); diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c index 002ad2b..0971814 100644 --- a/fs/jbd/commit.c +++ b/fs/jbd/commit.c @@ -790,11 +790,22 @@ restart_loop: jbd_unlock_bh_state(bh); } else { J_ASSERT_BH(bh, !buffer_dirty(bh)); - J_ASSERT_JH(jh, jh->b_next_transaction == NULL); - __journal_unfile_buffer(jh); - jbd_unlock_bh_state(bh); - journal_remove_journal_head(bh); /* needs a brelse */ - release_buffer_page(bh); + /* The buffer on BJ_Forget list and not jbddirty means + * it has been freed by this transaction and hence it + * could not have been reallocated until this + * transaction has committed. *BUT* it could be + * reallocated once we have written all the data to + * disk and before we process the buffer on BJ_Forget + * list. */ + JBUFFER_TRACE(jh, "refile or unfile freed buffer"); + __journal_refile_buffer(jh); + if (!jh->b_transaction) { + jbd_unlock_bh_state(bh); + /* needs a brelse */ + journal_remove_journal_head(bh); + release_buffer_page(bh); + } else + jbd_unlock_bh_state(bh); } cond_resched_lock(&journal->j_list_lock); } diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index c609f50..508b2ea 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -227,7 +227,8 @@ repeat_locked: spin_unlock(&transaction->t_handle_lock); spin_unlock(&journal->j_state_lock); out: - kfree(new_transaction); + if (unlikely(new_transaction)) /* It's usually NULL */ + kfree(new_transaction); return ret; } @@ -724,7 +725,8 @@ done: journal_cancel_revoke(handle, jh); out: - kfree(frozen_buffer); + if (unlikely(frozen_buffer)) /* It's usually NULL */ + kfree(frozen_buffer); JBUFFER_TRACE(jh, "exit"); return error; @@ -903,7 +905,8 @@ repeat: jbd_unlock_bh_state(bh); out: journal_put_journal_head(jh); - kfree(committed_data); + if (unlikely(committed_data)) + kfree(committed_data); return err; } @@ -2038,7 +2041,8 @@ void __journal_refile_buffer(struct journal_head *jh) __journal_temp_unlink_buffer(jh); jh->b_transaction = jh->b_next_transaction; jh->b_next_transaction = NULL; - __journal_file_buffer(jh, jh->b_transaction, BJ_Metadata); + __journal_file_buffer(jh, jh->b_transaction, + was_dirty ? BJ_Metadata : BJ_Reserved); J_ASSERT_JH(jh, jh->b_transaction->t_state == T_RUNNING); if (was_dirty) diff --git a/fs/jffs/inode-v23.c b/fs/jffs/inode-v23.c index 020cc09..9e46ea6 100644 --- a/fs/jffs/inode-v23.c +++ b/fs/jffs/inode-v23.c @@ -377,9 +377,9 @@ jffs_new_inode(const struct inode * dir, struct jffs_raw_inode *raw_inode, /* Get statistics of the file system. */ static int -jffs_statfs(struct super_block *sb, struct kstatfs *buf) +jffs_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct jffs_control *c = (struct jffs_control *) sb->s_fs_info; + struct jffs_control *c = (struct jffs_control *) dentry->d_sb->s_fs_info; struct jffs_fmcontrol *fmc; lock_kernel(); @@ -1785,10 +1785,11 @@ static struct super_operations jffs_ops = .remount_fs = jffs_remount, }; -static struct super_block *jffs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int jffs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, jffs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, jffs_fill_super, + mnt); } static struct file_system_type jffs_fs_type = { diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index 7b6c24b..2900ec3 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -192,9 +192,9 @@ int jffs2_setattr(struct dentry *dentry, struct iattr *iattr) return rc; } -int jffs2_statfs(struct super_block *sb, struct kstatfs *buf) +int jffs2_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct jffs2_sb_info *c = JFFS2_SB_INFO(sb); + struct jffs2_sb_info *c = JFFS2_SB_INFO(dentry->d_sb); unsigned long avail; buf->f_type = JFFS2_SUPER_MAGIC; diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index cd4021b..6b52235 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -175,7 +175,7 @@ void jffs2_clear_inode (struct inode *); void jffs2_dirty_inode(struct inode *inode); struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_inode *ri); -int jffs2_statfs (struct super_block *, struct kstatfs *); +int jffs2_statfs (struct dentry *, struct kstatfs *); void jffs2_write_super (struct super_block *); int jffs2_remount_fs (struct super_block *, int *, char *); int jffs2_do_fill_super(struct super_block *sb, void *data, int silent); diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index 9d05214..2378a66 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -111,9 +111,10 @@ static int jffs2_sb_set(struct super_block *sb, void *data) return 0; } -static struct super_block *jffs2_get_sb_mtd(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data, struct mtd_info *mtd) +static int jffs2_get_sb_mtd(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, struct mtd_info *mtd, + struct vfsmount *mnt) { struct super_block *sb; struct jffs2_sb_info *c; @@ -121,19 +122,20 @@ static struct super_block *jffs2_get_sb_mtd(struct file_system_type *fs_type, c = kmalloc(sizeof(*c), GFP_KERNEL); if (!c) - return ERR_PTR(-ENOMEM); + return -ENOMEM; memset(c, 0, sizeof(*c)); c->mtd = mtd; sb = sget(fs_type, jffs2_sb_compare, jffs2_sb_set, c); if (IS_ERR(sb)) - goto out_put; + goto out_error; if (sb->s_root) { /* New mountpoint for JFFS2 which is already mounted */ D1(printk(KERN_DEBUG "jffs2_get_sb_mtd(): Device %d (\"%s\") is already mounted\n", mtd->index, mtd->name)); + ret = simple_set_mnt(mnt, sb); goto out_put; } @@ -161,44 +163,47 @@ static struct super_block *jffs2_get_sb_mtd(struct file_system_type *fs_type, /* Failure case... */ up_write(&sb->s_umount); deactivate_super(sb); - return ERR_PTR(ret); + return ret; } sb->s_flags |= MS_ACTIVE; - return sb; + return simple_set_mnt(mnt, sb); +out_error: + ret = PTR_ERR(sb); out_put: kfree(c); put_mtd_device(mtd); - return sb; + return ret; } -static struct super_block *jffs2_get_sb_mtdnr(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data, int mtdnr) +static int jffs2_get_sb_mtdnr(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, int mtdnr, + struct vfsmount *mnt) { struct mtd_info *mtd; mtd = get_mtd_device(NULL, mtdnr); if (!mtd) { D1(printk(KERN_DEBUG "jffs2: MTD device #%u doesn't appear to exist\n", mtdnr)); - return ERR_PTR(-EINVAL); + return -EINVAL; } - return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd); + return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd, mnt); } -static struct super_block *jffs2_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data) +static int jffs2_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt) { int err; struct nameidata nd; int mtdnr; if (!dev_name) - return ERR_PTR(-EINVAL); + return -EINVAL; D1(printk(KERN_DEBUG "jffs2_get_sb(): dev_name \"%s\"\n", dev_name)); @@ -220,7 +225,7 @@ static struct super_block *jffs2_get_sb(struct file_system_type *fs_type, mtd = get_mtd_device(NULL, mtdnr); if (mtd) { if (!strcmp(mtd->name, dev_name+4)) - return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd); + return jffs2_get_sb_mtd(fs_type, flags, dev_name, data, mtd, mnt); put_mtd_device(mtd); } } @@ -233,7 +238,7 @@ static struct super_block *jffs2_get_sb(struct file_system_type *fs_type, if (!*endptr) { /* It was a valid number */ D1(printk(KERN_DEBUG "jffs2_get_sb(): mtd%%d, mtdnr %d\n", mtdnr)); - return jffs2_get_sb_mtdnr(fs_type, flags, dev_name, data, mtdnr); + return jffs2_get_sb_mtdnr(fs_type, flags, dev_name, data, mtdnr, mnt); } } } @@ -247,7 +252,7 @@ static struct super_block *jffs2_get_sb(struct file_system_type *fs_type, err, nd.dentry->d_inode)); if (err) - return ERR_PTR(err); + return err; err = -EINVAL; @@ -269,11 +274,11 @@ static struct super_block *jffs2_get_sb(struct file_system_type *fs_type, mtdnr = iminor(nd.dentry->d_inode); path_release(&nd); - return jffs2_get_sb_mtdnr(fs_type, flags, dev_name, data, mtdnr); + return jffs2_get_sb_mtdnr(fs_type, flags, dev_name, data, mtdnr, mnt); out: path_release(&nd); - return ERR_PTR(err); + return err; } static void jffs2_put_super (struct super_block *sb) diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index 2b220dd..7f6e880 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -632,10 +632,9 @@ struct metapage *__get_metapage(struct inode *inode, unsigned long lblock, } SetPageUptodate(page); } else { - page = read_cache_page(mapping, page_index, - (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, page_index, NULL); if (IS_ERR(page) || !PageUptodate(page)) { - jfs_err("read_cache_page failed!"); + jfs_err("read_mapping_page failed!"); return NULL; } lock_page(page); diff --git a/fs/jfs/super.c b/fs/jfs/super.c index db6f41d..73d2aba 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -139,9 +139,9 @@ static void jfs_destroy_inode(struct inode *inode) kmem_cache_free(jfs_inode_cachep, ji); } -static int jfs_statfs(struct super_block *sb, struct kstatfs *buf) +static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct jfs_sb_info *sbi = JFS_SBI(sb); + struct jfs_sb_info *sbi = JFS_SBI(dentry->d_sb); s64 maxinodes; struct inomap *imap = JFS_IP(sbi->ipimap)->i_imap; @@ -565,10 +565,11 @@ static void jfs_unlockfs(struct super_block *sb) } } -static struct super_block *jfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int jfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, jfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, jfs_fill_super, + mnt); } static int jfs_sync_fs(struct super_block *sb, int wait) @@ -20,9 +20,9 @@ int simple_getattr(struct vfsmount *mnt, struct dentry *dentry, return 0; } -int simple_statfs(struct super_block *sb, struct kstatfs *buf) +int simple_statfs(struct dentry *dentry, struct kstatfs *buf) { - buf->f_type = sb->s_magic; + buf->f_type = dentry->d_sb->s_magic; buf->f_bsize = PAGE_CACHE_SIZE; buf->f_namelen = NAME_MAX; return 0; @@ -196,9 +196,9 @@ struct inode_operations simple_dir_inode_operations = { * Common helper for pseudo-filesystems (sockfs, pipefs, bdev - stuff that * will never be mountable) */ -struct super_block * -get_sb_pseudo(struct file_system_type *fs_type, char *name, - struct super_operations *ops, unsigned long magic) +int get_sb_pseudo(struct file_system_type *fs_type, char *name, + struct super_operations *ops, unsigned long magic, + struct vfsmount *mnt) { struct super_block *s = sget(fs_type, NULL, set_anon_super, NULL); static struct super_operations default_ops = {.statfs = simple_statfs}; @@ -207,7 +207,7 @@ get_sb_pseudo(struct file_system_type *fs_type, char *name, struct qstr d_name = {.name = name, .len = strlen(name)}; if (IS_ERR(s)) - return s; + return PTR_ERR(s); s->s_flags = MS_NOUSER; s->s_maxbytes = ~0ULL; @@ -232,12 +232,12 @@ get_sb_pseudo(struct file_system_type *fs_type, char *name, d_instantiate(dentry, root); s->s_root = dentry; s->s_flags |= MS_ACTIVE; - return s; + return simple_set_mnt(mnt, s); Enomem: up_write(&s->s_umount); deactivate_super(s); - return ERR_PTR(-ENOMEM); + return -ENOMEM; } int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) @@ -703,7 +703,7 @@ EXPORT_SYMBOL(posix_test_lock); * from a broken NFS client. But broken NFS clients have a lot more to * worry about than proper deadlock detection anyway... --okir */ -int posix_locks_deadlock(struct file_lock *caller_fl, +static int posix_locks_deadlock(struct file_lock *caller_fl, struct file_lock *block_fl) { struct list_head *tmp; @@ -722,8 +722,6 @@ next_task: return 0; } -EXPORT_SYMBOL(posix_locks_deadlock); - /* Try to create a FLOCK lock on filp. We always insert new FLOCK locks * at the head of the list, but that's secret knowledge known only to * flock_lock_file and posix_lock_file. @@ -794,7 +792,8 @@ out: static int __posix_lock_file_conf(struct inode *inode, struct file_lock *request, struct file_lock *conflock) { struct file_lock *fl; - struct file_lock *new_fl, *new_fl2; + struct file_lock *new_fl = NULL; + struct file_lock *new_fl2 = NULL; struct file_lock *left = NULL; struct file_lock *right = NULL; struct file_lock **before; @@ -803,9 +802,15 @@ static int __posix_lock_file_conf(struct inode *inode, struct file_lock *request /* * We may need two file_lock structures for this operation, * so we get them in advance to avoid races. + * + * In some cases we can be sure, that no new locks will be needed */ - new_fl = locks_alloc_lock(); - new_fl2 = locks_alloc_lock(); + if (!(request->fl_flags & FL_ACCESS) && + (request->fl_type != F_UNLCK || + request->fl_start != 0 || request->fl_end != OFFSET_MAX)) { + new_fl = locks_alloc_lock(); + new_fl2 = locks_alloc_lock(); + } lock_kernel(); if (request->fl_type != F_UNLCK) { @@ -834,14 +839,7 @@ static int __posix_lock_file_conf(struct inode *inode, struct file_lock *request if (request->fl_flags & FL_ACCESS) goto out; - error = -ENOLCK; /* "no luck" */ - if (!(new_fl && new_fl2)) - goto out; - /* - * We've allocated the new locks in advance, so there are no - * errors possible (and no blocking operations) from here on. - * * Find the first old lock with the same owner as the new lock. */ @@ -938,10 +936,25 @@ static int __posix_lock_file_conf(struct inode *inode, struct file_lock *request before = &fl->fl_next; } + /* + * The above code only modifies existing locks in case of + * merging or replacing. If new lock(s) need to be inserted + * all modifications are done bellow this, so it's safe yet to + * bail out. + */ + error = -ENOLCK; /* "no luck" */ + if (right && left == right && !new_fl2) + goto out; + error = 0; if (!added) { if (request->fl_type == F_UNLCK) goto out; + + if (!new_fl) { + error = -ENOLCK; + goto out; + } locks_copy_lock(new_fl, request); locks_insert_lock(before, new_fl); new_fl = NULL; @@ -1881,19 +1894,18 @@ out: */ void locks_remove_posix(struct file *filp, fl_owner_t owner) { - struct file_lock lock, **before; + struct file_lock lock; /* * If there are no locks held on this file, we don't need to call * posix_lock_file(). Another process could be setting a lock on this * file at the same time, but we wouldn't remove that lock anyway. */ - before = &filp->f_dentry->d_inode->i_flock; - if (*before == NULL) + if (!filp->f_dentry->d_inode->i_flock) return; lock.fl_type = F_UNLCK; - lock.fl_flags = FL_POSIX; + lock.fl_flags = FL_POSIX | FL_CLOSE; lock.fl_start = 0; lock.fl_end = OFFSET_MAX; lock.fl_owner = owner; @@ -1902,25 +1914,11 @@ void locks_remove_posix(struct file *filp, fl_owner_t owner) lock.fl_ops = NULL; lock.fl_lmops = NULL; - if (filp->f_op && filp->f_op->lock != NULL) { + if (filp->f_op && filp->f_op->lock != NULL) filp->f_op->lock(filp, F_SETLK, &lock); - goto out; - } + else + posix_lock_file(filp, &lock); - /* Can't use posix_lock_file here; we need to remove it no matter - * which pid we have. - */ - lock_kernel(); - while (*before != NULL) { - struct file_lock *fl = *before; - if (IS_POSIX(fl) && posix_same_owner(fl, &lock)) { - locks_delete_lock(before); - continue; - } - before = &fl->fl_next; - } - unlock_kernel(); -out: if (lock.fl_ops && lock.fl_ops->fl_release_private) lock.fl_ops->fl_release_private(&lock); } @@ -2206,63 +2204,6 @@ int lock_may_write(struct inode *inode, loff_t start, unsigned long len) EXPORT_SYMBOL(lock_may_write); -static inline void __steal_locks(struct file *file, fl_owner_t from) -{ - struct inode *inode = file->f_dentry->d_inode; - struct file_lock *fl = inode->i_flock; - - while (fl) { - if (fl->fl_file == file && fl->fl_owner == from) - fl->fl_owner = current->files; - fl = fl->fl_next; - } -} - -/* When getting ready for executing a binary, we make sure that current - * has a files_struct on its own. Before dropping the old files_struct, - * we take over ownership of all locks for all file descriptors we own. - * Note that we may accidentally steal a lock for a file that a sibling - * has created since the unshare_files() call. - */ -void steal_locks(fl_owner_t from) -{ - struct files_struct *files = current->files; - int i, j; - struct fdtable *fdt; - - if (from == files) - return; - - lock_kernel(); - j = 0; - - /* - * We are not taking a ref to the file structures, so - * we need to acquire ->file_lock. - */ - spin_lock(&files->file_lock); - fdt = files_fdtable(files); - for (;;) { - unsigned long set; - i = j * __NFDBITS; - if (i >= fdt->max_fdset || i >= fdt->max_fds) - break; - set = fdt->open_fds->fds_bits[j++]; - while (set) { - if (set & 1) { - struct file *file = fdt->fd[i]; - if (file) - __steal_locks(file, from); - } - i++; - set >>= 1; - } - } - spin_unlock(&files->file_lock); - unlock_kernel(); -} -EXPORT_SYMBOL(steal_locks); - static int __init filelock_init(void) { filelock_cache = kmem_cache_create("file_lock_cache", diff --git a/fs/minix/dir.c b/fs/minix/dir.c index 69224d1..2b0a389 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -60,8 +60,7 @@ static int dir_commit_chunk(struct page *page, unsigned from, unsigned to) static struct page * dir_get_page(struct inode *dir, unsigned long n) { struct address_space *mapping = dir->i_mapping; - struct page *page = read_cache_page(mapping, n, - (filler_t*)mapping->a_ops->readpage, NULL); + struct page *page = read_mapping_page(mapping, n, NULL); if (!IS_ERR(page)) { wait_on_page_locked(page); kmap(page); diff --git a/fs/minix/inode.c b/fs/minix/inode.c index 2dcccf1..a6fb509 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -19,7 +19,7 @@ static void minix_read_inode(struct inode * inode); static int minix_write_inode(struct inode * inode, int wait); -static int minix_statfs(struct super_block *sb, struct kstatfs *buf); +static int minix_statfs(struct dentry *dentry, struct kstatfs *buf); static int minix_remount (struct super_block * sb, int * flags, char * data); static void minix_delete_inode(struct inode *inode) @@ -296,11 +296,11 @@ out_bad_sb: return -EINVAL; } -static int minix_statfs(struct super_block *sb, struct kstatfs *buf) +static int minix_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct minix_sb_info *sbi = minix_sb(sb); - buf->f_type = sb->s_magic; - buf->f_bsize = sb->s_blocksize; + struct minix_sb_info *sbi = minix_sb(dentry->d_sb); + buf->f_type = dentry->d_sb->s_magic; + buf->f_bsize = dentry->d_sb->s_blocksize; buf->f_blocks = (sbi->s_nzones - sbi->s_firstdatazone) << sbi->s_log_zone_size; buf->f_bfree = minix_count_free_blocks(sbi); buf->f_bavail = buf->f_bfree; @@ -559,10 +559,11 @@ void minix_truncate(struct inode * inode) V2_minix_truncate(inode); } -static struct super_block *minix_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int minix_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, minix_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, minix_fill_super, + mnt); } static struct file_system_type minix_fs_type = { @@ -707,9 +707,9 @@ mpage_writepages(struct address_space *mapping, struct pagevec pvec; int nr_pages; pgoff_t index; - pgoff_t end = -1; /* Inclusive */ + pgoff_t end; /* Inclusive */ int scanned = 0; - int is_range = 0; + int range_whole = 0; if (wbc->nonblocking && bdi_write_congested(bdi)) { wbc->encountered_congestion = 1; @@ -721,16 +721,14 @@ mpage_writepages(struct address_space *mapping, writepage = mapping->a_ops->writepage; pagevec_init(&pvec, 0); - if (wbc->sync_mode == WB_SYNC_NONE) { + if (wbc->range_cyclic) { index = mapping->writeback_index; /* Start from prev offset */ + end = -1; } else { - index = 0; /* whole-file sweep */ - scanned = 1; - } - if (wbc->start || wbc->end) { - index = wbc->start >> PAGE_CACHE_SHIFT; - end = wbc->end >> PAGE_CACHE_SHIFT; - is_range = 1; + index = wbc->range_start >> PAGE_CACHE_SHIFT; + end = wbc->range_end >> PAGE_CACHE_SHIFT; + if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) + range_whole = 1; scanned = 1; } retry: @@ -759,7 +757,7 @@ retry: continue; } - if (unlikely(is_range) && page->index > end) { + if (!wbc->range_cyclic && page->index > end) { done = 1; unlock_page(page); continue; @@ -810,7 +808,7 @@ retry: index = 0; goto retry; } - if (!is_range) + if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) mapping->writeback_index = index; if (bio) mpage_bio_submit(WRITE, bio); diff --git a/fs/msdos/namei.c b/fs/msdos/namei.c index 5b76ccd..9e44158 100644 --- a/fs/msdos/namei.c +++ b/fs/msdos/namei.c @@ -661,11 +661,12 @@ static int msdos_fill_super(struct super_block *sb, void *data, int silent) return 0; } -static struct super_block *msdos_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data) +static int msdos_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, msdos_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, msdos_fill_super, + mnt); } static struct file_system_type msdos_fs_type = { @@ -2577,8 +2577,7 @@ static char *page_getlink(struct dentry * dentry, struct page **ppage) { struct page * page; struct address_space *mapping = dentry->d_inode->i_mapping; - page = read_cache_page(mapping, 0, (filler_t *)mapping->a_ops->readpage, - NULL); + page = read_mapping_page(mapping, 0, NULL); if (IS_ERR(page)) goto sync_fail; wait_on_page_locked(page); diff --git a/fs/namespace.c b/fs/namespace.c index 6bb0b85..866430b 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -86,6 +86,15 @@ struct vfsmount *alloc_vfsmnt(const char *name) return mnt; } +int simple_set_mnt(struct vfsmount *mnt, struct super_block *sb) +{ + mnt->mnt_sb = sb; + mnt->mnt_root = dget(sb->s_root); + return 0; +} + +EXPORT_SYMBOL(simple_set_mnt); + void free_vfsmnt(struct vfsmount *mnt) { kfree(mnt->mnt_devname); diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index a1f3e97..90d2ea2 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -39,7 +39,7 @@ static void ncp_delete_inode(struct inode *); static void ncp_put_super(struct super_block *); -static int ncp_statfs(struct super_block *, struct kstatfs *); +static int ncp_statfs(struct dentry *, struct kstatfs *); static kmem_cache_t * ncp_inode_cachep; @@ -724,13 +724,14 @@ static void ncp_put_super(struct super_block *sb) kfree(server); } -static int ncp_statfs(struct super_block *sb, struct kstatfs *buf) +static int ncp_statfs(struct dentry *dentry, struct kstatfs *buf) { struct dentry* d; struct inode* i; struct ncp_inode_info* ni; struct ncp_server* s; struct ncp_volume_info vi; + struct super_block *sb = dentry->d_sb; int err; __u8 dh; @@ -957,10 +958,10 @@ out: return result; } -static struct super_block *ncp_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int ncp_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags, data, ncp_fill_super); + return get_sb_nodev(fs_type, flags, data, ncp_fill_super, mnt); } static struct file_system_type ncp_fs_type = { diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 106ef0d..add2891 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -43,7 +43,7 @@ static int nfs_file_mmap(struct file *, struct vm_area_struct *); static ssize_t nfs_file_sendfile(struct file *, loff_t *, size_t, read_actor_t, void *); static ssize_t nfs_file_read(struct kiocb *, char __user *, size_t, loff_t); static ssize_t nfs_file_write(struct kiocb *, const char __user *, size_t, loff_t); -static int nfs_file_flush(struct file *); +static int nfs_file_flush(struct file *, fl_owner_t id); static int nfs_fsync(struct file *, struct dentry *dentry, int datasync); static int nfs_check_flags(int flags); static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl); @@ -171,7 +171,7 @@ static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin) * */ static int -nfs_file_flush(struct file *file) +nfs_file_flush(struct file *file, fl_owner_t id) { struct nfs_open_context *ctx = (struct nfs_open_context *)file->private_data; struct inode *inode = file->f_dentry->d_inode; diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c index 4a006f8..67391ee 100644 --- a/fs/nfs/nfs2xdr.c +++ b/fs/nfs/nfs2xdr.c @@ -23,6 +23,7 @@ #include <linux/nfs.h> #include <linux/nfs2.h> #include <linux/nfs_fs.h> +#include "internal.h" #define NFSDBG_FACILITY NFSDBG_XDR /* #define NFS_PARANOIA 1 */ diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 30f939b..b977748 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -107,12 +107,12 @@ struct rpc_program nfsacl_program = { #endif /* CONFIG_NFS_V3_ACL */ static void nfs_umount_begin(struct vfsmount *, int); -static int nfs_statfs(struct super_block *, struct kstatfs *); +static int nfs_statfs(struct dentry *, struct kstatfs *); static int nfs_show_options(struct seq_file *, struct vfsmount *); static int nfs_show_stats(struct seq_file *, struct vfsmount *); -static struct super_block *nfs_get_sb(struct file_system_type *, int, const char *, void *); -static struct super_block *nfs_clone_nfs_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *raw_data); +static int nfs_get_sb(struct file_system_type *, int, const char *, void *, struct vfsmount *); +static int nfs_clone_nfs_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt); static void nfs_kill_super(struct super_block *); static struct file_system_type nfs_fs_type = { @@ -143,12 +143,12 @@ static struct super_operations nfs_sops = { }; #ifdef CONFIG_NFS_V4 -static struct super_block *nfs4_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *raw_data); -static struct super_block *nfs_clone_nfs4_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *raw_data); -static struct super_block *nfs_referral_nfs4_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *raw_data); +static int nfs4_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt); +static int nfs_clone_nfs4_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt); +static int nfs_referral_nfs4_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt); static void nfs4_kill_super(struct super_block *sb); static struct file_system_type nfs4_fs_type = { @@ -263,8 +263,9 @@ void __exit unregister_nfs_fs(void) /* * Deliver file system statistics to userspace */ -static int nfs_statfs(struct super_block *sb, struct kstatfs *buf) +static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; struct nfs_server *server = NFS_SB(sb); unsigned char blockbits; unsigned long blockres; @@ -770,15 +771,16 @@ out: /* * Copy an existing superblock and attach revised data */ -static struct super_block *nfs_clone_generic_sb(struct nfs_clone_mount *data, +static int nfs_clone_generic_sb(struct nfs_clone_mount *data, struct super_block *(*fill_sb)(struct nfs_server *, struct nfs_clone_mount *), - struct nfs_server *(*fill_server)(struct super_block *, struct nfs_clone_mount *)) + struct nfs_server *(*fill_server)(struct super_block *, struct nfs_clone_mount *), + struct vfsmount *mnt) { struct nfs_server *server; struct nfs_server *parent = NFS_SB(data->sb); struct super_block *sb = ERR_PTR(-EINVAL); - void *err = ERR_PTR(-ENOMEM); char *hostname; + int error = -ENOMEM; int len; server = kmalloc(sizeof(struct nfs_server), GFP_KERNEL); @@ -791,21 +793,34 @@ static struct super_block *nfs_clone_generic_sb(struct nfs_clone_mount *data, if (server->hostname == NULL) goto free_server; memcpy(server->hostname, hostname, len); - if (rpciod_up() != 0) + error = rpciod_up(); + if (error != 0) goto free_hostname; sb = fill_sb(server, data); - if (IS_ERR((err = sb)) || sb->s_root) + if (IS_ERR(sb)) { + error = PTR_ERR(sb); goto kill_rpciod; + } + + if (sb->s_root) + goto out_rpciod_down; server = fill_server(sb, data); - if (IS_ERR((err = server))) + if (IS_ERR(server)) { + error = PTR_ERR(server); goto out_deactivate; - return sb; + } + return simple_set_mnt(mnt, sb); out_deactivate: up_write(&sb->s_umount); deactivate_super(sb); - return (struct super_block *)err; + return error; +out_rpciod_down: + rpciod_down(); + kfree(server->hostname); + kfree(server); + return simple_set_mnt(mnt, sb); kill_rpciod: rpciod_down(); free_hostname: @@ -813,7 +828,7 @@ free_hostname: free_server: kfree(server); out_err: - return (struct super_block *)err; + return error; } /* @@ -939,8 +954,8 @@ static int nfs_compare_super(struct super_block *sb, void *data) return !nfs_compare_fh(&old->fh, &server->fh); } -static struct super_block *nfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *raw_data) +static int nfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt) { int error; struct nfs_server *server = NULL; @@ -948,14 +963,14 @@ static struct super_block *nfs_get_sb(struct file_system_type *fs_type, struct nfs_fh *root; struct nfs_mount_data *data = raw_data; - s = ERR_PTR(-EINVAL); + error = -EINVAL; if (data == NULL) { dprintk("%s: missing data argument\n", __FUNCTION__); - goto out_err; + goto out_err_noserver; } if (data->version <= 0 || data->version > NFS_MOUNT_VERSION) { dprintk("%s: bad mount version\n", __FUNCTION__); - goto out_err; + goto out_err_noserver; } switch (data->version) { case 1: @@ -967,7 +982,7 @@ static struct super_block *nfs_get_sb(struct file_system_type *fs_type, dprintk("%s: mount structure version %d does not support NFSv3\n", __FUNCTION__, data->version); - goto out_err; + goto out_err_noserver; } data->root.size = NFS2_FHSIZE; memcpy(data->root.data, data->old_root.data, NFS2_FHSIZE); @@ -976,24 +991,24 @@ static struct super_block *nfs_get_sb(struct file_system_type *fs_type, dprintk("%s: mount structure version %d does not support strong security\n", __FUNCTION__, data->version); - goto out_err; + goto out_err_noserver; } case 5: memset(data->context, 0, sizeof(data->context)); } #ifndef CONFIG_NFS_V3 /* If NFSv3 is not compiled in, return -EPROTONOSUPPORT */ - s = ERR_PTR(-EPROTONOSUPPORT); + error = -EPROTONOSUPPORT; if (data->flags & NFS_MOUNT_VER3) { dprintk("%s: NFSv3 not compiled into kernel\n", __FUNCTION__); - goto out_err; + goto out_err_noserver; } #endif /* CONFIG_NFS_V3 */ - s = ERR_PTR(-ENOMEM); + error = -ENOMEM; server = kzalloc(sizeof(struct nfs_server), GFP_KERNEL); if (!server) - goto out_err; + goto out_err_noserver; /* Zero out the NFS state stuff */ init_nfsv4_state(server); server->client = server->client_sys = server->client_acl = ERR_PTR(-EINVAL); @@ -1003,7 +1018,7 @@ static struct super_block *nfs_get_sb(struct file_system_type *fs_type, root->size = data->root.size; else root->size = NFS2_FHSIZE; - s = ERR_PTR(-EINVAL); + error = -EINVAL; if (root->size > sizeof(root->data)) { dprintk("%s: invalid root filehandle\n", __FUNCTION__); goto out_err; @@ -1019,15 +1034,20 @@ static struct super_block *nfs_get_sb(struct file_system_type *fs_type, } /* Fire up rpciod if not yet running */ - s = ERR_PTR(rpciod_up()); - if (IS_ERR(s)) { - dprintk("%s: couldn't start rpciod! Error = %ld\n", - __FUNCTION__, PTR_ERR(s)); + error = rpciod_up(); + if (error < 0) { + dprintk("%s: couldn't start rpciod! Error = %d\n", + __FUNCTION__, error); goto out_err; } s = sget(fs_type, nfs_compare_super, nfs_set_super, server); - if (IS_ERR(s) || s->s_root) + if (IS_ERR(s)) { + error = PTR_ERR(s); + goto out_err_rpciod; + } + + if (s->s_root) goto out_rpciod_down; s->s_flags = flags; @@ -1036,15 +1056,22 @@ static struct super_block *nfs_get_sb(struct file_system_type *fs_type, if (error) { up_write(&s->s_umount); deactivate_super(s); - return ERR_PTR(error); + return error; } s->s_flags |= MS_ACTIVE; - return s; + return simple_set_mnt(mnt, s); + out_rpciod_down: rpciod_down(); + kfree(server); + return simple_set_mnt(mnt, s); + +out_err_rpciod: + rpciod_down(); out_err: kfree(server); - return s; +out_err_noserver: + return error; } static void nfs_kill_super(struct super_block *s) @@ -1083,11 +1110,11 @@ static struct super_block *nfs_clone_sb(struct nfs_server *server, struct nfs_cl return sb; } -static struct super_block *nfs_clone_nfs_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *raw_data) +static int nfs_clone_nfs_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt) { struct nfs_clone_mount *data = raw_data; - return nfs_clone_generic_sb(data, nfs_clone_sb, nfs_clone_server); + return nfs_clone_generic_sb(data, nfs_clone_sb, nfs_clone_server, mnt); } #ifdef CONFIG_NFS_V4 @@ -1266,8 +1293,8 @@ nfs_copy_user_string(char *dst, struct nfs_string *src, int maxlen) return dst; } -static struct super_block *nfs4_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *raw_data) +static int nfs4_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt) { int error; struct nfs_server *server; @@ -1277,16 +1304,16 @@ static struct super_block *nfs4_get_sb(struct file_system_type *fs_type, if (data == NULL) { dprintk("%s: missing data argument\n", __FUNCTION__); - return ERR_PTR(-EINVAL); + return -EINVAL; } if (data->version <= 0 || data->version > NFS4_MOUNT_VERSION) { dprintk("%s: bad mount version\n", __FUNCTION__); - return ERR_PTR(-EINVAL); + return -EINVAL; } server = kzalloc(sizeof(struct nfs_server), GFP_KERNEL); if (!server) - return ERR_PTR(-ENOMEM); + return -ENOMEM; /* Zero out the NFS state stuff */ init_nfsv4_state(server); server->client = server->client_sys = server->client_acl = ERR_PTR(-EINVAL); @@ -1308,33 +1335,42 @@ static struct super_block *nfs4_get_sb(struct file_system_type *fs_type, /* We now require that the mount process passes the remote address */ if (data->host_addrlen != sizeof(server->addr)) { - s = ERR_PTR(-EINVAL); + error = -EINVAL; goto out_free; } if (copy_from_user(&server->addr, data->host_addr, sizeof(server->addr))) { - s = ERR_PTR(-EFAULT); + error = -EFAULT; goto out_free; } if (server->addr.sin_family != AF_INET || server->addr.sin_addr.s_addr == INADDR_ANY) { dprintk("%s: mount program didn't pass remote IP address!\n", __FUNCTION__); - s = ERR_PTR(-EINVAL); + error = -EINVAL; goto out_free; } /* Fire up rpciod if not yet running */ - s = ERR_PTR(rpciod_up()); - if (IS_ERR(s)) { - dprintk("%s: couldn't start rpciod! Error = %ld\n", - __FUNCTION__, PTR_ERR(s)); + error = rpciod_up(); + if (error < 0) { + dprintk("%s: couldn't start rpciod! Error = %d\n", + __FUNCTION__, error); goto out_free; } s = sget(fs_type, nfs4_compare_super, nfs_set_super, server); - if (IS_ERR(s) || s->s_root) + if (IS_ERR(s)) { + error = PTR_ERR(s); goto out_free; + } + + if (s->s_root) { + kfree(server->mnt_path); + kfree(server->hostname); + kfree(server); + return simple_set_mnt(mnt, s); + } s->s_flags = flags; @@ -1342,17 +1378,17 @@ static struct super_block *nfs4_get_sb(struct file_system_type *fs_type, if (error) { up_write(&s->s_umount); deactivate_super(s); - return ERR_PTR(error); + return error; } s->s_flags |= MS_ACTIVE; - return s; + return simple_set_mnt(mnt, s); out_err: - s = (struct super_block *)p; + error = PTR_ERR(p); out_free: kfree(server->mnt_path); kfree(server->hostname); kfree(server); - return s; + return error; } static void nfs4_kill_super(struct super_block *sb) @@ -1430,11 +1466,11 @@ err: return sb; } -static struct super_block *nfs_clone_nfs4_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *raw_data) +static int nfs_clone_nfs4_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt) { struct nfs_clone_mount *data = raw_data; - return nfs_clone_generic_sb(data, nfs4_clone_sb, nfs_clone_server); + return nfs_clone_generic_sb(data, nfs4_clone_sb, nfs_clone_server, mnt); } static struct super_block *nfs4_referral_sb(struct nfs_server *server, struct nfs_clone_mount *data) @@ -1487,11 +1523,11 @@ out_err: return (struct nfs_server *)err; } -static struct super_block *nfs_referral_nfs4_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *raw_data) +static int nfs_referral_nfs4_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt) { struct nfs_clone_mount *data = raw_data; - return nfs_clone_generic_sb(data, nfs4_referral_sb, nfs4_referral_server); + return nfs_clone_generic_sb(data, nfs4_referral_sb, nfs4_referral_server, mnt); } #endif diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index de3998f..5446a08 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1310,7 +1310,7 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp, if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL)) || (bmval1 & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE | FATTR4_WORD1_SPACE_TOTAL))) { - status = vfs_statfs(dentry->d_inode->i_sb, &statfs); + status = vfs_statfs(dentry, &statfs); if (status) goto out_nfserr; } diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 3ef017b..a1810e6 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -494,10 +494,10 @@ static int nfsd_fill_super(struct super_block * sb, void * data, int silent) return simple_fill_super(sb, 0x6e667364, nfsd_files); } -static struct super_block *nfsd_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int nfsd_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_single(fs_type, flags, data, nfsd_fill_super); + return get_sb_single(fs_type, flags, data, nfsd_fill_super, mnt); } static struct file_system_type nfsd_fs_type = { diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 1d65f13..245eaa1 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1737,7 +1737,7 @@ int nfsd_statfs(struct svc_rqst *rqstp, struct svc_fh *fhp, struct kstatfs *stat) { int err = fh_verify(rqstp, fhp, 0, MAY_NOP); - if (!err && vfs_statfs(fhp->fh_dentry->d_inode->i_sb,stat)) + if (!err && vfs_statfs(fhp->fh_dentry,stat)) err = nfserr_io; return err; } diff --git a/fs/ntfs/aops.h b/fs/ntfs/aops.h index 3b74e66..325ce26 100644 --- a/fs/ntfs/aops.h +++ b/fs/ntfs/aops.h @@ -86,8 +86,7 @@ static inline void ntfs_unmap_page(struct page *page) static inline struct page *ntfs_map_page(struct address_space *mapping, unsigned long index) { - struct page *page = read_cache_page(mapping, index, - (filler_t*)mapping->a_ops->readpage, NULL); + struct page *page = read_mapping_page(mapping, index, NULL); if (!IS_ERR(page)) { wait_on_page_locked(page); diff --git a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c index 1663f5c..6708e1d 100644 --- a/fs/ntfs/attrib.c +++ b/fs/ntfs/attrib.c @@ -2529,8 +2529,7 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val) end >>= PAGE_CACHE_SHIFT; /* If there is a first partial page, need to do it the slow way. */ if (start_ofs) { - page = read_cache_page(mapping, idx, - (filler_t*)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, idx, NULL); if (IS_ERR(page)) { ntfs_error(vol->sb, "Failed to read first partial " "page (sync error, index 0x%lx).", idx); @@ -2600,8 +2599,7 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val) } /* If there is a last partial page, need to do it the slow way. */ if (end_ofs) { - page = read_cache_page(mapping, idx, - (filler_t*)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, idx, NULL); if (IS_ERR(page)) { ntfs_error(vol->sb, "Failed to read last partial page " "(sync error, index 0x%lx).", idx); diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index c63a83e..88292f9 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -231,8 +231,7 @@ do_non_resident_extend: * Read the page. If the page is not present, this will zero * the uninitialized regions for us. */ - page = read_cache_page(mapping, index, - (filler_t*)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, index, NULL); if (IS_ERR(page)) { err = PTR_ERR(page); goto init_err_out; @@ -1484,14 +1483,15 @@ static inline void ntfs_flush_dcache_pages(struct page **pages, unsigned nr_pages) { BUG_ON(!nr_pages); + /* + * Warning: Do not do the decrement at the same time as the call to + * flush_dcache_page() because it is a NULL macro on i386 and hence the + * decrement never happens so the loop never terminates. + */ do { - /* - * Warning: Do not do the decrement at the same time as the - * call because flush_dcache_page() is a NULL macro on i386 - * and hence the decrement never happens. - */ + --nr_pages; flush_dcache_page(pages[nr_pages]); - } while (--nr_pages > 0); + } while (nr_pages > 0); } /** diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index 27833f6..0e14ace 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -2601,10 +2601,10 @@ static unsigned long __get_nr_free_mft_records(ntfs_volume *vol, /** * ntfs_statfs - return information about mounted NTFS volume - * @sb: super block of mounted volume + * @dentry: dentry from mounted volume * @sfs: statfs structure in which to return the information * - * Return information about the mounted NTFS volume @sb in the statfs structure + * Return information about the mounted NTFS volume @dentry in the statfs structure * pointed to by @sfs (this is initialized with zeros before ntfs_statfs is * called). We interpret the values to be correct of the moment in time at * which we are called. Most values are variable otherwise and this isn't just @@ -2617,8 +2617,9 @@ static unsigned long __get_nr_free_mft_records(ntfs_volume *vol, * * Return 0 on success or -errno on error. */ -static int ntfs_statfs(struct super_block *sb, struct kstatfs *sfs) +static int ntfs_statfs(struct dentry *dentry, struct kstatfs *sfs) { + struct super_block *sb = dentry->d_sb; s64 size; ntfs_volume *vol = NTFS_SB(sb); ntfs_inode *mft_ni = NTFS_I(vol->mft_ino); @@ -3093,10 +3094,11 @@ struct kmem_cache *ntfs_index_ctx_cache; /* Driver wide mutex. */ DEFINE_MUTEX(ntfs_lock); -static struct super_block *ntfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int ntfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, ntfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, ntfs_fill_super, + mnt); } static struct file_system_type ntfs_fs_type = { diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c index 7e88e24..7273d9f 100644 --- a/fs/ocfs2/dlm/dlmfs.c +++ b/fs/ocfs2/dlm/dlmfs.c @@ -574,10 +574,10 @@ static struct inode_operations dlmfs_file_inode_operations = { .getattr = simple_getattr, }; -static struct super_block *dlmfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int dlmfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags, data, dlmfs_fill_super); + return get_sb_nodev(fs_type, flags, data, dlmfs_fill_super, mnt); } static struct file_system_type dlmfs_fs_type = { diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 949b3da..cdf7339 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -100,7 +100,7 @@ static int ocfs2_initialize_mem_caches(void); static void ocfs2_free_mem_caches(void); static void ocfs2_delete_osb(struct ocfs2_super *osb); -static int ocfs2_statfs(struct super_block *sb, struct kstatfs *buf); +static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf); static int ocfs2_sync_fs(struct super_block *sb, int wait); @@ -672,12 +672,14 @@ read_super_error: return status; } -static struct super_block *ocfs2_get_sb(struct file_system_type *fs_type, - int flags, - const char *dev_name, - void *data) +static int ocfs2_get_sb(struct file_system_type *fs_type, + int flags, + const char *dev_name, + void *data, + struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, ocfs2_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, ocfs2_fill_super, + mnt); } static struct file_system_type ocfs2_fs_type = { @@ -855,7 +857,7 @@ static void ocfs2_put_super(struct super_block *sb) mlog_exit_void(); } -static int ocfs2_statfs(struct super_block *sb, struct kstatfs *buf) +static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf) { struct ocfs2_super *osb; u32 numbits, freebits; @@ -864,9 +866,9 @@ static int ocfs2_statfs(struct super_block *sb, struct kstatfs *buf) struct buffer_head *bh = NULL; struct inode *inode = NULL; - mlog_entry("(%p, %p)\n", sb, buf); + mlog_entry("(%p, %p)\n", dentry->d_sb, buf); - osb = OCFS2_SB(sb); + osb = OCFS2_SB(dentry->d_sb); inode = ocfs2_get_system_file_inode(osb, GLOBAL_BITMAP_SYSTEM_INODE, @@ -889,7 +891,7 @@ static int ocfs2_statfs(struct super_block *sb, struct kstatfs *buf) freebits = numbits - le32_to_cpu(bm_lock->id1.bitmap1.i_used); buf->f_type = OCFS2_SUPER_MAGIC; - buf->f_bsize = sb->s_blocksize; + buf->f_bsize = dentry->d_sb->s_blocksize; buf->f_namelen = OCFS2_MAX_FILENAME_LEN; buf->f_blocks = ((sector_t) numbits) * (osb->s_clustersize >> osb->sb->s_blocksize_bits); diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index f6986bd..0c8a129 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -64,8 +64,7 @@ static char *ocfs2_page_getlink(struct dentry * dentry, { struct page * page; struct address_space *mapping = dentry->d_inode->i_mapping; - page = read_cache_page(mapping, 0, - (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, 0, NULL); if (IS_ERR(page)) goto sync_fail; wait_on_page_locked(page); @@ -31,18 +31,18 @@ #include <asm/unistd.h> -int vfs_statfs(struct super_block *sb, struct kstatfs *buf) +int vfs_statfs(struct dentry *dentry, struct kstatfs *buf) { int retval = -ENODEV; - if (sb) { + if (dentry) { retval = -ENOSYS; - if (sb->s_op->statfs) { + if (dentry->d_sb->s_op->statfs) { memset(buf, 0, sizeof(*buf)); - retval = security_sb_statfs(sb); + retval = security_sb_statfs(dentry); if (retval) return retval; - retval = sb->s_op->statfs(sb, buf); + retval = dentry->d_sb->s_op->statfs(dentry, buf); if (retval == 0 && buf->f_frsize == 0) buf->f_frsize = buf->f_bsize; } @@ -52,12 +52,12 @@ int vfs_statfs(struct super_block *sb, struct kstatfs *buf) EXPORT_SYMBOL(vfs_statfs); -static int vfs_statfs_native(struct super_block *sb, struct statfs *buf) +static int vfs_statfs_native(struct dentry *dentry, struct statfs *buf) { struct kstatfs st; int retval; - retval = vfs_statfs(sb, &st); + retval = vfs_statfs(dentry, &st); if (retval) return retval; @@ -95,12 +95,12 @@ static int vfs_statfs_native(struct super_block *sb, struct statfs *buf) return 0; } -static int vfs_statfs64(struct super_block *sb, struct statfs64 *buf) +static int vfs_statfs64(struct dentry *dentry, struct statfs64 *buf) { struct kstatfs st; int retval; - retval = vfs_statfs(sb, &st); + retval = vfs_statfs(dentry, &st); if (retval) return retval; @@ -130,7 +130,7 @@ asmlinkage long sys_statfs(const char __user * path, struct statfs __user * buf) error = user_path_walk(path, &nd); if (!error) { struct statfs tmp; - error = vfs_statfs_native(nd.dentry->d_inode->i_sb, &tmp); + error = vfs_statfs_native(nd.dentry, &tmp); if (!error && copy_to_user(buf, &tmp, sizeof(tmp))) error = -EFAULT; path_release(&nd); @@ -149,7 +149,7 @@ asmlinkage long sys_statfs64(const char __user *path, size_t sz, struct statfs64 error = user_path_walk(path, &nd); if (!error) { struct statfs64 tmp; - error = vfs_statfs64(nd.dentry->d_inode->i_sb, &tmp); + error = vfs_statfs64(nd.dentry, &tmp); if (!error && copy_to_user(buf, &tmp, sizeof(tmp))) error = -EFAULT; path_release(&nd); @@ -168,7 +168,7 @@ asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user * buf) file = fget(fd); if (!file) goto out; - error = vfs_statfs_native(file->f_dentry->d_inode->i_sb, &tmp); + error = vfs_statfs_native(file->f_dentry, &tmp); if (!error && copy_to_user(buf, &tmp, sizeof(tmp))) error = -EFAULT; fput(file); @@ -189,7 +189,7 @@ asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, struct statfs64 __user file = fget(fd); if (!file) goto out; - error = vfs_statfs64(file->f_dentry->d_inode->i_sb, &tmp); + error = vfs_statfs64(file->f_dentry, &tmp); if (!error && copy_to_user(buf, &tmp, sizeof(tmp))) error = -EFAULT; fput(file); @@ -1152,7 +1152,7 @@ int filp_close(struct file *filp, fl_owner_t id) } if (filp->f_op && filp->f_op->flush) - retval = filp->f_op->flush(filp); + retval = filp->f_op->flush(filp, id); dnotify_flush(filp, id); locks_remove_posix(filp, id); diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index 0f14276..464e2bc 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -1054,10 +1054,10 @@ out_no_root: return -ENOMEM; } -static struct super_block *openprom_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int openprom_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_single(fs_type, flags, data, openprom_fill_super); + return get_sb_single(fs_type, flags, data, openprom_fill_super, mnt); } static struct file_system_type openprom_fs_type = { diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 7ef1f09..2ef313a 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -329,6 +329,7 @@ void delete_partition(struct gendisk *disk, int part) p->ios[0] = p->ios[1] = 0; p->sectors[0] = p->sectors[1] = 0; devfs_remove("%s/part%d", disk->devfs_name, part); + sysfs_remove_link(&p->kobj, "subsystem"); if (p->holder_dir) kobject_unregister(p->holder_dir); kobject_uevent(&p->kobj, KOBJ_REMOVE); @@ -363,6 +364,7 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len) kobject_add(&p->kobj); if (!disk->part_uevent_suppress) kobject_uevent(&p->kobj, KOBJ_ADD); + sysfs_create_link(&p->kobj, &block_subsys.kset.kobj, "subsystem"); partition_sysfs_add_subdir(p); disk->part[part-1] = p; } @@ -398,6 +400,7 @@ static void disk_sysfs_symlinks(struct gendisk *disk) kfree(disk_name); } } + sysfs_create_link(&disk->kobj, &block_subsys.kset.kobj, "subsystem"); } /* Not exported, helper to add_disk(). */ @@ -481,6 +484,10 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) sector_t from = state->parts[p].from; if (!size) continue; + if (from + size > get_capacity(disk)) { + printk(" %s: p%d exceeds device capacity\n", + disk->disk_name, p); + } add_partition(disk, p, from, size); #ifdef CONFIG_BLK_DEV_MD if (state->parts[p].flags) @@ -496,8 +503,8 @@ unsigned char *read_dev_sector(struct block_device *bdev, sector_t n, Sector *p) struct address_space *mapping = bdev->bd_inode->i_mapping; struct page *page; - page = read_cache_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)), - (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)), + NULL); if (!IS_ERR(page)) { wait_on_page_locked(page); if (!PageUptodate(page)) @@ -548,5 +555,6 @@ void del_gendisk(struct gendisk *disk) put_device(disk->driverfs_dev); disk->driverfs_dev = NULL; } + sysfs_remove_link(&disk->kobj, "subsystem"); kobject_del(&disk->kobj); } @@ -979,12 +979,11 @@ no_files: * any operations on the root directory. However, we need a non-trivial * d_name - pipe: will go nicely and kill the special-casing in procfs. */ - -static struct super_block * -pipefs_get_sb(struct file_system_type *fs_type, int flags, - const char *dev_name, void *data) +static int pipefs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, + struct vfsmount *mnt) { - return get_sb_pseudo(fs_type, "pipe:", NULL, PIPEFS_MAGIC); + return get_sb_pseudo(fs_type, "pipe:", NULL, PIPEFS_MAGIC, mnt); } static struct file_system_type pipe_fs_type = { diff --git a/fs/proc/root.c b/fs/proc/root.c index c3fd361..9995356 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -26,10 +26,10 @@ struct proc_dir_entry *proc_net, *proc_net_stat, *proc_bus, *proc_root_fs, *proc struct proc_dir_entry *proc_sys_root; #endif -static struct super_block *proc_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int proc_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_single(fs_type, flags, data, proc_fill_super); + return get_sb_single(fs_type, flags, data, proc_fill_super, mnt); } static struct file_system_type proc_fs_type = { diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c index 2ecd46f..2f24c46 100644 --- a/fs/qnx4/inode.c +++ b/fs/qnx4/inode.c @@ -128,7 +128,7 @@ static struct inode *qnx4_alloc_inode(struct super_block *sb); static void qnx4_destroy_inode(struct inode *inode); static void qnx4_read_inode(struct inode *); static int qnx4_remount(struct super_block *sb, int *flags, char *data); -static int qnx4_statfs(struct super_block *, struct kstatfs *); +static int qnx4_statfs(struct dentry *, struct kstatfs *); static struct super_operations qnx4_sops = { @@ -282,8 +282,10 @@ unsigned long qnx4_block_map( struct inode *inode, long iblock ) return block; } -static int qnx4_statfs(struct super_block *sb, struct kstatfs *buf) +static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; + lock_kernel(); buf->f_type = sb->s_magic; @@ -561,10 +563,11 @@ static void destroy_inodecache(void) "qnx4_inode_cache: not all structures were freed\n"); } -static struct super_block *qnx4_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int qnx4_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, qnx4_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, qnx4_fill_super, + mnt); } static struct file_system_type qnx4_fs_type = { diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index 14bd224..b967733 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -185,16 +185,17 @@ static int ramfs_fill_super(struct super_block * sb, void * data, int silent) return 0; } -struct super_block *ramfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +int ramfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags, data, ramfs_fill_super); + return get_sb_nodev(fs_type, flags, data, ramfs_fill_super, mnt); } -static struct super_block *rootfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int rootfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags|MS_NOUSER, data, ramfs_fill_super); + return get_sb_nodev(fs_type, flags|MS_NOUSER, data, ramfs_fill_super, + mnt); } static struct file_system_type ramfs_fs_type = { diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index cae2abb..00f1321 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -60,7 +60,7 @@ static int is_any_reiserfs_magic_string(struct reiserfs_super_block *rs) } static int reiserfs_remount(struct super_block *s, int *flags, char *data); -static int reiserfs_statfs(struct super_block *s, struct kstatfs *buf); +static int reiserfs_statfs(struct dentry *dentry, struct kstatfs *buf); static int reiserfs_sync_fs(struct super_block *s, int wait) { @@ -1938,15 +1938,15 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) return errval; } -static int reiserfs_statfs(struct super_block *s, struct kstatfs *buf) +static int reiserfs_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct reiserfs_super_block *rs = SB_DISK_SUPER_BLOCK(s); + struct reiserfs_super_block *rs = SB_DISK_SUPER_BLOCK(dentry->d_sb); buf->f_namelen = (REISERFS_MAX_NAME(s->s_blocksize)); buf->f_bfree = sb_free_blocks(rs); buf->f_bavail = buf->f_bfree; buf->f_blocks = sb_block_count(rs) - sb_bmap_nr(rs) - 1; - buf->f_bsize = s->s_blocksize; + buf->f_bsize = dentry->d_sb->s_blocksize; /* changed to accommodate gcc folks. */ buf->f_type = REISERFS_SUPER_MAGIC; return 0; @@ -2249,11 +2249,12 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type, #endif -static struct super_block *get_super_block(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data) +static int get_super_block(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, reiserfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, reiserfs_fill_super, + mnt); } static int __init init_reiserfs_fs(void) diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index ffb79c4..39fedaa 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -452,8 +452,7 @@ static struct page *reiserfs_get_page(struct inode *dir, unsigned long n) /* We can deadlock if we try to free dentries, and an unlink/rmdir has just occured - GFP_NOFS avoids this */ mapping_set_gfp_mask(mapping, GFP_NOFS); - page = read_cache_page(mapping, n, - (filler_t *) mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, n, NULL); if (!IS_ERR(page)) { wait_on_page_locked(page); kmap(page); diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c index 9b9eda7..283fbc6 100644 --- a/fs/romfs/inode.c +++ b/fs/romfs/inode.c @@ -179,12 +179,12 @@ outnobh: /* That's simple too. */ static int -romfs_statfs(struct super_block *sb, struct kstatfs *buf) +romfs_statfs(struct dentry *dentry, struct kstatfs *buf) { buf->f_type = ROMFS_MAGIC; buf->f_bsize = ROMBSIZE; buf->f_bfree = buf->f_bavail = buf->f_ffree; - buf->f_blocks = (romfs_maxsize(sb)+ROMBSIZE-1)>>ROMBSBITS; + buf->f_blocks = (romfs_maxsize(dentry->d_sb)+ROMBSIZE-1)>>ROMBSBITS; buf->f_namelen = ROMFS_MAXFN; return 0; } @@ -607,10 +607,11 @@ static struct super_operations romfs_ops = { .remount_fs = romfs_remount, }; -static struct super_block *romfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int romfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, romfs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, romfs_fill_super, + mnt); } static struct file_system_type romfs_fs_type = { diff --git a/fs/select.c b/fs/select.c index a8109ba..9c4f0f2 100644 --- a/fs/select.c +++ b/fs/select.c @@ -546,37 +546,38 @@ struct poll_list { #define POLLFD_PER_PAGE ((PAGE_SIZE-sizeof(struct poll_list)) / sizeof(struct pollfd)) -static void do_pollfd(unsigned int num, struct pollfd * fdpage, - poll_table ** pwait, int *count) +/* + * Fish for pollable events on the pollfd->fd file descriptor. We're only + * interested in events matching the pollfd->events mask, and the result + * matching that mask is both recorded in pollfd->revents and returned. The + * pwait poll_table will be used by the fd-provided poll handler for waiting, + * if non-NULL. + */ +static inline unsigned int do_pollfd(struct pollfd *pollfd, poll_table *pwait) { - int i; - - for (i = 0; i < num; i++) { - int fd; - unsigned int mask; - struct pollfd *fdp; - - mask = 0; - fdp = fdpage+i; - fd = fdp->fd; - if (fd >= 0) { - int fput_needed; - struct file * file = fget_light(fd, &fput_needed); - mask = POLLNVAL; - if (file != NULL) { - mask = DEFAULT_POLLMASK; - if (file->f_op && file->f_op->poll) - mask = file->f_op->poll(file, *pwait); - mask &= fdp->events | POLLERR | POLLHUP; - fput_light(file, fput_needed); - } - if (mask) { - *pwait = NULL; - (*count)++; - } + unsigned int mask; + int fd; + + mask = 0; + fd = pollfd->fd; + if (fd >= 0) { + int fput_needed; + struct file * file; + + file = fget_light(fd, &fput_needed); + mask = POLLNVAL; + if (file != NULL) { + mask = DEFAULT_POLLMASK; + if (file->f_op && file->f_op->poll) + mask = file->f_op->poll(file, pwait); + /* Mask out unneeded events. */ + mask &= pollfd->events | POLLERR | POLLHUP; + fput_light(file, fput_needed); } - fdp->revents = mask; } + pollfd->revents = mask; + + return mask; } static int do_poll(unsigned int nfds, struct poll_list *list, @@ -594,11 +595,29 @@ static int do_poll(unsigned int nfds, struct poll_list *list, long __timeout; set_current_state(TASK_INTERRUPTIBLE); - walk = list; - while(walk != NULL) { - do_pollfd( walk->len, walk->entries, &pt, &count); - walk = walk->next; + for (walk = list; walk != NULL; walk = walk->next) { + struct pollfd * pfd, * pfd_end; + + pfd = walk->entries; + pfd_end = pfd + walk->len; + for (; pfd != pfd_end; pfd++) { + /* + * Fish for events. If we found one, record it + * and kill the poll_table, so we don't + * needlessly register any other waiters after + * this. They'll get immediately deregistered + * when we break out and return. + */ + if (do_pollfd(pfd, pt)) { + count++; + pt = NULL; + } + } } + /* + * All waiters have already been registered, so don't provide + * a poll_table to them on the next loop iteration. + */ pt = NULL; if (count || !*timeout || signal_pending(current)) break; diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c index fdeabc0..506ff87 100644 --- a/fs/smbfs/inode.c +++ b/fs/smbfs/inode.c @@ -48,7 +48,7 @@ static void smb_delete_inode(struct inode *); static void smb_put_super(struct super_block *); -static int smb_statfs(struct super_block *, struct kstatfs *); +static int smb_statfs(struct dentry *, struct kstatfs *); static int smb_show_options(struct seq_file *, struct vfsmount *); static kmem_cache_t *smb_inode_cachep; @@ -641,13 +641,13 @@ out_no_server: } static int -smb_statfs(struct super_block *sb, struct kstatfs *buf) +smb_statfs(struct dentry *dentry, struct kstatfs *buf) { int result; lock_kernel(); - result = smb_proc_dskattr(sb, buf); + result = smb_proc_dskattr(dentry, buf); unlock_kernel(); @@ -782,10 +782,10 @@ out: return error; } -static struct super_block *smb_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int smb_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_nodev(fs_type, flags, data, smb_fill_super); + return get_sb_nodev(fs_type, flags, data, smb_fill_super, mnt); } static struct file_system_type smb_fs_type = { diff --git a/fs/smbfs/proc.c b/fs/smbfs/proc.c index b1b878b..c349505 100644 --- a/fs/smbfs/proc.c +++ b/fs/smbfs/proc.c @@ -3226,9 +3226,9 @@ smb_proc_settime(struct dentry *dentry, struct smb_fattr *fattr) } int -smb_proc_dskattr(struct super_block *sb, struct kstatfs *attr) +smb_proc_dskattr(struct dentry *dentry, struct kstatfs *attr) { - struct smb_sb_info *server = SMB_SB(sb); + struct smb_sb_info *server = SMB_SB(dentry->d_sb); int result; char *p; long unit; diff --git a/fs/smbfs/proto.h b/fs/smbfs/proto.h index 4766459..972ed7d 100644 --- a/fs/smbfs/proto.h +++ b/fs/smbfs/proto.h @@ -29,7 +29,7 @@ extern int smb_proc_getattr(struct dentry *dir, struct smb_fattr *fattr); extern int smb_proc_setattr(struct dentry *dir, struct smb_fattr *fattr); extern int smb_proc_setattr_unix(struct dentry *d, struct iattr *attr, unsigned int major, unsigned int minor); extern int smb_proc_settime(struct dentry *dentry, struct smb_fattr *fattr); -extern int smb_proc_dskattr(struct super_block *sb, struct kstatfs *attr); +extern int smb_proc_dskattr(struct dentry *dentry, struct kstatfs *attr); extern int smb_proc_read_link(struct smb_sb_info *server, struct dentry *d, char *buffer, int len); extern int smb_proc_symlink(struct smb_sb_info *server, struct dentry *d, const char *oldpath); extern int smb_proc_link(struct smb_sb_info *server, struct dentry *dentry, struct dentry *new_dentry); diff --git a/fs/splice.c b/fs/splice.c index a285fd7..05fd278 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -55,31 +55,43 @@ static int page_cache_pipe_buf_steal(struct pipe_inode_info *pipe, struct pipe_buffer *buf) { struct page *page = buf->page; - struct address_space *mapping = page_mapping(page); + struct address_space *mapping; lock_page(page); - WARN_ON(!PageUptodate(page)); + mapping = page_mapping(page); + if (mapping) { + WARN_ON(!PageUptodate(page)); - /* - * At least for ext2 with nobh option, we need to wait on writeback - * completing on this page, since we'll remove it from the pagecache. - * Otherwise truncate wont wait on the page, allowing the disk - * blocks to be reused by someone else before we actually wrote our - * data to them. fs corruption ensues. - */ - wait_on_page_writeback(page); + /* + * At least for ext2 with nobh option, we need to wait on + * writeback completing on this page, since we'll remove it + * from the pagecache. Otherwise truncate wont wait on the + * page, allowing the disk blocks to be reused by someone else + * before we actually wrote our data to them. fs corruption + * ensues. + */ + wait_on_page_writeback(page); - if (PagePrivate(page)) - try_to_release_page(page, mapping_gfp_mask(mapping)); + if (PagePrivate(page)) + try_to_release_page(page, mapping_gfp_mask(mapping)); - if (!remove_mapping(mapping, page)) { - unlock_page(page); - return 1; + /* + * If we succeeded in removing the mapping, set LRU flag + * and return good. + */ + if (remove_mapping(mapping, page)) { + buf->flags |= PIPE_BUF_FLAG_LRU; + return 0; + } } - buf->flags |= PIPE_BUF_FLAG_LRU; - return 0; + /* + * Raced with truncate or failed to remove page from current + * address space, unlock and return failure. + */ + unlock_page(page); + return 1; } static void page_cache_pipe_buf_release(struct pipe_inode_info *pipe, @@ -231,7 +231,7 @@ void generic_shutdown_super(struct super_block *sb) if (root) { sb->s_root = NULL; shrink_dcache_parent(root); - shrink_dcache_anon(&sb->s_anon); + shrink_dcache_sb(sb); dput(root); fsync_super(sb); lock_super(sb); @@ -486,7 +486,7 @@ asmlinkage long sys_ustat(unsigned dev, struct ustat __user * ubuf) s = user_get_super(new_decode_dev(dev)); if (s == NULL) goto out; - err = vfs_statfs(s, &sbuf); + err = vfs_statfs(s->s_root, &sbuf); drop_super(s); if (err) goto out; @@ -676,9 +676,10 @@ static void bdev_uevent(struct block_device *bdev, enum kobject_action action) } } -struct super_block *get_sb_bdev(struct file_system_type *fs_type, +int get_sb_bdev(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, - int (*fill_super)(struct super_block *, void *, int)) + int (*fill_super)(struct super_block *, void *, int), + struct vfsmount *mnt) { struct block_device *bdev; struct super_block *s; @@ -686,7 +687,7 @@ struct super_block *get_sb_bdev(struct file_system_type *fs_type, bdev = open_bdev_excl(dev_name, flags, fs_type); if (IS_ERR(bdev)) - return (struct super_block *)bdev; + return PTR_ERR(bdev); /* * once the super is inserted into the list by sget, s_umount @@ -697,15 +698,17 @@ struct super_block *get_sb_bdev(struct file_system_type *fs_type, s = sget(fs_type, test_bdev_super, set_bdev_super, bdev); mutex_unlock(&bdev->bd_mount_mutex); if (IS_ERR(s)) - goto out; + goto error_s; if (s->s_root) { if ((flags ^ s->s_flags) & MS_RDONLY) { up_write(&s->s_umount); deactivate_super(s); - s = ERR_PTR(-EBUSY); + error = -EBUSY; + goto error_bdev; } - goto out; + + close_bdev_excl(bdev); } else { char b[BDEVNAME_SIZE]; @@ -716,18 +719,21 @@ struct super_block *get_sb_bdev(struct file_system_type *fs_type, if (error) { up_write(&s->s_umount); deactivate_super(s); - s = ERR_PTR(error); - } else { - s->s_flags |= MS_ACTIVE; - bdev_uevent(bdev, KOBJ_MOUNT); + goto error; } + + s->s_flags |= MS_ACTIVE; + bdev_uevent(bdev, KOBJ_MOUNT); } - return s; + return simple_set_mnt(mnt, s); -out: +error_s: + error = PTR_ERR(s); +error_bdev: close_bdev_excl(bdev); - return s; +error: + return error; } EXPORT_SYMBOL(get_sb_bdev); @@ -744,15 +750,16 @@ void kill_block_super(struct super_block *sb) EXPORT_SYMBOL(kill_block_super); -struct super_block *get_sb_nodev(struct file_system_type *fs_type, +int get_sb_nodev(struct file_system_type *fs_type, int flags, void *data, - int (*fill_super)(struct super_block *, void *, int)) + int (*fill_super)(struct super_block *, void *, int), + struct vfsmount *mnt) { int error; struct super_block *s = sget(fs_type, NULL, set_anon_super, NULL); if (IS_ERR(s)) - return s; + return PTR_ERR(s); s->s_flags = flags; @@ -760,10 +767,10 @@ struct super_block *get_sb_nodev(struct file_system_type *fs_type, if (error) { up_write(&s->s_umount); deactivate_super(s); - return ERR_PTR(error); + return error; } s->s_flags |= MS_ACTIVE; - return s; + return simple_set_mnt(mnt, s); } EXPORT_SYMBOL(get_sb_nodev); @@ -773,28 +780,29 @@ static int compare_single(struct super_block *s, void *p) return 1; } -struct super_block *get_sb_single(struct file_system_type *fs_type, +int get_sb_single(struct file_system_type *fs_type, int flags, void *data, - int (*fill_super)(struct super_block *, void *, int)) + int (*fill_super)(struct super_block *, void *, int), + struct vfsmount *mnt) { struct super_block *s; int error; s = sget(fs_type, compare_single, set_anon_super, NULL); if (IS_ERR(s)) - return s; + return PTR_ERR(s); if (!s->s_root) { s->s_flags = flags; error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); if (error) { up_write(&s->s_umount); deactivate_super(s); - return ERR_PTR(error); + return error; } s->s_flags |= MS_ACTIVE; } do_remount_sb(s, flags, data, 0); - return s; + return simple_set_mnt(mnt, s); } EXPORT_SYMBOL(get_sb_single); @@ -802,52 +810,51 @@ EXPORT_SYMBOL(get_sb_single); struct vfsmount * vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void *data) { - struct super_block *sb = ERR_PTR(-ENOMEM); struct vfsmount *mnt; - int error; char *secdata = NULL; + int error; + + if (!type) + return ERR_PTR(-ENODEV); + error = -ENOMEM; mnt = alloc_vfsmnt(name); if (!mnt) goto out; if (data) { secdata = alloc_secdata(); - if (!secdata) { - sb = ERR_PTR(-ENOMEM); + if (!secdata) goto out_mnt; - } error = security_sb_copy_data(type, data, secdata); - if (error) { - sb = ERR_PTR(error); + if (error) goto out_free_secdata; - } } - sb = type->get_sb(type, flags, name, data); - if (IS_ERR(sb)) + error = type->get_sb(type, flags, name, data, mnt); + if (error < 0) goto out_free_secdata; - error = security_sb_kern_mount(sb, secdata); + + error = security_sb_kern_mount(mnt->mnt_sb, secdata); if (error) goto out_sb; - mnt->mnt_sb = sb; - mnt->mnt_root = dget(sb->s_root); - mnt->mnt_mountpoint = sb->s_root; + + mnt->mnt_mountpoint = mnt->mnt_root; mnt->mnt_parent = mnt; - up_write(&sb->s_umount); + up_write(&mnt->mnt_sb->s_umount); free_secdata(secdata); return mnt; out_sb: - up_write(&sb->s_umount); - deactivate_super(sb); - sb = ERR_PTR(error); + dput(mnt->mnt_root); + up_write(&mnt->mnt_sb->s_umount); + deactivate_super(mnt->mnt_sb); out_free_secdata: free_secdata(secdata); out_mnt: free_vfsmnt(mnt); out: - return (struct vfsmount *)sb; + return ERR_PTR(error); } EXPORT_SYMBOL_GPL(vfs_kern_mount); @@ -100,7 +100,7 @@ asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, } if (nbytes == 0) - endbyte = -1; + endbyte = LLONG_MAX; else endbyte--; /* inclusive */ diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index f1117e8..40190c4 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -66,10 +66,10 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent) return 0; } -static struct super_block *sysfs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int sysfs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_single(fs_type, flags, data, sysfs_fill_super); + return get_sb_single(fs_type, flags, data, sysfs_fill_super, mnt); } static struct file_system_type sysfs_fs_type = { diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c index d707434..f2bef96 100644 --- a/fs/sysv/dir.c +++ b/fs/sysv/dir.c @@ -53,8 +53,7 @@ static int dir_commit_chunk(struct page *page, unsigned from, unsigned to) static struct page * dir_get_page(struct inode *dir, unsigned long n) { struct address_space *mapping = dir->i_mapping; - struct page *page = read_cache_page(mapping, n, - (filler_t*)mapping->a_ops->readpage, NULL); + struct page *page = read_mapping_page(mapping, n, NULL); if (!IS_ERR(page)) { wait_on_page_locked(page); kmap(page); diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 3ff89cc..58b2d22 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -85,8 +85,9 @@ static void sysv_put_super(struct super_block *sb) kfree(sbi); } -static int sysv_statfs(struct super_block *sb, struct kstatfs *buf) +static int sysv_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; struct sysv_sb_info *sbi = SYSV_SB(sb); buf->f_type = sb->s_magic; diff --git a/fs/sysv/super.c b/fs/sysv/super.c index e92b991..876639b 100644 --- a/fs/sysv/super.c +++ b/fs/sysv/super.c @@ -506,16 +506,17 @@ failed: /* Every kernel module contains stuff like this. */ -static struct super_block *sysv_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int sysv_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, sysv_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, sysv_fill_super, + mnt); } -static struct super_block *v7_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int v7_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, v7_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, v7_fill_super, mnt); } static struct file_system_type sysv_fs_type = { diff --git a/fs/udf/super.c b/fs/udf/super.c index e45789f..44fe2cb 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -91,13 +91,13 @@ static void udf_load_partdesc(struct super_block *, struct buffer_head *); static void udf_open_lvid(struct super_block *); static void udf_close_lvid(struct super_block *); static unsigned int udf_count_free(struct super_block *); -static int udf_statfs(struct super_block *, struct kstatfs *); +static int udf_statfs(struct dentry *, struct kstatfs *); /* UDF filesystem type */ -static struct super_block *udf_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int udf_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, udf_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, udf_fill_super, mnt); } static struct file_system_type udf_fstype = { @@ -1779,8 +1779,10 @@ udf_put_super(struct super_block *sb) * Written, tested, and released. */ static int -udf_statfs(struct super_block *sb, struct kstatfs *buf) +udf_statfs(struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; + buf->f_type = UDF_SUPER_MAGIC; buf->f_bsize = sb->s_blocksize; buf->f_blocks = UDF_SB_PARTLEN(sb, UDF_SB_PARTITION(sb)); diff --git a/fs/ufs/super.c b/fs/ufs/super.c index db98a4c..fe5ab2a 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -1113,8 +1113,9 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) return 0; } -static int ufs_statfs (struct super_block *sb, struct kstatfs *buf) +static int ufs_statfs (struct dentry *dentry, struct kstatfs *buf) { + struct super_block *sb = dentry->d_sb; struct ufs_sb_private_info * uspi; struct ufs_super_block_first * usb1; struct ufs_super_block * usb; @@ -1311,10 +1312,10 @@ out: #endif -static struct super_block *ufs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int ufs_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, ufs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, ufs_fill_super, mnt); } static struct file_system_type ufs_fs_type = { diff --git a/fs/vfat/namei.c b/fs/vfat/namei.c index a56cec3..9a8f48b 100644 --- a/fs/vfat/namei.c +++ b/fs/vfat/namei.c @@ -1023,11 +1023,12 @@ static int vfat_fill_super(struct super_block *sb, void *data, int silent) return 0; } -static struct super_block *vfat_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data) +static int vfat_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data, struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, vfat_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, vfat_fill_super, + mnt); } static struct file_system_type vfat_fs_type = { diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig index bac27d6..26b364c 100644 --- a/fs/xfs/Kconfig +++ b/fs/xfs/Kconfig @@ -1,6 +1,5 @@ config XFS_FS tristate "XFS filesystem support" - select EXPORTFS if NFSD!=n help XFS is a high performance journaling filesystem which originated on the SGI IRIX platform. It is completely multi-threaded, can @@ -18,11 +17,6 @@ config XFS_FS system of your root partition is compiled as a module, you'll need to use an initial ramdisk (initrd) to boot. -config XFS_EXPORT - bool - depends on XFS_FS && EXPORTFS - default y - config XFS_QUOTA bool "XFS Quota support" depends on XFS_FS @@ -65,18 +59,19 @@ config XFS_POSIX_ACL If you don't know what Access Control Lists are, say N. config XFS_RT - bool "XFS Realtime support (EXPERIMENTAL)" - depends on XFS_FS && EXPERIMENTAL + bool "XFS Realtime subvolume support" + depends on XFS_FS help If you say Y here you will be able to mount and use XFS filesystems - which contain a realtime subvolume. The realtime subvolume is a - separate area of disk space where only file data is stored. The - realtime subvolume is designed to provide very deterministic - data rates suitable for media streaming applications. - - See the xfs man page in section 5 for a bit more information. + which contain a realtime subvolume. The realtime subvolume is a + separate area of disk space where only file data is stored. It was + originally designed to provide deterministic data rates suitable + for media streaming applications, but is also useful as a generic + mechanism for ensuring data and metadata/log I/Os are completely + separated. Regular file I/Os are isolated to a separate device + from all other requests, and this can be done quite transparently + to applications via the inherit-realtime directory inode flag. - This feature is unsupported at this time, is not yet fully - functional, and may cause serious problems. + See the xfs man page in section 5 for additional information. If unsure, say N. diff --git a/fs/xfs/Makefile-linux-2.6 b/fs/xfs/Makefile-linux-2.6 index 5d73eaa..9e7f859 100644 --- a/fs/xfs/Makefile-linux-2.6 +++ b/fs/xfs/Makefile-linux-2.6 @@ -59,7 +59,6 @@ xfs-$(CONFIG_XFS_POSIX_ACL) += xfs_acl.o xfs-$(CONFIG_PROC_FS) += $(XFS_LINUX)/xfs_stats.o xfs-$(CONFIG_SYSCTL) += $(XFS_LINUX)/xfs_sysctl.o xfs-$(CONFIG_COMPAT) += $(XFS_LINUX)/xfs_ioctl32.o -xfs-$(CONFIG_XFS_EXPORT) += $(XFS_LINUX)/xfs_export.o xfs-y += xfs_alloc.o \ @@ -73,14 +72,12 @@ xfs-y += xfs_alloc.o \ xfs_btree.o \ xfs_buf_item.o \ xfs_da_btree.o \ - xfs_dir.o \ xfs_dir2.o \ xfs_dir2_block.o \ xfs_dir2_data.o \ xfs_dir2_leaf.o \ xfs_dir2_node.o \ xfs_dir2_sf.o \ - xfs_dir_leaf.o \ xfs_error.o \ xfs_extfree_item.o \ xfs_fsops.o \ @@ -117,6 +114,7 @@ xfs-y += $(addprefix $(XFS_LINUX)/, \ kmem.o \ xfs_aops.o \ xfs_buf.o \ + xfs_export.o \ xfs_file.o \ xfs_fs_subr.o \ xfs_globals.o \ diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h index 2cfd33d..939bd84 100644 --- a/fs/xfs/linux-2.6/kmem.h +++ b/fs/xfs/linux-2.6/kmem.h @@ -23,42 +23,6 @@ #include <linux/mm.h> /* - * Process flags handling - */ - -#define PFLAGS_TEST_NOIO() (current->flags & PF_NOIO) -#define PFLAGS_TEST_FSTRANS() (current->flags & PF_FSTRANS) - -#define PFLAGS_SET_NOIO() do { \ - current->flags |= PF_NOIO; \ -} while (0) - -#define PFLAGS_CLEAR_NOIO() do { \ - current->flags &= ~PF_NOIO; \ -} while (0) - -/* these could be nested, so we save state */ -#define PFLAGS_SET_FSTRANS(STATEP) do { \ - *(STATEP) = current->flags; \ - current->flags |= PF_FSTRANS; \ -} while (0) - -#define PFLAGS_CLEAR_FSTRANS(STATEP) do { \ - *(STATEP) = current->flags; \ - current->flags &= ~PF_FSTRANS; \ -} while (0) - -/* Restore the PF_FSTRANS state to what was saved in STATEP */ -#define PFLAGS_RESTORE_FSTRANS(STATEP) do { \ - current->flags = ((current->flags & ~PF_FSTRANS) | \ - (*(STATEP) & PF_FSTRANS)); \ -} while (0) - -#define PFLAGS_DUP(OSTATEP, NSTATEP) do { \ - *(NSTATEP) = *(OSTATEP); \ -} while (0) - -/* * General memory allocation interfaces */ @@ -83,7 +47,7 @@ kmem_flags_convert(unsigned int __nocast flags) lflags = GFP_ATOMIC | __GFP_NOWARN; } else { lflags = GFP_KERNEL | __GFP_NOWARN; - if (PFLAGS_TEST_FSTRANS() || (flags & KM_NOFS)) + if ((current->flags & PF_FSTRANS) || (flags & KM_NOFS)) lflags &= ~__GFP_FS; } return lflags; diff --git a/fs/xfs/linux-2.6/mrlock.h b/fs/xfs/linux-2.6/mrlock.h index 1b262b7..32e1ce0 100644 --- a/fs/xfs/linux-2.6/mrlock.h +++ b/fs/xfs/linux-2.6/mrlock.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -28,7 +28,7 @@ typedef struct { } mrlock_t; #define mrinit(mrp, name) \ - ( (mrp)->mr_writer = 0, init_rwsem(&(mrp)->mr_lock) ) + do { (mrp)->mr_writer = 0; init_rwsem(&(mrp)->mr_lock); } while (0) #define mrlock_init(mrp, t,n,s) mrinit(mrp, n) #define mrfree(mrp) do { } while (0) #define mraccess(mrp) mraccessf(mrp, 0) diff --git a/fs/xfs/linux-2.6/sema.h b/fs/xfs/linux-2.6/sema.h index 194a844..b250900 100644 --- a/fs/xfs/linux-2.6/sema.h +++ b/fs/xfs/linux-2.6/sema.h @@ -34,20 +34,21 @@ typedef struct semaphore sema_t; #define initnsema(sp, val, name) sema_init(sp, val) #define psema(sp, b) down(sp) #define vsema(sp) up(sp) -#define valusema(sp) (atomic_read(&(sp)->count)) -#define freesema(sema) +#define freesema(sema) do { } while (0) + +static inline int issemalocked(sema_t *sp) +{ + return down_trylock(sp) || (up(sp), 0); +} /* * Map cpsema (try to get the sema) to down_trylock. We need to switch * the return values since cpsema returns 1 (acquired) 0 (failed) and * down_trylock returns the reverse 0 (acquired) 1 (failed). */ - -#define cpsema(sp) (down_trylock(sp) ? 0 : 1) - -/* - * Didn't do cvsema(sp). Not sure how to map this to up/down/... - * It does a vsema if the values is < 0 other wise nothing. - */ +static inline int cpsema(sema_t *sp) +{ + return down_trylock(sp) ? 0 : 1; +} #endif /* __XFS_SUPPORT_SEMA_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 4d191ef..3e807b8 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -21,7 +21,6 @@ #include "xfs_inum.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_trans.h" #include "xfs_dmapi.h" @@ -29,7 +28,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -76,7 +74,7 @@ xfs_page_trace( int mask) { xfs_inode_t *ip; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); loff_t isize = i_size_read(inode); loff_t offset = page_offset(page); int delalloc = -1, unmapped = -1, unwritten = -1; @@ -136,9 +134,10 @@ xfs_destroy_ioend( for (bh = ioend->io_buffer_head; bh; bh = next) { next = bh->b_private; - bh->b_end_io(bh, ioend->io_uptodate); + bh->b_end_io(bh, !ioend->io_error); } - + if (unlikely(ioend->io_error)) + vn_ioerror(ioend->io_vnode, ioend->io_error, __FILE__,__LINE__); vn_iowake(ioend->io_vnode); mempool_free(ioend, xfs_ioend_pool); } @@ -180,13 +179,12 @@ xfs_end_bio_unwritten( void *data) { xfs_ioend_t *ioend = data; - vnode_t *vp = ioend->io_vnode; + bhv_vnode_t *vp = ioend->io_vnode; xfs_off_t offset = ioend->io_offset; size_t size = ioend->io_size; - int error; - if (ioend->io_uptodate) - VOP_BMAP(vp, offset, size, BMAPI_UNWRITTEN, NULL, NULL, error); + if (likely(!ioend->io_error)) + bhv_vop_bmap(vp, offset, size, BMAPI_UNWRITTEN, NULL, NULL); xfs_destroy_ioend(ioend); } @@ -211,7 +209,7 @@ xfs_alloc_ioend( * all the I/O from calling the completion routine too early. */ atomic_set(&ioend->io_remaining, 1); - ioend->io_uptodate = 1; /* cleared if any I/O fails */ + ioend->io_error = 0; ioend->io_list = NULL; ioend->io_type = type; ioend->io_vnode = vn_from_inode(inode); @@ -239,10 +237,10 @@ xfs_map_blocks( xfs_iomap_t *mapp, int flags) { - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); int error, nmaps = 1; - VOP_BMAP(vp, offset, count, flags, mapp, &nmaps, error); + error = bhv_vop_bmap(vp, offset, count, flags, mapp, &nmaps); if (!error && (flags & (BMAPI_WRITE|BMAPI_ALLOCATE))) VMODIFY(vp); return -error; @@ -271,16 +269,14 @@ xfs_end_bio( if (bio->bi_size) return 1; - ASSERT(ioend); ASSERT(atomic_read(&bio->bi_cnt) >= 1); + ioend->io_error = test_bit(BIO_UPTODATE, &bio->bi_flags) ? 0 : error; /* Toss bio and pass work off to an xfsdatad thread */ - if (!test_bit(BIO_UPTODATE, &bio->bi_flags)) - ioend->io_uptodate = 0; bio->bi_private = NULL; bio->bi_end_io = NULL; - bio_put(bio); + xfs_finish_ioend(ioend); return 0; } @@ -1127,7 +1123,7 @@ xfs_vm_writepage( * then mark the page dirty again and leave the page * as is. */ - if (PFLAGS_TEST_FSTRANS() && need_trans) + if (current_test_flags(PF_FSTRANS) && need_trans) goto out_fail; /* @@ -1158,6 +1154,18 @@ out_unlock: return error; } +STATIC int +xfs_vm_writepages( + struct address_space *mapping, + struct writeback_control *wbc) +{ + struct bhv_vnode *vp = vn_from_inode(mapping->host); + + if (VN_TRUNC(vp)) + VUNTRUNCATE(vp); + return generic_writepages(mapping, wbc); +} + /* * Called to move a page into cleanable state - and from there * to be released. Possibly the page is already clean. We always @@ -1204,7 +1212,7 @@ xfs_vm_releasepage( /* If we are already inside a transaction or the thread cannot * do I/O, we cannot release this page. */ - if (PFLAGS_TEST_FSTRANS()) + if (current_test_flags(PF_FSTRANS)) return 0; /* @@ -1231,7 +1239,7 @@ __xfs_get_blocks( int direct, bmapi_flags_t flags) { - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); xfs_iomap_t iomap; xfs_off_t offset; ssize_t size; @@ -1241,8 +1249,8 @@ __xfs_get_blocks( offset = (xfs_off_t)iblock << inode->i_blkbits; ASSERT(bh_result->b_size >= (1 << inode->i_blkbits)); size = bh_result->b_size; - VOP_BMAP(vp, offset, size, - create ? flags : BMAPI_READ, &iomap, &niomap, error); + error = bhv_vop_bmap(vp, offset, size, + create ? flags : BMAPI_READ, &iomap, &niomap); if (error) return -error; if (niomap == 0) @@ -1370,13 +1378,13 @@ xfs_vm_direct_IO( { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); xfs_iomap_t iomap; int maps = 1; int error; ssize_t ret; - VOP_BMAP(vp, offset, 0, BMAPI_DEVICE, &iomap, &maps, error); + error = bhv_vop_bmap(vp, offset, 0, BMAPI_DEVICE, &iomap, &maps); if (error) return -error; @@ -1409,14 +1417,12 @@ xfs_vm_bmap( sector_t block) { struct inode *inode = (struct inode *)mapping->host; - vnode_t *vp = vn_from_inode(inode); - int error; + bhv_vnode_t *vp = vn_from_inode(inode); vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); - - VOP_RWLOCK(vp, VRWLOCK_READ); - VOP_FLUSH_PAGES(vp, (xfs_off_t)0, -1, 0, FI_REMAPF, error); - VOP_RWUNLOCK(vp, VRWLOCK_READ); + bhv_vop_rwlock(vp, VRWLOCK_READ); + bhv_vop_flush_pages(vp, (xfs_off_t)0, -1, 0, FI_REMAPF); + bhv_vop_rwunlock(vp, VRWLOCK_READ); return generic_block_bmap(mapping, block, xfs_get_blocks); } @@ -1452,6 +1458,7 @@ struct address_space_operations xfs_address_space_operations = { .readpage = xfs_vm_readpage, .readpages = xfs_vm_readpages, .writepage = xfs_vm_writepage, + .writepages = xfs_vm_writepages, .sync_page = block_sync_page, .releasepage = xfs_vm_releasepage, .invalidatepage = xfs_vm_invalidatepage, diff --git a/fs/xfs/linux-2.6/xfs_aops.h b/fs/xfs/linux-2.6/xfs_aops.h index 6071654..706d8c7 100644 --- a/fs/xfs/linux-2.6/xfs_aops.h +++ b/fs/xfs/linux-2.6/xfs_aops.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005 Silicon Graphics, Inc. + * Copyright (c) 2005-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -30,9 +30,9 @@ typedef void (*xfs_ioend_func_t)(void *); typedef struct xfs_ioend { struct xfs_ioend *io_list; /* next ioend in chain */ unsigned int io_type; /* delalloc / unwritten */ - unsigned int io_uptodate; /* I/O status register */ + int io_error; /* I/O error code */ atomic_t io_remaining; /* hold count */ - struct vnode *io_vnode; /* file being written to */ + struct bhv_vnode *io_vnode; /* file being written to */ struct buffer_head *io_buffer_head;/* buffer linked list head */ struct buffer_head *io_buffer_tail;/* buffer linked list tail */ size_t io_size; /* size of the extent */ @@ -43,4 +43,4 @@ typedef struct xfs_ioend { extern struct address_space_operations xfs_address_space_operations; extern int xfs_get_blocks(struct inode *, sector_t, struct buffer_head *, int); -#endif /* __XFS_IOPS_H__ */ +#endif /* __XFS_AOPS_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index b768ea9..5fb75d9 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -21,7 +21,6 @@ #include "xfs_log.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_mount.h" #include "xfs_export.h" @@ -97,7 +96,7 @@ xfs_fs_encode_fh( int len; int is64 = 0; #if XFS_BIG_INUMS - vfs_t *vfs = vfs_from_sb(inode->i_sb); + bhv_vfs_t *vfs = vfs_from_sb(inode->i_sb); if (!(vfs->vfs_flag & VFS_32BITINODES)) { /* filesystem may contain 64bit inode numbers */ @@ -136,13 +135,13 @@ xfs_fs_get_dentry( struct super_block *sb, void *data) { - vnode_t *vp; + bhv_vnode_t *vp; struct inode *inode; struct dentry *result; - vfs_t *vfsp = vfs_from_sb(sb); + bhv_vfs_t *vfsp = vfs_from_sb(sb); int error; - VFS_VGET(vfsp, &vp, (fid_t *)data, error); + error = bhv_vfs_vget(vfsp, &vp, (fid_t *)data); if (error || vp == NULL) return ERR_PTR(-ESTALE) ; @@ -160,12 +159,12 @@ xfs_fs_get_parent( struct dentry *child) { int error; - vnode_t *vp, *cvp; + bhv_vnode_t *vp, *cvp; struct dentry *parent; cvp = NULL; vp = vn_from_inode(child->d_inode); - VOP_LOOKUP(vp, &dotdot, &cvp, 0, NULL, NULL, error); + error = bhv_vop_lookup(vp, &dotdot, &cvp, 0, NULL, NULL); if (unlikely(error)) return ERR_PTR(-error); diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index c847416..7066237 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -21,7 +21,6 @@ #include "xfs_inum.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_trans.h" #include "xfs_dmapi.h" @@ -32,7 +31,6 @@ #include "xfs_alloc.h" #include "xfs_btree.h" #include "xfs_attr_sf.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" @@ -58,15 +56,12 @@ __xfs_file_read( { struct iovec iov = {buf, count}; struct file *file = iocb->ki_filp; - vnode_t *vp = vn_from_inode(file->f_dentry->d_inode); - ssize_t rval; + bhv_vnode_t *vp = vn_from_inode(file->f_dentry->d_inode); BUG_ON(iocb->ki_pos != pos); - if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - VOP_READ(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL, rval); - return rval; + return bhv_vop_read(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL); } STATIC ssize_t @@ -100,15 +95,12 @@ __xfs_file_write( struct iovec iov = {(void __user *)buf, count}; struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; - vnode_t *vp = vn_from_inode(inode); - ssize_t rval; + bhv_vnode_t *vp = vn_from_inode(inode); BUG_ON(iocb->ki_pos != pos); if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - - VOP_WRITE(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL, rval); - return rval; + return bhv_vop_write(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL); } STATIC ssize_t @@ -140,7 +132,7 @@ __xfs_file_readv( loff_t *ppos) { struct inode *inode = file->f_mapping->host; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); struct kiocb kiocb; ssize_t rval; @@ -149,7 +141,8 @@ __xfs_file_readv( if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - VOP_READ(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval); + rval = bhv_vop_read(vp, &kiocb, iov, nr_segs, + &kiocb.ki_pos, ioflags, NULL); *ppos = kiocb.ki_pos; return rval; @@ -184,7 +177,7 @@ __xfs_file_writev( loff_t *ppos) { struct inode *inode = file->f_mapping->host; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); struct kiocb kiocb; ssize_t rval; @@ -193,7 +186,8 @@ __xfs_file_writev( if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - VOP_WRITE(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval); + rval = bhv_vop_write(vp, &kiocb, iov, nr_segs, + &kiocb.ki_pos, ioflags, NULL); *ppos = kiocb.ki_pos; return rval; @@ -227,11 +221,8 @@ xfs_file_sendfile( read_actor_t actor, void *target) { - vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); - ssize_t rval; - - VOP_SENDFILE(vp, filp, pos, 0, count, actor, target, NULL, rval); - return rval; + return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode), + filp, pos, 0, count, actor, target, NULL); } STATIC ssize_t @@ -242,11 +233,8 @@ xfs_file_sendfile_invis( read_actor_t actor, void *target) { - vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); - ssize_t rval; - - VOP_SENDFILE(vp, filp, pos, IO_INVIS, count, actor, target, NULL, rval); - return rval; + return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode), + filp, pos, IO_INVIS, count, actor, target, NULL); } STATIC ssize_t @@ -257,11 +245,8 @@ xfs_file_splice_read( size_t len, unsigned int flags) { - vnode_t *vp = vn_from_inode(infilp->f_dentry->d_inode); - ssize_t rval; - - VOP_SPLICE_READ(vp, infilp, ppos, pipe, len, flags, 0, NULL, rval); - return rval; + return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode), + infilp, ppos, pipe, len, flags, 0, NULL); } STATIC ssize_t @@ -272,11 +257,9 @@ xfs_file_splice_read_invis( size_t len, unsigned int flags) { - vnode_t *vp = vn_from_inode(infilp->f_dentry->d_inode); - ssize_t rval; - - VOP_SPLICE_READ(vp, infilp, ppos, pipe, len, flags, IO_INVIS, NULL, rval); - return rval; + return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode), + infilp, ppos, pipe, len, flags, IO_INVIS, + NULL); } STATIC ssize_t @@ -287,11 +270,8 @@ xfs_file_splice_write( size_t len, unsigned int flags) { - vnode_t *vp = vn_from_inode(outfilp->f_dentry->d_inode); - ssize_t rval; - - VOP_SPLICE_WRITE(vp, pipe, outfilp, ppos, len, flags, 0, NULL, rval); - return rval; + return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode), + pipe, outfilp, ppos, len, flags, 0, NULL); } STATIC ssize_t @@ -302,11 +282,9 @@ xfs_file_splice_write_invis( size_t len, unsigned int flags) { - vnode_t *vp = vn_from_inode(outfilp->f_dentry->d_inode); - ssize_t rval; - - VOP_SPLICE_WRITE(vp, pipe, outfilp, ppos, len, flags, IO_INVIS, NULL, rval); - return rval; + return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode), + pipe, outfilp, ppos, len, flags, IO_INVIS, + NULL); } STATIC int @@ -314,13 +292,17 @@ xfs_file_open( struct inode *inode, struct file *filp) { - vnode_t *vp = vn_from_inode(inode); - int error; - if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) return -EFBIG; - VOP_OPEN(vp, NULL, error); - return -error; + return -bhv_vop_open(vn_from_inode(inode), NULL); +} + +STATIC int +xfs_file_close( + struct file *filp) +{ + return -bhv_vop_close(vn_from_inode(filp->f_dentry->d_inode), 0, + file_count(filp) > 1 ? L_FALSE : L_TRUE, NULL); } STATIC int @@ -328,12 +310,11 @@ xfs_file_release( struct inode *inode, struct file *filp) { - vnode_t *vp = vn_from_inode(inode); - int error = 0; + bhv_vnode_t *vp = vn_from_inode(inode); if (vp) - VOP_RELEASE(vp, error); - return -error; + return -bhv_vop_release(vp); + return 0; } STATIC int @@ -342,15 +323,14 @@ xfs_file_fsync( struct dentry *dentry, int datasync) { - struct inode *inode = dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); - int error; + bhv_vnode_t *vp = vn_from_inode(dentry->d_inode); int flags = FSYNC_WAIT; if (datasync) flags |= FSYNC_DATA; - VOP_FSYNC(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1, error); - return -error; + if (VN_TRUNC(vp)) + VUNTRUNCATE(vp); + return -bhv_vop_fsync(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1); } #ifdef CONFIG_XFS_DMAPI @@ -361,16 +341,11 @@ xfs_vm_nopage( int *type) { struct inode *inode = area->vm_file->f_dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); - xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); - int error; + bhv_vnode_t *vp = vn_from_inode(inode); ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI); - - error = XFS_SEND_MMAP(mp, area, 0); - if (error) + if (XFS_SEND_MMAP(XFS_VFSTOM(vp->v_vfsp), area, 0)) return NULL; - return filemap_nopage(area, address, type); } #endif /* CONFIG_XFS_DMAPI */ @@ -382,7 +357,7 @@ xfs_file_readdir( filldir_t filldir) { int error = 0; - vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); + bhv_vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); uio_t uio; iovec_t iov; int eof = 0; @@ -417,7 +392,7 @@ xfs_file_readdir( start_offset = uio.uio_offset; - VOP_READDIR(vp, &uio, NULL, &eof, error); + error = bhv_vop_readdir(vp, &uio, NULL, &eof); if ((uio.uio_offset == start_offset) || error) { size = 0; break; @@ -456,38 +431,28 @@ xfs_file_mmap( struct file *filp, struct vm_area_struct *vma) { - struct inode *ip = filp->f_dentry->d_inode; - vnode_t *vp = vn_from_inode(ip); - vattr_t vattr; - int error; - vma->vm_ops = &xfs_file_vm_ops; #ifdef CONFIG_XFS_DMAPI - if (vp->v_vfsp->vfs_flag & VFS_DMI) { + if (vn_from_inode(filp->f_dentry->d_inode)->v_vfsp->vfs_flag & VFS_DMI) vma->vm_ops = &xfs_dmapi_file_vm_ops; - } #endif /* CONFIG_XFS_DMAPI */ - vattr.va_mask = XFS_AT_UPDATIME; - VOP_SETATTR(vp, &vattr, XFS_AT_UPDATIME, NULL, error); - if (likely(!error)) - __vn_revalidate(vp, &vattr); /* update flags */ + file_accessed(filp); return 0; } - STATIC long xfs_file_ioctl( struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long p) { int error; struct inode *inode = filp->f_dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); - VOP_IOCTL(vp, inode, filp, 0, cmd, (void __user *)arg, error); + error = bhv_vop_ioctl(vp, inode, filp, 0, cmd, (void __user *)p); VMODIFY(vp); /* NOTE: some of the ioctl's return positive #'s as a @@ -503,13 +468,13 @@ STATIC long xfs_file_ioctl_invis( struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long p) { - struct inode *inode = filp->f_dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); int error; + struct inode *inode = filp->f_dentry->d_inode; + bhv_vnode_t *vp = vn_from_inode(inode); - VOP_IOCTL(vp, inode, filp, IO_INVIS, cmd, (void __user *)arg, error); + error = bhv_vop_ioctl(vp, inode, filp, IO_INVIS, cmd, (void __user *)p); VMODIFY(vp); /* NOTE: some of the ioctl's return positive #'s as a @@ -528,7 +493,7 @@ xfs_vm_mprotect( struct vm_area_struct *vma, unsigned int newflags) { - vnode_t *vp = vn_from_inode(vma->vm_file->f_dentry->d_inode); + bhv_vnode_t *vp = vn_from_inode(vma->vm_file->f_dentry->d_inode); int error = 0; if (vp->v_vfsp->vfs_flag & VFS_DMI) { @@ -554,24 +519,19 @@ STATIC int xfs_file_open_exec( struct inode *inode) { - vnode_t *vp = vn_from_inode(inode); - xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); - int error = 0; - xfs_inode_t *ip; + bhv_vnode_t *vp = vn_from_inode(inode); - if (vp->v_vfsp->vfs_flag & VFS_DMI) { - ip = xfs_vtoi(vp); - if (!ip) { - error = -EINVAL; - goto open_exec_out; - } - if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)) { - error = -XFS_SEND_DATA(mp, DM_EVENT_READ, vp, + if (unlikely(vp->v_vfsp->vfs_flag & VFS_DMI)) { + xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); + xfs_inode_t *ip = xfs_vtoi(vp); + + if (!ip) + return -EINVAL; + if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)) + return -XFS_SEND_DATA(mp, DM_EVENT_READ, vp, 0, 0, 0, NULL); - } } -open_exec_out: - return error; + return 0; } #endif /* HAVE_FOP_OPEN_EXEC */ @@ -592,6 +552,7 @@ const struct file_operations xfs_file_operations = { #endif .mmap = xfs_file_mmap, .open = xfs_file_open, + .flush = xfs_file_close, .release = xfs_file_release, .fsync = xfs_file_fsync, #ifdef HAVE_FOP_OPEN_EXEC @@ -616,6 +577,7 @@ const struct file_operations xfs_invis_file_operations = { #endif .mmap = xfs_file_mmap, .open = xfs_file_open, + .flush = xfs_file_close, .release = xfs_file_release, .fsync = xfs_file_fsync, }; diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/linux-2.6/xfs_fs_subr.c index 575f2a7..dc05628 100644 --- a/fs/xfs/linux-2.6/xfs_fs_subr.c +++ b/fs/xfs/linux-2.6/xfs_fs_subr.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2002,2005-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -15,40 +15,12 @@ * along with this program; if not, write the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - #include "xfs.h" -/* - * Stub for no-op vnode operations that return error status. - */ -int -fs_noerr(void) -{ - return 0; -} +int fs_noerr(void) { return 0; } +int fs_nosys(void) { return ENOSYS; } +void fs_noval(void) { return; } -/* - * Operation unsupported under this file system. - */ -int -fs_nosys(void) -{ - return ENOSYS; -} - -/* - * Stub for inactive, strategy, and read/write lock/unlock. Does nothing. - */ -/* ARGSUSED */ -void -fs_noval(void) -{ -} - -/* - * vnode pcache layer for vnode_tosspages. - * 'last' parameter unused but left in for IRIX compatibility - */ void fs_tosspages( bhv_desc_t *bdp, @@ -56,18 +28,13 @@ fs_tosspages( xfs_off_t last, int fiopt) { - vnode_t *vp = BHV_TO_VNODE(bdp); + bhv_vnode_t *vp = BHV_TO_VNODE(bdp); struct inode *ip = vn_to_inode(vp); if (VN_CACHED(vp)) truncate_inode_pages(ip->i_mapping, first); } - -/* - * vnode pcache layer for vnode_flushinval_pages. - * 'last' parameter unused but left in for IRIX compatibility - */ void fs_flushinval_pages( bhv_desc_t *bdp, @@ -75,20 +42,17 @@ fs_flushinval_pages( xfs_off_t last, int fiopt) { - vnode_t *vp = BHV_TO_VNODE(bdp); + bhv_vnode_t *vp = BHV_TO_VNODE(bdp); struct inode *ip = vn_to_inode(vp); if (VN_CACHED(vp)) { + if (VN_TRUNC(vp)) + VUNTRUNCATE(vp); filemap_write_and_wait(ip->i_mapping); - truncate_inode_pages(ip->i_mapping, first); } } -/* - * vnode pcache layer for vnode_flush_pages. - * 'last' parameter unused but left in for IRIX compatibility - */ int fs_flush_pages( bhv_desc_t *bdp, @@ -97,15 +61,16 @@ fs_flush_pages( uint64_t flags, int fiopt) { - vnode_t *vp = BHV_TO_VNODE(bdp); + bhv_vnode_t *vp = BHV_TO_VNODE(bdp); struct inode *ip = vn_to_inode(vp); - if (VN_CACHED(vp)) { + if (VN_DIRTY(vp)) { + if (VN_TRUNC(vp)) + VUNTRUNCATE(vp); filemap_fdatawrite(ip->i_mapping); if (flags & XFS_B_ASYNC) return 0; filemap_fdatawait(ip->i_mapping); } - return 0; } diff --git a/fs/xfs/linux-2.6/xfs_globals.c b/fs/xfs/linux-2.6/xfs_globals.c index 6e8085f..6c162c3 100644 --- a/fs/xfs/linux-2.6/xfs_globals.c +++ b/fs/xfs/linux-2.6/xfs_globals.c @@ -45,6 +45,7 @@ xfs_param_t xfs_params = { .xfs_buf_age = { 1*100, 15*100, 7200*100}, .inherit_nosym = { 0, 0, 1 }, .rotorstep = { 1, 1, 255 }, + .inherit_nodfrg = { 0, 1, 1 }, }; /* diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 8447849..6e52a5d 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -31,7 +30,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_attr_sf.h" #include "xfs_dir2_sf.h" #include "xfs_dinode.h" @@ -78,7 +76,7 @@ xfs_find_handle( xfs_handle_t handle; xfs_fsop_handlereq_t hreq; struct inode *inode; - struct vnode *vp; + bhv_vnode_t *vp; if (copy_from_user(&hreq, arg, sizeof(hreq))) return -XFS_ERROR(EFAULT); @@ -192,7 +190,7 @@ xfs_vget_fsop_handlereq( xfs_mount_t *mp, struct inode *parinode, /* parent inode pointer */ xfs_fsop_handlereq_t *hreq, - vnode_t **vp, + bhv_vnode_t **vp, struct inode **inode) { void __user *hanp; @@ -202,7 +200,7 @@ xfs_vget_fsop_handlereq( xfs_handle_t handle; xfs_inode_t *ip; struct inode *inodep; - vnode_t *vpp; + bhv_vnode_t *vpp; xfs_ino_t ino; __u32 igen; int error; @@ -277,7 +275,7 @@ xfs_open_by_handle( struct file *filp; struct inode *inode; struct dentry *dentry; - vnode_t *vp; + bhv_vnode_t *vp; xfs_fsop_handlereq_t hreq; if (!capable(CAP_SYS_ADMIN)) @@ -362,7 +360,7 @@ xfs_readlink_by_handle( struct uio auio; struct inode *inode; xfs_fsop_handlereq_t hreq; - vnode_t *vp; + bhv_vnode_t *vp; __u32 olen; if (!capable(CAP_SYS_ADMIN)) @@ -393,9 +391,11 @@ xfs_readlink_by_handle( auio.uio_segflg = UIO_USERSPACE; auio.uio_resid = olen; - VOP_READLINK(vp, &auio, IO_INVIS, NULL, error); - + error = bhv_vop_readlink(vp, &auio, IO_INVIS, NULL); VN_RELE(vp); + if (error) + return -error; + return (olen - auio.uio_resid); } @@ -411,7 +411,7 @@ xfs_fssetdm_by_handle( xfs_fsop_setdm_handlereq_t dmhreq; struct inode *inode; bhv_desc_t *bdp; - vnode_t *vp; + bhv_vnode_t *vp; if (!capable(CAP_MKNOD)) return -XFS_ERROR(EPERM); @@ -452,7 +452,7 @@ xfs_attrlist_by_handle( attrlist_cursor_kern_t *cursor; xfs_fsop_attrlist_handlereq_t al_hreq; struct inode *inode; - vnode_t *vp; + bhv_vnode_t *vp; char *kbuf; if (!capable(CAP_SYS_ADMIN)) @@ -472,8 +472,8 @@ xfs_attrlist_by_handle( goto out_vn_rele; cursor = (attrlist_cursor_kern_t *)&al_hreq.pos; - VOP_ATTR_LIST(vp, kbuf, al_hreq.buflen, al_hreq.flags, - cursor, NULL, error); + error = bhv_vop_attr_list(vp, kbuf, al_hreq.buflen, al_hreq.flags, + cursor, NULL); if (error) goto out_kfree; @@ -490,7 +490,7 @@ xfs_attrlist_by_handle( STATIC int xfs_attrmulti_attr_get( - struct vnode *vp, + bhv_vnode_t *vp, char *name, char __user *ubuf, __uint32_t *len, @@ -505,7 +505,7 @@ xfs_attrmulti_attr_get( if (!kbuf) return ENOMEM; - VOP_ATTR_GET(vp, name, kbuf, len, flags, NULL, error); + error = bhv_vop_attr_get(vp, name, kbuf, len, flags, NULL); if (error) goto out_kfree; @@ -519,7 +519,7 @@ xfs_attrmulti_attr_get( STATIC int xfs_attrmulti_attr_set( - struct vnode *vp, + bhv_vnode_t *vp, char *name, const char __user *ubuf, __uint32_t len, @@ -542,7 +542,7 @@ xfs_attrmulti_attr_set( if (copy_from_user(kbuf, ubuf, len)) goto out_kfree; - VOP_ATTR_SET(vp, name, kbuf, len, flags, NULL, error); + error = bhv_vop_attr_set(vp, name, kbuf, len, flags, NULL); out_kfree: kfree(kbuf); @@ -551,20 +551,15 @@ xfs_attrmulti_attr_set( STATIC int xfs_attrmulti_attr_remove( - struct vnode *vp, + bhv_vnode_t *vp, char *name, __uint32_t flags) { - int error; - - if (IS_RDONLY(&vp->v_inode)) return -EROFS; if (IS_IMMUTABLE(&vp->v_inode) || IS_APPEND(&vp->v_inode)) return EPERM; - - VOP_ATTR_REMOVE(vp, name, flags, NULL, error); - return error; + return bhv_vop_attr_remove(vp, name, flags, NULL); } STATIC int @@ -578,7 +573,7 @@ xfs_attrmulti_by_handle( xfs_attr_multiop_t *ops; xfs_fsop_attrmulti_handlereq_t am_hreq; struct inode *inode; - vnode_t *vp; + bhv_vnode_t *vp; unsigned int i, size; char *attr_name; @@ -658,7 +653,7 @@ xfs_attrmulti_by_handle( STATIC int xfs_ioc_space( bhv_desc_t *bdp, - vnode_t *vp, + bhv_vnode_t *vp, struct file *filp, int flags, unsigned int cmd, @@ -682,7 +677,7 @@ xfs_ioc_fsgeometry( STATIC int xfs_ioc_xattr( - vnode_t *vp, + bhv_vnode_t *vp, xfs_inode_t *ip, struct file *filp, unsigned int cmd, @@ -711,7 +706,7 @@ xfs_ioctl( void __user *arg) { int error; - vnode_t *vp; + bhv_vnode_t *vp; xfs_inode_t *ip; xfs_mount_t *mp; @@ -962,7 +957,7 @@ xfs_ioctl( STATIC int xfs_ioc_space( bhv_desc_t *bdp, - vnode_t *vp, + bhv_vnode_t *vp, struct file *filp, int ioflags, unsigned int cmd, @@ -1153,14 +1148,14 @@ xfs_di2lxflags( STATIC int xfs_ioc_xattr( - vnode_t *vp, + bhv_vnode_t *vp, xfs_inode_t *ip, struct file *filp, unsigned int cmd, void __user *arg) { struct fsxattr fa; - struct vattr *vattr; + struct bhv_vattr *vattr; int error = 0; int attr_flags; unsigned int flags; @@ -1173,7 +1168,7 @@ xfs_ioc_xattr( case XFS_IOC_FSGETXATTR: { vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \ XFS_AT_NEXTENTS | XFS_AT_PROJID; - VOP_GETATTR(vp, vattr, 0, NULL, error); + error = bhv_vop_getattr(vp, vattr, 0, NULL); if (unlikely(error)) { error = -error; break; @@ -1206,7 +1201,7 @@ xfs_ioc_xattr( vattr->va_extsize = fa.fsx_extsize; vattr->va_projid = fa.fsx_projid; - VOP_SETATTR(vp, vattr, attr_flags, NULL, error); + error = bhv_vop_setattr(vp, vattr, attr_flags, NULL); if (likely(!error)) __vn_revalidate(vp, vattr); /* update flags */ error = -error; @@ -1216,7 +1211,7 @@ xfs_ioc_xattr( case XFS_IOC_FSGETXATTRA: { vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \ XFS_AT_ANEXTENTS | XFS_AT_PROJID; - VOP_GETATTR(vp, vattr, 0, NULL, error); + error = bhv_vop_getattr(vp, vattr, 0, NULL); if (unlikely(error)) { error = -error; break; @@ -1262,7 +1257,7 @@ xfs_ioc_xattr( vattr->va_xflags = xfs_merge_ioc_xflags(flags, xfs_ip2xflags(ip)); - VOP_SETATTR(vp, vattr, attr_flags, NULL, error); + error = bhv_vop_setattr(vp, vattr, attr_flags, NULL); if (likely(!error)) __vn_revalidate(vp, vattr); /* update flags */ error = -error; diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c index 251bfe4..601f01c 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl32.c +++ b/fs/xfs/linux-2.6/xfs_ioctl32.c @@ -114,7 +114,7 @@ xfs_compat_ioctl( unsigned long arg) { struct inode *inode = file->f_dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); int error; switch (cmd) { @@ -193,7 +193,7 @@ xfs_compat_ioctl( return -ENOIOCTLCMD; } - VOP_IOCTL(vp, inode, file, mode, cmd, (void __user *)arg, error); + error = bhv_vop_ioctl(vp, inode, file, mode, cmd, (void __user *)arg); VMODIFY(vp); return error; diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 2e2e275..12810ba 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -61,7 +59,7 @@ */ xfs_inode_t * xfs_vtoi( - struct vnode *vp) + bhv_vnode_t *vp) { bhv_desc_t *bdp; @@ -80,7 +78,7 @@ void xfs_synchronize_atime( xfs_inode_t *ip) { - vnode_t *vp; + bhv_vnode_t *vp; vp = XFS_ITOV_NULL(ip); if (vp) { @@ -200,14 +198,10 @@ xfs_ichgtime_fast( STATIC void xfs_validate_fields( struct inode *ip, - struct vattr *vattr) + bhv_vattr_t *vattr) { - vnode_t *vp = vn_from_inode(ip); - int error; - vattr->va_mask = XFS_AT_NLINK|XFS_AT_SIZE|XFS_AT_NBLOCKS; - VOP_GETATTR(vp, vattr, ATTR_LAZY, NULL, error); - if (likely(!error)) { + if (!bhv_vop_getattr(vn_from_inode(ip), vattr, ATTR_LAZY, NULL)) { ip->i_nlink = vattr->va_nlink; ip->i_blocks = vattr->va_nblocks; @@ -225,7 +219,7 @@ xfs_validate_fields( */ STATIC int xfs_init_security( - struct vnode *vp, + bhv_vnode_t *vp, struct inode *dir) { struct inode *ip = vn_to_inode(vp); @@ -241,7 +235,7 @@ xfs_init_security( return -error; } - VOP_ATTR_SET(vp, name, value, length, ATTR_SECURE, NULL, error); + error = bhv_vop_attr_set(vp, name, value, length, ATTR_SECURE, NULL); if (!error) VMODIFY(vp); @@ -264,13 +258,12 @@ xfs_has_fs_struct(struct task_struct *task) STATIC inline void xfs_cleanup_inode( - vnode_t *dvp, - vnode_t *vp, + bhv_vnode_t *dvp, + bhv_vnode_t *vp, struct dentry *dentry, int mode) { struct dentry teardown = {}; - int error; /* Oh, the horror. * If we can't add the ACL or we fail in @@ -281,9 +274,9 @@ xfs_cleanup_inode( teardown.d_name = dentry->d_name; if (S_ISDIR(mode)) - VOP_RMDIR(dvp, &teardown, NULL, error); + bhv_vop_rmdir(dvp, &teardown, NULL); else - VOP_REMOVE(dvp, &teardown, NULL, error); + bhv_vop_remove(dvp, &teardown, NULL); VN_RELE(vp); } @@ -295,8 +288,8 @@ xfs_vn_mknod( dev_t rdev) { struct inode *ip; - vattr_t vattr = { 0 }; - vnode_t *vp = NULL, *dvp = vn_from_inode(dir); + bhv_vattr_t vattr = { 0 }; + bhv_vnode_t *vp = NULL, *dvp = vn_from_inode(dir); xfs_acl_t *default_acl = NULL; attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS; int error; @@ -330,10 +323,10 @@ xfs_vn_mknod( vattr.va_mask |= XFS_AT_RDEV; /*FALLTHROUGH*/ case S_IFREG: - VOP_CREATE(dvp, dentry, &vattr, &vp, NULL, error); + error = bhv_vop_create(dvp, dentry, &vattr, &vp, NULL); break; case S_IFDIR: - VOP_MKDIR(dvp, dentry, &vattr, &vp, NULL, error); + error = bhv_vop_mkdir(dvp, dentry, &vattr, &vp, NULL); break; default: error = EINVAL; @@ -396,14 +389,14 @@ xfs_vn_lookup( struct dentry *dentry, struct nameidata *nd) { - struct vnode *vp = vn_from_inode(dir), *cvp; + bhv_vnode_t *vp = vn_from_inode(dir), *cvp; int error; if (dentry->d_name.len >= MAXNAMELEN) return ERR_PTR(-ENAMETOOLONG); - VOP_LOOKUP(vp, dentry, &cvp, 0, NULL, NULL, error); - if (error) { + error = bhv_vop_lookup(vp, dentry, &cvp, 0, NULL, NULL); + if (unlikely(error)) { if (unlikely(error != ENOENT)) return ERR_PTR(-error); d_add(dentry, NULL); @@ -420,9 +413,9 @@ xfs_vn_link( struct dentry *dentry) { struct inode *ip; /* inode of guy being linked to */ - vnode_t *tdvp; /* target directory for new name/link */ - vnode_t *vp; /* vp of name being linked */ - vattr_t vattr; + bhv_vnode_t *tdvp; /* target directory for new name/link */ + bhv_vnode_t *vp; /* vp of name being linked */ + bhv_vattr_t vattr; int error; ip = old_dentry->d_inode; /* inode being linked to */ @@ -432,7 +425,7 @@ xfs_vn_link( tdvp = vn_from_inode(dir); vp = vn_from_inode(ip); - VOP_LINK(tdvp, vp, dentry, NULL, error); + error = bhv_vop_link(tdvp, vp, dentry, NULL); if (likely(!error)) { VMODIFY(tdvp); VN_HOLD(vp); @@ -448,14 +441,14 @@ xfs_vn_unlink( struct dentry *dentry) { struct inode *inode; - vnode_t *dvp; /* directory containing name to remove */ - vattr_t vattr; + bhv_vnode_t *dvp; /* directory containing name to remove */ + bhv_vattr_t vattr; int error; inode = dentry->d_inode; dvp = vn_from_inode(dir); - VOP_REMOVE(dvp, dentry, NULL, error); + error = bhv_vop_remove(dvp, dentry, NULL); if (likely(!error)) { xfs_validate_fields(dir, &vattr); /* size needs update */ xfs_validate_fields(inode, &vattr); @@ -470,27 +463,26 @@ xfs_vn_symlink( const char *symname) { struct inode *ip; - vattr_t vattr = { 0 }; - vnode_t *dvp; /* directory containing name of symlink */ - vnode_t *cvp; /* used to lookup symlink to put in dentry */ + bhv_vattr_t va = { 0 }; + bhv_vnode_t *dvp; /* directory containing name of symlink */ + bhv_vnode_t *cvp; /* used to lookup symlink to put in dentry */ int error; dvp = vn_from_inode(dir); cvp = NULL; - vattr.va_mode = S_IFLNK | + va.va_mode = S_IFLNK | (irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO); - vattr.va_mask = XFS_AT_TYPE|XFS_AT_MODE; + va.va_mask = XFS_AT_TYPE|XFS_AT_MODE; - error = 0; - VOP_SYMLINK(dvp, dentry, &vattr, (char *)symname, &cvp, NULL, error); + error = bhv_vop_symlink(dvp, dentry, &va, (char *)symname, &cvp, NULL); if (likely(!error && cvp)) { error = xfs_init_security(cvp, dir); if (likely(!error)) { ip = vn_to_inode(cvp); d_instantiate(dentry, ip); - xfs_validate_fields(dir, &vattr); - xfs_validate_fields(ip, &vattr); + xfs_validate_fields(dir, &va); + xfs_validate_fields(ip, &va); } else { xfs_cleanup_inode(dvp, cvp, dentry, 0); } @@ -504,11 +496,11 @@ xfs_vn_rmdir( struct dentry *dentry) { struct inode *inode = dentry->d_inode; - vnode_t *dvp = vn_from_inode(dir); - vattr_t vattr; + bhv_vnode_t *dvp = vn_from_inode(dir); + bhv_vattr_t vattr; int error; - VOP_RMDIR(dvp, dentry, NULL, error); + error = bhv_vop_rmdir(dvp, dentry, NULL); if (likely(!error)) { xfs_validate_fields(inode, &vattr); xfs_validate_fields(dir, &vattr); @@ -524,15 +516,15 @@ xfs_vn_rename( struct dentry *ndentry) { struct inode *new_inode = ndentry->d_inode; - vnode_t *fvp; /* from directory */ - vnode_t *tvp; /* target directory */ - vattr_t vattr; + bhv_vnode_t *fvp; /* from directory */ + bhv_vnode_t *tvp; /* target directory */ + bhv_vattr_t vattr; int error; fvp = vn_from_inode(odir); tvp = vn_from_inode(ndir); - VOP_RENAME(fvp, odentry, tvp, ndentry, NULL, error); + error = bhv_vop_rename(fvp, odentry, tvp, ndentry, NULL); if (likely(!error)) { if (new_inode) xfs_validate_fields(new_inode, &vattr); @@ -553,7 +545,7 @@ xfs_vn_follow_link( struct dentry *dentry, struct nameidata *nd) { - vnode_t *vp; + bhv_vnode_t *vp; uio_t *uio; iovec_t iov; int error; @@ -586,8 +578,8 @@ xfs_vn_follow_link( uio->uio_resid = MAXPATHLEN; uio->uio_iovcnt = 1; - VOP_READLINK(vp, uio, 0, NULL, error); - if (error) { + error = bhv_vop_readlink(vp, uio, 0, NULL); + if (unlikely(error)) { kfree(link); link = ERR_PTR(-error); } else { @@ -618,12 +610,7 @@ xfs_vn_permission( int mode, struct nameidata *nd) { - vnode_t *vp = vn_from_inode(inode); - int error; - - mode <<= 6; /* convert from linux to vnode access bits */ - VOP_ACCESS(vp, mode, NULL, error); - return -error; + return -bhv_vop_access(vn_from_inode(inode), mode << 6, NULL); } #else #define xfs_vn_permission NULL @@ -636,14 +623,14 @@ xfs_vn_getattr( struct kstat *stat) { struct inode *inode = dentry->d_inode; - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); int error = 0; if (unlikely(vp->v_flag & VMODIFIED)) error = vn_revalidate(vp); if (!error) generic_fillattr(inode, stat); - return 0; + return -error; } STATIC int @@ -653,8 +640,8 @@ xfs_vn_setattr( { struct inode *inode = dentry->d_inode; unsigned int ia_valid = attr->ia_valid; - vnode_t *vp = vn_from_inode(inode); - vattr_t vattr = { 0 }; + bhv_vnode_t *vp = vn_from_inode(inode); + bhv_vattr_t vattr = { 0 }; int flags = 0; int error; @@ -697,7 +684,7 @@ xfs_vn_setattr( flags |= ATTR_NONBLOCK; #endif - VOP_SETATTR(vp, &vattr, flags, NULL, error); + error = bhv_vop_setattr(vp, &vattr, flags, NULL); if (likely(!error)) __vn_revalidate(vp, &vattr); return -error; @@ -718,7 +705,7 @@ xfs_vn_setxattr( size_t size, int flags) { - vnode_t *vp = vn_from_inode(dentry->d_inode); + bhv_vnode_t *vp = vn_from_inode(dentry->d_inode); char *attr = (char *)name; attrnames_t *namesp; int xflags = 0; @@ -748,7 +735,7 @@ xfs_vn_getxattr( void *data, size_t size) { - vnode_t *vp = vn_from_inode(dentry->d_inode); + bhv_vnode_t *vp = vn_from_inode(dentry->d_inode); char *attr = (char *)name; attrnames_t *namesp; int xflags = 0; @@ -777,7 +764,7 @@ xfs_vn_listxattr( char *data, size_t size) { - vnode_t *vp = vn_from_inode(dentry->d_inode); + bhv_vnode_t *vp = vn_from_inode(dentry->d_inode); int error, xflags = ATTR_KERNAMELS; ssize_t result; @@ -796,7 +783,7 @@ xfs_vn_removexattr( struct dentry *dentry, const char *name) { - vnode_t *vp = vn_from_inode(dentry->d_inode); + bhv_vnode_t *vp = vn_from_inode(dentry->d_inode); char *attr = (char *)name; attrnames_t *namesp; int xflags = 0; diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h index e9fe43d..aa26ab9 100644 --- a/fs/xfs/linux-2.6/xfs_linux.h +++ b/fs/xfs/linux-2.6/xfs_linux.h @@ -134,14 +134,21 @@ BUFFER_FNS(PrivateStart, unwritten); #define xfs_buf_age_centisecs xfs_params.xfs_buf_age.val #define xfs_inherit_nosymlinks xfs_params.inherit_nosym.val #define xfs_rotorstep xfs_params.rotorstep.val +#define xfs_inherit_nodefrag xfs_params.inherit_nodfrg.val -#ifndef raw_smp_processor_id -#define raw_smp_processor_id() smp_processor_id() -#endif -#define current_cpu() raw_smp_processor_id() +#define current_cpu() (raw_smp_processor_id()) #define current_pid() (current->pid) #define current_fsuid(cred) (current->fsuid) #define current_fsgid(cred) (current->fsgid) +#define current_set_flags(f) (current->flags |= (f)) +#define current_test_flags(f) (current->flags & (f)) +#define current_clear_flags(f) (current->flags & ~(f)) +#define current_set_flags_nested(sp, f) \ + (*(sp) = current->flags, current->flags |= (f)) +#define current_clear_flags_nested(sp, f) \ + (*(sp) = current->flags, current->flags &= ~(f)) +#define current_restore_flags_nested(sp, f) \ + (current->flags = ((current->flags & ~(f)) | (*(sp) & (f)))) #define NBPP PAGE_SIZE #define DPPSHFT (PAGE_SHIFT - 9) @@ -187,25 +194,9 @@ BUFFER_FNS(PrivateStart, unwritten); /* bytes to clicks */ #define btoc(x) (((__psunsigned_t)(x)+(NBPC-1))>>BPCSHIFT) -#ifndef ENOATTR #define ENOATTR ENODATA /* Attribute not found */ -#endif - -/* Note: EWRONGFS never visible outside the kernel */ -#define EWRONGFS EINVAL /* Mount with wrong filesystem type */ - -/* - * XXX EFSCORRUPTED needs a real value in errno.h. asm-i386/errno.h won't - * return codes out of its known range in errno. - * XXX Also note: needs to be < 1000 and fairly unique on Linux (mustn't - * conflict with any code we use already or any code a driver may use) - * XXX Some options (currently we do #2): - * 1/ New error code ["Filesystem is corrupted", _after_ glibc updated] - * 2/ 990 ["Unknown error 990"] - * 3/ EUCLEAN ["Structure needs cleaning"] - * 4/ Convert EFSCORRUPTED to EIO [just prior to return into userspace] - */ -#define EFSCORRUPTED 990 /* Filesystem is corrupted */ +#define EWRONGFS EINVAL /* Mount with wrong filesystem type */ +#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ #define SYNCHRONIZE() barrier() #define __return_address __builtin_return_address(0) diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 67efe33..5d9cfd9 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -206,7 +204,7 @@ xfs_read( xfs_fsize_t n; xfs_inode_t *ip; xfs_mount_t *mp; - vnode_t *vp; + bhv_vnode_t *vp; unsigned long seg; ip = XFS_BHVTOI(bdp); @@ -258,7 +256,7 @@ xfs_read( if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ) && !(ioflags & IO_INVIS)) { - vrwlock_t locktype = VRWLOCK_READ; + bhv_vrwlock_t locktype = VRWLOCK_READ; int dmflags = FILP_DELAY_FLAG(file) | DM_SEM_FLAG_RD(ioflags); ret = -XFS_SEND_DATA(mp, DM_EVENT_READ, @@ -271,7 +269,7 @@ xfs_read( } if (unlikely((ioflags & IO_ISDIRECT) && VN_CACHED(vp))) - VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(*offset)), + bhv_vop_flushinval_pages(vp, ctooff(offtoct(*offset)), -1, FI_REMAPF_LOCKED); xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore, @@ -313,7 +311,7 @@ xfs_sendfile( if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_READ) && (!(ioflags & IO_INVIS))) { - vrwlock_t locktype = VRWLOCK_READ; + bhv_vrwlock_t locktype = VRWLOCK_READ; int error; error = XFS_SEND_DATA(mp, DM_EVENT_READ, BHV_TO_VNODE(bdp), @@ -357,7 +355,7 @@ xfs_splice_read( if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_READ) && (!(ioflags & IO_INVIS))) { - vrwlock_t locktype = VRWLOCK_READ; + bhv_vrwlock_t locktype = VRWLOCK_READ; int error; error = XFS_SEND_DATA(mp, DM_EVENT_READ, BHV_TO_VNODE(bdp), @@ -401,7 +399,7 @@ xfs_splice_write( if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_WRITE) && (!(ioflags & IO_INVIS))) { - vrwlock_t locktype = VRWLOCK_WRITE; + bhv_vrwlock_t locktype = VRWLOCK_WRITE; int error; error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, BHV_TO_VNODE(bdp), @@ -458,7 +456,7 @@ xfs_zero_last_block( last_fsb = XFS_B_TO_FSBT(mp, isize); nimaps = 1; error = XFS_BMAPI(mp, NULL, io, last_fsb, 1, 0, NULL, 0, &imap, - &nimaps, NULL); + &nimaps, NULL, NULL); if (error) { return error; } @@ -499,7 +497,7 @@ xfs_zero_last_block( int /* error (positive) */ xfs_zero_eof( - vnode_t *vp, + bhv_vnode_t *vp, xfs_iocore_t *io, xfs_off_t offset, /* starting I/O offset */ xfs_fsize_t isize, /* current inode size */ @@ -510,7 +508,6 @@ xfs_zero_eof( xfs_fileoff_t end_zero_fsb; xfs_fileoff_t zero_count_fsb; xfs_fileoff_t last_fsb; - xfs_extlen_t buf_len_fsb; xfs_mount_t *mp = io->io_mount; int nimaps; int error = 0; @@ -556,7 +553,7 @@ xfs_zero_eof( nimaps = 1; zero_count_fsb = end_zero_fsb - start_zero_fsb + 1; error = XFS_BMAPI(mp, NULL, io, start_zero_fsb, zero_count_fsb, - 0, NULL, 0, &imap, &nimaps, NULL); + 0, NULL, 0, &imap, &nimaps, NULL, NULL); if (error) { ASSERT(ismrlocked(io->io_lock, MR_UPDATE)); ASSERT(ismrlocked(io->io_iolock, MR_UPDATE)); @@ -579,16 +576,7 @@ xfs_zero_eof( } /* - * There are blocks in the range requested. - * Zero them a single write at a time. We actually - * don't zero the entire range returned if it is - * too big and simply loop around to get the rest. - * That is not the most efficient thing to do, but it - * is simple and this path should not be exercised often. - */ - buf_len_fsb = XFS_FILBLKS_MIN(imap.br_blockcount, - mp->m_writeio_blocks << 8); - /* + * There are blocks we need to zero. * Drop the inode lock while we're doing the I/O. * We'll still have the iolock to protect us. */ @@ -596,14 +584,13 @@ xfs_zero_eof( error = xfs_iozero(ip, XFS_FSB_TO_B(mp, start_zero_fsb), - XFS_FSB_TO_B(mp, buf_len_fsb), + XFS_FSB_TO_B(mp, imap.br_blockcount), end_size); - if (error) { goto out_lock; } - start_zero_fsb = imap.br_startoff + buf_len_fsb; + start_zero_fsb = imap.br_startoff + imap.br_blockcount; ASSERT(start_zero_fsb <= (end_zero_fsb + 1)); XFS_ILOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD); @@ -637,11 +624,11 @@ xfs_write( ssize_t ret = 0, error = 0; xfs_fsize_t isize, new_size; xfs_iocore_t *io; - vnode_t *vp; + bhv_vnode_t *vp; unsigned long seg; int iolock; int eventsent = 0; - vrwlock_t locktype; + bhv_vrwlock_t locktype; size_t ocount = 0, count; loff_t pos; int need_i_mutex = 1, need_flush = 0; @@ -679,11 +666,11 @@ xfs_write( io = &xip->i_iocore; mp = io->io_mount; + vfs_wait_for_freeze(vp->v_vfsp, SB_FREEZE_WRITE); + if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; - fs_check_frozen(vp->v_vfsp, SB_FREEZE_WRITE); - if (ioflags & IO_ISDIRECT) { xfs_buftarg_t *target = (xip->i_d.di_flags & XFS_DIFLAG_REALTIME) ? @@ -814,7 +801,7 @@ retry: if (need_flush) { xfs_inval_cached_trace(io, pos, -1, ctooff(offtoct(pos)), -1); - VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(pos)), + bhv_vop_flushinval_pages(vp, ctooff(offtoct(pos)), -1, FI_REMAPF_LOCKED); } @@ -903,79 +890,9 @@ retry: /* Handle various SYNC-type writes */ if ((file->f_flags & O_SYNC) || IS_SYNC(inode)) { - /* - * If we're treating this as O_DSYNC and we have not updated the - * size, force the log. - */ - if (!(mp->m_flags & XFS_MOUNT_OSYNCISOSYNC) && - !(xip->i_update_size)) { - xfs_inode_log_item_t *iip = xip->i_itemp; - - /* - * If an allocation transaction occurred - * without extending the size, then we have to force - * the log up the proper point to ensure that the - * allocation is permanent. We can't count on - * the fact that buffered writes lock out direct I/O - * writes - the direct I/O write could have extended - * the size nontransactionally, then finished before - * we started. xfs_write_file will think that the file - * didn't grow but the update isn't safe unless the - * size change is logged. - * - * Force the log if we've committed a transaction - * against the inode or if someone else has and - * the commit record hasn't gone to disk (e.g. - * the inode is pinned). This guarantees that - * all changes affecting the inode are permanent - * when we return. - */ - if (iip && iip->ili_last_lsn) { - xfs_log_force(mp, iip->ili_last_lsn, - XFS_LOG_FORCE | XFS_LOG_SYNC); - } else if (xfs_ipincount(xip) > 0) { - xfs_log_force(mp, (xfs_lsn_t)0, - XFS_LOG_FORCE | XFS_LOG_SYNC); - } - - } else { - xfs_trans_t *tp; - - /* - * O_SYNC or O_DSYNC _with_ a size update are handled - * the same way. - * - * If the write was synchronous then we need to make - * sure that the inode modification time is permanent. - * We'll have updated the timestamp above, so here - * we use a synchronous transaction to log the inode. - * It's not fast, but it's necessary. - * - * If this a dsync write and the size got changed - * non-transactionally, then we need to ensure that - * the size change gets logged in a synchronous - * transaction. - */ - - tp = xfs_trans_alloc(mp, XFS_TRANS_WRITE_SYNC); - if ((error = xfs_trans_reserve(tp, 0, - XFS_SWRITE_LOG_RES(mp), - 0, 0, 0))) { - /* Transaction reserve failed */ - xfs_trans_cancel(tp, 0); - } else { - /* Transaction reserve successful */ - xfs_ilock(xip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, xip, XFS_ILOCK_EXCL); - xfs_trans_ihold(tp, xip); - xfs_trans_log_inode(tp, xip, XFS_ILOG_CORE); - xfs_trans_set_sync(tp); - error = xfs_trans_commit(tp, 0, NULL); - xfs_iunlock(xip, XFS_ILOCK_EXCL); - } - if (error) - goto out_unlock_internal; - } + error = xfs_write_sync_logforce(mp, xip); + if (error) + goto out_unlock_internal; xfs_rwunlock(bdp, locktype); if (need_i_mutex) diff --git a/fs/xfs/linux-2.6/xfs_lrw.h b/fs/xfs/linux-2.6/xfs_lrw.h index 8f45399..c77e62e 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.h +++ b/fs/xfs/linux-2.6/xfs_lrw.h @@ -18,8 +18,8 @@ #ifndef __XFS_LRW_H__ #define __XFS_LRW_H__ -struct vnode; struct bhv_desc; +struct bhv_vnode; struct xfs_mount; struct xfs_iocore; struct xfs_inode; @@ -49,7 +49,7 @@ struct xfs_iomap; #define XFS_CTRUNC4 14 #define XFS_CTRUNC5 15 #define XFS_CTRUNC6 16 -#define XFS_BUNMAPI 17 +#define XFS_BUNMAP 17 #define XFS_INVAL_CACHED 18 #define XFS_DIORD_ENTER 19 #define XFS_DIOWR_ENTER 20 @@ -82,7 +82,7 @@ extern int xfsbdstrat(struct xfs_mount *, struct xfs_buf *); extern int xfs_bdstrat_cb(struct xfs_buf *); extern int xfs_dev_is_read_only(struct xfs_mount *, char *); -extern int xfs_zero_eof(struct vnode *, struct xfs_iocore *, xfs_off_t, +extern int xfs_zero_eof(struct bhv_vnode *, struct xfs_iocore *, xfs_off_t, xfs_fsize_t, xfs_fsize_t); extern ssize_t xfs_read(struct bhv_desc *, struct kiocb *, const struct iovec *, unsigned int, diff --git a/fs/xfs/linux-2.6/xfs_stats.c b/fs/xfs/linux-2.6/xfs_stats.c index 1f0589a..e480b61 100644 --- a/fs/xfs/linux-2.6/xfs_stats.c +++ b/fs/xfs/linux-2.6/xfs_stats.c @@ -62,7 +62,7 @@ xfs_read_xfsstats( while (j < xstats[i].endpoint) { val = 0; /* sum over all cpus */ - for_each_cpu(c) + for_each_possible_cpu(c) val += *(((__u32*)&per_cpu(xfsstats, c) + j)); len += sprintf(buffer + len, " %u", val); j++; @@ -70,7 +70,7 @@ xfs_read_xfsstats( buffer[len++] = '\n'; } /* extra precision counters */ - for_each_cpu(i) { + for_each_possible_cpu(i) { xs_xstrat_bytes += per_cpu(xfsstats, i).xs_xstrat_bytes; xs_write_bytes += per_cpu(xfsstats, i).xs_write_bytes; xs_read_bytes += per_cpu(xfsstats, i).xs_read_bytes; diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 68f4793..9bdef9d 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -151,7 +149,7 @@ xfs_set_inodeops( STATIC __inline__ void xfs_revalidate_inode( xfs_mount_t *mp, - vnode_t *vp, + bhv_vnode_t *vp, xfs_inode_t *ip) { struct inode *inode = vn_to_inode(vp); @@ -206,7 +204,7 @@ xfs_revalidate_inode( void xfs_initialize_vnode( bhv_desc_t *bdp, - vnode_t *vp, + bhv_vnode_t *vp, bhv_desc_t *inode_bhv, int unlock) { @@ -336,7 +334,7 @@ STATIC struct inode * xfs_fs_alloc_inode( struct super_block *sb) { - vnode_t *vp; + bhv_vnode_t *vp; vp = kmem_zone_alloc(xfs_vnode_zone, KM_SLEEP); if (unlikely(!vp)) @@ -359,13 +357,13 @@ xfs_fs_inode_init_once( { if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) == SLAB_CTOR_CONSTRUCTOR) - inode_init_once(vn_to_inode((vnode_t *)vnode)); + inode_init_once(vn_to_inode((bhv_vnode_t *)vnode)); } STATIC int xfs_init_zones(void) { - xfs_vnode_zone = kmem_zone_init_flags(sizeof(vnode_t), "xfs_vnode_t", + xfs_vnode_zone = kmem_zone_init_flags(sizeof(bhv_vnode_t), "xfs_vnode", KM_ZONE_HWALIGN | KM_ZONE_RECLAIM | KM_ZONE_SPREAD, xfs_fs_inode_init_once); @@ -409,22 +407,17 @@ xfs_fs_write_inode( struct inode *inode, int sync) { - vnode_t *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); int error = 0, flags = FLUSH_INODE; if (vp) { vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); if (sync) flags |= FLUSH_SYNC; - VOP_IFLUSH(vp, flags, error); - if (error == EAGAIN) { - if (sync) - VOP_IFLUSH(vp, flags | FLUSH_LOG, error); - else - error = 0; - } + error = bhv_vop_iflush(vp, flags); + if (error == EAGAIN) + error = sync? bhv_vop_iflush(vp, flags | FLUSH_LOG) : 0; } - return -error; } @@ -432,8 +425,7 @@ STATIC void xfs_fs_clear_inode( struct inode *inode) { - vnode_t *vp = vn_from_inode(inode); - int error, cache; + bhv_vnode_t *vp = vn_from_inode(inode); vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); @@ -446,20 +438,18 @@ xfs_fs_clear_inode( * This can happen because xfs_iget_core calls xfs_idestroy if we * find an inode with di_mode == 0 but without IGET_CREATE set. */ - if (vp->v_fbhv) - VOP_INACTIVE(vp, NULL, cache); + if (VNHEAD(vp)) + bhv_vop_inactive(vp, NULL); VN_LOCK(vp); vp->v_flag &= ~VMODIFIED; VN_UNLOCK(vp, 0); - if (vp->v_fbhv) { - VOP_RECLAIM(vp, error); - if (error) - panic("vn_purge: cannot reclaim"); - } + if (VNHEAD(vp)) + if (bhv_vop_reclaim(vp)) + panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, vp); - ASSERT(vp->v_fbhv == NULL); + ASSERT(VNHEAD(vp) == NULL); #ifdef XFS_VNODE_TRACE ktrace_free(vp->v_trace); @@ -475,13 +465,13 @@ xfs_fs_clear_inode( */ STATIC void xfs_syncd_queue_work( - struct vfs *vfs, + struct bhv_vfs *vfs, void *data, - void (*syncer)(vfs_t *, void *)) + void (*syncer)(bhv_vfs_t *, void *)) { - vfs_sync_work_t *work; + struct bhv_vfs_sync_work *work; - work = kmem_alloc(sizeof(struct vfs_sync_work), KM_SLEEP); + work = kmem_alloc(sizeof(struct bhv_vfs_sync_work), KM_SLEEP); INIT_LIST_HEAD(&work->w_list); work->w_syncer = syncer; work->w_data = data; @@ -500,7 +490,7 @@ xfs_syncd_queue_work( */ STATIC void xfs_flush_inode_work( - vfs_t *vfs, + bhv_vfs_t *vfs, void *inode) { filemap_flush(((struct inode *)inode)->i_mapping); @@ -512,7 +502,7 @@ xfs_flush_inode( xfs_inode_t *ip) { struct inode *inode = vn_to_inode(XFS_ITOV(ip)); - struct vfs *vfs = XFS_MTOVFS(ip->i_mount); + struct bhv_vfs *vfs = XFS_MTOVFS(ip->i_mount); igrab(inode); xfs_syncd_queue_work(vfs, inode, xfs_flush_inode_work); @@ -525,7 +515,7 @@ xfs_flush_inode( */ STATIC void xfs_flush_device_work( - vfs_t *vfs, + bhv_vfs_t *vfs, void *inode) { sync_blockdev(vfs->vfs_super->s_bdev); @@ -537,7 +527,7 @@ xfs_flush_device( xfs_inode_t *ip) { struct inode *inode = vn_to_inode(XFS_ITOV(ip)); - struct vfs *vfs = XFS_MTOVFS(ip->i_mount); + struct bhv_vfs *vfs = XFS_MTOVFS(ip->i_mount); igrab(inode); xfs_syncd_queue_work(vfs, inode, xfs_flush_device_work); @@ -545,16 +535,16 @@ xfs_flush_device( xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC); } -#define SYNCD_FLAGS (SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR|SYNC_REFCACHE) STATIC void vfs_sync_worker( - vfs_t *vfsp, + bhv_vfs_t *vfsp, void *unused) { int error; if (!(vfsp->vfs_flag & VFS_RDONLY)) - VFS_SYNC(vfsp, SYNCD_FLAGS, NULL, error); + error = bhv_vfs_sync(vfsp, SYNC_FSDATA | SYNC_BDFLUSH | \ + SYNC_ATTR | SYNC_REFCACHE, NULL); vfsp->vfs_sync_seq++; wmb(); wake_up(&vfsp->vfs_wait_single_sync_task); @@ -565,8 +555,8 @@ xfssyncd( void *arg) { long timeleft; - vfs_t *vfsp = (vfs_t *) arg; - struct vfs_sync_work *work, *n; + bhv_vfs_t *vfsp = (bhv_vfs_t *) arg; + bhv_vfs_sync_work_t *work, *n; LIST_HEAD (tmp); timeleft = xfs_syncd_centisecs * msecs_to_jiffies(10); @@ -600,7 +590,7 @@ xfssyncd( list_del(&work->w_list); if (work == &vfsp->vfs_sync_work) continue; - kmem_free(work, sizeof(struct vfs_sync_work)); + kmem_free(work, sizeof(struct bhv_vfs_sync_work)); } } @@ -609,7 +599,7 @@ xfssyncd( STATIC int xfs_fs_start_syncd( - vfs_t *vfsp) + bhv_vfs_t *vfsp) { vfsp->vfs_sync_work.w_syncer = vfs_sync_worker; vfsp->vfs_sync_work.w_vfs = vfsp; @@ -621,7 +611,7 @@ xfs_fs_start_syncd( STATIC void xfs_fs_stop_syncd( - vfs_t *vfsp) + bhv_vfs_t *vfsp) { kthread_stop(vfsp->vfs_sync_task); } @@ -630,35 +620,26 @@ STATIC void xfs_fs_put_super( struct super_block *sb) { - vfs_t *vfsp = vfs_from_sb(sb); + bhv_vfs_t *vfsp = vfs_from_sb(sb); int error; xfs_fs_stop_syncd(vfsp); - VFS_SYNC(vfsp, SYNC_ATTR|SYNC_DELWRI, NULL, error); - if (!error) - VFS_UNMOUNT(vfsp, 0, NULL, error); + bhv_vfs_sync(vfsp, SYNC_ATTR | SYNC_DELWRI, NULL); + error = bhv_vfs_unmount(vfsp, 0, NULL); if (error) { - printk("XFS unmount got error %d\n", error); - printk("%s: vfsp/0x%p left dangling!\n", __FUNCTION__, vfsp); - return; + printk("XFS: unmount got error=%d\n", error); + printk("%s: vfs=0x%p left dangling!\n", __FUNCTION__, vfsp); + } else { + vfs_deallocate(vfsp); } - - vfs_deallocate(vfsp); } STATIC void xfs_fs_write_super( struct super_block *sb) { - vfs_t *vfsp = vfs_from_sb(sb); - int error; - - if (sb->s_flags & MS_RDONLY) { - sb->s_dirt = 0; /* paranoia */ - return; - } - /* Push the log and superblock a little */ - VFS_SYNC(vfsp, SYNC_FSDATA, NULL, error); + if (!(sb->s_flags & MS_RDONLY)) + bhv_vfs_sync(vfs_from_sb(sb), SYNC_FSDATA, NULL); sb->s_dirt = 0; } @@ -667,16 +648,16 @@ xfs_fs_sync_super( struct super_block *sb, int wait) { - vfs_t *vfsp = vfs_from_sb(sb); - int error; - int flags = SYNC_FSDATA; + bhv_vfs_t *vfsp = vfs_from_sb(sb); + int error; + int flags; if (unlikely(sb->s_frozen == SB_FREEZE_WRITE)) flags = SYNC_QUIESCE; else flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0); - VFS_SYNC(vfsp, flags, NULL, error); + error = bhv_vfs_sync(vfsp, flags, NULL); sb->s_dirt = 0; if (unlikely(laptop_mode)) { @@ -703,14 +684,11 @@ xfs_fs_sync_super( STATIC int xfs_fs_statfs( - struct super_block *sb, + struct dentry *dentry, struct kstatfs *statp) { - vfs_t *vfsp = vfs_from_sb(sb); - int error; - - VFS_STATVFS(vfsp, statp, NULL, error); - return -error; + return -bhv_vfs_statvfs(vfs_from_sb(dentry->d_sb), statp, + vn_from_inode(dentry->d_inode)); } STATIC int @@ -719,13 +697,13 @@ xfs_fs_remount( int *flags, char *options) { - vfs_t *vfsp = vfs_from_sb(sb); + bhv_vfs_t *vfsp = vfs_from_sb(sb); struct xfs_mount_args *args = xfs_args_allocate(sb, 0); int error; - VFS_PARSEARGS(vfsp, options, args, 1, error); + error = bhv_vfs_parseargs(vfsp, options, args, 1); if (!error) - VFS_MNTUPDATE(vfsp, flags, args, error); + error = bhv_vfs_mntupdate(vfsp, flags, args); kmem_free(args, sizeof(*args)); return -error; } @@ -734,7 +712,7 @@ STATIC void xfs_fs_lockfs( struct super_block *sb) { - VFS_FREEZE(vfs_from_sb(sb)); + bhv_vfs_freeze(vfs_from_sb(sb)); } STATIC int @@ -742,11 +720,7 @@ xfs_fs_show_options( struct seq_file *m, struct vfsmount *mnt) { - struct vfs *vfsp = vfs_from_sb(mnt->mnt_sb); - int error; - - VFS_SHOWARGS(vfsp, m, error); - return error; + return -bhv_vfs_showargs(vfs_from_sb(mnt->mnt_sb), m); } STATIC int @@ -754,11 +728,7 @@ xfs_fs_quotasync( struct super_block *sb, int type) { - struct vfs *vfsp = vfs_from_sb(sb); - int error; - - VFS_QUOTACTL(vfsp, Q_XQUOTASYNC, 0, (caddr_t)NULL, error); - return -error; + return -bhv_vfs_quotactl(vfs_from_sb(sb), Q_XQUOTASYNC, 0, NULL); } STATIC int @@ -766,11 +736,7 @@ xfs_fs_getxstate( struct super_block *sb, struct fs_quota_stat *fqs) { - struct vfs *vfsp = vfs_from_sb(sb); - int error; - - VFS_QUOTACTL(vfsp, Q_XGETQSTAT, 0, (caddr_t)fqs, error); - return -error; + return -bhv_vfs_quotactl(vfs_from_sb(sb), Q_XGETQSTAT, 0, (caddr_t)fqs); } STATIC int @@ -779,11 +745,7 @@ xfs_fs_setxstate( unsigned int flags, int op) { - struct vfs *vfsp = vfs_from_sb(sb); - int error; - - VFS_QUOTACTL(vfsp, op, 0, (caddr_t)&flags, error); - return -error; + return -bhv_vfs_quotactl(vfs_from_sb(sb), op, 0, (caddr_t)&flags); } STATIC int @@ -793,13 +755,10 @@ xfs_fs_getxquota( qid_t id, struct fs_disk_quota *fdq) { - struct vfs *vfsp = vfs_from_sb(sb); - int error, getmode; - - getmode = (type == USRQUOTA) ? Q_XGETQUOTA : - ((type == GRPQUOTA) ? Q_XGETGQUOTA : Q_XGETPQUOTA); - VFS_QUOTACTL(vfsp, getmode, id, (caddr_t)fdq, error); - return -error; + return -bhv_vfs_quotactl(vfs_from_sb(sb), + (type == USRQUOTA) ? Q_XGETQUOTA : + ((type == GRPQUOTA) ? Q_XGETGQUOTA : + Q_XGETPQUOTA), id, (caddr_t)fdq); } STATIC int @@ -809,13 +768,10 @@ xfs_fs_setxquota( qid_t id, struct fs_disk_quota *fdq) { - struct vfs *vfsp = vfs_from_sb(sb); - int error, setmode; - - setmode = (type == USRQUOTA) ? Q_XSETQLIM : - ((type == GRPQUOTA) ? Q_XSETGQLIM : Q_XSETPQLIM); - VFS_QUOTACTL(vfsp, setmode, id, (caddr_t)fdq, error); - return -error; + return -bhv_vfs_quotactl(vfs_from_sb(sb), + (type == USRQUOTA) ? Q_XSETQLIM : + ((type == GRPQUOTA) ? Q_XSETGQLIM : + Q_XSETPQLIM), id, (caddr_t)fdq); } STATIC int @@ -824,34 +780,32 @@ xfs_fs_fill_super( void *data, int silent) { - vnode_t *rootvp; - struct vfs *vfsp = vfs_allocate(sb); + struct bhv_vnode *rootvp; + struct bhv_vfs *vfsp = vfs_allocate(sb); struct xfs_mount_args *args = xfs_args_allocate(sb, silent); struct kstatfs statvfs; - int error, error2; + int error; bhv_insert_all_vfsops(vfsp); - VFS_PARSEARGS(vfsp, (char *)data, args, 0, error); + error = bhv_vfs_parseargs(vfsp, (char *)data, args, 0); if (error) { bhv_remove_all_vfsops(vfsp, 1); goto fail_vfsop; } sb_min_blocksize(sb, BBSIZE); -#ifdef CONFIG_XFS_EXPORT sb->s_export_op = &xfs_export_operations; -#endif sb->s_qcop = &xfs_quotactl_operations; sb->s_op = &xfs_super_operations; - VFS_MOUNT(vfsp, args, NULL, error); + error = bhv_vfs_mount(vfsp, args, NULL); if (error) { bhv_remove_all_vfsops(vfsp, 1); goto fail_vfsop; } - VFS_STATVFS(vfsp, &statvfs, NULL, error); + error = bhv_vfs_statvfs(vfsp, &statvfs, NULL); if (error) goto fail_unmount; @@ -863,7 +817,7 @@ xfs_fs_fill_super( sb->s_time_gran = 1; set_posix_acl_flag(sb); - VFS_ROOT(vfsp, &rootvp, error); + error = bhv_vfs_root(vfsp, &rootvp); if (error) goto fail_unmount; @@ -892,7 +846,7 @@ fail_vnrele: } fail_unmount: - VFS_UNMOUNT(vfsp, 0, NULL, error2); + bhv_vfs_unmount(vfsp, 0, NULL); fail_vfsop: vfs_deallocate(vfsp); @@ -900,14 +854,16 @@ fail_vfsop: return -error; } -STATIC struct super_block * +STATIC int xfs_fs_get_sb( struct file_system_type *fs_type, int flags, const char *dev_name, - void *data) + void *data, + struct vfsmount *mnt) { - return get_sb_bdev(fs_type, flags, dev_name, data, xfs_fs_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, xfs_fs_fill_super, + mnt); } STATIC struct super_operations xfs_super_operations = { diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/linux-2.6/xfs_super.h index 376b96c..33dd1ca 100644 --- a/fs/xfs/linux-2.6/xfs_super.h +++ b/fs/xfs/linux-2.6/xfs_super.h @@ -105,7 +105,7 @@ struct block_device; extern __uint64_t xfs_max_file_offset(unsigned int); -extern void xfs_initialize_vnode(bhv_desc_t *, vnode_t *, bhv_desc_t *, int); +extern void xfs_initialize_vnode(bhv_desc_t *, bhv_vnode_t *, bhv_desc_t *, int); extern void xfs_flush_inode(struct xfs_inode *); extern void xfs_flush_device(struct xfs_inode *); diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c index 7079cc8..af24653 100644 --- a/fs/xfs/linux-2.6/xfs_sysctl.c +++ b/fs/xfs/linux-2.6/xfs_sysctl.c @@ -38,7 +38,7 @@ xfs_stats_clear_proc_handler( if (!ret && write && *valp) { printk("XFS Clearing xfsstats\n"); - for_each_cpu(c) { + for_each_possible_cpu(c) { preempt_disable(); /* save vn_active, it's a universal truth! */ vn_active = per_cpu(xfsstats, c).vn_active; @@ -120,6 +120,11 @@ STATIC ctl_table xfs_table[] = { &sysctl_intvec, NULL, &xfs_params.rotorstep.min, &xfs_params.rotorstep.max}, + {XFS_INHERIT_NODFRG, "inherit_nodefrag", &xfs_params.inherit_nodfrg.val, + sizeof(int), 0644, NULL, &proc_dointvec_minmax, + &sysctl_intvec, NULL, + &xfs_params.inherit_nodfrg.min, &xfs_params.inherit_nodfrg.max}, + /* please keep this the last entry */ #ifdef CONFIG_PROC_FS {XFS_STATS_CLEAR, "stats_clear", &xfs_params.stats_clear.val, diff --git a/fs/xfs/linux-2.6/xfs_sysctl.h b/fs/xfs/linux-2.6/xfs_sysctl.h index bc8c11f..a631fb8 100644 --- a/fs/xfs/linux-2.6/xfs_sysctl.h +++ b/fs/xfs/linux-2.6/xfs_sysctl.h @@ -46,6 +46,7 @@ typedef struct xfs_param { xfs_sysctl_val_t xfs_buf_age; /* Metadata buffer age before flush. */ xfs_sysctl_val_t inherit_nosym; /* Inherit the "nosymlinks" flag. */ xfs_sysctl_val_t rotorstep; /* inode32 AG rotoring control knob */ + xfs_sysctl_val_t inherit_nodfrg;/* Inherit the "nodefrag" inode flag. */ } xfs_param_t; /* @@ -84,6 +85,7 @@ enum { /* XFS_IO_BYPASS = 18 */ XFS_INHERIT_NOSYM = 19, XFS_ROTORSTEP = 20, + XFS_INHERIT_NODFRG = 21, }; extern xfs_param_t xfs_params; diff --git a/fs/xfs/linux-2.6/xfs_vfs.c b/fs/xfs/linux-2.6/xfs_vfs.c index 6f7c9f7..6145e8b 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.c +++ b/fs/xfs/linux-2.6/xfs_vfs.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_imap.h" #include "xfs_alloc.h" @@ -104,7 +103,7 @@ vfs_mntupdate( int vfs_root( struct bhv_desc *bdp, - struct vnode **vpp) + struct bhv_vnode **vpp) { struct bhv_desc *next = bdp; @@ -117,15 +116,15 @@ vfs_root( int vfs_statvfs( struct bhv_desc *bdp, - xfs_statfs_t *sp, - struct vnode *vp) + bhv_statvfs_t *statp, + struct bhv_vnode *vp) { struct bhv_desc *next = bdp; ASSERT(next); while (! (bhvtovfsops(next))->vfs_statvfs) next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_statvfs)(next, sp, vp)); + return ((*bhvtovfsops(next)->vfs_statvfs)(next, statp, vp)); } int @@ -145,7 +144,7 @@ vfs_sync( int vfs_vget( struct bhv_desc *bdp, - struct vnode **vpp, + struct bhv_vnode **vpp, struct fid *fidp) { struct bhv_desc *next = bdp; @@ -187,7 +186,7 @@ vfs_quotactl( void vfs_init_vnode( struct bhv_desc *bdp, - struct vnode *vp, + struct bhv_vnode *vp, struct bhv_desc *bp, int unlock) { @@ -226,13 +225,13 @@ vfs_freeze( ((*bhvtovfsops(next)->vfs_freeze)(next)); } -vfs_t * +bhv_vfs_t * vfs_allocate( struct super_block *sb) { - struct vfs *vfsp; + struct bhv_vfs *vfsp; - vfsp = kmem_zalloc(sizeof(vfs_t), KM_SLEEP); + vfsp = kmem_zalloc(sizeof(bhv_vfs_t), KM_SLEEP); bhv_head_init(VFS_BHVHEAD(vfsp), "vfs"); INIT_LIST_HEAD(&vfsp->vfs_sync_list); spin_lock_init(&vfsp->vfs_sync_lock); @@ -247,25 +246,25 @@ vfs_allocate( return vfsp; } -vfs_t * +bhv_vfs_t * vfs_from_sb( struct super_block *sb) { - return (vfs_t *)sb->s_fs_info; + return (bhv_vfs_t *)sb->s_fs_info; } void vfs_deallocate( - struct vfs *vfsp) + struct bhv_vfs *vfsp) { bhv_head_destroy(VFS_BHVHEAD(vfsp)); - kmem_free(vfsp, sizeof(vfs_t)); + kmem_free(vfsp, sizeof(bhv_vfs_t)); } void vfs_insertops( - struct vfs *vfsp, - struct bhv_vfsops *vfsops) + struct bhv_vfs *vfsp, + struct bhv_module_vfsops *vfsops) { struct bhv_desc *bdp; @@ -276,9 +275,9 @@ vfs_insertops( void vfs_insertbhv( - struct vfs *vfsp, + struct bhv_vfs *vfsp, struct bhv_desc *bdp, - struct vfsops *vfsops, + struct bhv_vfsops *vfsops, void *mount) { bhv_desc_init(bdp, mount, vfsp, vfsops); @@ -287,7 +286,7 @@ vfs_insertbhv( void bhv_remove_vfsops( - struct vfs *vfsp, + struct bhv_vfs *vfsp, int pos) { struct bhv_desc *bhv; @@ -301,7 +300,7 @@ bhv_remove_vfsops( void bhv_remove_all_vfsops( - struct vfs *vfsp, + struct bhv_vfs *vfsp, int freebase) { struct xfs_mount *mp; @@ -317,7 +316,7 @@ bhv_remove_all_vfsops( void bhv_insert_all_vfsops( - struct vfs *vfsp) + struct bhv_vfs *vfsp) { struct xfs_mount *mp; diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index 841200c..91fc2c4 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -21,42 +21,40 @@ #include <linux/vfs.h> #include "xfs_fs.h" +struct bhv_vfs; +struct bhv_vnode; + struct fid; -struct vfs; struct cred; -struct vnode; -struct kstatfs; struct seq_file; struct super_block; struct xfs_mount_args; -typedef struct kstatfs xfs_statfs_t; +typedef struct kstatfs bhv_statvfs_t; -typedef struct vfs_sync_work { +typedef struct bhv_vfs_sync_work { struct list_head w_list; - struct vfs *w_vfs; + struct bhv_vfs *w_vfs; void *w_data; /* syncer routine argument */ - void (*w_syncer)(struct vfs *, void *); -} vfs_sync_work_t; + void (*w_syncer)(struct bhv_vfs *, void *); +} bhv_vfs_sync_work_t; -typedef struct vfs { +typedef struct bhv_vfs { u_int vfs_flag; /* flags */ xfs_fsid_t vfs_fsid; /* file system ID */ xfs_fsid_t *vfs_altfsid; /* An ID fixed for life of FS */ bhv_head_t vfs_bh; /* head of vfs behavior chain */ struct super_block *vfs_super; /* generic superblock pointer */ struct task_struct *vfs_sync_task; /* generalised sync thread */ - vfs_sync_work_t vfs_sync_work; /* work item for VFS_SYNC */ + bhv_vfs_sync_work_t vfs_sync_work; /* work item for VFS_SYNC */ struct list_head vfs_sync_list; /* sync thread work item list */ spinlock_t vfs_sync_lock; /* work item list lock */ - int vfs_sync_seq; /* sync thread generation no. */ + int vfs_sync_seq; /* sync thread generation no. */ wait_queue_head_t vfs_wait_single_sync_task; -} vfs_t; - -#define vfs_fbhv vfs_bh.bh_first /* 1st on vfs behavior chain */ +} bhv_vfs_t; -#define bhvtovfs(bdp) ( (struct vfs *)BHV_VOBJ(bdp) ) -#define bhvtovfsops(bdp) ( (struct vfsops *)BHV_OPS(bdp) ) +#define bhvtovfs(bdp) ( (struct bhv_vfs *)BHV_VOBJ(bdp) ) +#define bhvtovfsops(bdp) ( (struct bhv_vfsops *)BHV_OPS(bdp) ) #define VFS_BHVHEAD(vfs) ( &(vfs)->vfs_bh ) #define VFS_REMOVEBHV(vfs, bdp) ( bhv_remove(VFS_BHVHEAD(vfs), bdp) ) @@ -71,7 +69,7 @@ typedef enum { VFS_BHV_QM, /* quota manager */ VFS_BHV_IO, /* IO path */ VFS_BHV_END /* housekeeping end-of-range */ -} vfs_bhv_t; +} bhv_vfs_type_t; #define VFS_POSITION_XFS (BHV_POSITION_BASE) #define VFS_POSITION_DM (VFS_POSITION_BASE+10) @@ -81,8 +79,9 @@ typedef enum { #define VFS_RDONLY 0x0001 /* read-only vfs */ #define VFS_GRPID 0x0002 /* group-ID assigned from directory */ #define VFS_DMI 0x0004 /* filesystem has the DMI enabled */ -#define VFS_32BITINODES 0x0008 /* do not use inums above 32 bits */ -#define VFS_END 0x0008 /* max flag */ +#define VFS_UMOUNT 0x0008 /* unmount in progress */ +#define VFS_32BITINODES 0x0010 /* do not use inums above 32 bits */ +#define VFS_END 0x0010 /* max flag */ #define SYNC_ATTR 0x0001 /* sync attributes */ #define SYNC_CLOSE 0x0002 /* close file system down */ @@ -92,7 +91,14 @@ typedef enum { #define SYNC_FSDATA 0x0020 /* flush fs data (e.g. superblocks) */ #define SYNC_REFCACHE 0x0040 /* prune some of the nfs ref cache */ #define SYNC_REMOUNT 0x0080 /* remount readonly, no dummy LRs */ -#define SYNC_QUIESCE 0x0100 /* quiesce filesystem for a snapshot */ +#define SYNC_QUIESCE 0x0100 /* quiesce fileystem for a snapshot */ + +#define SHUTDOWN_META_IO_ERROR 0x0001 /* write attempt to metadata failed */ +#define SHUTDOWN_LOG_IO_ERROR 0x0002 /* write attempt to the log failed */ +#define SHUTDOWN_FORCE_UMOUNT 0x0004 /* shutdown from a forced unmount */ +#define SHUTDOWN_CORRUPT_INCORE 0x0008 /* corrupt in-memory data structures */ +#define SHUTDOWN_REMOTE_REQ 0x0010 /* shutdown came from remote cell */ +#define SHUTDOWN_DEVICE_REQ 0x0020 /* failed all paths to the device */ typedef int (*vfs_mount_t)(bhv_desc_t *, struct xfs_mount_args *, struct cred *); @@ -102,18 +108,19 @@ typedef int (*vfs_showargs_t)(bhv_desc_t *, struct seq_file *); typedef int (*vfs_unmount_t)(bhv_desc_t *, int, struct cred *); typedef int (*vfs_mntupdate_t)(bhv_desc_t *, int *, struct xfs_mount_args *); -typedef int (*vfs_root_t)(bhv_desc_t *, struct vnode **); -typedef int (*vfs_statvfs_t)(bhv_desc_t *, xfs_statfs_t *, struct vnode *); +typedef int (*vfs_root_t)(bhv_desc_t *, struct bhv_vnode **); +typedef int (*vfs_statvfs_t)(bhv_desc_t *, bhv_statvfs_t *, + struct bhv_vnode *); typedef int (*vfs_sync_t)(bhv_desc_t *, int, struct cred *); -typedef int (*vfs_vget_t)(bhv_desc_t *, struct vnode **, struct fid *); +typedef int (*vfs_vget_t)(bhv_desc_t *, struct bhv_vnode **, struct fid *); typedef int (*vfs_dmapiops_t)(bhv_desc_t *, caddr_t); typedef int (*vfs_quotactl_t)(bhv_desc_t *, int, int, caddr_t); typedef void (*vfs_init_vnode_t)(bhv_desc_t *, - struct vnode *, bhv_desc_t *, int); + struct bhv_vnode *, bhv_desc_t *, int); typedef void (*vfs_force_shutdown_t)(bhv_desc_t *, int, char *, int); typedef void (*vfs_freeze_t)(bhv_desc_t *); -typedef struct vfsops { +typedef struct bhv_vfsops { bhv_position_t vf_position; /* behavior chain position */ vfs_mount_t vfs_mount; /* mount file system */ vfs_parseargs_t vfs_parseargs; /* parse mount options */ @@ -129,82 +136,82 @@ typedef struct vfsops { vfs_init_vnode_t vfs_init_vnode; /* initialize a new vnode */ vfs_force_shutdown_t vfs_force_shutdown; /* crash and burn */ vfs_freeze_t vfs_freeze; /* freeze fs for snapshot */ -} vfsops_t; +} bhv_vfsops_t; /* - * VFS's. Operates on vfs structure pointers (starts at bhv head). + * Virtual filesystem operations, operating from head bhv. */ -#define VHEAD(v) ((v)->vfs_fbhv) -#define VFS_MOUNT(v, ma,cr, rv) ((rv) = vfs_mount(VHEAD(v), ma,cr)) -#define VFS_PARSEARGS(v, o,ma,f, rv) ((rv) = vfs_parseargs(VHEAD(v), o,ma,f)) -#define VFS_SHOWARGS(v, m, rv) ((rv) = vfs_showargs(VHEAD(v), m)) -#define VFS_UNMOUNT(v, f, cr, rv) ((rv) = vfs_unmount(VHEAD(v), f,cr)) -#define VFS_MNTUPDATE(v, fl, args, rv) ((rv) = vfs_mntupdate(VHEAD(v), fl, args)) -#define VFS_ROOT(v, vpp, rv) ((rv) = vfs_root(VHEAD(v), vpp)) -#define VFS_STATVFS(v, sp,vp, rv) ((rv) = vfs_statvfs(VHEAD(v), sp,vp)) -#define VFS_SYNC(v, flag,cr, rv) ((rv) = vfs_sync(VHEAD(v), flag,cr)) -#define VFS_VGET(v, vpp,fidp, rv) ((rv) = vfs_vget(VHEAD(v), vpp,fidp)) -#define VFS_DMAPIOPS(v, p, rv) ((rv) = vfs_dmapiops(VHEAD(v), p)) -#define VFS_QUOTACTL(v, c,id,p, rv) ((rv) = vfs_quotactl(VHEAD(v), c,id,p)) -#define VFS_INIT_VNODE(v, vp,b,ul) ( vfs_init_vnode(VHEAD(v), vp,b,ul) ) -#define VFS_FORCE_SHUTDOWN(v, fl,f,l) ( vfs_force_shutdown(VHEAD(v), fl,f,l) ) -#define VFS_FREEZE(v) ( vfs_freeze(VHEAD(v)) ) +#define VFSHEAD(v) ((v)->vfs_bh.bh_first) +#define bhv_vfs_mount(v, ma,cr) vfs_mount(VFSHEAD(v), ma,cr) +#define bhv_vfs_parseargs(v, o,ma,f) vfs_parseargs(VFSHEAD(v), o,ma,f) +#define bhv_vfs_showargs(v, m) vfs_showargs(VFSHEAD(v), m) +#define bhv_vfs_unmount(v, f,cr) vfs_unmount(VFSHEAD(v), f,cr) +#define bhv_vfs_mntupdate(v, fl,args) vfs_mntupdate(VFSHEAD(v), fl,args) +#define bhv_vfs_root(v, vpp) vfs_root(VFSHEAD(v), vpp) +#define bhv_vfs_statvfs(v, sp,vp) vfs_statvfs(VFSHEAD(v), sp,vp) +#define bhv_vfs_sync(v, flag,cr) vfs_sync(VFSHEAD(v), flag,cr) +#define bhv_vfs_vget(v, vpp,fidp) vfs_vget(VFSHEAD(v), vpp,fidp) +#define bhv_vfs_dmapiops(v, p) vfs_dmapiops(VFSHEAD(v), p) +#define bhv_vfs_quotactl(v, c,id,p) vfs_quotactl(VFSHEAD(v), c,id,p) +#define bhv_vfs_init_vnode(v, vp,b,ul) vfs_init_vnode(VFSHEAD(v), vp,b,ul) +#define bhv_vfs_force_shutdown(v,u,f,l) vfs_force_shutdown(VFSHEAD(v), u,f,l) +#define bhv_vfs_freeze(v) vfs_freeze(VFSHEAD(v)) /* - * PVFS's. Operates on behavior descriptor pointers. + * Virtual filesystem operations, operating from next bhv. */ -#define PVFS_MOUNT(b, ma,cr, rv) ((rv) = vfs_mount(b, ma,cr)) -#define PVFS_PARSEARGS(b, o,ma,f, rv) ((rv) = vfs_parseargs(b, o,ma,f)) -#define PVFS_SHOWARGS(b, m, rv) ((rv) = vfs_showargs(b, m)) -#define PVFS_UNMOUNT(b, f,cr, rv) ((rv) = vfs_unmount(b, f,cr)) -#define PVFS_MNTUPDATE(b, fl, args, rv) ((rv) = vfs_mntupdate(b, fl, args)) -#define PVFS_ROOT(b, vpp, rv) ((rv) = vfs_root(b, vpp)) -#define PVFS_STATVFS(b, sp,vp, rv) ((rv) = vfs_statvfs(b, sp,vp)) -#define PVFS_SYNC(b, flag,cr, rv) ((rv) = vfs_sync(b, flag,cr)) -#define PVFS_VGET(b, vpp,fidp, rv) ((rv) = vfs_vget(b, vpp,fidp)) -#define PVFS_DMAPIOPS(b, p, rv) ((rv) = vfs_dmapiops(b, p)) -#define PVFS_QUOTACTL(b, c,id,p, rv) ((rv) = vfs_quotactl(b, c,id,p)) -#define PVFS_INIT_VNODE(b, vp,b2,ul) ( vfs_init_vnode(b, vp,b2,ul) ) -#define PVFS_FORCE_SHUTDOWN(b, fl,f,l) ( vfs_force_shutdown(b, fl,f,l) ) -#define PVFS_FREEZE(b) ( vfs_freeze(b) ) +#define bhv_next_vfs_mount(b, ma,cr) vfs_mount(b, ma,cr) +#define bhv_next_vfs_parseargs(b, o,ma,f) vfs_parseargs(b, o,ma,f) +#define bhv_next_vfs_showargs(b, m) vfs_showargs(b, m) +#define bhv_next_vfs_unmount(b, f,cr) vfs_unmount(b, f,cr) +#define bhv_next_vfs_mntupdate(b, fl,args) vfs_mntupdate(b, fl, args) +#define bhv_next_vfs_root(b, vpp) vfs_root(b, vpp) +#define bhv_next_vfs_statvfs(b, sp,vp) vfs_statvfs(b, sp,vp) +#define bhv_next_vfs_sync(b, flag,cr) vfs_sync(b, flag,cr) +#define bhv_next_vfs_vget(b, vpp,fidp) vfs_vget(b, vpp,fidp) +#define bhv_next_vfs_dmapiops(b, p) vfs_dmapiops(b, p) +#define bhv_next_vfs_quotactl(b, c,id,p) vfs_quotactl(b, c,id,p) +#define bhv_next_vfs_init_vnode(b, vp,b2,ul) vfs_init_vnode(b, vp,b2,ul) +#define bhv_next_force_shutdown(b, fl,f,l) vfs_force_shutdown(b, fl,f,l) +#define bhv_next_vfs_freeze(b) vfs_freeze(b) extern int vfs_mount(bhv_desc_t *, struct xfs_mount_args *, struct cred *); extern int vfs_parseargs(bhv_desc_t *, char *, struct xfs_mount_args *, int); extern int vfs_showargs(bhv_desc_t *, struct seq_file *); extern int vfs_unmount(bhv_desc_t *, int, struct cred *); extern int vfs_mntupdate(bhv_desc_t *, int *, struct xfs_mount_args *); -extern int vfs_root(bhv_desc_t *, struct vnode **); -extern int vfs_statvfs(bhv_desc_t *, xfs_statfs_t *, struct vnode *); +extern int vfs_root(bhv_desc_t *, struct bhv_vnode **); +extern int vfs_statvfs(bhv_desc_t *, bhv_statvfs_t *, struct bhv_vnode *); extern int vfs_sync(bhv_desc_t *, int, struct cred *); -extern int vfs_vget(bhv_desc_t *, struct vnode **, struct fid *); +extern int vfs_vget(bhv_desc_t *, struct bhv_vnode **, struct fid *); extern int vfs_dmapiops(bhv_desc_t *, caddr_t); extern int vfs_quotactl(bhv_desc_t *, int, int, caddr_t); -extern void vfs_init_vnode(bhv_desc_t *, struct vnode *, bhv_desc_t *, int); +extern void vfs_init_vnode(bhv_desc_t *, struct bhv_vnode *, bhv_desc_t *, int); extern void vfs_force_shutdown(bhv_desc_t *, int, char *, int); extern void vfs_freeze(bhv_desc_t *); -typedef struct bhv_vfsops { - struct vfsops bhv_common; +#define vfs_test_for_freeze(vfs) ((vfs)->vfs_super->s_frozen) +#define vfs_wait_for_freeze(vfs,l) vfs_check_frozen((vfs)->vfs_super, (l)) + +typedef struct bhv_module_vfsops { + struct bhv_vfsops bhv_common; void * bhv_custom; -} bhv_vfsops_t; +} bhv_module_vfsops_t; -#define vfs_bhv_lookup(v, id) ( bhv_lookup_range(&(v)->vfs_bh, (id), (id)) ) -#define vfs_bhv_custom(b) ( ((bhv_vfsops_t *)BHV_OPS(b))->bhv_custom ) -#define vfs_bhv_set_custom(b,o) ( (b)->bhv_custom = (void *)(o)) -#define vfs_bhv_clr_custom(b) ( (b)->bhv_custom = NULL ) +#define vfs_bhv_lookup(v, id) (bhv_lookup_range(&(v)->vfs_bh, (id), (id))) +#define vfs_bhv_custom(b) (((bhv_module_vfsops_t*)BHV_OPS(b))->bhv_custom) +#define vfs_bhv_set_custom(b,o) ((b)->bhv_custom = (void *)(o)) +#define vfs_bhv_clr_custom(b) ((b)->bhv_custom = NULL) -extern vfs_t *vfs_allocate(struct super_block *); -extern vfs_t *vfs_from_sb(struct super_block *); -extern void vfs_deallocate(vfs_t *); -extern void vfs_insertops(vfs_t *, bhv_vfsops_t *); -extern void vfs_insertbhv(vfs_t *, bhv_desc_t *, vfsops_t *, void *); +extern bhv_vfs_t *vfs_allocate(struct super_block *); +extern bhv_vfs_t *vfs_from_sb(struct super_block *); +extern void vfs_deallocate(bhv_vfs_t *); +extern void vfs_insertbhv(bhv_vfs_t *, bhv_desc_t *, bhv_vfsops_t *, void *); -extern void bhv_insert_all_vfsops(struct vfs *); -extern void bhv_remove_all_vfsops(struct vfs *, int); -extern void bhv_remove_vfsops(struct vfs *, int); +extern void vfs_insertops(bhv_vfs_t *, bhv_module_vfsops_t *); -#define fs_frozen(vfsp) ((vfsp)->vfs_super->s_frozen) -#define fs_check_frozen(vfsp, level) \ - vfs_check_frozen(vfsp->vfs_super, level); +extern void bhv_insert_all_vfsops(struct bhv_vfs *); +extern void bhv_remove_all_vfsops(struct bhv_vfs *, int); +extern void bhv_remove_vfsops(struct bhv_vfs *, int); #endif /* __XFS_VFS_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c index d27c25b..6628d96 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.c +++ b/fs/xfs/linux-2.6/xfs_vnode.c @@ -39,7 +39,7 @@ vn_init(void) void vn_iowait( - struct vnode *vp) + bhv_vnode_t *vp) { wait_queue_head_t *wq = vptosync(vp); @@ -48,17 +48,33 @@ vn_iowait( void vn_iowake( - struct vnode *vp) + bhv_vnode_t *vp) { if (atomic_dec_and_test(&vp->v_iocount)) wake_up(vptosync(vp)); } -struct vnode * +/* + * Volume managers supporting multiple paths can send back ENODEV when the + * final path disappears. In this case continuing to fill the page cache + * with dirty data which cannot be written out is evil, so prevent that. + */ +void +vn_ioerror( + bhv_vnode_t *vp, + int error, + char *f, + int l) +{ + if (unlikely(error == -ENODEV)) + bhv_vfs_force_shutdown(vp->v_vfsp, SHUTDOWN_DEVICE_REQ, f, l); +} + +bhv_vnode_t * vn_initialize( struct inode *inode) { - struct vnode *vp = vn_from_inode(inode); + bhv_vnode_t *vp = vn_from_inode(inode); XFS_STATS_INC(vn_active); XFS_STATS_INC(vn_alloc); @@ -94,8 +110,8 @@ vn_initialize( */ void vn_revalidate_core( - struct vnode *vp, - vattr_t *vap) + bhv_vnode_t *vp, + bhv_vattr_t *vap) { struct inode *inode = vn_to_inode(vp); @@ -130,14 +146,14 @@ vn_revalidate_core( */ int __vn_revalidate( - struct vnode *vp, - struct vattr *vattr) + bhv_vnode_t *vp, + bhv_vattr_t *vattr) { int error; vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); vattr->va_mask = XFS_AT_STAT | XFS_AT_XFLAGS; - VOP_GETATTR(vp, vattr, 0, NULL, error); + error = bhv_vop_getattr(vp, vattr, 0, NULL); if (likely(!error)) { vn_revalidate_core(vp, vattr); VUNMODIFY(vp); @@ -147,9 +163,9 @@ __vn_revalidate( int vn_revalidate( - struct vnode *vp) + bhv_vnode_t *vp) { - vattr_t vattr; + bhv_vattr_t vattr; return __vn_revalidate(vp, &vattr); } @@ -157,9 +173,9 @@ vn_revalidate( /* * Add a reference to a referenced vnode. */ -struct vnode * +bhv_vnode_t * vn_hold( - struct vnode *vp) + bhv_vnode_t *vp) { struct inode *inode; @@ -192,31 +208,31 @@ vn_hold( * Vnode tracing code. */ void -vn_trace_entry(vnode_t *vp, const char *func, inst_t *ra) +vn_trace_entry(bhv_vnode_t *vp, const char *func, inst_t *ra) { KTRACE_ENTER(vp, VNODE_KTRACE_ENTRY, func, 0, ra); } void -vn_trace_exit(vnode_t *vp, const char *func, inst_t *ra) +vn_trace_exit(bhv_vnode_t *vp, const char *func, inst_t *ra) { KTRACE_ENTER(vp, VNODE_KTRACE_EXIT, func, 0, ra); } void -vn_trace_hold(vnode_t *vp, char *file, int line, inst_t *ra) +vn_trace_hold(bhv_vnode_t *vp, char *file, int line, inst_t *ra) { KTRACE_ENTER(vp, VNODE_KTRACE_HOLD, file, line, ra); } void -vn_trace_ref(vnode_t *vp, char *file, int line, inst_t *ra) +vn_trace_ref(bhv_vnode_t *vp, char *file, int line, inst_t *ra) { KTRACE_ENTER(vp, VNODE_KTRACE_REF, file, line, ra); } void -vn_trace_rele(vnode_t *vp, char *file, int line, inst_t *ra) +vn_trace_rele(bhv_vnode_t *vp, char *file, int line, inst_t *ra) { KTRACE_ENTER(vp, VNODE_KTRACE_RELE, file, line, ra); } diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h index 2a8e16c..35c6a01 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.h +++ b/fs/xfs/linux-2.6/xfs_vnode.h @@ -14,57 +14,35 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * Portions Copyright (c) 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. */ #ifndef __XFS_VNODE_H__ #define __XFS_VNODE_H__ struct uio; struct file; -struct vattr; +struct bhv_vfs; +struct bhv_vattr; struct xfs_iomap; struct attrlist_cursor_kern; +typedef struct dentry bhv_vname_t; +typedef __u64 bhv_vnumber_t; -typedef xfs_ino_t vnumber_t; -typedef struct dentry vname_t; -typedef bhv_head_t vn_bhv_head_t; +typedef enum bhv_vflags { + VMODIFIED = 0x08, /* XFS inode state possibly differs */ + /* to the Linux inode state. */ + VTRUNCATED = 0x40, /* truncated down so flush-on-close */ +} bhv_vflags_t; /* * MP locking protocols: * v_flag, v_vfsp VN_LOCK/VN_UNLOCK */ -typedef struct vnode { - __u32 v_flag; /* vnode flags (see below) */ - struct vfs *v_vfsp; /* ptr to containing VFS */ - vnumber_t v_number; /* in-core vnode number */ - vn_bhv_head_t v_bh; /* behavior head */ +typedef struct bhv_vnode { + bhv_vflags_t v_flag; /* vnode flags (see above) */ + bhv_vfs_t *v_vfsp; /* ptr to containing VFS */ + bhv_vnumber_t v_number; /* in-core vnode number */ + bhv_head_t v_bh; /* behavior head */ spinlock_t v_lock; /* VN_LOCK/VN_UNLOCK */ atomic_t v_iocount; /* outstanding I/O count */ #ifdef XFS_VNODE_TRACE @@ -72,7 +50,7 @@ typedef struct vnode { #endif struct inode v_inode; /* Linux inode */ /* inode MUST be last */ -} vnode_t; +} bhv_vnode_t; #define VN_ISLNK(vp) S_ISLNK((vp)->v_inode.i_mode) #define VN_ISREG(vp) S_ISREG((vp)->v_inode.i_mode) @@ -80,9 +58,6 @@ typedef struct vnode { #define VN_ISCHR(vp) S_ISCHR((vp)->v_inode.i_mode) #define VN_ISBLK(vp) S_ISBLK((vp)->v_inode.i_mode) -#define v_fbhv v_bh.bh_first /* first behavior */ -#define v_fops v_bh.bh_first->bd_ops /* first behavior ops */ - #define VNODE_POSITION_BASE BHV_POSITION_BASE /* chain bottom */ #define VNODE_POSITION_TOP BHV_POSITION_TOP /* chain top */ #define VNODE_POSITION_INVALID BHV_POSITION_INVALID /* invalid pos. num */ @@ -104,8 +79,8 @@ typedef enum { /* * Macros for dealing with the behavior descriptor inside of the vnode. */ -#define BHV_TO_VNODE(bdp) ((vnode_t *)BHV_VOBJ(bdp)) -#define BHV_TO_VNODE_NULL(bdp) ((vnode_t *)BHV_VOBJNULL(bdp)) +#define BHV_TO_VNODE(bdp) ((bhv_vnode_t *)BHV_VOBJ(bdp)) +#define BHV_TO_VNODE_NULL(bdp) ((bhv_vnode_t *)BHV_VOBJNULL(bdp)) #define VN_BHV_HEAD(vp) ((bhv_head_t *)(&((vp)->v_bh))) #define vn_bhv_head_init(bhp,name) bhv_head_init(bhp,name) @@ -116,35 +91,29 @@ typedef enum { /* * Vnode to Linux inode mapping. */ -static inline struct vnode *vn_from_inode(struct inode *inode) +static inline struct bhv_vnode *vn_from_inode(struct inode *inode) { - return (vnode_t *)list_entry(inode, vnode_t, v_inode); + return (bhv_vnode_t *)list_entry(inode, bhv_vnode_t, v_inode); } -static inline struct inode *vn_to_inode(struct vnode *vnode) +static inline struct inode *vn_to_inode(struct bhv_vnode *vnode) { return &vnode->v_inode; } /* - * Vnode flags. - */ -#define VMODIFIED 0x8 /* XFS inode state possibly differs */ - /* to the Linux inode state. */ - -/* - * Values for the VOP_RWLOCK and VOP_RWUNLOCK flags parameter. + * Values for the vop_rwlock/rwunlock flags parameter. */ -typedef enum vrwlock { +typedef enum bhv_vrwlock { VRWLOCK_NONE, VRWLOCK_READ, VRWLOCK_WRITE, VRWLOCK_WRITE_DIRECT, VRWLOCK_TRY_READ, VRWLOCK_TRY_WRITE -} vrwlock_t; +} bhv_vrwlock_t; /* - * Return values for VOP_INACTIVE. A return value of + * Return values for bhv_vop_inactive. A return value of * VN_INACTIVE_NOCACHE implies that the file system behavior * has disassociated its state and bhv_desc_t from the vnode. */ @@ -152,18 +121,20 @@ typedef enum vrwlock { #define VN_INACTIVE_NOCACHE 1 /* - * Values for the cmd code given to VOP_VNODE_CHANGE. + * Values for the cmd code given to vop_vnode_change. */ -typedef enum vchange { +typedef enum bhv_vchange { VCHANGE_FLAGS_FRLOCKS = 0, VCHANGE_FLAGS_ENF_LOCKING = 1, VCHANGE_FLAGS_TRUNCATED = 2, VCHANGE_FLAGS_PAGE_DIRTY = 3, VCHANGE_FLAGS_IOEXCL_COUNT = 4 -} vchange_t; +} bhv_vchange_t; +typedef enum { L_FALSE, L_TRUE } lastclose_t; typedef int (*vop_open_t)(bhv_desc_t *, struct cred *); +typedef int (*vop_close_t)(bhv_desc_t *, int, lastclose_t, struct cred *); typedef ssize_t (*vop_read_t)(bhv_desc_t *, struct kiocb *, const struct iovec *, unsigned int, loff_t *, int, struct cred *); @@ -181,27 +152,27 @@ typedef ssize_t (*vop_splice_write_t)(bhv_desc_t *, struct pipe_inode_info *, struct cred *); typedef int (*vop_ioctl_t)(bhv_desc_t *, struct inode *, struct file *, int, unsigned int, void __user *); -typedef int (*vop_getattr_t)(bhv_desc_t *, struct vattr *, int, +typedef int (*vop_getattr_t)(bhv_desc_t *, struct bhv_vattr *, int, struct cred *); -typedef int (*vop_setattr_t)(bhv_desc_t *, struct vattr *, int, +typedef int (*vop_setattr_t)(bhv_desc_t *, struct bhv_vattr *, int, struct cred *); typedef int (*vop_access_t)(bhv_desc_t *, int, struct cred *); -typedef int (*vop_lookup_t)(bhv_desc_t *, vname_t *, vnode_t **, - int, vnode_t *, struct cred *); -typedef int (*vop_create_t)(bhv_desc_t *, vname_t *, struct vattr *, - vnode_t **, struct cred *); -typedef int (*vop_remove_t)(bhv_desc_t *, vname_t *, struct cred *); -typedef int (*vop_link_t)(bhv_desc_t *, vnode_t *, vname_t *, - struct cred *); -typedef int (*vop_rename_t)(bhv_desc_t *, vname_t *, vnode_t *, vname_t *, +typedef int (*vop_lookup_t)(bhv_desc_t *, bhv_vname_t *, bhv_vnode_t **, + int, bhv_vnode_t *, struct cred *); +typedef int (*vop_create_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr *, + bhv_vnode_t **, struct cred *); +typedef int (*vop_remove_t)(bhv_desc_t *, bhv_vname_t *, struct cred *); +typedef int (*vop_link_t)(bhv_desc_t *, bhv_vnode_t *, bhv_vname_t *, struct cred *); -typedef int (*vop_mkdir_t)(bhv_desc_t *, vname_t *, struct vattr *, - vnode_t **, struct cred *); -typedef int (*vop_rmdir_t)(bhv_desc_t *, vname_t *, struct cred *); +typedef int (*vop_rename_t)(bhv_desc_t *, bhv_vname_t *, bhv_vnode_t *, + bhv_vname_t *, struct cred *); +typedef int (*vop_mkdir_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr *, + bhv_vnode_t **, struct cred *); +typedef int (*vop_rmdir_t)(bhv_desc_t *, bhv_vname_t *, struct cred *); typedef int (*vop_readdir_t)(bhv_desc_t *, struct uio *, struct cred *, int *); -typedef int (*vop_symlink_t)(bhv_desc_t *, vname_t *, struct vattr *, - char *, vnode_t **, struct cred *); +typedef int (*vop_symlink_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr*, + char *, bhv_vnode_t **, struct cred *); typedef int (*vop_readlink_t)(bhv_desc_t *, struct uio *, int, struct cred *); typedef int (*vop_fsync_t)(bhv_desc_t *, int, struct cred *, @@ -209,8 +180,8 @@ typedef int (*vop_fsync_t)(bhv_desc_t *, int, struct cred *, typedef int (*vop_inactive_t)(bhv_desc_t *, struct cred *); typedef int (*vop_fid2_t)(bhv_desc_t *, struct fid *); typedef int (*vop_release_t)(bhv_desc_t *); -typedef int (*vop_rwlock_t)(bhv_desc_t *, vrwlock_t); -typedef void (*vop_rwunlock_t)(bhv_desc_t *, vrwlock_t); +typedef int (*vop_rwlock_t)(bhv_desc_t *, bhv_vrwlock_t); +typedef void (*vop_rwunlock_t)(bhv_desc_t *, bhv_vrwlock_t); typedef int (*vop_bmap_t)(bhv_desc_t *, xfs_off_t, ssize_t, int, struct xfs_iomap *, int *); typedef int (*vop_reclaim_t)(bhv_desc_t *); @@ -222,8 +193,8 @@ typedef int (*vop_attr_remove_t)(bhv_desc_t *, const char *, int, struct cred *); typedef int (*vop_attr_list_t)(bhv_desc_t *, char *, int, int, struct attrlist_cursor_kern *, struct cred *); -typedef void (*vop_link_removed_t)(bhv_desc_t *, vnode_t *, int); -typedef void (*vop_vnode_change_t)(bhv_desc_t *, vchange_t, __psint_t); +typedef void (*vop_link_removed_t)(bhv_desc_t *, bhv_vnode_t *, int); +typedef void (*vop_vnode_change_t)(bhv_desc_t *, bhv_vchange_t, __psint_t); typedef void (*vop_ptossvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int); typedef void (*vop_pflushinvalvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int); typedef int (*vop_pflushvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, @@ -231,9 +202,10 @@ typedef int (*vop_pflushvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, typedef int (*vop_iflush_t)(bhv_desc_t *, int); -typedef struct vnodeops { +typedef struct bhv_vnodeops { bhv_position_t vn_position; /* position within behavior chain */ vop_open_t vop_open; + vop_close_t vop_close; vop_read_t vop_read; vop_write_t vop_write; vop_sendfile_t vop_sendfile; @@ -271,103 +243,80 @@ typedef struct vnodeops { vop_pflushvp_t vop_flush_pages; vop_release_t vop_release; vop_iflush_t vop_iflush; -} vnodeops_t; +} bhv_vnodeops_t; /* - * VOP's. - */ -#define _VOP_(op, vp) (*((vnodeops_t *)(vp)->v_fops)->op) - -#define VOP_READ(vp,file,iov,segs,offset,ioflags,cr,rv) \ - rv = _VOP_(vop_read, vp)((vp)->v_fbhv,file,iov,segs,offset,ioflags,cr) -#define VOP_WRITE(vp,file,iov,segs,offset,ioflags,cr,rv) \ - rv = _VOP_(vop_write, vp)((vp)->v_fbhv,file,iov,segs,offset,ioflags,cr) -#define VOP_SENDFILE(vp,f,off,ioflags,cnt,act,targ,cr,rv) \ - rv = _VOP_(vop_sendfile, vp)((vp)->v_fbhv,f,off,ioflags,cnt,act,targ,cr) -#define VOP_SPLICE_READ(vp,f,o,pipe,cnt,fl,iofl,cr,rv) \ - rv = _VOP_(vop_splice_read, vp)((vp)->v_fbhv,f,o,pipe,cnt,fl,iofl,cr) -#define VOP_SPLICE_WRITE(vp,f,o,pipe,cnt,fl,iofl,cr,rv) \ - rv = _VOP_(vop_splice_write, vp)((vp)->v_fbhv,f,o,pipe,cnt,fl,iofl,cr) -#define VOP_BMAP(vp,of,sz,rw,b,n,rv) \ - rv = _VOP_(vop_bmap, vp)((vp)->v_fbhv,of,sz,rw,b,n) -#define VOP_OPEN(vp, cr, rv) \ - rv = _VOP_(vop_open, vp)((vp)->v_fbhv, cr) -#define VOP_GETATTR(vp, vap, f, cr, rv) \ - rv = _VOP_(vop_getattr, vp)((vp)->v_fbhv, vap, f, cr) -#define VOP_SETATTR(vp, vap, f, cr, rv) \ - rv = _VOP_(vop_setattr, vp)((vp)->v_fbhv, vap, f, cr) -#define VOP_ACCESS(vp, mode, cr, rv) \ - rv = _VOP_(vop_access, vp)((vp)->v_fbhv, mode, cr) -#define VOP_LOOKUP(vp,d,vpp,f,rdir,cr,rv) \ - rv = _VOP_(vop_lookup, vp)((vp)->v_fbhv,d,vpp,f,rdir,cr) -#define VOP_CREATE(dvp,d,vap,vpp,cr,rv) \ - rv = _VOP_(vop_create, dvp)((dvp)->v_fbhv,d,vap,vpp,cr) -#define VOP_REMOVE(dvp,d,cr,rv) \ - rv = _VOP_(vop_remove, dvp)((dvp)->v_fbhv,d,cr) -#define VOP_LINK(tdvp,fvp,d,cr,rv) \ - rv = _VOP_(vop_link, tdvp)((tdvp)->v_fbhv,fvp,d,cr) -#define VOP_RENAME(fvp,fnm,tdvp,tnm,cr,rv) \ - rv = _VOP_(vop_rename, fvp)((fvp)->v_fbhv,fnm,tdvp,tnm,cr) -#define VOP_MKDIR(dp,d,vap,vpp,cr,rv) \ - rv = _VOP_(vop_mkdir, dp)((dp)->v_fbhv,d,vap,vpp,cr) -#define VOP_RMDIR(dp,d,cr,rv) \ - rv = _VOP_(vop_rmdir, dp)((dp)->v_fbhv,d,cr) -#define VOP_READDIR(vp,uiop,cr,eofp,rv) \ - rv = _VOP_(vop_readdir, vp)((vp)->v_fbhv,uiop,cr,eofp) -#define VOP_SYMLINK(dvp,d,vap,tnm,vpp,cr,rv) \ - rv = _VOP_(vop_symlink, dvp) ((dvp)->v_fbhv,d,vap,tnm,vpp,cr) -#define VOP_READLINK(vp,uiop,fl,cr,rv) \ - rv = _VOP_(vop_readlink, vp)((vp)->v_fbhv,uiop,fl,cr) -#define VOP_FSYNC(vp,f,cr,b,e,rv) \ - rv = _VOP_(vop_fsync, vp)((vp)->v_fbhv,f,cr,b,e) -#define VOP_INACTIVE(vp, cr, rv) \ - rv = _VOP_(vop_inactive, vp)((vp)->v_fbhv, cr) -#define VOP_RELEASE(vp, rv) \ - rv = _VOP_(vop_release, vp)((vp)->v_fbhv) -#define VOP_FID2(vp, fidp, rv) \ - rv = _VOP_(vop_fid2, vp)((vp)->v_fbhv, fidp) -#define VOP_RWLOCK(vp,i) \ - (void)_VOP_(vop_rwlock, vp)((vp)->v_fbhv, i) -#define VOP_RWLOCK_TRY(vp,i) \ - _VOP_(vop_rwlock, vp)((vp)->v_fbhv, i) -#define VOP_RWUNLOCK(vp,i) \ - (void)_VOP_(vop_rwunlock, vp)((vp)->v_fbhv, i) -#define VOP_FRLOCK(vp,c,fl,flags,offset,fr,rv) \ - rv = _VOP_(vop_frlock, vp)((vp)->v_fbhv,c,fl,flags,offset,fr) -#define VOP_RECLAIM(vp, rv) \ - rv = _VOP_(vop_reclaim, vp)((vp)->v_fbhv) -#define VOP_ATTR_GET(vp, name, val, vallenp, fl, cred, rv) \ - rv = _VOP_(vop_attr_get, vp)((vp)->v_fbhv,name,val,vallenp,fl,cred) -#define VOP_ATTR_SET(vp, name, val, vallen, fl, cred, rv) \ - rv = _VOP_(vop_attr_set, vp)((vp)->v_fbhv,name,val,vallen,fl,cred) -#define VOP_ATTR_REMOVE(vp, name, flags, cred, rv) \ - rv = _VOP_(vop_attr_remove, vp)((vp)->v_fbhv,name,flags,cred) -#define VOP_ATTR_LIST(vp, buf, buflen, fl, cursor, cred, rv) \ - rv = _VOP_(vop_attr_list, vp)((vp)->v_fbhv,buf,buflen,fl,cursor,cred) -#define VOP_LINK_REMOVED(vp, dvp, linkzero) \ - (void)_VOP_(vop_link_removed, vp)((vp)->v_fbhv, dvp, linkzero) -#define VOP_VNODE_CHANGE(vp, cmd, val) \ - (void)_VOP_(vop_vnode_change, vp)((vp)->v_fbhv,cmd,val) -/* - * These are page cache functions that now go thru VOPs. - * 'last' parameter is unused and left in for IRIX compatibility + * Virtual node operations, operating from head bhv. */ -#define VOP_TOSS_PAGES(vp, first, last, fiopt) \ - _VOP_(vop_tosspages, vp)((vp)->v_fbhv,first, last, fiopt) -/* - * 'last' parameter is unused and left in for IRIX compatibility - */ -#define VOP_FLUSHINVAL_PAGES(vp, first, last, fiopt) \ - _VOP_(vop_flushinval_pages, vp)((vp)->v_fbhv,first,last,fiopt) -/* - * 'last' parameter is unused and left in for IRIX compatibility - */ -#define VOP_FLUSH_PAGES(vp, first, last, flags, fiopt, rv) \ - rv = _VOP_(vop_flush_pages, vp)((vp)->v_fbhv,first,last,flags,fiopt) -#define VOP_IOCTL(vp, inode, filp, fl, cmd, arg, rv) \ - rv = _VOP_(vop_ioctl, vp)((vp)->v_fbhv,inode,filp,fl,cmd,arg) -#define VOP_IFLUSH(vp, flags, rv) \ - rv = _VOP_(vop_iflush, vp)((vp)->v_fbhv, flags) +#define VNHEAD(vp) ((vp)->v_bh.bh_first) +#define VOP(op, vp) (*((bhv_vnodeops_t *)VNHEAD(vp)->bd_ops)->op) +#define bhv_vop_open(vp, cr) VOP(vop_open, vp)(VNHEAD(vp),cr) +#define bhv_vop_close(vp, f,last,cr) VOP(vop_close, vp)(VNHEAD(vp),f,last,cr) +#define bhv_vop_read(vp,file,iov,segs,offset,ioflags,cr) \ + VOP(vop_read, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr) +#define bhv_vop_write(vp,file,iov,segs,offset,ioflags,cr) \ + VOP(vop_write, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr) +#define bhv_vop_sendfile(vp,f,off,ioflags,cnt,act,targ,cr) \ + VOP(vop_sendfile, vp)(VNHEAD(vp),f,off,ioflags,cnt,act,targ,cr) +#define bhv_vop_splice_read(vp,f,o,pipe,cnt,fl,iofl,cr) \ + VOP(vop_splice_read, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr) +#define bhv_vop_splice_write(vp,f,o,pipe,cnt,fl,iofl,cr) \ + VOP(vop_splice_write, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr) +#define bhv_vop_bmap(vp,of,sz,rw,b,n) \ + VOP(vop_bmap, vp)(VNHEAD(vp),of,sz,rw,b,n) +#define bhv_vop_getattr(vp, vap,f,cr) \ + VOP(vop_getattr, vp)(VNHEAD(vp), vap,f,cr) +#define bhv_vop_setattr(vp, vap,f,cr) \ + VOP(vop_setattr, vp)(VNHEAD(vp), vap,f,cr) +#define bhv_vop_access(vp, mode,cr) VOP(vop_access, vp)(VNHEAD(vp), mode,cr) +#define bhv_vop_lookup(vp,d,vpp,f,rdir,cr) \ + VOP(vop_lookup, vp)(VNHEAD(vp),d,vpp,f,rdir,cr) +#define bhv_vop_create(dvp,d,vap,vpp,cr) \ + VOP(vop_create, dvp)(VNHEAD(dvp),d,vap,vpp,cr) +#define bhv_vop_remove(dvp,d,cr) VOP(vop_remove, dvp)(VNHEAD(dvp),d,cr) +#define bhv_vop_link(dvp,fvp,d,cr) VOP(vop_link, dvp)(VNHEAD(dvp),fvp,d,cr) +#define bhv_vop_rename(fvp,fnm,tdvp,tnm,cr) \ + VOP(vop_rename, fvp)(VNHEAD(fvp),fnm,tdvp,tnm,cr) +#define bhv_vop_mkdir(dp,d,vap,vpp,cr) \ + VOP(vop_mkdir, dp)(VNHEAD(dp),d,vap,vpp,cr) +#define bhv_vop_rmdir(dp,d,cr) VOP(vop_rmdir, dp)(VNHEAD(dp),d,cr) +#define bhv_vop_readdir(vp,uiop,cr,eofp) \ + VOP(vop_readdir, vp)(VNHEAD(vp),uiop,cr,eofp) +#define bhv_vop_symlink(dvp,d,vap,tnm,vpp,cr) \ + VOP(vop_symlink, dvp)(VNHEAD(dvp),d,vap,tnm,vpp,cr) +#define bhv_vop_readlink(vp,uiop,fl,cr) \ + VOP(vop_readlink, vp)(VNHEAD(vp),uiop,fl,cr) +#define bhv_vop_fsync(vp,f,cr,b,e) VOP(vop_fsync, vp)(VNHEAD(vp),f,cr,b,e) +#define bhv_vop_inactive(vp,cr) VOP(vop_inactive, vp)(VNHEAD(vp),cr) +#define bhv_vop_release(vp) VOP(vop_release, vp)(VNHEAD(vp)) +#define bhv_vop_fid2(vp,fidp) VOP(vop_fid2, vp)(VNHEAD(vp),fidp) +#define bhv_vop_rwlock(vp,i) VOP(vop_rwlock, vp)(VNHEAD(vp),i) +#define bhv_vop_rwlock_try(vp,i) VOP(vop_rwlock, vp)(VNHEAD(vp),i) +#define bhv_vop_rwunlock(vp,i) VOP(vop_rwunlock, vp)(VNHEAD(vp),i) +#define bhv_vop_frlock(vp,c,fl,flags,offset,fr) \ + VOP(vop_frlock, vp)(VNHEAD(vp),c,fl,flags,offset,fr) +#define bhv_vop_reclaim(vp) VOP(vop_reclaim, vp)(VNHEAD(vp)) +#define bhv_vop_attr_get(vp, name, val, vallenp, fl, cred) \ + VOP(vop_attr_get, vp)(VNHEAD(vp),name,val,vallenp,fl,cred) +#define bhv_vop_attr_set(vp, name, val, vallen, fl, cred) \ + VOP(vop_attr_set, vp)(VNHEAD(vp),name,val,vallen,fl,cred) +#define bhv_vop_attr_remove(vp, name, flags, cred) \ + VOP(vop_attr_remove, vp)(VNHEAD(vp),name,flags,cred) +#define bhv_vop_attr_list(vp, buf, buflen, fl, cursor, cred) \ + VOP(vop_attr_list, vp)(VNHEAD(vp),buf,buflen,fl,cursor,cred) +#define bhv_vop_link_removed(vp, dvp, linkzero) \ + VOP(vop_link_removed, vp)(VNHEAD(vp), dvp, linkzero) +#define bhv_vop_vnode_change(vp, cmd, val) \ + VOP(vop_vnode_change, vp)(VNHEAD(vp), cmd, val) +#define bhv_vop_toss_pages(vp, first, last, fiopt) \ + VOP(vop_tosspages, vp)(VNHEAD(vp), first, last, fiopt) +#define bhv_vop_flushinval_pages(vp, first, last, fiopt) \ + VOP(vop_flushinval_pages, vp)(VNHEAD(vp),first,last,fiopt) +#define bhv_vop_flush_pages(vp, first, last, flags, fiopt) \ + VOP(vop_flush_pages, vp)(VNHEAD(vp),first,last,flags,fiopt) +#define bhv_vop_ioctl(vp, inode, filp, fl, cmd, arg) \ + VOP(vop_ioctl, vp)(VNHEAD(vp),inode,filp,fl,cmd,arg) +#define bhv_vop_iflush(vp, flags) VOP(vop_iflush, vp)(VNHEAD(vp), flags) /* * Flags for read/write calls - same values as IRIX @@ -377,7 +326,7 @@ typedef struct vnodeops { #define IO_INVIS 0x00020 /* don't update inode timestamps */ /* - * Flags for VOP_IFLUSH call + * Flags for vop_iflush call */ #define FLUSH_SYNC 1 /* wait for flush to complete */ #define FLUSH_INODE 2 /* flush the inode itself */ @@ -385,8 +334,7 @@ typedef struct vnodeops { * this inode out to disk */ /* - * Flush/Invalidate options for VOP_TOSS_PAGES, VOP_FLUSHINVAL_PAGES and - * VOP_FLUSH_PAGES. + * Flush/Invalidate options for vop_toss/flush/flushinval_pages. */ #define FI_NONE 0 /* none */ #define FI_REMAPF 1 /* Do a remapf prior to the operation */ @@ -398,7 +346,7 @@ typedef struct vnodeops { * Vnode attributes. va_mask indicates those attributes the caller * wants to set or extract. */ -typedef struct vattr { +typedef struct bhv_vattr { int va_mask; /* bit-mask of attributes present */ mode_t va_mode; /* file access mode and type */ xfs_nlink_t va_nlink; /* number of references to file */ @@ -418,7 +366,7 @@ typedef struct vattr { u_long va_nextents; /* number of extents in file */ u_long va_anextents; /* number of attr extents in file */ prid_t va_projid; /* project id */ -} vattr_t; +} bhv_vattr_t; /* * setattr or getattr attributes @@ -492,29 +440,17 @@ typedef struct vattr { (VN_ISREG(vp) && ((mode) & (VSGID|(VEXEC>>3))) == VSGID) extern void vn_init(void); -extern vnode_t *vn_initialize(struct inode *); - -/* - * vnode_map structures _must_ match vn_epoch and vnode structure sizes. - */ -typedef struct vnode_map { - vfs_t *v_vfsp; - vnumber_t v_number; /* in-core vnode number */ - xfs_ino_t v_ino; /* inode # */ -} vmap_t; - -#define VMAP(vp, vmap) {(vmap).v_vfsp = (vp)->v_vfsp, \ - (vmap).v_number = (vp)->v_number, \ - (vmap).v_ino = (vp)->v_inode.i_ino; } +extern bhv_vnode_t *vn_initialize(struct inode *); +extern int vn_revalidate(struct bhv_vnode *); +extern int __vn_revalidate(struct bhv_vnode *, bhv_vattr_t *); +extern void vn_revalidate_core(struct bhv_vnode *, bhv_vattr_t *); -extern int vn_revalidate(struct vnode *); -extern int __vn_revalidate(struct vnode *, vattr_t *); -extern void vn_revalidate_core(struct vnode *, vattr_t *); +extern void vn_iowait(struct bhv_vnode *vp); +extern void vn_iowake(struct bhv_vnode *vp); -extern void vn_iowait(struct vnode *vp); -extern void vn_iowake(struct vnode *vp); +extern void vn_ioerror(struct bhv_vnode *vp, int error, char *f, int l); -static inline int vn_count(struct vnode *vp) +static inline int vn_count(struct bhv_vnode *vp) { return atomic_read(&vn_to_inode(vp)->i_count); } @@ -522,7 +458,7 @@ static inline int vn_count(struct vnode *vp) /* * Vnode reference counting functions (and macros for compatibility). */ -extern vnode_t *vn_hold(struct vnode *); +extern bhv_vnode_t *vn_hold(struct bhv_vnode *); #if defined(XFS_VNODE_TRACE) #define VN_HOLD(vp) \ @@ -536,7 +472,7 @@ extern vnode_t *vn_hold(struct vnode *); #define VN_RELE(vp) (iput(vn_to_inode(vp))) #endif -static inline struct vnode *vn_grab(struct vnode *vp) +static inline struct bhv_vnode *vn_grab(struct bhv_vnode *vp) { struct inode *inode = igrab(vn_to_inode(vp)); return inode ? vn_from_inode(inode) : NULL; @@ -554,32 +490,39 @@ static inline struct vnode *vn_grab(struct vnode *vp) */ #define VN_LOCK(vp) mutex_spinlock(&(vp)->v_lock) #define VN_UNLOCK(vp, s) mutex_spinunlock(&(vp)->v_lock, s) -#define VN_FLAGSET(vp,b) vn_flagset(vp,b) -#define VN_FLAGCLR(vp,b) vn_flagclr(vp,b) -static __inline__ void vn_flagset(struct vnode *vp, uint flag) +static __inline__ void vn_flagset(struct bhv_vnode *vp, uint flag) { spin_lock(&vp->v_lock); vp->v_flag |= flag; spin_unlock(&vp->v_lock); } -static __inline__ void vn_flagclr(struct vnode *vp, uint flag) +static __inline__ uint vn_flagclr(struct bhv_vnode *vp, uint flag) { + uint cleared; + spin_lock(&vp->v_lock); + cleared = (vp->v_flag & flag); vp->v_flag &= ~flag; spin_unlock(&vp->v_lock); + return cleared; } +#define VMODIFY(vp) vn_flagset(vp, VMODIFIED) +#define VUNMODIFY(vp) vn_flagclr(vp, VMODIFIED) +#define VTRUNCATE(vp) vn_flagset(vp, VTRUNCATED) +#define VUNTRUNCATE(vp) vn_flagclr(vp, VTRUNCATED) + /* * Dealing with bad inodes */ -static inline void vn_mark_bad(struct vnode *vp) +static inline void vn_mark_bad(struct bhv_vnode *vp) { make_bad_inode(vn_to_inode(vp)); } -static inline int VN_BAD(struct vnode *vp) +static inline int VN_BAD(struct bhv_vnode *vp) { return is_bad_inode(vn_to_inode(vp)); } @@ -587,18 +530,18 @@ static inline int VN_BAD(struct vnode *vp) /* * Extracting atime values in various formats */ -static inline void vn_atime_to_bstime(struct vnode *vp, xfs_bstime_t *bs_atime) +static inline void vn_atime_to_bstime(bhv_vnode_t *vp, xfs_bstime_t *bs_atime) { bs_atime->tv_sec = vp->v_inode.i_atime.tv_sec; bs_atime->tv_nsec = vp->v_inode.i_atime.tv_nsec; } -static inline void vn_atime_to_timespec(struct vnode *vp, struct timespec *ts) +static inline void vn_atime_to_timespec(bhv_vnode_t *vp, struct timespec *ts) { *ts = vp->v_inode.i_atime; } -static inline void vn_atime_to_time_t(struct vnode *vp, time_t *tt) +static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt) { *tt = vp->v_inode.i_atime.tv_sec; } @@ -610,11 +553,10 @@ static inline void vn_atime_to_time_t(struct vnode *vp, time_t *tt) #define VN_CACHED(vp) (vn_to_inode(vp)->i_mapping->nrpages) #define VN_DIRTY(vp) mapping_tagged(vn_to_inode(vp)->i_mapping, \ PAGECACHE_TAG_DIRTY) -#define VMODIFY(vp) VN_FLAGSET(vp, VMODIFIED) -#define VUNMODIFY(vp) VN_FLAGCLR(vp, VMODIFIED) +#define VN_TRUNC(vp) ((vp)->v_flag & VTRUNCATED) /* - * Flags to VOP_SETATTR/VOP_GETATTR. + * Flags to vop_setattr/getattr. */ #define ATTR_UTIME 0x01 /* non-default utime(2) request */ #define ATTR_DMI 0x08 /* invocation from a DMI function */ @@ -624,7 +566,7 @@ static inline void vn_atime_to_time_t(struct vnode *vp, time_t *tt) #define ATTR_NOSIZETOK 0x400 /* Don't get the SIZE token */ /* - * Flags to VOP_FSYNC and VOP_RECLAIM. + * Flags to vop_fsync/reclaim. */ #define FSYNC_NOWAIT 0 /* asynchronous flush */ #define FSYNC_WAIT 0x1 /* synchronous fsync or forced reclaim */ @@ -643,11 +585,11 @@ static inline void vn_atime_to_time_t(struct vnode *vp, time_t *tt) #define VNODE_KTRACE_REF 4 #define VNODE_KTRACE_RELE 5 -extern void vn_trace_entry(struct vnode *, const char *, inst_t *); -extern void vn_trace_exit(struct vnode *, const char *, inst_t *); -extern void vn_trace_hold(struct vnode *, char *, int, inst_t *); -extern void vn_trace_ref(struct vnode *, char *, int, inst_t *); -extern void vn_trace_rele(struct vnode *, char *, int, inst_t *); +extern void vn_trace_entry(struct bhv_vnode *, const char *, inst_t *); +extern void vn_trace_exit(struct bhv_vnode *, const char *, inst_t *); +extern void vn_trace_hold(struct bhv_vnode *, char *, int, inst_t *); +extern void vn_trace_ref(struct bhv_vnode *, char *, int, inst_t *); +extern void vn_trace_rele(struct bhv_vnode *, char *, int, inst_t *); #define VN_TRACE(vp) \ vn_trace_ref(vp, __FILE__, __LINE__, (inst_t *)__return_address) diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c index 772ac48..3aa7715 100644 --- a/fs/xfs/quota/xfs_dquot.c +++ b/fs/xfs/quota/xfs_dquot.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -444,7 +442,7 @@ xfs_qm_dqalloc( XFS_BMAPI_METADATA | XFS_BMAPI_WRITE, &firstblock, XFS_QM_DQALLOC_SPACE_RES(mp), - &map, &nmaps, &flist))) { + &map, &nmaps, &flist, NULL))) { goto error0; } ASSERT(map.br_blockcount == XFS_DQUOT_CLUSTER_SIZE_FSB); @@ -559,7 +557,7 @@ xfs_qm_dqtobp( error = xfs_bmapi(NULL, quotip, dqp->q_fileoffset, XFS_DQUOT_CLUSTER_SIZE_FSB, XFS_BMAPI_METADATA, - NULL, 0, &map, &nmaps, NULL); + NULL, 0, &map, &nmaps, NULL, NULL); xfs_iunlock(quotip, XFS_ILOCK_SHARED); if (error) @@ -1261,7 +1259,7 @@ xfs_qm_dqflush( if (xfs_qm_dqcheck(&dqp->q_core, be32_to_cpu(ddqp->d_id), 0, XFS_QMOPT_DOWARN, "dqflush (incore copy)")) { - xfs_force_shutdown(dqp->q_mount, XFS_CORRUPT_INCORE); + xfs_force_shutdown(dqp->q_mount, SHUTDOWN_CORRUPT_INCORE); return XFS_ERROR(EIO); } diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h index c0c6296..78d3ab9 100644 --- a/fs/xfs/quota/xfs_dquot.h +++ b/fs/xfs/quota/xfs_dquot.h @@ -119,7 +119,7 @@ XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp) */ #define xfs_dqflock(dqp) { psema(&((dqp)->q_flock), PINOD | PRECALC);\ (dqp)->dq_flags |= XFS_DQ_FLOCKED; } -#define xfs_dqfunlock(dqp) { ASSERT(valusema(&((dqp)->q_flock)) <= 0); \ +#define xfs_dqfunlock(dqp) { ASSERT(issemalocked(&((dqp)->q_flock))); \ vsema(&((dqp)->q_flock)); \ (dqp)->dq_flags &= ~(XFS_DQ_FLOCKED); } @@ -128,7 +128,7 @@ XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp) #define XFS_DQ_PINUNLOCK(dqp, s) mutex_spinunlock( \ &(XFS_DQ_TO_QINF(dqp)->qi_pinlock), s) -#define XFS_DQ_IS_FLUSH_LOCKED(dqp) (valusema(&((dqp)->q_flock)) <= 0) +#define XFS_DQ_IS_FLUSH_LOCKED(dqp) (issemalocked(&((dqp)->q_flock))) #define XFS_DQ_IS_ON_FREELIST(dqp) ((dqp)->dq_flnext != (dqp)) #define XFS_DQ_IS_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY) #define XFS_QM_ISUDQ(dqp) ((dqp)->dq_flags & XFS_DQ_USER) diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c index 546f48a..5b2dcc5 100644 --- a/fs/xfs/quota/xfs_dquot_item.c +++ b/fs/xfs/quota/xfs_dquot_item.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -248,7 +246,7 @@ xfs_qm_dquot_logitem_pushbuf( * inode flush completed and the inode was taken off the AIL. * So, just get out. */ - if ((valusema(&(dqp->q_flock)) > 0) || + if (!issemalocked(&(dqp->q_flock)) || ((qip->qli_item.li_flags & XFS_LI_IN_AIL) == 0)) { qip->qli_pushbuf_flag = 0; xfs_dqunlock(dqp); @@ -261,7 +259,7 @@ xfs_qm_dquot_logitem_pushbuf( if (bp != NULL) { if (XFS_BUF_ISDELAYWRITE(bp)) { dopush = ((qip->qli_item.li_flags & XFS_LI_IN_AIL) && - (valusema(&(dqp->q_flock)) <= 0)); + issemalocked(&(dqp->q_flock))); qip->qli_pushbuf_flag = 0; xfs_dqunlock(dqp); diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index 7fb5eca..e23e455 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -24,7 +24,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -33,7 +32,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -1603,7 +1601,7 @@ xfs_qm_dqiterate( maxlblkcnt - lblkno, XFS_BMAPI_METADATA, NULL, - 0, map, &nmaps, NULL); + 0, map, &nmaps, NULL, NULL); xfs_iunlock(qip, XFS_ILOCK_SHARED); if (error) break; @@ -1905,9 +1903,7 @@ xfs_qm_quotacheck( */ if ((error = xfs_bulkstat(mp, &lastino, &count, xfs_qm_dqusage_adjust, NULL, - structsz, NULL, - BULKSTAT_FG_IGET|BULKSTAT_FG_VFSLOCKED, - &done))) + structsz, NULL, BULKSTAT_FG_IGET, &done))) break; } while (! done); diff --git a/fs/xfs/quota/xfs_qm_bhv.c b/fs/xfs/quota/xfs_qm_bhv.c index 6838b36..e95e99f 100644 --- a/fs/xfs/quota/xfs_qm_bhv.c +++ b/fs/xfs/quota/xfs_qm_bhv.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -24,7 +24,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -33,7 +32,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -129,7 +127,7 @@ xfs_qm_parseargs( return XFS_ERROR(EINVAL); } - PVFS_PARSEARGS(BHV_NEXT(bhv), options, args, update, error); + error = bhv_next_vfs_parseargs(BHV_NEXT(bhv), options, args, update); if (!error && !referenced) bhv_remove_vfsops(bhvtovfs(bhv), VFS_POSITION_QM); return error; @@ -140,9 +138,8 @@ xfs_qm_showargs( struct bhv_desc *bhv, struct seq_file *m) { - struct vfs *vfsp = bhvtovfs(bhv); + struct bhv_vfs *vfsp = bhvtovfs(bhv); struct xfs_mount *mp = XFS_VFSTOM(vfsp); - int error; if (mp->m_qflags & XFS_UQUOTA_ACCT) { (mp->m_qflags & XFS_UQUOTA_ENFD) ? @@ -165,8 +162,7 @@ xfs_qm_showargs( if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT)) seq_puts(m, "," MNTOPT_NOQUOTA); - PVFS_SHOWARGS(BHV_NEXT(bhv), m, error); - return error; + return bhv_next_vfs_showargs(BHV_NEXT(bhv), m); } STATIC int @@ -175,14 +171,67 @@ xfs_qm_mount( struct xfs_mount_args *args, struct cred *cr) { - struct vfs *vfsp = bhvtovfs(bhv); + struct bhv_vfs *vfsp = bhvtovfs(bhv); struct xfs_mount *mp = XFS_VFSTOM(vfsp); - int error; if (args->flags & (XFSMNT_UQUOTA | XFSMNT_GQUOTA | XFSMNT_PQUOTA)) xfs_qm_mount_quotainit(mp, args->flags); - PVFS_MOUNT(BHV_NEXT(bhv), args, cr, error); - return error; + return bhv_next_vfs_mount(BHV_NEXT(bhv), args, cr); +} + +/* + * Directory tree accounting is implemented using project quotas, where + * the project identifier is inherited from parent directories. + * A statvfs (df, etc.) of a directory that is using project quota should + * return a statvfs of the project, not the entire filesystem. + * This makes such trees appear as if they are filesystems in themselves. + */ +STATIC int +xfs_qm_statvfs( + struct bhv_desc *bhv, + bhv_statvfs_t *statp, + struct bhv_vnode *vnode) +{ + xfs_mount_t *mp; + xfs_inode_t *ip; + xfs_dquot_t *dqp; + xfs_disk_dquot_t *dp; + __uint64_t limit; + int error; + + error = bhv_next_vfs_statvfs(BHV_NEXT(bhv), statp, vnode); + if (error || !vnode) + return error; + + mp = XFS_BHVTOM(bhv); + ip = xfs_vtoi(vnode); + + if (!(ip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT)) + return 0; + if (!(mp->m_qflags & XFS_PQUOTA_ACCT)) + return 0; + if (!(mp->m_qflags & XFS_OQUOTA_ENFD)) + return 0; + + if (xfs_qm_dqget(mp, NULL, ip->i_d.di_projid, XFS_DQ_PROJ, 0, &dqp)) + return 0; + dp = &dqp->q_core; + + limit = dp->d_blk_softlimit ? dp->d_blk_softlimit : dp->d_blk_hardlimit; + if (limit && statp->f_blocks > limit) { + statp->f_blocks = limit; + statp->f_bfree = (statp->f_blocks > dp->d_bcount) ? + (statp->f_blocks - dp->d_bcount) : 0; + } + limit = dp->d_ino_softlimit ? dp->d_ino_softlimit : dp->d_ino_hardlimit; + if (limit && statp->f_files > limit) { + statp->f_files = limit; + statp->f_ffree = (statp->f_files > dp->d_icount) ? + (statp->f_ffree - dp->d_icount) : 0; + } + + xfs_qm_dqput(dqp); + return 0; } STATIC int @@ -191,7 +240,7 @@ xfs_qm_syncall( int flags, cred_t *credp) { - struct vfs *vfsp = bhvtovfs(bhv); + struct bhv_vfs *vfsp = bhvtovfs(bhv); struct xfs_mount *mp = XFS_VFSTOM(vfsp); int error; @@ -210,8 +259,7 @@ xfs_qm_syncall( } } } - PVFS_SYNC(BHV_NEXT(bhv), flags, credp, error); - return error; + return bhv_next_vfs_sync(BHV_NEXT(bhv), flags, credp); } STATIC int @@ -346,11 +394,12 @@ STATIC struct xfs_qmops xfs_qmcore_xfs = { .xfs_dqtrxops = &xfs_trans_dquot_ops, }; -struct bhv_vfsops xfs_qmops = { { +struct bhv_module_vfsops xfs_qmops = { { BHV_IDENTITY_INIT(VFS_BHV_QM, VFS_POSITION_QM), .vfs_parseargs = xfs_qm_parseargs, .vfs_showargs = xfs_qm_showargs, .vfs_mount = xfs_qm_mount, + .vfs_statvfs = xfs_qm_statvfs, .vfs_sync = xfs_qm_syncall, .vfs_quotactl = xfs_qm_quotactl, }, }; diff --git a/fs/xfs/quota/xfs_qm_stats.c b/fs/xfs/quota/xfs_qm_stats.c index 0570f77..6f858fb 100644 --- a/fs/xfs/quota/xfs_qm_stats.c +++ b/fs/xfs/quota/xfs_qm_stats.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c index c55db46..ed620c4 100644 --- a/fs/xfs/quota/xfs_qm_syscalls.c +++ b/fs/xfs/quota/xfs_qm_syscalls.c @@ -26,7 +26,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -35,7 +34,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -91,8 +89,8 @@ xfs_qm_quotactl( xfs_caddr_t addr) { xfs_mount_t *mp; + bhv_vfs_t *vfsp; int error; - struct vfs *vfsp; vfsp = bhvtovfs(bdp); mp = XFS_VFSTOM(vfsp); @@ -1035,7 +1033,7 @@ xfs_qm_dqrele_all_inodes( { xfs_inode_t *ip, *topino; uint ireclaims; - vnode_t *vp; + bhv_vnode_t *vp; boolean_t vnode_refd; ASSERT(mp->m_quotainfo); diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c index 9168918..0242e96 100644 --- a/fs/xfs/quota/xfs_trans_dquot.c +++ b/fs/xfs/quota/xfs_trans_dquot.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -33,7 +32,6 @@ #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" #include "xfs_attr_sf.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" diff --git a/fs/xfs/support/debug.c b/fs/xfs/support/debug.c index b08b3d9..36fbecc 100644 --- a/fs/xfs/support/debug.c +++ b/fs/xfs/support/debug.c @@ -47,7 +47,7 @@ cmn_err(register int level, char *fmt, ...) va_start(ap, fmt); if (*fmt == '!') fp++; len = vsprintf(message, fp, ap); - if (message[len-1] != '\n') + if (level != CE_DEBUG && message[len-1] != '\n') strcat(message, "\n"); printk("%s%s", err_level[level], message); va_end(ap); @@ -68,7 +68,7 @@ icmn_err(register int level, char *fmt, va_list ap) level = XFS_MAX_ERR_LEVEL; spin_lock_irqsave(&xfs_err_lock,flags); len = vsprintf(message, fmt, ap); - if (message[len-1] != '\n') + if (level != CE_DEBUG && message[len-1] != '\n') strcat(message, "\n"); spin_unlock_irqrestore(&xfs_err_lock,flags); printk("%s%s", err_level[level], message); diff --git a/fs/xfs/support/debug.h b/fs/xfs/support/debug.h index e3bf581..4f54dca 100644 --- a/fs/xfs/support/debug.h +++ b/fs/xfs/support/debug.h @@ -33,9 +33,6 @@ extern void cmn_err(int, char *, ...) __attribute__ ((format (printf, 2, 3))); extern void assfail(char *expr, char *f, int l); -#define prdev(fmt,targ,args...) \ - printk("Device %s - " fmt "\n", XFS_BUFTARG_NAME(targ), ## args) - #define ASSERT_ALWAYS(expr) \ (unlikely((expr) != 0) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index 2539af3..4b0cb47 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -21,12 +21,10 @@ #include "xfs_bit.h" #include "xfs_inum.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -39,15 +37,15 @@ #include <linux/capability.h> #include <linux/posix_acl_xattr.h> -STATIC int xfs_acl_setmode(vnode_t *, xfs_acl_t *, int *); +STATIC int xfs_acl_setmode(bhv_vnode_t *, xfs_acl_t *, int *); STATIC void xfs_acl_filter_mode(mode_t, xfs_acl_t *); STATIC void xfs_acl_get_endian(xfs_acl_t *); STATIC int xfs_acl_access(uid_t, gid_t, xfs_acl_t *, mode_t, cred_t *); STATIC int xfs_acl_invalid(xfs_acl_t *); STATIC void xfs_acl_sync_mode(mode_t, xfs_acl_t *); -STATIC void xfs_acl_get_attr(vnode_t *, xfs_acl_t *, int, int, int *); -STATIC void xfs_acl_set_attr(vnode_t *, xfs_acl_t *, int, int *); -STATIC int xfs_acl_allow_set(vnode_t *, int); +STATIC void xfs_acl_get_attr(bhv_vnode_t *, xfs_acl_t *, int, int, int *); +STATIC void xfs_acl_set_attr(bhv_vnode_t *, xfs_acl_t *, int, int *); +STATIC int xfs_acl_allow_set(bhv_vnode_t *, int); kmem_zone_t *xfs_acl_zone; @@ -57,7 +55,7 @@ kmem_zone_t *xfs_acl_zone; */ int xfs_acl_vhasacl_access( - vnode_t *vp) + bhv_vnode_t *vp) { int error; @@ -70,7 +68,7 @@ xfs_acl_vhasacl_access( */ int xfs_acl_vhasacl_default( - vnode_t *vp) + bhv_vnode_t *vp) { int error; @@ -209,7 +207,7 @@ posix_acl_xfs_to_xattr( int xfs_acl_vget( - vnode_t *vp, + bhv_vnode_t *vp, void *acl, size_t size, int kind) @@ -241,10 +239,10 @@ xfs_acl_vget( goto out; } if (kind == _ACL_TYPE_ACCESS) { - vattr_t va; + bhv_vattr_t va; va.va_mask = XFS_AT_MODE; - VOP_GETATTR(vp, &va, 0, sys_cred, error); + error = bhv_vop_getattr(vp, &va, 0, sys_cred); if (error) goto out; xfs_acl_sync_mode(va.va_mode, xfs_acl); @@ -260,7 +258,7 @@ out: int xfs_acl_vremove( - vnode_t *vp, + bhv_vnode_t *vp, int kind) { int error; @@ -268,9 +266,9 @@ xfs_acl_vremove( VN_HOLD(vp); error = xfs_acl_allow_set(vp, kind); if (!error) { - VOP_ATTR_REMOVE(vp, kind == _ACL_TYPE_DEFAULT? - SGI_ACL_DEFAULT: SGI_ACL_FILE, - ATTR_ROOT, sys_cred, error); + error = bhv_vop_attr_remove(vp, kind == _ACL_TYPE_DEFAULT? + SGI_ACL_DEFAULT: SGI_ACL_FILE, + ATTR_ROOT, sys_cred); if (error == ENOATTR) error = 0; /* 'scool */ } @@ -280,7 +278,7 @@ xfs_acl_vremove( int xfs_acl_vset( - vnode_t *vp, + bhv_vnode_t *vp, void *acl, size_t size, int kind) @@ -370,10 +368,10 @@ xfs_acl_iaccess( STATIC int xfs_acl_allow_set( - vnode_t *vp, + bhv_vnode_t *vp, int kind) { - vattr_t va; + bhv_vattr_t va; int error; if (vp->v_inode.i_flags & (S_IMMUTABLE|S_APPEND)) @@ -383,7 +381,7 @@ xfs_acl_allow_set( if (vp->v_vfsp->vfs_flag & VFS_RDONLY) return EROFS; va.va_mask = XFS_AT_UID; - VOP_GETATTR(vp, &va, 0, NULL, error); + error = bhv_vop_getattr(vp, &va, 0, NULL); if (error) return error; if (va.va_uid != current->fsuid && !capable(CAP_FOWNER)) @@ -606,7 +604,7 @@ xfs_acl_get_endian( */ STATIC void xfs_acl_get_attr( - vnode_t *vp, + bhv_vnode_t *vp, xfs_acl_t *aclp, int kind, int flags, @@ -616,9 +614,9 @@ xfs_acl_get_attr( ASSERT((flags & ATTR_KERNOVAL) ? (aclp == NULL) : 1); flags |= ATTR_ROOT; - VOP_ATTR_GET(vp, - kind == _ACL_TYPE_ACCESS ? SGI_ACL_FILE : SGI_ACL_DEFAULT, - (char *)aclp, &len, flags, sys_cred, *error); + *error = bhv_vop_attr_get(vp, kind == _ACL_TYPE_ACCESS ? + SGI_ACL_FILE : SGI_ACL_DEFAULT, + (char *)aclp, &len, flags, sys_cred); if (*error || (flags & ATTR_KERNOVAL)) return; xfs_acl_get_endian(aclp); @@ -629,7 +627,7 @@ xfs_acl_get_attr( */ STATIC void xfs_acl_set_attr( - vnode_t *vp, + bhv_vnode_t *vp, xfs_acl_t *aclp, int kind, int *error) @@ -654,19 +652,19 @@ xfs_acl_set_attr( INT_SET(newace->ae_perm, ARCH_CONVERT, ace->ae_perm); } INT_SET(newacl->acl_cnt, ARCH_CONVERT, aclp->acl_cnt); - VOP_ATTR_SET(vp, - kind == _ACL_TYPE_ACCESS ? SGI_ACL_FILE: SGI_ACL_DEFAULT, - (char *)newacl, len, ATTR_ROOT, sys_cred, *error); + *error = bhv_vop_attr_set(vp, kind == _ACL_TYPE_ACCESS ? + SGI_ACL_FILE: SGI_ACL_DEFAULT, + (char *)newacl, len, ATTR_ROOT, sys_cred); _ACL_FREE(newacl); } int xfs_acl_vtoacl( - vnode_t *vp, + bhv_vnode_t *vp, xfs_acl_t *access_acl, xfs_acl_t *default_acl) { - vattr_t va; + bhv_vattr_t va; int error = 0; if (access_acl) { @@ -678,7 +676,7 @@ xfs_acl_vtoacl( if (!error) { /* Got the ACL, need the mode... */ va.va_mask = XFS_AT_MODE; - VOP_GETATTR(vp, &va, 0, sys_cred, error); + error = bhv_vop_getattr(vp, &va, 0, sys_cred); } if (error) @@ -701,8 +699,8 @@ xfs_acl_vtoacl( */ int xfs_acl_inherit( - vnode_t *vp, - vattr_t *vap, + bhv_vnode_t *vp, + bhv_vattr_t *vap, xfs_acl_t *pdaclp) { xfs_acl_t *cacl; @@ -757,11 +755,11 @@ xfs_acl_inherit( */ STATIC int xfs_acl_setmode( - vnode_t *vp, + bhv_vnode_t *vp, xfs_acl_t *acl, int *basicperms) { - vattr_t va; + bhv_vattr_t va; xfs_acl_entry_t *ap; xfs_acl_entry_t *gap = NULL; int i, error, nomask = 1; @@ -776,7 +774,7 @@ xfs_acl_setmode( * mode. The m:: bits take precedence over the g:: bits. */ va.va_mask = XFS_AT_MODE; - VOP_GETATTR(vp, &va, 0, sys_cred, error); + error = bhv_vop_getattr(vp, &va, 0, sys_cred); if (error) return error; @@ -810,8 +808,7 @@ xfs_acl_setmode( if (gap && nomask) va.va_mode |= gap->ae_perm << 3; - VOP_SETATTR(vp, &va, 0, sys_cred, error); - return error; + return bhv_vop_setattr(vp, &va, 0, sys_cred); } /* diff --git a/fs/xfs/xfs_acl.h b/fs/xfs/xfs_acl.h index 538d0d6..f853cf1 100644 --- a/fs/xfs/xfs_acl.h +++ b/fs/xfs/xfs_acl.h @@ -50,7 +50,7 @@ typedef struct xfs_acl { #ifdef CONFIG_XFS_POSIX_ACL struct vattr; -struct vnode; +struct bhv_vnode; struct xfs_inode; extern struct kmem_zone *xfs_acl_zone; @@ -58,14 +58,14 @@ extern struct kmem_zone *xfs_acl_zone; (zone) = kmem_zone_init(sizeof(xfs_acl_t), (name)) #define xfs_acl_zone_destroy(zone) kmem_zone_destroy(zone) -extern int xfs_acl_inherit(struct vnode *, struct vattr *, xfs_acl_t *); +extern int xfs_acl_inherit(struct bhv_vnode *, struct bhv_vattr *, xfs_acl_t *); extern int xfs_acl_iaccess(struct xfs_inode *, mode_t, cred_t *); -extern int xfs_acl_vtoacl(struct vnode *, xfs_acl_t *, xfs_acl_t *); -extern int xfs_acl_vhasacl_access(struct vnode *); -extern int xfs_acl_vhasacl_default(struct vnode *); -extern int xfs_acl_vset(struct vnode *, void *, size_t, int); -extern int xfs_acl_vget(struct vnode *, void *, size_t, int); -extern int xfs_acl_vremove(struct vnode *vp, int); +extern int xfs_acl_vtoacl(struct bhv_vnode *, xfs_acl_t *, xfs_acl_t *); +extern int xfs_acl_vhasacl_access(struct bhv_vnode *); +extern int xfs_acl_vhasacl_default(struct bhv_vnode *); +extern int xfs_acl_vset(struct bhv_vnode *, void *, size_t, int); +extern int xfs_acl_vget(struct bhv_vnode *, void *, size_t, int); +extern int xfs_acl_vremove(struct bhv_vnode *, int); #define _ACL_TYPE_ACCESS 1 #define _ACL_TYPE_DEFAULT 2 diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c index 8558226..eef6763 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/xfs_alloc.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -1862,7 +1860,7 @@ xfs_alloc_fix_freelist( (pag->pagf_longest - delta) : (pag->pagf_flcount > 0 || pag->pagf_longest > 0); if (args->minlen + args->alignment + args->minalignslop - 1 > longest || - (args->minleft && + (!(flags & XFS_ALLOC_FLAG_FREEING) && (int)(pag->pagf_freeblks + pag->pagf_flcount - need - args->total) < (int)args->minleft)) { @@ -1898,7 +1896,7 @@ xfs_alloc_fix_freelist( longest = (longest > delta) ? (longest - delta) : (be32_to_cpu(agf->agf_flcount) > 0 || longest > 0); if (args->minlen + args->alignment + args->minalignslop - 1 > longest || - (args->minleft && + (!(flags & XFS_ALLOC_FLAG_FREEING) && (int)(be32_to_cpu(agf->agf_freeblks) + be32_to_cpu(agf->agf_flcount) - need - args->total) < (int)args->minleft)) { @@ -1951,8 +1949,14 @@ xfs_alloc_fix_freelist( * the restrictions correctly. Can happen for free calls * on a completely full ag. */ - if (targs.agbno == NULLAGBLOCK) + if (targs.agbno == NULLAGBLOCK) { + if (!(flags & XFS_ALLOC_FLAG_FREEING)) { + xfs_trans_brelse(tp, agflbp); + args->agbp = NULL; + return 0; + } break; + } /* * Put each allocated block on the list. */ @@ -2360,8 +2364,19 @@ xfs_alloc_vextent( if (args->agno == sagno && type == XFS_ALLOCTYPE_START_BNO) args->type = XFS_ALLOCTYPE_THIS_AG; - if (++(args->agno) == mp->m_sb.sb_agcount) - args->agno = 0; + /* + * For the first allocation, we can try any AG to get + * space. However, if we already have allocated a + * block, we don't want to try AGs whose number is below + * sagno. Otherwise, we may end up with out-of-order + * locking of AGF, which might cause deadlock. + */ + if (++(args->agno) == mp->m_sb.sb_agcount) { + if (args->firstblock != NULLFSBLOCK) + args->agno = sagno; + else + args->agno = 0; + } /* * Reached the starting a.g., must either be done * or switch to non-trylock mode. @@ -2443,7 +2458,7 @@ xfs_free_extent( args.minlen = args.minleft = args.minalignslop = 0; down_read(&args.mp->m_peraglock); args.pag = &args.mp->m_perag[args.agno]; - if ((error = xfs_alloc_fix_freelist(&args, 0))) + if ((error = xfs_alloc_fix_freelist(&args, XFS_ALLOC_FLAG_FREEING))) goto error0; #ifdef DEBUG ASSERT(args.agbp != NULL); diff --git a/fs/xfs/xfs_alloc.h b/fs/xfs/xfs_alloc.h index 2d1f892..650591f 100644 --- a/fs/xfs/xfs_alloc.h +++ b/fs/xfs/xfs_alloc.h @@ -41,6 +41,7 @@ typedef enum xfs_alloctype * Flags for xfs_alloc_fix_freelist. */ #define XFS_ALLOC_FLAG_TRYLOCK 0x00000001 /* use trylock for buffer locking */ +#define XFS_ALLOC_FLAG_FREEING 0x00000002 /* indicate caller is freeing extents*/ /* * Argument structure for xfs_alloc routines. @@ -70,6 +71,7 @@ typedef struct xfs_alloc_arg { char wasfromfl; /* set if allocation is from freelist */ char isfl; /* set if is freelist blocks - !acctg */ char userdata; /* set if this is user data */ + xfs_fsblock_t firstblock; /* io first block allocated */ } xfs_alloc_arg_t; /* diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c index a1d92da..7446556 100644 --- a/fs/xfs/xfs_alloc_btree.c +++ b/fs/xfs/xfs_alloc_btree.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index b6e1e02..1a210104 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -27,7 +27,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -35,7 +34,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -1910,7 +1908,7 @@ xfs_attr_rmtval_get(xfs_da_args_t *args) error = xfs_bmapi(args->trans, args->dp, (xfs_fileoff_t)lblkno, args->rmtblkcnt, XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - NULL, 0, map, &nmap, NULL); + NULL, 0, map, &nmap, NULL, NULL); if (error) return(error); ASSERT(nmap >= 1); @@ -1988,7 +1986,7 @@ xfs_attr_rmtval_set(xfs_da_args_t *args) XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA | XFS_BMAPI_WRITE, args->firstblock, args->total, &map, &nmap, - args->flist); + args->flist, NULL); if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, *args->firstblock, &committed); @@ -2039,7 +2037,8 @@ xfs_attr_rmtval_set(xfs_da_args_t *args) error = xfs_bmapi(NULL, dp, (xfs_fileoff_t)lblkno, args->rmtblkcnt, XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - args->firstblock, 0, &map, &nmap, NULL); + args->firstblock, 0, &map, &nmap, + NULL, NULL); if (error) { return(error); } @@ -2104,7 +2103,7 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args) args->rmtblkcnt, XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, args->firstblock, 0, &map, &nmap, - args->flist); + args->flist, NULL); if (error) { return(error); } @@ -2142,7 +2141,8 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args) XFS_BMAP_INIT(args->flist, args->firstblock); error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt, XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - 1, args->firstblock, args->flist, &done); + 1, args->firstblock, args->flist, + NULL, &done); if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, *args->firstblock, &committed); @@ -2322,56 +2322,56 @@ xfs_attr_trace_enter(int type, char *where, STATIC int posix_acl_access_set( - vnode_t *vp, char *name, void *data, size_t size, int xflags) + bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags) { return xfs_acl_vset(vp, data, size, _ACL_TYPE_ACCESS); } STATIC int posix_acl_access_remove( - struct vnode *vp, char *name, int xflags) + bhv_vnode_t *vp, char *name, int xflags) { return xfs_acl_vremove(vp, _ACL_TYPE_ACCESS); } STATIC int posix_acl_access_get( - vnode_t *vp, char *name, void *data, size_t size, int xflags) + bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags) { return xfs_acl_vget(vp, data, size, _ACL_TYPE_ACCESS); } STATIC int posix_acl_access_exists( - vnode_t *vp) + bhv_vnode_t *vp) { return xfs_acl_vhasacl_access(vp); } STATIC int posix_acl_default_set( - vnode_t *vp, char *name, void *data, size_t size, int xflags) + bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags) { return xfs_acl_vset(vp, data, size, _ACL_TYPE_DEFAULT); } STATIC int posix_acl_default_get( - vnode_t *vp, char *name, void *data, size_t size, int xflags) + bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags) { return xfs_acl_vget(vp, data, size, _ACL_TYPE_DEFAULT); } STATIC int posix_acl_default_remove( - struct vnode *vp, char *name, int xflags) + bhv_vnode_t *vp, char *name, int xflags) { return xfs_acl_vremove(vp, _ACL_TYPE_DEFAULT); } STATIC int posix_acl_default_exists( - vnode_t *vp) + bhv_vnode_t *vp) { return xfs_acl_vhasacl_default(vp); } @@ -2404,21 +2404,18 @@ STATIC struct attrnames *attr_system_names[] = STATIC int attr_generic_set( - struct vnode *vp, char *name, void *data, size_t size, int xflags) + bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags) { - int error; - - VOP_ATTR_SET(vp, name, data, size, xflags, NULL, error); - return -error; + return -bhv_vop_attr_set(vp, name, data, size, xflags, NULL); } STATIC int attr_generic_get( - struct vnode *vp, char *name, void *data, size_t size, int xflags) + bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags) { int error, asize = size; - VOP_ATTR_GET(vp, name, data, &asize, xflags, NULL, error); + error = bhv_vop_attr_get(vp, name, data, &asize, xflags, NULL); if (!error) return asize; return -error; @@ -2426,12 +2423,9 @@ attr_generic_get( STATIC int attr_generic_remove( - struct vnode *vp, char *name, int xflags) + bhv_vnode_t *vp, char *name, int xflags) { - int error; - - VOP_ATTR_REMOVE(vp, name, xflags, NULL, error); - return -error; + return -bhv_vop_attr_remove(vp, name, xflags, NULL); } STATIC int @@ -2459,7 +2453,7 @@ attr_generic_listadd( STATIC int attr_system_list( - struct vnode *vp, + bhv_vnode_t *vp, void *data, size_t size, ssize_t *result) @@ -2481,12 +2475,12 @@ attr_system_list( int attr_generic_list( - struct vnode *vp, void *data, size_t size, int xflags, ssize_t *result) + bhv_vnode_t *vp, void *data, size_t size, int xflags, ssize_t *result) { attrlist_cursor_kern_t cursor = { 0 }; int error; - VOP_ATTR_LIST(vp, data, size, xflags, &cursor, NULL, error); + error = bhv_vop_attr_list(vp, data, size, xflags, &cursor, NULL); if (error > 0) return -error; *result = -error; @@ -2514,7 +2508,7 @@ attr_lookup_namespace( */ STATIC int attr_user_capable( - struct vnode *vp, + bhv_vnode_t *vp, cred_t *cred) { struct inode *inode = vn_to_inode(vp); @@ -2532,7 +2526,7 @@ attr_user_capable( STATIC int attr_trusted_capable( - struct vnode *vp, + bhv_vnode_t *vp, cred_t *cred) { struct inode *inode = vn_to_inode(vp); @@ -2546,7 +2540,7 @@ attr_trusted_capable( STATIC int attr_secure_capable( - struct vnode *vp, + bhv_vnode_t *vp, cred_t *cred) { return -ENOSECURITY; @@ -2554,7 +2548,7 @@ attr_secure_capable( STATIC int attr_system_set( - struct vnode *vp, char *name, void *data, size_t size, int xflags) + bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags) { attrnames_t *namesp; int error; @@ -2573,7 +2567,7 @@ attr_system_set( STATIC int attr_system_get( - struct vnode *vp, char *name, void *data, size_t size, int xflags) + bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags) { attrnames_t *namesp; @@ -2585,7 +2579,7 @@ attr_system_get( STATIC int attr_system_remove( - struct vnode *vp, char *name, int xflags) + bhv_vnode_t *vp, char *name, int xflags) { attrnames_t *namesp; diff --git a/fs/xfs/xfs_attr.h b/fs/xfs/xfs_attr.h index b2c7b9f..981633f 100644 --- a/fs/xfs/xfs_attr.h +++ b/fs/xfs/xfs_attr.h @@ -36,13 +36,13 @@ *========================================================================*/ struct cred; -struct vnode; +struct bhv_vnode; -typedef int (*attrset_t)(struct vnode *, char *, void *, size_t, int); -typedef int (*attrget_t)(struct vnode *, char *, void *, size_t, int); -typedef int (*attrremove_t)(struct vnode *, char *, int); -typedef int (*attrexists_t)(struct vnode *); -typedef int (*attrcapable_t)(struct vnode *, struct cred *); +typedef int (*attrset_t)(struct bhv_vnode *, char *, void *, size_t, int); +typedef int (*attrget_t)(struct bhv_vnode *, char *, void *, size_t, int); +typedef int (*attrremove_t)(struct bhv_vnode *, char *, int); +typedef int (*attrexists_t)(struct bhv_vnode *); +typedef int (*attrcapable_t)(struct bhv_vnode *, struct cred *); typedef struct attrnames { char * attr_name; @@ -63,7 +63,7 @@ extern struct attrnames attr_trusted; extern struct attrnames *attr_namespaces[ATTR_NAMECOUNT]; extern attrnames_t *attr_lookup_namespace(char *, attrnames_t **, int); -extern int attr_generic_list(struct vnode *, void *, size_t, int, ssize_t *); +extern int attr_generic_list(struct bhv_vnode *, void *, size_t, int, ssize_t *); #define ATTR_DONTFOLLOW 0x0001 /* -- unused, from IRIX -- */ #define ATTR_ROOT 0x0002 /* use attrs in root (trusted) namespace */ diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index 9462be8..9455051 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -24,7 +24,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -34,7 +33,6 @@ #include "xfs_ialloc_btree.h" #include "xfs_alloc.h" #include "xfs_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -2990,7 +2988,7 @@ xfs_attr_leaf_freextent(xfs_trans_t **trans, xfs_inode_t *dp, nmap = 1; error = xfs_bmapi(*trans, dp, (xfs_fileoff_t)tblkno, tblkcnt, XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - NULL, 0, &map, &nmap, NULL); + NULL, 0, &map, &nmap, NULL, NULL); if (error) { return(error); } diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 26939d3..3a61375 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -24,13 +24,11 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -40,13 +38,15 @@ #include "xfs_mount.h" #include "xfs_ialloc.h" #include "xfs_itable.h" +#include "xfs_dir2_data.h" +#include "xfs_dir2_leaf.h" +#include "xfs_dir2_block.h" #include "xfs_inode_item.h" #include "xfs_extfree_item.h" #include "xfs_alloc.h" #include "xfs_bmap.h" #include "xfs_rtalloc.h" #include "xfs_error.h" -#include "xfs_dir_leaf.h" #include "xfs_attr_leaf.h" #include "xfs_rw.h" #include "xfs_quota.h" @@ -101,6 +101,7 @@ xfs_bmap_add_extent( xfs_fsblock_t *first, /* pointer to firstblock variable */ xfs_bmap_free_t *flist, /* list of extents to be freed */ int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork, /* data or attr fork */ int rsvd); /* OK to allocate reserved blocks */ @@ -118,6 +119,7 @@ xfs_bmap_add_extent_delay_real( xfs_fsblock_t *first, /* pointer to firstblock variable */ xfs_bmap_free_t *flist, /* list of extents to be freed */ int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int rsvd); /* OK to allocate reserved blocks */ /* @@ -131,6 +133,7 @@ xfs_bmap_add_extent_hole_delay( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp,/* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int rsvd); /* OK to allocate reserved blocks */ /* @@ -144,6 +147,7 @@ xfs_bmap_add_extent_hole_real( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork); /* data or attr fork */ /* @@ -156,7 +160,8 @@ xfs_bmap_add_extent_unwritten_real( xfs_extnum_t idx, /* extent number to update/insert */ xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ - int *logflagsp); /* inode logging flags */ + int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta); /* Change made to incore extents */ /* * xfs_bmap_alloc is called by xfs_bmapi to allocate an extent for a file. @@ -203,6 +208,7 @@ xfs_bmap_del_extent( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp,/* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork, /* data or attr fork */ int rsvd); /* OK to allocate reserved blocks */ @@ -510,7 +516,7 @@ xfs_bmap_add_attrfork_local( dargs.total = mp->m_dirblkfsbs; dargs.whichfork = XFS_DATA_FORK; dargs.trans = tp; - error = XFS_DIR_SHORTFORM_TO_SINGLE(mp, &dargs); + error = xfs_dir2_sf_to_block(&dargs); } else error = xfs_bmap_local_to_extents(tp, ip, firstblock, 1, flags, XFS_DATA_FORK); @@ -530,6 +536,7 @@ xfs_bmap_add_extent( xfs_fsblock_t *first, /* pointer to firstblock variable */ xfs_bmap_free_t *flist, /* list of extents to be freed */ int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork, /* data or attr fork */ int rsvd) /* OK to use reserved data blocks */ { @@ -567,6 +574,15 @@ xfs_bmap_add_extent( logflags = XFS_ILOG_CORE | XFS_ILOG_FEXT(whichfork); } else logflags = 0; + /* DELTA: single new extent */ + if (delta) { + if (delta->xed_startoff > new->br_startoff) + delta->xed_startoff = new->br_startoff; + if (delta->xed_blockcount < + new->br_startoff + new->br_blockcount) + delta->xed_blockcount = new->br_startoff + + new->br_blockcount; + } } /* * Any kind of new delayed allocation goes here. @@ -576,7 +592,7 @@ xfs_bmap_add_extent( ASSERT((cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL) == 0); if ((error = xfs_bmap_add_extent_hole_delay(ip, idx, cur, new, - &logflags, rsvd))) + &logflags, delta, rsvd))) goto done; } /* @@ -587,7 +603,7 @@ xfs_bmap_add_extent( ASSERT((cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL) == 0); if ((error = xfs_bmap_add_extent_hole_real(ip, idx, cur, new, - &logflags, whichfork))) + &logflags, delta, whichfork))) goto done; } else { xfs_bmbt_irec_t prev; /* old extent at offset idx */ @@ -612,17 +628,17 @@ xfs_bmap_add_extent( XFS_BTCUR_BPRV_WASDEL); if ((error = xfs_bmap_add_extent_delay_real(ip, idx, &cur, new, &da_new, first, flist, - &logflags, rsvd))) + &logflags, delta, rsvd))) goto done; } else if (new->br_state == XFS_EXT_NORM) { ASSERT(new->br_state == XFS_EXT_NORM); if ((error = xfs_bmap_add_extent_unwritten_real( - ip, idx, &cur, new, &logflags))) + ip, idx, &cur, new, &logflags, delta))) goto done; } else { ASSERT(new->br_state == XFS_EXT_UNWRITTEN); if ((error = xfs_bmap_add_extent_unwritten_real( - ip, idx, &cur, new, &logflags))) + ip, idx, &cur, new, &logflags, delta))) goto done; } ASSERT(*curp == cur || *curp == NULL); @@ -635,7 +651,7 @@ xfs_bmap_add_extent( ASSERT((cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL) == 0); if ((error = xfs_bmap_add_extent_hole_real(ip, idx, cur, - new, &logflags, whichfork))) + new, &logflags, delta, whichfork))) goto done; } } @@ -700,6 +716,7 @@ xfs_bmap_add_extent_delay_real( xfs_fsblock_t *first, /* pointer to firstblock variable */ xfs_bmap_free_t *flist, /* list of extents to be freed */ int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int rsvd) /* OK to use reserved data block allocation */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -716,8 +733,8 @@ xfs_bmap_add_extent_delay_real( /* left is 0, right is 1, prev is 2 */ int rval=0; /* return value (logging flags) */ int state = 0;/* state bits, accessed thru macros */ - xfs_filblks_t temp; /* value for dnew calculations */ - xfs_filblks_t temp2; /* value for dnew calculations */ + xfs_filblks_t temp=0; /* value for dnew calculations */ + xfs_filblks_t temp2=0;/* value for dnew calculations */ int tmp_rval; /* partial logging flags */ enum { /* bit number definitions for state */ LEFT_CONTIG, RIGHT_CONTIG, @@ -839,6 +856,11 @@ xfs_bmap_add_extent_delay_real( goto done; } *dnew = 0; + /* DELTA: Three in-core extents are replaced by one. */ + temp = LEFT.br_startoff; + temp2 = LEFT.br_blockcount + + PREV.br_blockcount + + RIGHT.br_blockcount; break; case MASK3(LEFT_FILLING, RIGHT_FILLING, LEFT_CONTIG): @@ -872,6 +894,10 @@ xfs_bmap_add_extent_delay_real( goto done; } *dnew = 0; + /* DELTA: Two in-core extents are replaced by one. */ + temp = LEFT.br_startoff; + temp2 = LEFT.br_blockcount + + PREV.br_blockcount; break; case MASK3(LEFT_FILLING, RIGHT_FILLING, RIGHT_CONTIG): @@ -906,6 +932,10 @@ xfs_bmap_add_extent_delay_real( goto done; } *dnew = 0; + /* DELTA: Two in-core extents are replaced by one. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount + + RIGHT.br_blockcount; break; case MASK2(LEFT_FILLING, RIGHT_FILLING): @@ -936,6 +966,9 @@ xfs_bmap_add_extent_delay_real( ASSERT(i == 1); } *dnew = 0; + /* DELTA: The in-core extent described by new changed type. */ + temp = new->br_startoff; + temp2 = new->br_blockcount; break; case MASK2(LEFT_FILLING, LEFT_CONTIG): @@ -978,6 +1011,10 @@ xfs_bmap_add_extent_delay_real( xfs_bmap_trace_post_update(fname, "LF|LC", ip, idx, XFS_DATA_FORK); *dnew = temp; + /* DELTA: The boundary between two in-core extents moved. */ + temp = LEFT.br_startoff; + temp2 = LEFT.br_blockcount + + PREV.br_blockcount; break; case MASK(LEFT_FILLING): @@ -1025,6 +1062,9 @@ xfs_bmap_add_extent_delay_real( xfs_bmap_trace_post_update(fname, "LF", ip, idx + 1, XFS_DATA_FORK); *dnew = temp; + /* DELTA: One in-core extent is split in two. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount; break; case MASK2(RIGHT_FILLING, RIGHT_CONTIG): @@ -1067,6 +1107,10 @@ xfs_bmap_add_extent_delay_real( xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx, XFS_DATA_FORK); *dnew = temp; + /* DELTA: The boundary between two in-core extents moved. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount + + RIGHT.br_blockcount; break; case MASK(RIGHT_FILLING): @@ -1112,6 +1156,9 @@ xfs_bmap_add_extent_delay_real( xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp)); xfs_bmap_trace_post_update(fname, "RF", ip, idx, XFS_DATA_FORK); *dnew = temp; + /* DELTA: One in-core extent is split in two. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount; break; case 0: @@ -1194,6 +1241,9 @@ xfs_bmap_add_extent_delay_real( xfs_bmap_trace_post_update(fname, "0", ip, idx + 2, XFS_DATA_FORK); *dnew = temp + temp2; + /* DELTA: One in-core extent is split in three. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount; break; case MASK3(LEFT_FILLING, LEFT_CONTIG, RIGHT_CONTIG): @@ -1209,6 +1259,13 @@ xfs_bmap_add_extent_delay_real( ASSERT(0); } *curp = cur; + if (delta) { + temp2 += temp; + if (delta->xed_startoff > temp) + delta->xed_startoff = temp; + if (delta->xed_blockcount < temp2) + delta->xed_blockcount = temp2; + } done: *logflagsp = rval; return error; @@ -1235,7 +1292,8 @@ xfs_bmap_add_extent_unwritten_real( xfs_extnum_t idx, /* extent number to update/insert */ xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ - int *logflagsp) /* inode logging flags */ + int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta) /* Change made to incore extents */ { xfs_btree_cur_t *cur; /* btree cursor */ xfs_bmbt_rec_t *ep; /* extent entry for idx */ @@ -1252,6 +1310,8 @@ xfs_bmap_add_extent_unwritten_real( /* left is 0, right is 1, prev is 2 */ int rval=0; /* return value (logging flags) */ int state = 0;/* state bits, accessed thru macros */ + xfs_filblks_t temp=0; + xfs_filblks_t temp2=0; enum { /* bit number definitions for state */ LEFT_CONTIG, RIGHT_CONTIG, LEFT_FILLING, RIGHT_FILLING, @@ -1380,6 +1440,11 @@ xfs_bmap_add_extent_unwritten_real( RIGHT.br_blockcount, LEFT.br_state))) goto done; } + /* DELTA: Three in-core extents are replaced by one. */ + temp = LEFT.br_startoff; + temp2 = LEFT.br_blockcount + + PREV.br_blockcount + + RIGHT.br_blockcount; break; case MASK3(LEFT_FILLING, RIGHT_FILLING, LEFT_CONTIG): @@ -1419,6 +1484,10 @@ xfs_bmap_add_extent_unwritten_real( LEFT.br_state))) goto done; } + /* DELTA: Two in-core extents are replaced by one. */ + temp = LEFT.br_startoff; + temp2 = LEFT.br_blockcount + + PREV.br_blockcount; break; case MASK3(LEFT_FILLING, RIGHT_FILLING, RIGHT_CONTIG): @@ -1459,6 +1528,10 @@ xfs_bmap_add_extent_unwritten_real( newext))) goto done; } + /* DELTA: Two in-core extents are replaced by one. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount + + RIGHT.br_blockcount; break; case MASK2(LEFT_FILLING, RIGHT_FILLING): @@ -1487,6 +1560,9 @@ xfs_bmap_add_extent_unwritten_real( newext))) goto done; } + /* DELTA: The in-core extent described by new changed type. */ + temp = new->br_startoff; + temp2 = new->br_blockcount; break; case MASK2(LEFT_FILLING, LEFT_CONTIG): @@ -1534,6 +1610,10 @@ xfs_bmap_add_extent_unwritten_real( LEFT.br_state)) goto done; } + /* DELTA: The boundary between two in-core extents moved. */ + temp = LEFT.br_startoff; + temp2 = LEFT.br_blockcount + + PREV.br_blockcount; break; case MASK(LEFT_FILLING): @@ -1574,6 +1654,9 @@ xfs_bmap_add_extent_unwritten_real( goto done; ASSERT(i == 1); } + /* DELTA: One in-core extent is split in two. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount; break; case MASK2(RIGHT_FILLING, RIGHT_CONTIG): @@ -1617,6 +1700,10 @@ xfs_bmap_add_extent_unwritten_real( newext))) goto done; } + /* DELTA: The boundary between two in-core extents moved. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount + + RIGHT.br_blockcount; break; case MASK(RIGHT_FILLING): @@ -1657,6 +1744,9 @@ xfs_bmap_add_extent_unwritten_real( goto done; ASSERT(i == 1); } + /* DELTA: One in-core extent is split in two. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount; break; case 0: @@ -1710,6 +1800,9 @@ xfs_bmap_add_extent_unwritten_real( goto done; ASSERT(i == 1); } + /* DELTA: One in-core extent is split in three. */ + temp = PREV.br_startoff; + temp2 = PREV.br_blockcount; break; case MASK3(LEFT_FILLING, LEFT_CONTIG, RIGHT_CONTIG): @@ -1725,6 +1818,13 @@ xfs_bmap_add_extent_unwritten_real( ASSERT(0); } *curp = cur; + if (delta) { + temp2 += temp; + if (delta->xed_startoff > temp) + delta->xed_startoff = temp; + if (delta->xed_blockcount < temp2) + delta->xed_blockcount = temp2; + } done: *logflagsp = rval; return error; @@ -1753,6 +1853,7 @@ xfs_bmap_add_extent_hole_delay( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int rsvd) /* OK to allocate reserved blocks */ { xfs_bmbt_rec_t *ep; /* extent record for idx */ @@ -1765,7 +1866,8 @@ xfs_bmap_add_extent_hole_delay( xfs_filblks_t oldlen=0; /* old indirect size */ xfs_bmbt_irec_t right; /* right neighbor extent entry */ int state; /* state bits, accessed thru macros */ - xfs_filblks_t temp; /* temp for indirect calculations */ + xfs_filblks_t temp=0; /* temp for indirect calculations */ + xfs_filblks_t temp2=0; enum { /* bit number definitions for state */ LEFT_CONTIG, RIGHT_CONTIG, LEFT_DELAY, RIGHT_DELAY, @@ -1844,6 +1946,9 @@ xfs_bmap_add_extent_hole_delay( XFS_DATA_FORK); xfs_iext_remove(ifp, idx, 1); ip->i_df.if_lastex = idx - 1; + /* DELTA: Two in-core extents were replaced by one. */ + temp2 = temp; + temp = left.br_startoff; break; case MASK(LEFT_CONTIG): @@ -1864,6 +1969,9 @@ xfs_bmap_add_extent_hole_delay( xfs_bmap_trace_post_update(fname, "LC", ip, idx - 1, XFS_DATA_FORK); ip->i_df.if_lastex = idx - 1; + /* DELTA: One in-core extent grew into a hole. */ + temp2 = temp; + temp = left.br_startoff; break; case MASK(RIGHT_CONTIG): @@ -1881,6 +1989,9 @@ xfs_bmap_add_extent_hole_delay( NULLSTARTBLOCK((int)newlen), temp, right.br_state); xfs_bmap_trace_post_update(fname, "RC", ip, idx, XFS_DATA_FORK); ip->i_df.if_lastex = idx; + /* DELTA: One in-core extent grew into a hole. */ + temp2 = temp; + temp = new->br_startoff; break; case 0: @@ -1894,6 +2005,9 @@ xfs_bmap_add_extent_hole_delay( XFS_DATA_FORK); xfs_iext_insert(ifp, idx, 1, new); ip->i_df.if_lastex = idx; + /* DELTA: A new in-core extent was added in a hole. */ + temp2 = new->br_blockcount; + temp = new->br_startoff; break; } if (oldlen != newlen) { @@ -1904,6 +2018,13 @@ xfs_bmap_add_extent_hole_delay( * Nothing to do for disk quota accounting here. */ } + if (delta) { + temp2 += temp; + if (delta->xed_startoff > temp) + delta->xed_startoff = temp; + if (delta->xed_blockcount < temp2) + delta->xed_blockcount = temp2; + } *logflagsp = 0; return 0; #undef MASK @@ -1925,6 +2046,7 @@ xfs_bmap_add_extent_hole_real( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork) /* data or attr fork */ { xfs_bmbt_rec_t *ep; /* pointer to extent entry ins. point */ @@ -1936,7 +2058,10 @@ xfs_bmap_add_extent_hole_real( xfs_ifork_t *ifp; /* inode fork pointer */ xfs_bmbt_irec_t left; /* left neighbor extent entry */ xfs_bmbt_irec_t right; /* right neighbor extent entry */ + int rval=0; /* return value (logging flags) */ int state; /* state bits, accessed thru macros */ + xfs_filblks_t temp=0; + xfs_filblks_t temp2=0; enum { /* bit number definitions for state */ LEFT_CONTIG, RIGHT_CONTIG, LEFT_DELAY, RIGHT_DELAY, @@ -1993,6 +2118,7 @@ xfs_bmap_add_extent_hole_real( left.br_blockcount + new->br_blockcount + right.br_blockcount <= MAXEXTLEN)); + error = 0; /* * Select which case we're in here, and implement it. */ @@ -2018,25 +2144,35 @@ xfs_bmap_add_extent_hole_real( XFS_IFORK_NEXT_SET(ip, whichfork, XFS_IFORK_NEXTENTS(ip, whichfork) - 1); if (cur == NULL) { - *logflagsp = XFS_ILOG_CORE | XFS_ILOG_FEXT(whichfork); - return 0; + rval = XFS_ILOG_CORE | XFS_ILOG_FEXT(whichfork); + } else { + rval = XFS_ILOG_CORE; + if ((error = xfs_bmbt_lookup_eq(cur, + right.br_startoff, + right.br_startblock, + right.br_blockcount, &i))) + goto done; + ASSERT(i == 1); + if ((error = xfs_bmbt_delete(cur, &i))) + goto done; + ASSERT(i == 1); + if ((error = xfs_bmbt_decrement(cur, 0, &i))) + goto done; + ASSERT(i == 1); + if ((error = xfs_bmbt_update(cur, left.br_startoff, + left.br_startblock, + left.br_blockcount + + new->br_blockcount + + right.br_blockcount, + left.br_state))) + goto done; } - *logflagsp = XFS_ILOG_CORE; - if ((error = xfs_bmbt_lookup_eq(cur, right.br_startoff, - right.br_startblock, right.br_blockcount, &i))) - return error; - ASSERT(i == 1); - if ((error = xfs_bmbt_delete(cur, &i))) - return error; - ASSERT(i == 1); - if ((error = xfs_bmbt_decrement(cur, 0, &i))) - return error; - ASSERT(i == 1); - error = xfs_bmbt_update(cur, left.br_startoff, - left.br_startblock, - left.br_blockcount + new->br_blockcount + - right.br_blockcount, left.br_state); - return error; + /* DELTA: Two in-core extents were replaced by one. */ + temp = left.br_startoff; + temp2 = left.br_blockcount + + new->br_blockcount + + right.br_blockcount; + break; case MASK(LEFT_CONTIG): /* @@ -2050,19 +2186,27 @@ xfs_bmap_add_extent_hole_real( xfs_bmap_trace_post_update(fname, "LC", ip, idx - 1, whichfork); ifp->if_lastex = idx - 1; if (cur == NULL) { - *logflagsp = XFS_ILOG_FEXT(whichfork); - return 0; + rval = XFS_ILOG_FEXT(whichfork); + } else { + rval = 0; + if ((error = xfs_bmbt_lookup_eq(cur, + left.br_startoff, + left.br_startblock, + left.br_blockcount, &i))) + goto done; + ASSERT(i == 1); + if ((error = xfs_bmbt_update(cur, left.br_startoff, + left.br_startblock, + left.br_blockcount + + new->br_blockcount, + left.br_state))) + goto done; } - *logflagsp = 0; - if ((error = xfs_bmbt_lookup_eq(cur, left.br_startoff, - left.br_startblock, left.br_blockcount, &i))) - return error; - ASSERT(i == 1); - error = xfs_bmbt_update(cur, left.br_startoff, - left.br_startblock, - left.br_blockcount + new->br_blockcount, - left.br_state); - return error; + /* DELTA: One in-core extent grew. */ + temp = left.br_startoff; + temp2 = left.br_blockcount + + new->br_blockcount; + break; case MASK(RIGHT_CONTIG): /* @@ -2077,19 +2221,27 @@ xfs_bmap_add_extent_hole_real( xfs_bmap_trace_post_update(fname, "RC", ip, idx, whichfork); ifp->if_lastex = idx; if (cur == NULL) { - *logflagsp = XFS_ILOG_FEXT(whichfork); - return 0; + rval = XFS_ILOG_FEXT(whichfork); + } else { + rval = 0; + if ((error = xfs_bmbt_lookup_eq(cur, + right.br_startoff, + right.br_startblock, + right.br_blockcount, &i))) + goto done; + ASSERT(i == 1); + if ((error = xfs_bmbt_update(cur, new->br_startoff, + new->br_startblock, + new->br_blockcount + + right.br_blockcount, + right.br_state))) + goto done; } - *logflagsp = 0; - if ((error = xfs_bmbt_lookup_eq(cur, right.br_startoff, - right.br_startblock, right.br_blockcount, &i))) - return error; - ASSERT(i == 1); - error = xfs_bmbt_update(cur, new->br_startoff, - new->br_startblock, - new->br_blockcount + right.br_blockcount, - right.br_state); - return error; + /* DELTA: One in-core extent grew. */ + temp = new->br_startoff; + temp2 = new->br_blockcount + + right.br_blockcount; + break; case 0: /* @@ -2104,29 +2256,41 @@ xfs_bmap_add_extent_hole_real( XFS_IFORK_NEXT_SET(ip, whichfork, XFS_IFORK_NEXTENTS(ip, whichfork) + 1); if (cur == NULL) { - *logflagsp = XFS_ILOG_CORE | XFS_ILOG_FEXT(whichfork); - return 0; + rval = XFS_ILOG_CORE | XFS_ILOG_FEXT(whichfork); + } else { + rval = XFS_ILOG_CORE; + if ((error = xfs_bmbt_lookup_eq(cur, + new->br_startoff, + new->br_startblock, + new->br_blockcount, &i))) + goto done; + ASSERT(i == 0); + cur->bc_rec.b.br_state = new->br_state; + if ((error = xfs_bmbt_insert(cur, &i))) + goto done; + ASSERT(i == 1); } - *logflagsp = XFS_ILOG_CORE; - if ((error = xfs_bmbt_lookup_eq(cur, new->br_startoff, - new->br_startblock, new->br_blockcount, &i))) - return error; - ASSERT(i == 0); - cur->bc_rec.b.br_state = new->br_state; - if ((error = xfs_bmbt_insert(cur, &i))) - return error; - ASSERT(i == 1); - return 0; + /* DELTA: A new extent was added in a hole. */ + temp = new->br_startoff; + temp2 = new->br_blockcount; + break; + } + if (delta) { + temp2 += temp; + if (delta->xed_startoff > temp) + delta->xed_startoff = temp; + if (delta->xed_blockcount < temp2) + delta->xed_blockcount = temp2; } +done: + *logflagsp = rval; + return error; #undef MASK #undef MASK2 #undef STATE_SET #undef STATE_TEST #undef STATE_SET_TEST #undef SWITCH_STATE - /* NOTREACHED */ - ASSERT(0); - return 0; /* keep gcc quite */ } /* @@ -2598,6 +2762,7 @@ xfs_bmap_btalloc( args.mp = mp; args.fsbno = ap->rval; args.maxlen = MIN(ap->alen, mp->m_sb.sb_agblocks); + args.firstblock = ap->firstblock; blen = 0; if (nullfb) { args.type = XFS_ALLOCTYPE_START_BNO; @@ -2657,7 +2822,7 @@ xfs_bmap_btalloc( else args.minlen = ap->alen; } else if (ap->low) { - args.type = XFS_ALLOCTYPE_FIRST_AG; + args.type = XFS_ALLOCTYPE_START_BNO; args.total = args.minlen = ap->minlen; } else { args.type = XFS_ALLOCTYPE_NEAR_BNO; @@ -2669,7 +2834,7 @@ xfs_bmap_btalloc( args.prod = ap->ip->i_d.di_extsize; if ((args.mod = (xfs_extlen_t)do_mod(ap->off, args.prod))) args.mod = (xfs_extlen_t)(args.prod - args.mod); - } else if (unlikely(mp->m_sb.sb_blocksize >= NBPP)) { + } else if (mp->m_sb.sb_blocksize >= NBPP) { args.prod = 1; args.mod = 0; } else { @@ -2885,6 +3050,7 @@ xfs_bmap_del_extent( xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *del, /* data to remove from extents */ int *logflagsp, /* inode logging flags */ + xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork, /* data or attr fork */ int rsvd) /* OK to allocate reserved blocks */ { @@ -3193,6 +3359,14 @@ xfs_bmap_del_extent( if (da_old > da_new) xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, (int)(da_old - da_new), rsvd); + if (delta) { + /* DELTA: report the original extent. */ + if (delta->xed_startoff > got.br_startoff) + delta->xed_startoff = got.br_startoff; + if (delta->xed_blockcount < got.br_startoff+got.br_blockcount) + delta->xed_blockcount = got.br_startoff + + got.br_blockcount; + } done: *logflagsp = flags; return error; @@ -3279,6 +3453,7 @@ xfs_bmap_extents_to_btree( XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_BTREE); args.tp = tp; args.mp = mp; + args.firstblock = *firstblock; if (*firstblock == NULLFSBLOCK) { args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = XFS_INO_TO_FSB(mp, ip->i_ino); @@ -3414,6 +3589,7 @@ xfs_bmap_local_to_extents( args.tp = tp; args.mp = ip->i_mount; + args.firstblock = *firstblock; ASSERT((ifp->if_flags & (XFS_IFINLINE|XFS_IFEXTENTS|XFS_IFEXTIREC)) == XFS_IFINLINE); /* @@ -3753,7 +3929,7 @@ xfs_bunmap_trace( if (ip->i_rwtrace == NULL) return; ktrace_enter(ip->i_rwtrace, - (void *)(__psint_t)XFS_BUNMAPI, + (void *)(__psint_t)XFS_BUNMAP, (void *)ip, (void *)(__psint_t)((ip->i_d.di_size >> 32) & 0xffffffff), (void *)(__psint_t)(ip->i_d.di_size & 0xffffffff), @@ -4087,8 +4263,8 @@ xfs_bmap_finish( if (!XFS_FORCED_SHUTDOWN(mp)) xfs_force_shutdown(mp, (error == EFSCORRUPTED) ? - XFS_CORRUPT_INCORE : - XFS_METADATA_IO_ERROR); + SHUTDOWN_CORRUPT_INCORE : + SHUTDOWN_META_IO_ERROR); return error; } xfs_trans_log_efd_extent(ntp, efd, free->xbfi_startblock, @@ -4538,7 +4714,8 @@ xfs_bmapi( xfs_extlen_t total, /* total blocks needed */ xfs_bmbt_irec_t *mval, /* output: map values */ int *nmap, /* i/o: mval size/count */ - xfs_bmap_free_t *flist) /* i/o: list extents to free */ + xfs_bmap_free_t *flist, /* i/o: list extents to free */ + xfs_extdelta_t *delta) /* o: change made to incore extents */ { xfs_fsblock_t abno; /* allocated block number */ xfs_extlen_t alen; /* allocated extent length */ @@ -4650,6 +4827,10 @@ xfs_bmapi( end = bno + len; obno = bno; bma.ip = NULL; + if (delta) { + delta->xed_startoff = NULLFILEOFF; + delta->xed_blockcount = 0; + } while (bno < end && n < *nmap) { /* * Reading past eof, act as though there's a hole @@ -4886,8 +5067,8 @@ xfs_bmapi( got.br_state = XFS_EXT_UNWRITTEN; } error = xfs_bmap_add_extent(ip, lastx, &cur, &got, - firstblock, flist, &tmp_logflags, whichfork, - (flags & XFS_BMAPI_RSVBLOCKS)); + firstblock, flist, &tmp_logflags, delta, + whichfork, (flags & XFS_BMAPI_RSVBLOCKS)); logflags |= tmp_logflags; if (error) goto error0; @@ -4983,8 +5164,8 @@ xfs_bmapi( } mval->br_state = XFS_EXT_NORM; error = xfs_bmap_add_extent(ip, lastx, &cur, mval, - firstblock, flist, &tmp_logflags, whichfork, - (flags & XFS_BMAPI_RSVBLOCKS)); + firstblock, flist, &tmp_logflags, delta, + whichfork, (flags & XFS_BMAPI_RSVBLOCKS)); logflags |= tmp_logflags; if (error) goto error0; @@ -5073,7 +5254,14 @@ xfs_bmapi( ASSERT(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE || XFS_IFORK_NEXTENTS(ip, whichfork) > ifp->if_ext_max); error = 0; - + if (delta && delta->xed_startoff != NULLFILEOFF) { + /* A change was actually made. + * Note that delta->xed_blockount is an offset at this + * point and needs to be converted to a block count. + */ + ASSERT(delta->xed_blockcount > delta->xed_startoff); + delta->xed_blockcount -= delta->xed_startoff; + } error0: /* * Log everything. Do this after conversion, there's no point in @@ -5185,6 +5373,8 @@ xfs_bunmapi( xfs_fsblock_t *firstblock, /* first allocated block controls a.g. for allocs */ xfs_bmap_free_t *flist, /* i/o: list extents to free */ + xfs_extdelta_t *delta, /* o: change made to incore + extents */ int *done) /* set if not done yet */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -5242,6 +5432,10 @@ xfs_bunmapi( bno = start + len - 1; ep = xfs_bmap_search_extents(ip, bno, whichfork, &eof, &lastx, &got, &prev); + if (delta) { + delta->xed_startoff = NULLFILEOFF; + delta->xed_blockcount = 0; + } /* * Check to see if the given block number is past the end of the * file, back up to the last block if so... @@ -5340,7 +5534,8 @@ xfs_bunmapi( } del.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent(ip, lastx, &cur, &del, - firstblock, flist, &logflags, XFS_DATA_FORK, 0); + firstblock, flist, &logflags, delta, + XFS_DATA_FORK, 0); if (error) goto error0; goto nodelete; @@ -5394,7 +5589,7 @@ xfs_bunmapi( prev.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent(ip, lastx - 1, &cur, &prev, firstblock, flist, &logflags, - XFS_DATA_FORK, 0); + delta, XFS_DATA_FORK, 0); if (error) goto error0; goto nodelete; @@ -5403,7 +5598,7 @@ xfs_bunmapi( del.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent(ip, lastx, &cur, &del, firstblock, flist, &logflags, - XFS_DATA_FORK, 0); + delta, XFS_DATA_FORK, 0); if (error) goto error0; goto nodelete; @@ -5456,7 +5651,7 @@ xfs_bunmapi( goto error0; } error = xfs_bmap_del_extent(ip, tp, lastx, flist, cur, &del, - &tmp_logflags, whichfork, rsvd); + &tmp_logflags, delta, whichfork, rsvd); logflags |= tmp_logflags; if (error) goto error0; @@ -5513,6 +5708,14 @@ nodelete: ASSERT(ifp->if_ext_max == XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t)); error = 0; + if (delta && delta->xed_startoff != NULLFILEOFF) { + /* A change was actually made. + * Note that delta->xed_blockount is an offset at this + * point and needs to be converted to a block count. + */ + ASSERT(delta->xed_blockcount > delta->xed_startoff); + delta->xed_blockcount -= delta->xed_startoff; + } error0: /* * Log everything. Do this after conversion, there's no point in @@ -5556,7 +5759,7 @@ xfs_getbmap( __int64_t fixlen; /* length for -1 case */ int i; /* extent number */ xfs_inode_t *ip; /* xfs incore inode pointer */ - vnode_t *vp; /* corresponding vnode */ + bhv_vnode_t *vp; /* corresponding vnode */ int lock; /* lock state */ xfs_bmbt_irec_t *map; /* buffer for user's data */ xfs_mount_t *mp; /* file system mount point */ @@ -5653,7 +5856,7 @@ xfs_getbmap( if (whichfork == XFS_DATA_FORK && ip->i_delayed_blks) { /* xfs_fsize_t last_byte = xfs_file_last_byte(ip); */ - VOP_FLUSH_PAGES(vp, (xfs_off_t)0, -1, 0, FI_REMAPF, error); + error = bhv_vop_flush_pages(vp, (xfs_off_t)0, -1, 0, FI_REMAPF); } ASSERT(whichfork == XFS_ATTR_FORK || ip->i_delayed_blks == 0); @@ -5689,7 +5892,8 @@ xfs_getbmap( nmap = (nexleft > subnex) ? subnex : nexleft; error = xfs_bmapi(NULL, ip, XFS_BB_TO_FSBT(mp, bmv->bmv_offset), XFS_BB_TO_FSB(mp, bmv->bmv_length), - bmapi_flags, NULL, 0, map, &nmap, NULL); + bmapi_flags, NULL, 0, map, &nmap, + NULL, NULL); if (error) goto unlock_and_return; ASSERT(nmap <= subnex); diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index 8e0d73d..80e9340 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -26,6 +26,20 @@ struct xfs_mount; struct xfs_trans; /* + * DELTA: describe a change to the in-core extent list. + * + * Internally the use of xed_blockount is somewhat funky. + * xed_blockcount contains an offset much of the time because this + * makes merging changes easier. (xfs_fileoff_t and xfs_filblks_t are + * the same underlying type). + */ +typedef struct xfs_extdelta +{ + xfs_fileoff_t xed_startoff; /* offset of range */ + xfs_filblks_t xed_blockcount; /* blocks in range */ +} xfs_extdelta_t; + +/* * List of extents to be free "later". * The list is kept sorted on xbf_startblock. */ @@ -275,7 +289,9 @@ xfs_bmapi( xfs_extlen_t total, /* total blocks needed */ struct xfs_bmbt_irec *mval, /* output: map values */ int *nmap, /* i/o: mval size/count */ - xfs_bmap_free_t *flist); /* i/o: list extents to free */ + xfs_bmap_free_t *flist, /* i/o: list extents to free */ + xfs_extdelta_t *delta); /* o: change made to incore + extents */ /* * Map file blocks to filesystem blocks, simple version. @@ -309,6 +325,8 @@ xfs_bunmapi( xfs_fsblock_t *firstblock, /* first allocated block controls a.g. for allocs */ xfs_bmap_free_t *flist, /* i/o: list extents to free */ + xfs_extdelta_t *delta, /* o: change made to incore + extents */ int *done); /* set if not done yet */ /* diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index bea4470..18fb738 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -1569,12 +1567,11 @@ xfs_bmbt_split( lbno = XFS_DADDR_TO_FSB(args.mp, XFS_BUF_ADDR(lbp)); left = XFS_BUF_TO_BMBT_BLOCK(lbp); args.fsbno = cur->bc_private.b.firstblock; + args.firstblock = args.fsbno; if (args.fsbno == NULLFSBLOCK) { args.fsbno = lbno; args.type = XFS_ALLOCTYPE_START_BNO; - } else if (cur->bc_private.b.flist->xbf_low) - args.type = XFS_ALLOCTYPE_FIRST_AG; - else + } else args.type = XFS_ALLOCTYPE_NEAR_BNO; args.mod = args.minleft = args.alignment = args.total = args.isfl = args.userdata = args.minalignslop = 0; @@ -2356,6 +2353,7 @@ xfs_bmbt_newroot( args.userdata = args.minalignslop = 0; args.minlen = args.maxlen = args.prod = 1; args.wasdel = cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL; + args.firstblock = args.fsbno; if (args.fsbno == NULLFSBLOCK) { #ifdef DEBUG if ((error = xfs_btree_check_lptr(cur, INT_GET(*pp, ARCH_CONVERT), level))) { @@ -2365,9 +2363,7 @@ xfs_bmbt_newroot( #endif args.fsbno = INT_GET(*pp, ARCH_CONVERT); args.type = XFS_ALLOCTYPE_START_BNO; - } else if (args.wasdel) - args.type = XFS_ALLOCTYPE_FIRST_AG; - else + } else args.type = XFS_ALLOCTYPE_NEAR_BNO; if ((error = xfs_alloc_vextent(&args))) { XFS_BMBT_TRACE_CURSOR(cur, ERROR); diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index 52d5d09..ee2255b 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 5fed156..a4aa539 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -23,7 +23,6 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_buf_item.h" @@ -1030,9 +1029,9 @@ xfs_buf_iodone_callbacks( if ((XFS_BUF_TARGET(bp) != lasttarg) || (time_after(jiffies, (lasttime + 5*HZ)))) { lasttime = jiffies; - prdev("XFS write error in file system meta-data " - "block 0x%llx in %s", - XFS_BUF_TARGET(bp), + cmn_err(CE_ALERT, "Device %s, XFS metadata write error" + " block 0x%llx in %s", + XFS_BUFTARG_NAME(XFS_BUF_TARGET(bp)), (__uint64_t)XFS_BUF_ADDR(bp), mp->m_fsname); } lasttarg = XFS_BUF_TARGET(bp); @@ -1108,7 +1107,7 @@ xfs_buf_error_relse( XFS_BUF_ERROR(bp,0); xfs_buftrace("BUF_ERROR_RELSE", bp); if (! XFS_FORCED_SHUTDOWN(mp)) - xfs_force_shutdown(mp, XFS_METADATA_IO_ERROR); + xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR); /* * We have to unpin the pinned buffers so do the * callbacks. diff --git a/fs/xfs/xfs_cap.h b/fs/xfs/xfs_cap.h index d0035c6e..7a0e482 100644 --- a/fs/xfs/xfs_cap.h +++ b/fs/xfs/xfs_cap.h @@ -49,12 +49,12 @@ typedef struct xfs_cap_set { #include <linux/posix_cap_xattr.h> -struct vnode; +struct bhv_vnode; -extern int xfs_cap_vhascap(struct vnode *); -extern int xfs_cap_vset(struct vnode *, void *, size_t); -extern int xfs_cap_vget(struct vnode *, void *, size_t); -extern int xfs_cap_vremove(struct vnode *vp); +extern int xfs_cap_vhascap(struct bhv_vnode *); +extern int xfs_cap_vset(struct bhv_vnode *, void *, size_t); +extern int xfs_cap_vget(struct bhv_vnode *, void *, size_t); +extern int xfs_cap_vremove(struct bhv_vnode *); #define _CAP_EXISTS xfs_cap_vhascap diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index 8988b90..32ab61d 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -24,7 +24,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -43,7 +41,6 @@ #include "xfs_bmap.h" #include "xfs_attr.h" #include "xfs_attr_leaf.h" -#include "xfs_dir_leaf.h" #include "xfs_dir2_data.h" #include "xfs_dir2_leaf.h" #include "xfs_dir2_block.h" @@ -159,7 +156,7 @@ xfs_da_split(xfs_da_state_t *state) max = state->path.active - 1; ASSERT((max >= 0) && (max < XFS_DA_NODE_MAXDEPTH)); ASSERT(state->path.blk[max].magic == XFS_ATTR_LEAF_MAGIC || - state->path.blk[max].magic == XFS_DIRX_LEAF_MAGIC(state->mp)); + state->path.blk[max].magic == XFS_DIR2_LEAFN_MAGIC); addblk = &state->path.blk[max]; /* initial dummy value */ for (i = max; (i >= 0) && addblk; state->path.active--, i--) { @@ -199,38 +196,7 @@ xfs_da_split(xfs_da_state_t *state) return(error); /* GROT: attr inconsistent */ addblk = newblk; break; - case XFS_DIR_LEAF_MAGIC: - ASSERT(XFS_DIR_IS_V1(state->mp)); - error = xfs_dir_leaf_split(state, oldblk, newblk); - if ((error != 0) && (error != ENOSPC)) { - return(error); /* GROT: dir is inconsistent */ - } - if (!error) { - addblk = newblk; - break; - } - /* - * Entry wouldn't fit, split the leaf again. - */ - state->extravalid = 1; - if (state->inleaf) { - state->extraafter = 0; /* before newblk */ - error = xfs_dir_leaf_split(state, oldblk, - &state->extrablk); - if (error) - return(error); /* GROT: dir incon. */ - addblk = newblk; - } else { - state->extraafter = 1; /* after newblk */ - error = xfs_dir_leaf_split(state, newblk, - &state->extrablk); - if (error) - return(error); /* GROT: dir incon. */ - addblk = newblk; - } - break; case XFS_DIR2_LEAFN_MAGIC: - ASSERT(XFS_DIR_IS_V2(state->mp)); error = xfs_dir2_leafn_split(state, oldblk, newblk); if (error) return error; @@ -363,7 +329,6 @@ xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, size = (int)((char *)&oldroot->btree[be16_to_cpu(oldroot->hdr.count)] - (char *)oldroot); } else { - ASSERT(XFS_DIR_IS_V2(mp)); ASSERT(be16_to_cpu(oldroot->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); leaf = (xfs_dir2_leaf_t *)oldroot; size = (int)((char *)&leaf->ents[be16_to_cpu(leaf->hdr.count)] - @@ -379,8 +344,7 @@ xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, * Set up the new root node. */ error = xfs_da_node_create(args, - args->whichfork == XFS_DATA_FORK && - XFS_DIR_IS_V2(mp) ? mp->m_dirleafblk : 0, + (args->whichfork == XFS_DATA_FORK) ? mp->m_dirleafblk : 0, be16_to_cpu(node->hdr.level) + 1, &bp, args->whichfork); if (error) return(error); @@ -427,10 +391,9 @@ xfs_da_node_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk, ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC); /* - * With V2 the extra block is data or freespace. + * With V2 dirs the extra block is data or freespace. */ - useextra = state->extravalid && (XFS_DIR_IS_V1(state->mp) || - state->args->whichfork == XFS_ATTR_FORK); + useextra = state->extravalid && state->args->whichfork == XFS_ATTR_FORK; newcount = 1 + useextra; /* * Do we have to split the node? @@ -624,7 +587,7 @@ xfs_da_node_add(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk, ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC); ASSERT((oldblk->index >= 0) && (oldblk->index <= be16_to_cpu(node->hdr.count))); ASSERT(newblk->blkno != 0); - if (state->args->whichfork == XFS_DATA_FORK && XFS_DIR_IS_V2(mp)) + if (state->args->whichfork == XFS_DATA_FORK) ASSERT(newblk->blkno >= mp->m_dirleafblk && newblk->blkno < mp->m_dirfreeblk); @@ -670,7 +633,7 @@ xfs_da_join(xfs_da_state_t *state) save_blk = &state->altpath.blk[ state->path.active-1 ]; ASSERT(state->path.blk[0].magic == XFS_DA_NODE_MAGIC); ASSERT(drop_blk->magic == XFS_ATTR_LEAF_MAGIC || - drop_blk->magic == XFS_DIRX_LEAF_MAGIC(state->mp)); + drop_blk->magic == XFS_DIR2_LEAFN_MAGIC); /* * Walk back up the tree joining/deallocating as necessary. @@ -693,17 +656,7 @@ xfs_da_join(xfs_da_state_t *state) return(0); xfs_attr_leaf_unbalance(state, drop_blk, save_blk); break; - case XFS_DIR_LEAF_MAGIC: - ASSERT(XFS_DIR_IS_V1(state->mp)); - error = xfs_dir_leaf_toosmall(state, &action); - if (error) - return(error); - if (action == 0) - return(0); - xfs_dir_leaf_unbalance(state, drop_blk, save_blk); - break; case XFS_DIR2_LEAFN_MAGIC: - ASSERT(XFS_DIR_IS_V2(state->mp)); error = xfs_dir2_leafn_toosmall(state, &action); if (error) return error; @@ -790,7 +743,7 @@ xfs_da_root_join(xfs_da_state_t *state, xfs_da_state_blk_t *root_blk) ASSERT(bp != NULL); blkinfo = bp->data; if (be16_to_cpu(oldroot->hdr.level) == 1) { - ASSERT(be16_to_cpu(blkinfo->magic) == XFS_DIRX_LEAF_MAGIC(state->mp) || + ASSERT(be16_to_cpu(blkinfo->magic) == XFS_DIR2_LEAFN_MAGIC || be16_to_cpu(blkinfo->magic) == XFS_ATTR_LEAF_MAGIC); } else { ASSERT(be16_to_cpu(blkinfo->magic) == XFS_DA_NODE_MAGIC); @@ -951,14 +904,7 @@ xfs_da_fixhashpath(xfs_da_state_t *state, xfs_da_state_path_t *path) if (count == 0) return; break; - case XFS_DIR_LEAF_MAGIC: - ASSERT(XFS_DIR_IS_V1(state->mp)); - lasthash = xfs_dir_leaf_lasthash(blk->bp, &count); - if (count == 0) - return; - break; case XFS_DIR2_LEAFN_MAGIC: - ASSERT(XFS_DIR_IS_V2(state->mp)); lasthash = xfs_dir2_leafn_lasthash(blk->bp, &count); if (count == 0) return; @@ -1117,10 +1063,7 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result) * Descend thru the B-tree searching each level for the right * node to use, until the right hashval is found. */ - if (args->whichfork == XFS_DATA_FORK && XFS_DIR_IS_V2(state->mp)) - blkno = state->mp->m_dirleafblk; - else - blkno = 0; + blkno = (args->whichfork == XFS_DATA_FORK)? state->mp->m_dirleafblk : 0; for (blk = &state->path.blk[0], state->path.active = 1; state->path.active <= XFS_DA_NODE_MAXDEPTH; blk++, state->path.active++) { @@ -1137,7 +1080,7 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result) } curr = blk->bp->data; ASSERT(be16_to_cpu(curr->magic) == XFS_DA_NODE_MAGIC || - be16_to_cpu(curr->magic) == XFS_DIRX_LEAF_MAGIC(state->mp) || + be16_to_cpu(curr->magic) == XFS_DIR2_LEAFN_MAGIC || be16_to_cpu(curr->magic) == XFS_ATTR_LEAF_MAGIC); /* @@ -1190,16 +1133,10 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result) blk->index = probe; blkno = be32_to_cpu(btree->before); } - } - else if (be16_to_cpu(curr->magic) == XFS_ATTR_LEAF_MAGIC) { + } else if (be16_to_cpu(curr->magic) == XFS_ATTR_LEAF_MAGIC) { blk->hashval = xfs_attr_leaf_lasthash(blk->bp, NULL); break; - } - else if (be16_to_cpu(curr->magic) == XFS_DIR_LEAF_MAGIC) { - blk->hashval = xfs_dir_leaf_lasthash(blk->bp, NULL); - break; - } - else if (be16_to_cpu(curr->magic) == XFS_DIR2_LEAFN_MAGIC) { + } else if (be16_to_cpu(curr->magic) == XFS_DIR2_LEAFN_MAGIC) { blk->hashval = xfs_dir2_leafn_lasthash(blk->bp, NULL); break; } @@ -1212,12 +1149,7 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result) * next leaf and keep searching. */ for (;;) { - if (blk->magic == XFS_DIR_LEAF_MAGIC) { - ASSERT(XFS_DIR_IS_V1(state->mp)); - retval = xfs_dir_leaf_lookup_int(blk->bp, args, - &blk->index); - } else if (blk->magic == XFS_DIR2_LEAFN_MAGIC) { - ASSERT(XFS_DIR_IS_V2(state->mp)); + if (blk->magic == XFS_DIR2_LEAFN_MAGIC) { retval = xfs_dir2_leafn_lookup_int(blk->bp, args, &blk->index, state); } @@ -1270,7 +1202,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk, old_info = old_blk->bp->data; new_info = new_blk->bp->data; ASSERT(old_blk->magic == XFS_DA_NODE_MAGIC || - old_blk->magic == XFS_DIRX_LEAF_MAGIC(state->mp) || + old_blk->magic == XFS_DIR2_LEAFN_MAGIC || old_blk->magic == XFS_ATTR_LEAF_MAGIC); ASSERT(old_blk->magic == be16_to_cpu(old_info->magic)); ASSERT(new_blk->magic == be16_to_cpu(new_info->magic)); @@ -1280,12 +1212,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk, case XFS_ATTR_LEAF_MAGIC: before = xfs_attr_leaf_order(old_blk->bp, new_blk->bp); break; - case XFS_DIR_LEAF_MAGIC: - ASSERT(XFS_DIR_IS_V1(state->mp)); - before = xfs_dir_leaf_order(old_blk->bp, new_blk->bp); - break; case XFS_DIR2_LEAFN_MAGIC: - ASSERT(XFS_DIR_IS_V2(state->mp)); before = xfs_dir2_leafn_order(old_blk->bp, new_blk->bp); break; case XFS_DA_NODE_MAGIC: @@ -1404,7 +1331,7 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk, save_info = save_blk->bp->data; drop_info = drop_blk->bp->data; ASSERT(save_blk->magic == XFS_DA_NODE_MAGIC || - save_blk->magic == XFS_DIRX_LEAF_MAGIC(state->mp) || + save_blk->magic == XFS_DIR2_LEAFN_MAGIC || save_blk->magic == XFS_ATTR_LEAF_MAGIC); ASSERT(save_blk->magic == be16_to_cpu(save_info->magic)); ASSERT(drop_blk->magic == be16_to_cpu(drop_info->magic)); @@ -1529,7 +1456,7 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path, ASSERT(blk->bp != NULL); info = blk->bp->data; ASSERT(be16_to_cpu(info->magic) == XFS_DA_NODE_MAGIC || - be16_to_cpu(info->magic) == XFS_DIRX_LEAF_MAGIC(state->mp) || + be16_to_cpu(info->magic) == XFS_DIR2_LEAFN_MAGIC || be16_to_cpu(info->magic) == XFS_ATTR_LEAF_MAGIC); blk->magic = be16_to_cpu(info->magic); if (blk->magic == XFS_DA_NODE_MAGIC) { @@ -1548,20 +1475,13 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path, blk->hashval = xfs_attr_leaf_lasthash(blk->bp, NULL); break; - case XFS_DIR_LEAF_MAGIC: - ASSERT(XFS_DIR_IS_V1(state->mp)); - blk->hashval = xfs_dir_leaf_lasthash(blk->bp, - NULL); - break; case XFS_DIR2_LEAFN_MAGIC: - ASSERT(XFS_DIR_IS_V2(state->mp)); blk->hashval = xfs_dir2_leafn_lasthash(blk->bp, NULL); break; default: ASSERT(blk->magic == XFS_ATTR_LEAF_MAGIC || - blk->magic == - XFS_DIRX_LEAF_MAGIC(state->mp)); + blk->magic == XFS_DIR2_LEAFN_MAGIC); break; } } @@ -1620,7 +1540,6 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno) xfs_bmbt_irec_t *mapp; xfs_inode_t *dp; int nmap, error, w, count, c, got, i, mapi; - xfs_fsize_t size; xfs_trans_t *tp; xfs_mount_t *mp; @@ -1631,7 +1550,7 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno) /* * For new directories adjust the file offset and block count. */ - if (w == XFS_DATA_FORK && XFS_DIR_IS_V2(mp)) { + if (w == XFS_DATA_FORK) { bno = mp->m_dirleafblk; count = mp->m_dirblkfsbs; } else { @@ -1641,10 +1560,9 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno) /* * Find a spot in the file space to put the new block. */ - if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, w))) { + if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, w))) return error; - } - if (w == XFS_DATA_FORK && XFS_DIR_IS_V2(mp)) + if (w == XFS_DATA_FORK) ASSERT(bno >= mp->m_dirleafblk && bno < mp->m_dirfreeblk); /* * Try mapping it in one filesystem block. @@ -1655,7 +1573,7 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno) XFS_BMAPI_AFLAG(w)|XFS_BMAPI_WRITE|XFS_BMAPI_METADATA| XFS_BMAPI_CONTIG, args->firstblock, args->total, &map, &nmap, - args->flist))) { + args->flist, NULL))) { return error; } ASSERT(nmap <= 1); @@ -1676,7 +1594,8 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno) XFS_BMAPI_AFLAG(w)|XFS_BMAPI_WRITE| XFS_BMAPI_METADATA, args->firstblock, args->total, - &mapp[mapi], &nmap, args->flist))) { + &mapp[mapi], &nmap, args->flist, + NULL))) { kmem_free(mapp, sizeof(*mapp) * count); return error; } @@ -1705,19 +1624,6 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno) if (mapp != &map) kmem_free(mapp, sizeof(*mapp) * count); *new_blkno = (xfs_dablk_t)bno; - /* - * For version 1 directories, adjust the file size if it changed. - */ - if (w == XFS_DATA_FORK && XFS_DIR_IS_V1(mp)) { - ASSERT(mapi == 1); - if ((error = xfs_bmap_last_offset(tp, dp, &bno, w))) - return error; - size = XFS_FSB_TO_B(mp, bno); - if (size != dp->i_d.di_size) { - dp->i_d.di_size = size; - xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); - } - } return 0; } @@ -1742,7 +1648,6 @@ xfs_da_swap_lastblock(xfs_da_args_t *args, xfs_dablk_t *dead_blknop, int error, w, entno, level, dead_level; xfs_da_blkinfo_t *dead_info, *sib_info; xfs_da_intnode_t *par_node, *dead_node; - xfs_dir_leafblock_t *dead_leaf; xfs_dir2_leaf_t *dead_leaf2; xfs_dahash_t dead_hash; @@ -1753,11 +1658,8 @@ xfs_da_swap_lastblock(xfs_da_args_t *args, xfs_dablk_t *dead_blknop, w = args->whichfork; ASSERT(w == XFS_DATA_FORK); mp = ip->i_mount; - if (XFS_DIR_IS_V2(mp)) { - lastoff = mp->m_dirfreeblk; - error = xfs_bmap_last_before(tp, ip, &lastoff, w); - } else - error = xfs_bmap_last_offset(tp, ip, &lastoff, w); + lastoff = mp->m_dirfreeblk; + error = xfs_bmap_last_before(tp, ip, &lastoff, w); if (error) return error; if (unlikely(lastoff == 0)) { @@ -1780,14 +1682,7 @@ xfs_da_swap_lastblock(xfs_da_args_t *args, xfs_dablk_t *dead_blknop, /* * Get values from the moved block. */ - if (be16_to_cpu(dead_info->magic) == XFS_DIR_LEAF_MAGIC) { - ASSERT(XFS_DIR_IS_V1(mp)); - dead_leaf = (xfs_dir_leafblock_t *)dead_info; - dead_level = 0; - dead_hash = - INT_GET(dead_leaf->entries[INT_GET(dead_leaf->hdr.count, ARCH_CONVERT) - 1].hashval, ARCH_CONVERT); - } else if (be16_to_cpu(dead_info->magic) == XFS_DIR2_LEAFN_MAGIC) { - ASSERT(XFS_DIR_IS_V2(mp)); + if (be16_to_cpu(dead_info->magic) == XFS_DIR2_LEAFN_MAGIC) { dead_leaf2 = (xfs_dir2_leaf_t *)dead_info; dead_level = 0; dead_hash = be32_to_cpu(dead_leaf2->ents[be16_to_cpu(dead_leaf2->hdr.count) - 1].hashval); @@ -1842,7 +1737,7 @@ xfs_da_swap_lastblock(xfs_da_args_t *args, xfs_dablk_t *dead_blknop, xfs_da_buf_done(sib_buf); sib_buf = NULL; } - par_blkno = XFS_DIR_IS_V1(mp) ? 0 : mp->m_dirleafblk; + par_blkno = mp->m_dirleafblk; level = -1; /* * Walk down the tree looking for the parent of the moved block. @@ -1941,8 +1836,6 @@ xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno, { xfs_inode_t *dp; int done, error, w, count; - xfs_fileoff_t bno; - xfs_fsize_t size; xfs_trans_t *tp; xfs_mount_t *mp; @@ -1950,7 +1843,7 @@ xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno, w = args->whichfork; tp = args->trans; mp = dp->i_mount; - if (w == XFS_DATA_FORK && XFS_DIR_IS_V2(mp)) + if (w == XFS_DATA_FORK) count = mp->m_dirblkfsbs; else count = 1; @@ -1961,34 +1854,17 @@ xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno, */ if ((error = xfs_bunmapi(tp, dp, dead_blkno, count, XFS_BMAPI_AFLAG(w)|XFS_BMAPI_METADATA, - 0, args->firstblock, args->flist, + 0, args->firstblock, args->flist, NULL, &done)) == ENOSPC) { if (w != XFS_DATA_FORK) - goto done; + break; if ((error = xfs_da_swap_lastblock(args, &dead_blkno, &dead_buf))) - goto done; - } else if (error) - goto done; - else + break; + } else { break; - } - ASSERT(done); - xfs_da_binval(tp, dead_buf); - /* - * Adjust the directory size for version 1. - */ - if (w == XFS_DATA_FORK && XFS_DIR_IS_V1(mp)) { - if ((error = xfs_bmap_last_offset(tp, dp, &bno, w))) - return error; - size = XFS_FSB_TO_B(dp->i_mount, bno); - if (size != dp->i_d.di_size) { - dp->i_d.di_size = size; - xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); } } - return 0; -done: xfs_da_binval(tp, dead_buf); return error; } @@ -2049,10 +1925,7 @@ xfs_da_do_buf( xfs_dabuf_t *rbp; mp = dp->i_mount; - if (whichfork == XFS_DATA_FORK && XFS_DIR_IS_V2(mp)) - nfsb = mp->m_dirblkfsbs; - else - nfsb = 1; + nfsb = (whichfork == XFS_DATA_FORK) ? mp->m_dirblkfsbs : 1; mappedbno = *mappedbnop; /* * Caller doesn't have a mapping. -2 means don't complain @@ -2086,7 +1959,7 @@ xfs_da_do_buf( nfsb, XFS_BMAPI_METADATA | XFS_BMAPI_AFLAG(whichfork), - NULL, 0, mapp, &nmap, NULL))) + NULL, 0, mapp, &nmap, NULL, NULL))) goto exit0; } } else { @@ -2198,7 +2071,6 @@ xfs_da_do_buf( magic1 = be32_to_cpu(data->hdr.magic); if (unlikely( XFS_TEST_ERROR((magic != XFS_DA_NODE_MAGIC) && - (magic != XFS_DIR_LEAF_MAGIC) && (magic != XFS_ATTR_LEAF_MAGIC) && (magic != XFS_DIR2_LEAF1_MAGIC) && (magic != XFS_DIR2_LEAFN_MAGIC) && diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h index 243a730..4ab865e 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/xfs_da_btree.h @@ -36,14 +36,10 @@ struct zone; * level in the Btree, and to identify which type of block this is. */ #define XFS_DA_NODE_MAGIC 0xfebe /* magic number: non-leaf blocks */ -#define XFS_DIR_LEAF_MAGIC 0xfeeb /* magic number: directory leaf blks */ #define XFS_ATTR_LEAF_MAGIC 0xfbee /* magic number: attribute leaf blks */ #define XFS_DIR2_LEAF1_MAGIC 0xd2f1 /* magic number: v2 dirlf single blks */ #define XFS_DIR2_LEAFN_MAGIC 0xd2ff /* magic number: v2 dirlf multi blks */ -#define XFS_DIRX_LEAF_MAGIC(mp) \ - (XFS_DIR_IS_V1(mp) ? XFS_DIR_LEAF_MAGIC : XFS_DIR2_LEAFN_MAGIC) - typedef struct xfs_da_blkinfo { __be32 forw; /* previous block in list */ __be32 back; /* following block in list */ diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c index 4968a63..80562b6 100644 --- a/fs/xfs/xfs_dfrag.c +++ b/fs/xfs/xfs_dfrag.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -54,24 +52,14 @@ xfs_swapext( xfs_swapext_t __user *sxu) { xfs_swapext_t *sxp; - xfs_inode_t *ip=NULL, *tip=NULL, *ips[2]; - xfs_trans_t *tp; + xfs_inode_t *ip=NULL, *tip=NULL; xfs_mount_t *mp; - xfs_bstat_t *sbp; struct file *fp = NULL, *tfp = NULL; - vnode_t *vp, *tvp; - static uint lock_flags = XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL; - int ilf_fields, tilf_fields; + bhv_vnode_t *vp, *tvp; int error = 0; - xfs_ifork_t *tempifp, *ifp, *tifp; - __uint64_t tmp; - int aforkblks = 0; - int taforkblks = 0; - char locked = 0; sxp = kmem_alloc(sizeof(xfs_swapext_t), KM_MAYFAIL); - tempifp = kmem_alloc(sizeof(xfs_ifork_t), KM_MAYFAIL); - if (!sxp || !tempifp) { + if (!sxp) { error = XFS_ERROR(ENOMEM); goto error0; } @@ -118,14 +106,56 @@ xfs_swapext( mp = ip->i_mount; - sbp = &sxp->sx_stat; - if (XFS_FORCED_SHUTDOWN(mp)) { error = XFS_ERROR(EIO); goto error0; } - locked = 1; + error = XFS_SWAP_EXTENTS(mp, &ip->i_iocore, &tip->i_iocore, sxp); + + error0: + if (fp != NULL) + fput(fp); + if (tfp != NULL) + fput(tfp); + + if (sxp != NULL) + kmem_free(sxp, sizeof(xfs_swapext_t)); + + return error; +} + +int +xfs_swap_extents( + xfs_inode_t *ip, + xfs_inode_t *tip, + xfs_swapext_t *sxp) +{ + xfs_mount_t *mp; + xfs_inode_t *ips[2]; + xfs_trans_t *tp; + xfs_bstat_t *sbp = &sxp->sx_stat; + bhv_vnode_t *vp, *tvp; + xfs_ifork_t *tempifp, *ifp, *tifp; + int ilf_fields, tilf_fields; + static uint lock_flags = XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL; + int error = 0; + int aforkblks = 0; + int taforkblks = 0; + __uint64_t tmp; + char locked = 0; + + mp = ip->i_mount; + + tempifp = kmem_alloc(sizeof(xfs_ifork_t), KM_MAYFAIL); + if (!tempifp) { + error = XFS_ERROR(ENOMEM); + goto error0; + } + + sbp = &sxp->sx_stat; + vp = XFS_ITOV(ip); + tvp = XFS_ITOV(tip); /* Lock in i_ino order */ if (ip->i_ino < tip->i_ino) { @@ -137,6 +167,7 @@ xfs_swapext( } xfs_lock_inodes(ips, 2, 0, lock_flags); + locked = 1; /* Check permissions */ error = xfs_iaccess(ip, S_IWUSR, NULL); @@ -169,7 +200,7 @@ xfs_swapext( if (VN_CACHED(tvp) != 0) { xfs_inval_cached_trace(&tip->i_iocore, 0, -1, 0, -1); - VOP_FLUSHINVAL_PAGES(tvp, 0, -1, FI_REMAPF_LOCKED); + bhv_vop_flushinval_pages(tvp, 0, -1, FI_REMAPF_LOCKED); } /* Verify O_DIRECT for ftmp */ @@ -214,7 +245,7 @@ xfs_swapext( /* We need to fail if the file is memory mapped. Once we have tossed * all existing pages, the page fault will have no option * but to go to the filesystem for pages. By making the page fault call - * VOP_READ (or write in the case of autogrow) they block on the iolock + * vop_read (or write in the case of autogrow) they block on the iolock * until we have switched the extents. */ if (VN_MAPPED(vp)) { @@ -233,7 +264,7 @@ xfs_swapext( * fields change. */ - VOP_TOSS_PAGES(vp, 0, -1, FI_REMAPF); + bhv_vop_toss_pages(vp, 0, -1, FI_REMAPF); tp = xfs_trans_alloc(mp, XFS_TRANS_SWAPEXT); if ((error = xfs_trans_reserve(tp, 0, @@ -360,16 +391,7 @@ xfs_swapext( xfs_iunlock(ip, lock_flags); xfs_iunlock(tip, lock_flags); } - - if (fp != NULL) - fput(fp); - if (tfp != NULL) - fput(tfp); - - if (sxp != NULL) - kmem_free(sxp, sizeof(xfs_swapext_t)); if (tempifp != NULL) kmem_free(tempifp, sizeof(xfs_ifork_t)); - return error; } diff --git a/fs/xfs/xfs_dfrag.h b/fs/xfs/xfs_dfrag.h index f678559..da17820 100644 --- a/fs/xfs/xfs_dfrag.h +++ b/fs/xfs/xfs_dfrag.h @@ -48,6 +48,9 @@ typedef struct xfs_swapext */ int xfs_swapext(struct xfs_swapext __user *sx); +int xfs_swap_extents(struct xfs_inode *ip, struct xfs_inode *tip, + struct xfs_swapext *sxp); + #endif /* __KERNEL__ */ #endif /* __XFS_DFRAG_H__ */ diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h index 79d0d9e..b338269 100644 --- a/fs/xfs/xfs_dinode.h +++ b/fs/xfs/xfs_dinode.h @@ -85,7 +85,6 @@ typedef struct xfs_dinode union { xfs_bmdr_block_t di_bmbt; /* btree root block */ xfs_bmbt_rec_32_t di_bmx[1]; /* extent list */ - xfs_dir_shortform_t di_dirsf; /* shortform directory */ xfs_dir2_sf_t di_dir2sf; /* shortform directory v2 */ char di_c[1]; /* local contents */ xfs_dev_t di_dev; /* device for S_IFCHR/S_IFBLK */ @@ -257,6 +256,7 @@ typedef enum xfs_dinode_fmt #define XFS_DIFLAG_NOSYMLINKS_BIT 10 /* disallow symlink creation */ #define XFS_DIFLAG_EXTSIZE_BIT 11 /* inode extent size allocator hint */ #define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */ +#define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */ #define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT) #define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT) #define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT) @@ -270,12 +270,13 @@ typedef enum xfs_dinode_fmt #define XFS_DIFLAG_NOSYMLINKS (1 << XFS_DIFLAG_NOSYMLINKS_BIT) #define XFS_DIFLAG_EXTSIZE (1 << XFS_DIFLAG_EXTSIZE_BIT) #define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT) +#define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT) #define XFS_DIFLAG_ANY \ (XFS_DIFLAG_REALTIME | XFS_DIFLAG_PREALLOC | XFS_DIFLAG_NEWRTBM | \ XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \ XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \ XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \ - XFS_DIFLAG_EXTSZINHERIT) + XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG) #endif /* __XFS_DINODE_H__ */ diff --git a/fs/xfs/xfs_dir.c b/fs/xfs/xfs_dir.c deleted file mode 100644 index 9cc702a..0000000 --- a/fs/xfs/xfs_dir.c +++ /dev/null @@ -1,1217 +0,0 @@ -/* - * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "xfs.h" -#include "xfs_fs.h" -#include "xfs_types.h" -#include "xfs_log.h" -#include "xfs_inum.h" -#include "xfs_trans.h" -#include "xfs_sb.h" -#include "xfs_dir.h" -#include "xfs_dir2.h" -#include "xfs_dmapi.h" -#include "xfs_mount.h" -#include "xfs_da_btree.h" -#include "xfs_bmap_btree.h" -#include "xfs_alloc_btree.h" -#include "xfs_ialloc_btree.h" -#include "xfs_alloc.h" -#include "xfs_btree.h" -#include "xfs_dir_sf.h" -#include "xfs_dir2_sf.h" -#include "xfs_attr_sf.h" -#include "xfs_dinode.h" -#include "xfs_inode.h" -#include "xfs_bmap.h" -#include "xfs_dir_leaf.h" -#include "xfs_error.h" - -/* - * xfs_dir.c - * - * Provide the external interfaces to manage directories. - */ - -/*======================================================================== - * Function prototypes for the kernel. - *========================================================================*/ - -/* - * Functions for the dirops interfaces. - */ -static void xfs_dir_mount(struct xfs_mount *mp); - -static int xfs_dir_isempty(struct xfs_inode *dp); - -static int xfs_dir_init(struct xfs_trans *trans, - struct xfs_inode *dir, - struct xfs_inode *parent_dir); - -static int xfs_dir_createname(struct xfs_trans *trans, - struct xfs_inode *dp, - char *name_string, - int name_len, - xfs_ino_t inode_number, - xfs_fsblock_t *firstblock, - xfs_bmap_free_t *flist, - xfs_extlen_t total); - -static int xfs_dir_lookup(struct xfs_trans *tp, - struct xfs_inode *dp, - char *name_string, - int name_length, - xfs_ino_t *inode_number); - -static int xfs_dir_removename(struct xfs_trans *trans, - struct xfs_inode *dp, - char *name_string, - int name_length, - xfs_ino_t ino, - xfs_fsblock_t *firstblock, - xfs_bmap_free_t *flist, - xfs_extlen_t total); - -static int xfs_dir_getdents(struct xfs_trans *tp, - struct xfs_inode *dp, - struct uio *uiop, - int *eofp); - -static int xfs_dir_replace(struct xfs_trans *tp, - struct xfs_inode *dp, - char *name_string, - int name_length, - xfs_ino_t inode_number, - xfs_fsblock_t *firstblock, - xfs_bmap_free_t *flist, - xfs_extlen_t total); - -static int xfs_dir_canenter(struct xfs_trans *tp, - struct xfs_inode *dp, - char *name_string, - int name_length); - -static int xfs_dir_shortform_validate_ondisk(xfs_mount_t *mp, - xfs_dinode_t *dip); - -xfs_dirops_t xfsv1_dirops = { - .xd_mount = xfs_dir_mount, - .xd_isempty = xfs_dir_isempty, - .xd_init = xfs_dir_init, - .xd_createname = xfs_dir_createname, - .xd_lookup = xfs_dir_lookup, - .xd_removename = xfs_dir_removename, - .xd_getdents = xfs_dir_getdents, - .xd_replace = xfs_dir_replace, - .xd_canenter = xfs_dir_canenter, - .xd_shortform_validate_ondisk = xfs_dir_shortform_validate_ondisk, - .xd_shortform_to_single = xfs_dir_shortform_to_leaf, -}; - -/* - * Internal routines when dirsize == XFS_LBSIZE(mp). - */ -STATIC int xfs_dir_leaf_lookup(xfs_da_args_t *args); -STATIC int xfs_dir_leaf_removename(xfs_da_args_t *args, int *number_entries, - int *total_namebytes); -STATIC int xfs_dir_leaf_getdents(xfs_trans_t *trans, xfs_inode_t *dp, - uio_t *uio, int *eofp, - xfs_dirent_t *dbp, - xfs_dir_put_t put); -STATIC int xfs_dir_leaf_replace(xfs_da_args_t *args); - -/* - * Internal routines when dirsize > XFS_LBSIZE(mp). - */ -STATIC int xfs_dir_node_addname(xfs_da_args_t *args); -STATIC int xfs_dir_node_lookup(xfs_da_args_t *args); -STATIC int xfs_dir_node_removename(xfs_da_args_t *args); -STATIC int xfs_dir_node_getdents(xfs_trans_t *trans, xfs_inode_t *dp, - uio_t *uio, int *eofp, - xfs_dirent_t *dbp, - xfs_dir_put_t put); -STATIC int xfs_dir_node_replace(xfs_da_args_t *args); - -#if defined(XFS_DIR_TRACE) -ktrace_t *xfs_dir_trace_buf; -#endif - - -/*======================================================================== - * Overall external interface routines. - *========================================================================*/ - -xfs_dahash_t xfs_dir_hash_dot, xfs_dir_hash_dotdot; - -/* - * One-time startup routine called from xfs_init(). - */ -void -xfs_dir_startup(void) -{ - xfs_dir_hash_dot = xfs_da_hashname(".", 1); - xfs_dir_hash_dotdot = xfs_da_hashname("..", 2); -} - -/* - * Initialize directory-related fields in the mount structure. - */ -static void -xfs_dir_mount(xfs_mount_t *mp) -{ - uint shortcount, leafcount, count; - - mp->m_dirversion = 1; - if (!(mp->m_flags & XFS_MOUNT_ATTR2)) { - shortcount = (mp->m_attroffset - - (uint)sizeof(xfs_dir_sf_hdr_t)) / - (uint)sizeof(xfs_dir_sf_entry_t); - leafcount = (XFS_LBSIZE(mp) - - (uint)sizeof(xfs_dir_leaf_hdr_t)) / - ((uint)sizeof(xfs_dir_leaf_entry_t) + - (uint)sizeof(xfs_dir_leaf_name_t)); - } else { - shortcount = (XFS_BMDR_SPACE_CALC(MINABTPTRS) - - (uint)sizeof(xfs_dir_sf_hdr_t)) / - (uint)sizeof(xfs_dir_sf_entry_t); - leafcount = (XFS_LBSIZE(mp) - - (uint)sizeof(xfs_dir_leaf_hdr_t)) / - ((uint)sizeof(xfs_dir_leaf_entry_t) + - (uint)sizeof(xfs_dir_leaf_name_t)); - } - count = shortcount > leafcount ? shortcount : leafcount; - mp->m_dircook_elog = xfs_da_log2_roundup(count + 1); - ASSERT(mp->m_dircook_elog <= mp->m_sb.sb_blocklog); - mp->m_dir_node_ents = mp->m_attr_node_ents = - (XFS_LBSIZE(mp) - (uint)sizeof(xfs_da_node_hdr_t)) / - (uint)sizeof(xfs_da_node_entry_t); - mp->m_dir_magicpct = (XFS_LBSIZE(mp) * 37) / 100; - mp->m_dirblksize = mp->m_sb.sb_blocksize; - mp->m_dirblkfsbs = 1; -} - -/* - * Return 1 if directory contains only "." and "..". - */ -static int -xfs_dir_isempty(xfs_inode_t *dp) -{ - xfs_dir_sf_hdr_t *hdr; - - ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - if (dp->i_d.di_size == 0) - return(1); - if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp)) - return(0); - hdr = (xfs_dir_sf_hdr_t *)dp->i_df.if_u1.if_data; - return(hdr->count == 0); -} - -/* - * Initialize a directory with its "." and ".." entries. - */ -static int -xfs_dir_init(xfs_trans_t *trans, xfs_inode_t *dir, xfs_inode_t *parent_dir) -{ - xfs_da_args_t args; - int error; - - memset((char *)&args, 0, sizeof(args)); - args.dp = dir; - args.trans = trans; - - ASSERT((dir->i_d.di_mode & S_IFMT) == S_IFDIR); - if ((error = xfs_dir_ino_validate(trans->t_mountp, parent_dir->i_ino))) - return error; - - return(xfs_dir_shortform_create(&args, parent_dir->i_ino)); -} - -/* - * Generic handler routine to add a name to a directory. - * Transitions directory from shortform to Btree as necessary. - */ -static int /* error */ -xfs_dir_createname(xfs_trans_t *trans, xfs_inode_t *dp, char *name, - int namelen, xfs_ino_t inum, xfs_fsblock_t *firstblock, - xfs_bmap_free_t *flist, xfs_extlen_t total) -{ - xfs_da_args_t args; - int retval, newsize, done; - - ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - - if ((retval = xfs_dir_ino_validate(trans->t_mountp, inum))) - return (retval); - - XFS_STATS_INC(xs_dir_create); - /* - * Fill in the arg structure for this request. - */ - args.name = name; - args.namelen = namelen; - args.hashval = xfs_da_hashname(name, namelen); - args.inumber = inum; - args.dp = dp; - args.firstblock = firstblock; - args.flist = flist; - args.total = total; - args.whichfork = XFS_DATA_FORK; - args.trans = trans; - args.justcheck = 0; - args.addname = args.oknoent = 1; - - /* - * Decide on what work routines to call based on the inode size. - */ - done = 0; - if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) { - newsize = XFS_DIR_SF_ENTSIZE_BYNAME(args.namelen); - if ((dp->i_d.di_size + newsize) <= XFS_IFORK_DSIZE(dp)) { - retval = xfs_dir_shortform_addname(&args); - done = 1; - } else { - if (total == 0) - return XFS_ERROR(ENOSPC); - retval = xfs_dir_shortform_to_leaf(&args); - done = retval != 0; - } - } - if (!done && xfs_bmap_one_block(dp, XFS_DATA_FORK)) { - retval = xfs_dir_leaf_addname(&args); - done = retval != ENOSPC; - if (!done) { - if (total == 0) - return XFS_ERROR(ENOSPC); - retval = xfs_dir_leaf_to_node(&args); - done = retval != 0; - } - } - if (!done) { - retval = xfs_dir_node_addname(&args); - } - return(retval); -} - -/* - * Generic handler routine to check if a name can be added to a directory, - * without adding any blocks to the directory. - */ -static int /* error */ -xfs_dir_canenter(xfs_trans_t *trans, xfs_inode_t *dp, char *name, int namelen) -{ - xfs_da_args_t args; - int retval, newsize; - - ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - /* - * Fill in the arg structure for this request. - */ - args.name = name; - args.namelen = namelen; - args.hashval = xfs_da_hashname(name, namelen); - args.inumber = 0; - args.dp = dp; - args.firstblock = NULL; - args.flist = NULL; - args.total = 0; - args.whichfork = XFS_DATA_FORK; - args.trans = trans; - args.justcheck = args.addname = args.oknoent = 1; - - /* - * Decide on what work routines to call based on the inode size. - */ - if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) { - newsize = XFS_DIR_SF_ENTSIZE_BYNAME(args.namelen); - if ((dp->i_d.di_size + newsize) <= XFS_IFORK_DSIZE(dp)) - retval = 0; - else - retval = XFS_ERROR(ENOSPC); - } else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) { - retval = xfs_dir_leaf_addname(&args); - } else { - retval = xfs_dir_node_addname(&args); - } - return(retval); -} - -/* - * Generic handler routine to remove a name from a directory. - * Transitions directory from Btree to shortform as necessary. - */ -static int /* error */ -xfs_dir_removename(xfs_trans_t *trans, xfs_inode_t *dp, char *name, - int namelen, xfs_ino_t ino, xfs_fsblock_t *firstblock, - xfs_bmap_free_t *flist, xfs_extlen_t total) -{ - xfs_da_args_t args; - int count, totallen, newsize, retval; - - ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - XFS_STATS_INC(xs_dir_remove); - /* - * Fill in the arg structure for this request. - */ - args.name = name; - args.namelen = namelen; - args.hashval = xfs_da_hashname(name, namelen); - args.inumber = ino; - args.dp = dp; - args.firstblock = firstblock; - args.flist = flist; - args.total = total; - args.whichfork = XFS_DATA_FORK; - args.trans = trans; - args.justcheck = args.addname = args.oknoent = 0; - - /* - * Decide on what work routines to call based on the inode size. - */ - if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) { - retval = xfs_dir_shortform_removename(&args); - } else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) { - retval = xfs_dir_leaf_removename(&args, &count, &totallen); - if (retval == 0) { - newsize = XFS_DIR_SF_ALLFIT(count, totallen); - if (newsize <= XFS_IFORK_DSIZE(dp)) { - retval = xfs_dir_leaf_to_shortform(&args); - } - } - } else { - retval = xfs_dir_node_removename(&args); - } - return(retval); -} - -static int /* error */ -xfs_dir_lookup(xfs_trans_t *trans, xfs_inode_t *dp, char *name, int namelen, - xfs_ino_t *inum) -{ - xfs_da_args_t args; - int retval; - - ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - - XFS_STATS_INC(xs_dir_lookup); - /* - * Fill in the arg structure for this request. - */ - args.name = name; - args.namelen = namelen; - args.hashval = xfs_da_hashname(name, namelen); - args.inumber = 0; - args.dp = dp; - args.firstblock = NULL; - args.flist = NULL; - args.total = 0; - args.whichfork = XFS_DATA_FORK; - args.trans = trans; - args.justcheck = args.addname = 0; - args.oknoent = 1; - - /* - * Decide on what work routines to call based on the inode size. - */ - if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) { - retval = xfs_dir_shortform_lookup(&args); - } else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) { - retval = xfs_dir_leaf_lookup(&args); - } else { - retval = xfs_dir_node_lookup(&args); - } - if (retval == EEXIST) - retval = 0; - *inum = args.inumber; - return(retval); -} - -/* - * Implement readdir. - */ -static int /* error */ -xfs_dir_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio, int *eofp) -{ - xfs_dirent_t *dbp; - int alignment, retval; - xfs_dir_put_t put; - - XFS_STATS_INC(xs_dir_getdents); - ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - - /* - * If our caller has given us a single contiguous memory buffer, - * just work directly within that buffer. If it's in user memory, - * lock it down first. - */ - alignment = sizeof(xfs_off_t) - 1; - if ((uio->uio_iovcnt == 1) && - (((__psint_t)uio->uio_iov[0].iov_base & alignment) == 0) && - ((uio->uio_iov[0].iov_len & alignment) == 0)) { - dbp = NULL; - put = xfs_dir_put_dirent64_direct; - } else { - dbp = kmem_alloc(sizeof(*dbp) + MAXNAMELEN, KM_SLEEP); - put = xfs_dir_put_dirent64_uio; - } - - /* - * Decide on what work routines to call based on the inode size. - */ - *eofp = 0; - - if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) { - retval = xfs_dir_shortform_getdents(dp, uio, eofp, dbp, put); - } else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) { - retval = xfs_dir_leaf_getdents(trans, dp, uio, eofp, dbp, put); - } else { - retval = xfs_dir_node_getdents(trans, dp, uio, eofp, dbp, put); - } - if (dbp != NULL) - kmem_free(dbp, sizeof(*dbp) + MAXNAMELEN); - - return(retval); -} - -static int /* error */ -xfs_dir_replace(xfs_trans_t *trans, xfs_inode_t *dp, char *name, int namelen, - xfs_ino_t inum, xfs_fsblock_t *firstblock, - xfs_bmap_free_t *flist, xfs_extlen_t total) -{ - xfs_da_args_t args; - int retval; - - ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - - if ((retval = xfs_dir_ino_validate(trans->t_mountp, inum))) - return retval; - - /* - * Fill in the arg structure for this request. - */ - args.name = name; - args.namelen = namelen; - args.hashval = xfs_da_hashname(name, namelen); - args.inumber = inum; - args.dp = dp; - args.firstblock = firstblock; - args.flist = flist; - args.total = total; - args.whichfork = XFS_DATA_FORK; - args.trans = trans; - args.justcheck = args.addname = args.oknoent = 0; - - /* - * Decide on what work routines to call based on the inode size. - */ - if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) { - retval = xfs_dir_shortform_replace(&args); - } else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) { - retval = xfs_dir_leaf_replace(&args); - } else { - retval = xfs_dir_node_replace(&args); - } - - return(retval); -} - -static int -xfs_dir_shortform_validate_ondisk(xfs_mount_t *mp, xfs_dinode_t *dp) -{ - xfs_ino_t ino; - int namelen_sum; - int count; - xfs_dir_shortform_t *sf; - xfs_dir_sf_entry_t *sfe; - int i; - - - - if ((INT_GET(dp->di_core.di_mode, ARCH_CONVERT) & S_IFMT) != S_IFDIR) { - return 0; - } - if (INT_GET(dp->di_core.di_format, ARCH_CONVERT) != XFS_DINODE_FMT_LOCAL) { - return 0; - } - if (INT_GET(dp->di_core.di_size, ARCH_CONVERT) < sizeof(sf->hdr)) { - xfs_fs_cmn_err(CE_WARN, mp, "Invalid shortform size: dp 0x%p", - dp); - return 1; - } - sf = (xfs_dir_shortform_t *)(&dp->di_u.di_dirsf); - ino = XFS_GET_DIR_INO8(sf->hdr.parent); - if (xfs_dir_ino_validate(mp, ino)) - return 1; - - count = sf->hdr.count; - if ((count < 0) || ((count * 10) > XFS_LITINO(mp))) { - xfs_fs_cmn_err(CE_WARN, mp, - "Invalid shortform count: dp 0x%p", dp); - return(1); - } - - if (count == 0) { - return 0; - } - - namelen_sum = 0; - sfe = &sf->list[0]; - for (i = sf->hdr.count - 1; i >= 0; i--) { - ino = XFS_GET_DIR_INO8(sfe->inumber); - xfs_dir_ino_validate(mp, ino); - if (sfe->namelen >= XFS_LITINO(mp)) { - xfs_fs_cmn_err(CE_WARN, mp, - "Invalid shortform namelen: dp 0x%p", dp); - return 1; - } - namelen_sum += sfe->namelen; - sfe = XFS_DIR_SF_NEXTENTRY(sfe); - } - if (namelen_sum >= XFS_LITINO(mp)) { - xfs_fs_cmn_err(CE_WARN, mp, - "Invalid shortform namelen: dp 0x%p", dp); - return 1; - } - - return 0; -} - -/*======================================================================== - * External routines when dirsize == XFS_LBSIZE(dp->i_mount). - *========================================================================*/ - -/* - * Add a name to the leaf directory structure - * This is the external routine. - */ -int -xfs_dir_leaf_addname(xfs_da_args_t *args) -{ - int index, retval; - xfs_dabuf_t *bp; - - retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp, - XFS_DATA_FORK); - if (retval) - return(retval); - ASSERT(bp != NULL); - - retval = xfs_dir_leaf_lookup_int(bp, args, &index); - if (retval == ENOENT) - retval = xfs_dir_leaf_add(bp, args, index); - xfs_da_buf_done(bp); - return(retval); -} - -/* - * Remove a name from the leaf directory structure - * This is the external routine. - */ -STATIC int -xfs_dir_leaf_removename(xfs_da_args_t *args, int *count, int *totallen) -{ - xfs_dir_leafblock_t *leaf; - int index, retval; - xfs_dabuf_t *bp; - - retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp, - XFS_DATA_FORK); - if (retval) - return(retval); - ASSERT(bp != NULL); - leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - retval = xfs_dir_leaf_lookup_int(bp, args, &index); - if (retval == EEXIST) { - (void)xfs_dir_leaf_remove(args->trans, bp, index); - *count = INT_GET(leaf->hdr.count, ARCH_CONVERT); - *totallen = INT_GET(leaf->hdr.namebytes, ARCH_CONVERT); - retval = 0; - } - xfs_da_buf_done(bp); - return(retval); -} - -/* - * Look up a name in a leaf directory structure. - * This is the external routine. - */ -STATIC int -xfs_dir_leaf_lookup(xfs_da_args_t *args) -{ - int index, retval; - xfs_dabuf_t *bp; - - retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp, - XFS_DATA_FORK); - if (retval) - return(retval); - ASSERT(bp != NULL); - retval = xfs_dir_leaf_lookup_int(bp, args, &index); - xfs_da_brelse(args->trans, bp); - return(retval); -} - -/* - * Copy out directory entries for getdents(), for leaf directories. - */ -STATIC int -xfs_dir_leaf_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio, - int *eofp, xfs_dirent_t *dbp, xfs_dir_put_t put) -{ - xfs_dabuf_t *bp; - int retval, eob; - - retval = xfs_da_read_buf(dp->i_transp, dp, 0, -1, &bp, XFS_DATA_FORK); - if (retval) - return(retval); - ASSERT(bp != NULL); - retval = xfs_dir_leaf_getdents_int(bp, dp, 0, uio, &eob, dbp, put, -1); - xfs_da_brelse(trans, bp); - *eofp = (eob == 0); - return(retval); -} - -/* - * Look up a name in a leaf directory structure, replace the inode number. - * This is the external routine. - */ -STATIC int -xfs_dir_leaf_replace(xfs_da_args_t *args) -{ - int index, retval; - xfs_dabuf_t *bp; - xfs_ino_t inum; - xfs_dir_leafblock_t *leaf; - xfs_dir_leaf_entry_t *entry; - xfs_dir_leaf_name_t *namest; - - inum = args->inumber; - retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp, - XFS_DATA_FORK); - if (retval) - return(retval); - ASSERT(bp != NULL); - retval = xfs_dir_leaf_lookup_int(bp, args, &index); - if (retval == EEXIST) { - leaf = bp->data; - entry = &leaf->entries[index]; - namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT)); - /* XXX - replace assert? */ - XFS_DIR_SF_PUT_DIRINO(&inum, &namest->inumber); - xfs_da_log_buf(args->trans, bp, - XFS_DA_LOGRANGE(leaf, namest, sizeof(namest->inumber))); - xfs_da_buf_done(bp); - retval = 0; - } else - xfs_da_brelse(args->trans, bp); - return(retval); -} - - -/*======================================================================== - * External routines when dirsize > XFS_LBSIZE(mp). - *========================================================================*/ - -/* - * Add a name to a Btree-format directory. - * - * This will involve walking down the Btree, and may involve splitting - * leaf nodes and even splitting intermediate nodes up to and including - * the root node (a special case of an intermediate node). - */ -STATIC int -xfs_dir_node_addname(xfs_da_args_t *args) -{ - xfs_da_state_t *state; - xfs_da_state_blk_t *blk; - int retval, error; - - /* - * Fill in bucket of arguments/results/context to carry around. - */ - state = xfs_da_state_alloc(); - state->args = args; - state->mp = args->dp->i_mount; - state->blocksize = state->mp->m_sb.sb_blocksize; - state->node_ents = state->mp->m_dir_node_ents; - - /* - * Search to see if name already exists, and get back a pointer - * to where it should go. - */ - error = xfs_da_node_lookup_int(state, &retval); - if (error) - retval = error; - if (retval != ENOENT) - goto error; - blk = &state->path.blk[ state->path.active-1 ]; - ASSERT(blk->magic == XFS_DIR_LEAF_MAGIC); - retval = xfs_dir_leaf_add(blk->bp, args, blk->index); - if (retval == 0) { - /* - * Addition succeeded, update Btree hashvals. - */ - if (!args->justcheck) - xfs_da_fixhashpath(state, &state->path); - } else { - /* - * Addition failed, split as many Btree elements as required. - */ - if (args->total == 0) { - ASSERT(retval == ENOSPC); - goto error; - } - retval = xfs_da_split(state); - } -error: - xfs_da_state_free(state); - - return(retval); -} - -/* - * Remove a name from a B-tree directory. - * - * This will involve walking down the Btree, and may involve joining - * leaf nodes and even joining intermediate nodes up to and including - * the root node (a special case of an intermediate node). - */ -STATIC int -xfs_dir_node_removename(xfs_da_args_t *args) -{ - xfs_da_state_t *state; - xfs_da_state_blk_t *blk; - int retval, error; - - state = xfs_da_state_alloc(); - state->args = args; - state->mp = args->dp->i_mount; - state->blocksize = state->mp->m_sb.sb_blocksize; - state->node_ents = state->mp->m_dir_node_ents; - - /* - * Search to see if name exists, and get back a pointer to it. - */ - error = xfs_da_node_lookup_int(state, &retval); - if (error) - retval = error; - if (retval != EEXIST) { - xfs_da_state_free(state); - return(retval); - } - - /* - * Remove the name and update the hashvals in the tree. - */ - blk = &state->path.blk[ state->path.active-1 ]; - ASSERT(blk->magic == XFS_DIR_LEAF_MAGIC); - retval = xfs_dir_leaf_remove(args->trans, blk->bp, blk->index); - xfs_da_fixhashpath(state, &state->path); - - /* - * Check to see if the tree needs to be collapsed. - */ - error = 0; - if (retval) { - error = xfs_da_join(state); - } - - xfs_da_state_free(state); - if (error) - return(error); - return(0); -} - -/* - * Look up a filename in a int directory. - * Use an internal routine to actually do all the work. - */ -STATIC int -xfs_dir_node_lookup(xfs_da_args_t *args) -{ - xfs_da_state_t *state; - int retval, error, i; - - state = xfs_da_state_alloc(); - state->args = args; - state->mp = args->dp->i_mount; - state->blocksize = state->mp->m_sb.sb_blocksize; - state->node_ents = state->mp->m_dir_node_ents; - - /* - * Search to see if name exists, - * and get back a pointer to it. - */ - error = xfs_da_node_lookup_int(state, &retval); - if (error) { - retval = error; - } - - /* - * If not in a transaction, we have to release all the buffers. - */ - for (i = 0; i < state->path.active; i++) { - xfs_da_brelse(args->trans, state->path.blk[i].bp); - state->path.blk[i].bp = NULL; - } - - xfs_da_state_free(state); - return(retval); -} - -STATIC int -xfs_dir_node_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio, - int *eofp, xfs_dirent_t *dbp, xfs_dir_put_t put) -{ - xfs_da_intnode_t *node; - xfs_da_node_entry_t *btree; - xfs_dir_leafblock_t *leaf = NULL; - xfs_dablk_t bno, nextbno; - xfs_dahash_t cookhash; - xfs_mount_t *mp; - int error, eob, i; - xfs_dabuf_t *bp; - xfs_daddr_t nextda; - - /* - * Pick up our context. - */ - mp = dp->i_mount; - bp = NULL; - bno = XFS_DA_COOKIE_BNO(mp, uio->uio_offset); - cookhash = XFS_DA_COOKIE_HASH(mp, uio->uio_offset); - - xfs_dir_trace_g_du("node: start", dp, uio); - - /* - * Re-find our place, even if we're confused about what our place is. - * - * First we check the block number from the magic cookie, it is a - * cache of where we ended last time. If we find a leaf block, and - * the starting hashval in that block is less than our desired - * hashval, then we run with it. - */ - if (bno > 0) { - error = xfs_da_read_buf(trans, dp, bno, -2, &bp, XFS_DATA_FORK); - if ((error != 0) && (error != EFSCORRUPTED)) - return(error); - if (bp) - leaf = bp->data; - if (bp && be16_to_cpu(leaf->hdr.info.magic) != XFS_DIR_LEAF_MAGIC) { - xfs_dir_trace_g_dub("node: block not a leaf", - dp, uio, bno); - xfs_da_brelse(trans, bp); - bp = NULL; - } - if (bp && INT_GET(leaf->entries[0].hashval, ARCH_CONVERT) > cookhash) { - xfs_dir_trace_g_dub("node: leaf hash too large", - dp, uio, bno); - xfs_da_brelse(trans, bp); - bp = NULL; - } - if (bp && - cookhash > INT_GET(leaf->entries[INT_GET(leaf->hdr.count, ARCH_CONVERT) - 1].hashval, ARCH_CONVERT)) { - xfs_dir_trace_g_dub("node: leaf hash too small", - dp, uio, bno); - xfs_da_brelse(trans, bp); - bp = NULL; - } - } - - /* - * If we did not find a leaf block from the blockno in the cookie, - * or we there was no blockno in the cookie (eg: first time thru), - * the we start at the top of the Btree and re-find our hashval. - */ - if (bp == NULL) { - xfs_dir_trace_g_du("node: start at root" , dp, uio); - bno = 0; - for (;;) { - error = xfs_da_read_buf(trans, dp, bno, -1, &bp, - XFS_DATA_FORK); - if (error) - return(error); - if (bp == NULL) - return(XFS_ERROR(EFSCORRUPTED)); - node = bp->data; - if (be16_to_cpu(node->hdr.info.magic) != XFS_DA_NODE_MAGIC) - break; - btree = &node->btree[0]; - xfs_dir_trace_g_dun("node: node detail", dp, uio, node); - for (i = 0; i < be16_to_cpu(node->hdr.count); btree++, i++) { - if (be32_to_cpu(btree->hashval) >= cookhash) { - bno = be32_to_cpu(btree->before); - break; - } - } - if (i == be16_to_cpu(node->hdr.count)) { - xfs_da_brelse(trans, bp); - xfs_dir_trace_g_du("node: hash beyond EOF", - dp, uio); - uio->uio_offset = XFS_DA_MAKE_COOKIE(mp, 0, 0, - XFS_DA_MAXHASH); - *eofp = 1; - return(0); - } - xfs_dir_trace_g_dub("node: going to block", - dp, uio, bno); - xfs_da_brelse(trans, bp); - } - } - ASSERT(cookhash != XFS_DA_MAXHASH); - - /* - * We've dropped down to the (first) leaf block that contains the - * hashval we are interested in. Continue rolling upward thru the - * leaf blocks until we fill up our buffer. - */ - for (;;) { - leaf = bp->data; - if (unlikely(be16_to_cpu(leaf->hdr.info.magic) != XFS_DIR_LEAF_MAGIC)) { - xfs_dir_trace_g_dul("node: not a leaf", dp, uio, leaf); - xfs_da_brelse(trans, bp); - XFS_CORRUPTION_ERROR("xfs_dir_node_getdents(1)", - XFS_ERRLEVEL_LOW, mp, leaf); - return XFS_ERROR(EFSCORRUPTED); - } - xfs_dir_trace_g_dul("node: leaf detail", dp, uio, leaf); - if ((nextbno = be32_to_cpu(leaf->hdr.info.forw))) { - nextda = xfs_da_reada_buf(trans, dp, nextbno, - XFS_DATA_FORK); - } else - nextda = -1; - error = xfs_dir_leaf_getdents_int(bp, dp, bno, uio, &eob, dbp, - put, nextda); - xfs_da_brelse(trans, bp); - bno = nextbno; - if (eob) { - xfs_dir_trace_g_dub("node: E-O-B", dp, uio, bno); - *eofp = 0; - return(error); - } - if (bno == 0) - break; - error = xfs_da_read_buf(trans, dp, bno, nextda, &bp, - XFS_DATA_FORK); - if (error) - return(error); - if (unlikely(bp == NULL)) { - XFS_ERROR_REPORT("xfs_dir_node_getdents(2)", - XFS_ERRLEVEL_LOW, mp); - return(XFS_ERROR(EFSCORRUPTED)); - } - } - *eofp = 1; - xfs_dir_trace_g_du("node: E-O-F", dp, uio); - return(0); -} - -/* - * Look up a filename in an int directory, replace the inode number. - * Use an internal routine to actually do the lookup. - */ -STATIC int -xfs_dir_node_replace(xfs_da_args_t *args) -{ - xfs_da_state_t *state; - xfs_da_state_blk_t *blk; - xfs_dir_leafblock_t *leaf; - xfs_dir_leaf_entry_t *entry; - xfs_dir_leaf_name_t *namest; - xfs_ino_t inum; - int retval, error, i; - xfs_dabuf_t *bp; - - state = xfs_da_state_alloc(); - state->args = args; - state->mp = args->dp->i_mount; - state->blocksize = state->mp->m_sb.sb_blocksize; - state->node_ents = state->mp->m_dir_node_ents; - inum = args->inumber; - - /* - * Search to see if name exists, - * and get back a pointer to it. - */ - error = xfs_da_node_lookup_int(state, &retval); - if (error) { - retval = error; - } - - if (retval == EEXIST) { - blk = &state->path.blk[state->path.active - 1]; - ASSERT(blk->magic == XFS_DIR_LEAF_MAGIC); - bp = blk->bp; - leaf = bp->data; - entry = &leaf->entries[blk->index]; - namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT)); - /* XXX - replace assert ? */ - XFS_DIR_SF_PUT_DIRINO(&inum, &namest->inumber); - xfs_da_log_buf(args->trans, bp, - XFS_DA_LOGRANGE(leaf, namest, sizeof(namest->inumber))); - xfs_da_buf_done(bp); - blk->bp = NULL; - retval = 0; - } else { - i = state->path.active - 1; - xfs_da_brelse(args->trans, state->path.blk[i].bp); - state->path.blk[i].bp = NULL; - } - for (i = 0; i < state->path.active - 1; i++) { - xfs_da_brelse(args->trans, state->path.blk[i].bp); - state->path.blk[i].bp = NULL; - } - - xfs_da_state_free(state); - return(retval); -} - -#if defined(XFS_DIR_TRACE) -/* - * Add a trace buffer entry for an inode and a uio. - */ -void -xfs_dir_trace_g_du(char *where, xfs_inode_t *dp, uio_t *uio) -{ - xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DU, where, - (void *)dp, (void *)dp->i_mount, - (void *)((unsigned long)(uio->uio_offset >> 32)), - (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)), - (void *)(unsigned long)uio->uio_resid, - NULL, NULL, NULL, NULL, NULL, NULL, NULL); -} - -/* - * Add a trace buffer entry for an inode and a uio. - */ -void -xfs_dir_trace_g_dub(char *where, xfs_inode_t *dp, uio_t *uio, xfs_dablk_t bno) -{ - xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUB, where, - (void *)dp, (void *)dp->i_mount, - (void *)((unsigned long)(uio->uio_offset >> 32)), - (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)), - (void *)(unsigned long)uio->uio_resid, - (void *)(unsigned long)bno, - NULL, NULL, NULL, NULL, NULL, NULL); -} - -/* - * Add a trace buffer entry for an inode and a uio. - */ -void -xfs_dir_trace_g_dun(char *where, xfs_inode_t *dp, uio_t *uio, - xfs_da_intnode_t *node) -{ - int last = be16_to_cpu(node->hdr.count) - 1; - - xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUN, where, - (void *)dp, (void *)dp->i_mount, - (void *)((unsigned long)(uio->uio_offset >> 32)), - (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)), - (void *)(unsigned long)uio->uio_resid, - (void *)(unsigned long)be32_to_cpu(node->hdr.info.forw), - (void *)(unsigned long) - be16_to_cpu(node->hdr.count), - (void *)(unsigned long) - be32_to_cpu(node->btree[0].hashval), - (void *)(unsigned long) - be32_to_cpu(node->btree[last].hashval), - NULL, NULL, NULL); -} - -/* - * Add a trace buffer entry for an inode and a uio. - */ -void -xfs_dir_trace_g_dul(char *where, xfs_inode_t *dp, uio_t *uio, - xfs_dir_leafblock_t *leaf) -{ - int last = INT_GET(leaf->hdr.count, ARCH_CONVERT) - 1; - - xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUL, where, - (void *)dp, (void *)dp->i_mount, - (void *)((unsigned long)(uio->uio_offset >> 32)), - (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)), - (void *)(unsigned long)uio->uio_resid, - (void *)(unsigned long)be32_to_cpu(leaf->hdr.info.forw), - (void *)(unsigned long) - INT_GET(leaf->hdr.count, ARCH_CONVERT), - (void *)(unsigned long) - INT_GET(leaf->entries[0].hashval, ARCH_CONVERT), - (void *)(unsigned long) - INT_GET(leaf->entries[last].hashval, ARCH_CONVERT), - NULL, NULL, NULL); -} - -/* - * Add a trace buffer entry for an inode and a uio. - */ -void -xfs_dir_trace_g_due(char *where, xfs_inode_t *dp, uio_t *uio, - xfs_dir_leaf_entry_t *entry) -{ - xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUE, where, - (void *)dp, (void *)dp->i_mount, - (void *)((unsigned long)(uio->uio_offset >> 32)), - (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)), - (void *)(unsigned long)uio->uio_resid, - (void *)(unsigned long) - INT_GET(entry->hashval, ARCH_CONVERT), - NULL, NULL, NULL, NULL, NULL, NULL); -} - -/* - * Add a trace buffer entry for an inode and a uio. - */ -void -xfs_dir_trace_g_duc(char *where, xfs_inode_t *dp, uio_t *uio, xfs_off_t cookie) -{ - xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUC, where, - (void *)dp, (void *)dp->i_mount, - (void *)((unsigned long)(uio->uio_offset >> 32)), - (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)), - (void *)(unsigned long)uio->uio_resid, - (void *)((unsigned long)(cookie >> 32)), - (void *)((unsigned long)(cookie & 0xFFFFFFFF)), - NULL, NULL, NULL, NULL, NULL); -} - -/* - * Add a trace buffer entry for the arguments given to the routine, - * generic form. - */ -void -xfs_dir_trace_enter(int type, char *where, - void * a0, void * a1, - void * a2, void * a3, - void * a4, void * a5, - void * a6, void * a7, - void * a8, void * a9, - void * a10, void * a11) -{ - ASSERT(xfs_dir_trace_buf); - ktrace_enter(xfs_dir_trace_buf, (void *)(unsigned long)type, - (void *)where, - (void *)a0, (void *)a1, (void *)a2, - (void *)a3, (void *)a4, (void *)a5, - (void *)a6, (void *)a7, (void *)a8, - (void *)a9, (void *)a10, (void *)a11, - NULL, NULL); -} -#endif /* XFS_DIR_TRACE */ diff --git a/fs/xfs/xfs_dir.h b/fs/xfs/xfs_dir.h deleted file mode 100644 index 8cc8afb..0000000 --- a/fs/xfs/xfs_dir.h +++ /dev/null @@ -1,142 +0,0 @@ -/* - * Copyright (c) 2000,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_DIR_H__ -#define __XFS_DIR_H__ - -/* - * Large directories are structured around Btrees where all the data - * elements are in the leaf nodes. Filenames are hashed into an int, - * then that int is used as the index into the Btree. Since the hashval - * of a filename may not be unique, we may have duplicate keys. The - * internal links in the Btree are logical block offsets into the file. - * - * Small directories use a different format and are packed as tightly - * as possible so as to fit into the literal area of the inode. - */ - -/*======================================================================== - * Function prototypes for the kernel. - *========================================================================*/ - -struct uio; -struct xfs_bmap_free; -struct xfs_da_args; -struct xfs_dinode; -struct xfs_inode; -struct xfs_mount; -struct xfs_trans; - -/* - * Directory function types. - * Put in structures (xfs_dirops_t) for v1 and v2 directories. - */ -typedef void (*xfs_dir_mount_t)(struct xfs_mount *mp); -typedef int (*xfs_dir_isempty_t)(struct xfs_inode *dp); -typedef int (*xfs_dir_init_t)(struct xfs_trans *tp, - struct xfs_inode *dp, - struct xfs_inode *pdp); -typedef int (*xfs_dir_createname_t)(struct xfs_trans *tp, - struct xfs_inode *dp, - char *name, - int namelen, - xfs_ino_t inum, - xfs_fsblock_t *first, - struct xfs_bmap_free *flist, - xfs_extlen_t total); -typedef int (*xfs_dir_lookup_t)(struct xfs_trans *tp, - struct xfs_inode *dp, - char *name, - int namelen, - xfs_ino_t *inum); -typedef int (*xfs_dir_removename_t)(struct xfs_trans *tp, - struct xfs_inode *dp, - char *name, - int namelen, - xfs_ino_t ino, - xfs_fsblock_t *first, - struct xfs_bmap_free *flist, - xfs_extlen_t total); -typedef int (*xfs_dir_getdents_t)(struct xfs_trans *tp, - struct xfs_inode *dp, - struct uio *uio, - int *eofp); -typedef int (*xfs_dir_replace_t)(struct xfs_trans *tp, - struct xfs_inode *dp, - char *name, - int namelen, - xfs_ino_t inum, - xfs_fsblock_t *first, - struct xfs_bmap_free *flist, - xfs_extlen_t total); -typedef int (*xfs_dir_canenter_t)(struct xfs_trans *tp, - struct xfs_inode *dp, - char *name, - int namelen); -typedef int (*xfs_dir_shortform_validate_ondisk_t)(struct xfs_mount *mp, - struct xfs_dinode *dip); -typedef int (*xfs_dir_shortform_to_single_t)(struct xfs_da_args *args); - -typedef struct xfs_dirops { - xfs_dir_mount_t xd_mount; - xfs_dir_isempty_t xd_isempty; - xfs_dir_init_t xd_init; - xfs_dir_createname_t xd_createname; - xfs_dir_lookup_t xd_lookup; - xfs_dir_removename_t xd_removename; - xfs_dir_getdents_t xd_getdents; - xfs_dir_replace_t xd_replace; - xfs_dir_canenter_t xd_canenter; - xfs_dir_shortform_validate_ondisk_t xd_shortform_validate_ondisk; - xfs_dir_shortform_to_single_t xd_shortform_to_single; -} xfs_dirops_t; - -/* - * Overall external interface routines. - */ -void xfs_dir_startup(void); /* called exactly once */ - -#define XFS_DIR_MOUNT(mp) \ - ((mp)->m_dirops.xd_mount(mp)) -#define XFS_DIR_ISEMPTY(mp,dp) \ - ((mp)->m_dirops.xd_isempty(dp)) -#define XFS_DIR_INIT(mp,tp,dp,pdp) \ - ((mp)->m_dirops.xd_init(tp,dp,pdp)) -#define XFS_DIR_CREATENAME(mp,tp,dp,name,namelen,inum,first,flist,total) \ - ((mp)->m_dirops.xd_createname(tp,dp,name,namelen,inum,first,flist,\ - total)) -#define XFS_DIR_LOOKUP(mp,tp,dp,name,namelen,inum) \ - ((mp)->m_dirops.xd_lookup(tp,dp,name,namelen,inum)) -#define XFS_DIR_REMOVENAME(mp,tp,dp,name,namelen,ino,first,flist,total) \ - ((mp)->m_dirops.xd_removename(tp,dp,name,namelen,ino,first,flist,total)) -#define XFS_DIR_GETDENTS(mp,tp,dp,uio,eofp) \ - ((mp)->m_dirops.xd_getdents(tp,dp,uio,eofp)) -#define XFS_DIR_REPLACE(mp,tp,dp,name,namelen,inum,first,flist,total) \ - ((mp)->m_dirops.xd_replace(tp,dp,name,namelen,inum,first,flist,total)) -#define XFS_DIR_CANENTER(mp,tp,dp,name,namelen) \ - ((mp)->m_dirops.xd_canenter(tp,dp,name,namelen)) -#define XFS_DIR_SHORTFORM_VALIDATE_ONDISK(mp,dip) \ - ((mp)->m_dirops.xd_shortform_validate_ondisk(mp,dip)) -#define XFS_DIR_SHORTFORM_TO_SINGLE(mp,args) \ - ((mp)->m_dirops.xd_shortform_to_single(args)) - -#define XFS_DIR_IS_V1(mp) ((mp)->m_dirversion == 1) -#define XFS_DIR_IS_V2(mp) ((mp)->m_dirversion == 2) -extern xfs_dirops_t xfsv1_dirops; -extern xfs_dirops_t xfsv2_dirops; - -#endif /* __XFS_DIR_H__ */ diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c index 022c839..8edbe1a 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/xfs_dir2.c @@ -24,21 +24,18 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" #include "xfs_bmap.h" -#include "xfs_dir_leaf.h" #include "xfs_dir2_data.h" #include "xfs_dir2_leaf.h" #include "xfs_dir2_block.h" @@ -46,69 +43,14 @@ #include "xfs_dir2_trace.h" #include "xfs_error.h" -/* - * Declarations for interface routines. - */ -static void xfs_dir2_mount(xfs_mount_t *mp); -static int xfs_dir2_isempty(xfs_inode_t *dp); -static int xfs_dir2_init(xfs_trans_t *tp, xfs_inode_t *dp, - xfs_inode_t *pdp); -static int xfs_dir2_createname(xfs_trans_t *tp, xfs_inode_t *dp, - char *name, int namelen, xfs_ino_t inum, - xfs_fsblock_t *first, - xfs_bmap_free_t *flist, xfs_extlen_t total); -static int xfs_dir2_lookup(xfs_trans_t *tp, xfs_inode_t *dp, char *name, - int namelen, xfs_ino_t *inum); -static int xfs_dir2_removename(xfs_trans_t *tp, xfs_inode_t *dp, - char *name, int namelen, xfs_ino_t ino, - xfs_fsblock_t *first, - xfs_bmap_free_t *flist, xfs_extlen_t total); -static int xfs_dir2_getdents(xfs_trans_t *tp, xfs_inode_t *dp, uio_t *uio, - int *eofp); -static int xfs_dir2_replace(xfs_trans_t *tp, xfs_inode_t *dp, char *name, - int namelen, xfs_ino_t inum, - xfs_fsblock_t *first, xfs_bmap_free_t *flist, - xfs_extlen_t total); -static int xfs_dir2_canenter(xfs_trans_t *tp, xfs_inode_t *dp, char *name, - int namelen); -static int xfs_dir2_shortform_validate_ondisk(xfs_mount_t *mp, - xfs_dinode_t *dip); - -/* - * Utility routine declarations. - */ static int xfs_dir2_put_dirent64_direct(xfs_dir2_put_args_t *pa); static int xfs_dir2_put_dirent64_uio(xfs_dir2_put_args_t *pa); -/* - * Directory operations vector. - */ -xfs_dirops_t xfsv2_dirops = { - .xd_mount = xfs_dir2_mount, - .xd_isempty = xfs_dir2_isempty, - .xd_init = xfs_dir2_init, - .xd_createname = xfs_dir2_createname, - .xd_lookup = xfs_dir2_lookup, - .xd_removename = xfs_dir2_removename, - .xd_getdents = xfs_dir2_getdents, - .xd_replace = xfs_dir2_replace, - .xd_canenter = xfs_dir2_canenter, - .xd_shortform_validate_ondisk = xfs_dir2_shortform_validate_ondisk, - .xd_shortform_to_single = xfs_dir2_sf_to_block, -}; - -/* - * Interface routines. - */ - -/* - * Initialize directory-related fields in the mount structure. - */ -static void -xfs_dir2_mount( - xfs_mount_t *mp) /* filesystem mount point */ +void +xfs_dir_mount( + xfs_mount_t *mp) { - mp->m_dirversion = 2; + ASSERT(XFS_SB_VERSION_HASDIRV2(&mp->m_sb)); ASSERT((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) <= XFS_MAX_BLOCKSIZE); mp->m_dirblksize = 1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog); @@ -128,19 +70,15 @@ xfs_dir2_mount( /* * Return 1 if directory contains only "." and "..". */ -static int /* return code */ -xfs_dir2_isempty( - xfs_inode_t *dp) /* incore inode structure */ +int +xfs_dir_isempty( + xfs_inode_t *dp) { - xfs_dir2_sf_t *sfp; /* shortform directory structure */ + xfs_dir2_sf_t *sfp; ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - /* - * Might happen during shutdown. - */ - if (dp->i_d.di_size == 0) { + if (dp->i_d.di_size == 0) /* might happen during shutdown. */ return 1; - } if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp)) return 0; sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; @@ -148,53 +86,83 @@ xfs_dir2_isempty( } /* + * Validate a given inode number. + */ +int +xfs_dir_ino_validate( + xfs_mount_t *mp, + xfs_ino_t ino) +{ + xfs_agblock_t agblkno; + xfs_agino_t agino; + xfs_agnumber_t agno; + int ino_ok; + int ioff; + + agno = XFS_INO_TO_AGNO(mp, ino); + agblkno = XFS_INO_TO_AGBNO(mp, ino); + ioff = XFS_INO_TO_OFFSET(mp, ino); + agino = XFS_OFFBNO_TO_AGINO(mp, agblkno, ioff); + ino_ok = + agno < mp->m_sb.sb_agcount && + agblkno < mp->m_sb.sb_agblocks && + agblkno != 0 && + ioff < (1 << mp->m_sb.sb_inopblog) && + XFS_AGINO_TO_INO(mp, agno, agino) == ino; + if (unlikely(XFS_TEST_ERROR(!ino_ok, mp, XFS_ERRTAG_DIR_INO_VALIDATE, + XFS_RANDOM_DIR_INO_VALIDATE))) { + xfs_fs_cmn_err(CE_WARN, mp, "Invalid inode number 0x%Lx", + (unsigned long long) ino); + XFS_ERROR_REPORT("xfs_dir_ino_validate", XFS_ERRLEVEL_LOW, mp); + return XFS_ERROR(EFSCORRUPTED); + } + return 0; +} + +/* * Initialize a directory with its "." and ".." entries. */ -static int /* error */ -xfs_dir2_init( - xfs_trans_t *tp, /* transaction pointer */ - xfs_inode_t *dp, /* incore directory inode */ - xfs_inode_t *pdp) /* incore parent directory inode */ +int +xfs_dir_init( + xfs_trans_t *tp, + xfs_inode_t *dp, + xfs_inode_t *pdp) { - xfs_da_args_t args; /* operation arguments */ - int error; /* error return value */ + xfs_da_args_t args; + int error; memset((char *)&args, 0, sizeof(args)); args.dp = dp; args.trans = tp; ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - if ((error = xfs_dir_ino_validate(tp->t_mountp, pdp->i_ino))) { + if ((error = xfs_dir_ino_validate(tp->t_mountp, pdp->i_ino))) return error; - } return xfs_dir2_sf_create(&args, pdp->i_ino); } /* Enter a name in a directory. */ -static int /* error */ -xfs_dir2_createname( - xfs_trans_t *tp, /* transaction pointer */ - xfs_inode_t *dp, /* incore directory inode */ - char *name, /* new entry name */ - int namelen, /* new entry name length */ +int +xfs_dir_createname( + xfs_trans_t *tp, + xfs_inode_t *dp, + char *name, + int namelen, xfs_ino_t inum, /* new entry inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ xfs_bmap_free_t *flist, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { - xfs_da_args_t args; /* operation arguments */ - int rval; /* return value */ + xfs_da_args_t args; + int rval; int v; /* type-checking value */ ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum))) { + if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum))) return rval; - } XFS_STATS_INC(xs_dir_create); - /* - * Fill in the arg structure for this request. - */ + args.name = name; args.namelen = namelen; args.hashval = xfs_da_hashname(name, namelen); @@ -207,18 +175,16 @@ xfs_dir2_createname( args.trans = tp; args.justcheck = 0; args.addname = args.oknoent = 1; - /* - * Decide on what work routines to call based on the inode size. - */ + if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_addname(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) { + else if ((rval = xfs_dir2_isblock(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_block_addname(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) { + else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_leaf_addname(&args); else rval = xfs_dir2_node_addname(&args); @@ -228,24 +194,21 @@ xfs_dir2_createname( /* * Lookup a name in a directory, give back the inode number. */ -static int /* error */ -xfs_dir2_lookup( - xfs_trans_t *tp, /* transaction pointer */ - xfs_inode_t *dp, /* incore directory inode */ - char *name, /* lookup name */ - int namelen, /* lookup name length */ +int +xfs_dir_lookup( + xfs_trans_t *tp, + xfs_inode_t *dp, + char *name, + int namelen, xfs_ino_t *inum) /* out: inode number */ { - xfs_da_args_t args; /* operation arguments */ - int rval; /* return value */ + xfs_da_args_t args; + int rval; int v; /* type-checking value */ ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); XFS_STATS_INC(xs_dir_lookup); - /* - * Fill in the arg structure for this request. - */ args.name = name; args.namelen = namelen; args.hashval = xfs_da_hashname(name, namelen); @@ -258,18 +221,16 @@ xfs_dir2_lookup( args.trans = tp; args.justcheck = args.addname = 0; args.oknoent = 1; - /* - * Decide on what work routines to call based on the inode size. - */ + if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_lookup(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) { + else if ((rval = xfs_dir2_isblock(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_block_lookup(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) { + else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_leaf_lookup(&args); else rval = xfs_dir2_node_lookup(&args); @@ -283,26 +244,24 @@ xfs_dir2_lookup( /* * Remove an entry from a directory. */ -static int /* error */ -xfs_dir2_removename( - xfs_trans_t *tp, /* transaction pointer */ - xfs_inode_t *dp, /* incore directory inode */ - char *name, /* name of entry to remove */ - int namelen, /* name length of entry to remove */ - xfs_ino_t ino, /* inode number of entry to remove */ +int +xfs_dir_removename( + xfs_trans_t *tp, + xfs_inode_t *dp, + char *name, + int namelen, + xfs_ino_t ino, xfs_fsblock_t *first, /* bmap's firstblock */ xfs_bmap_free_t *flist, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { - xfs_da_args_t args; /* operation arguments */ - int rval; /* return value */ + xfs_da_args_t args; + int rval; int v; /* type-checking value */ ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); XFS_STATS_INC(xs_dir_remove); - /* - * Fill in the arg structure for this request. - */ + args.name = name; args.namelen = namelen; args.hashval = xfs_da_hashname(name, namelen); @@ -314,18 +273,16 @@ xfs_dir2_removename( args.whichfork = XFS_DATA_FORK; args.trans = tp; args.justcheck = args.addname = args.oknoent = 0; - /* - * Decide on what work routines to call based on the inode size. - */ + if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_removename(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) { + else if ((rval = xfs_dir2_isblock(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_block_removename(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) { + else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_leaf_removename(&args); else rval = xfs_dir2_node_removename(&args); @@ -335,10 +292,10 @@ xfs_dir2_removename( /* * Read a directory. */ -static int /* error */ -xfs_dir2_getdents( - xfs_trans_t *tp, /* transaction pointer */ - xfs_inode_t *dp, /* incore directory inode */ +int +xfs_dir_getdents( + xfs_trans_t *tp, + xfs_inode_t *dp, uio_t *uio, /* caller's buffer control */ int *eofp) /* out: eof reached */ { @@ -367,14 +324,11 @@ xfs_dir2_getdents( } *eofp = 0; - /* - * Decide on what work routines to call based on the inode size. - */ if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_getdents(dp, uio, eofp, dbp, put); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) { + else if ((rval = xfs_dir2_isblock(tp, dp, &v))) ; - } else if (v) + else if (v) rval = xfs_dir2_block_getdents(tp, dp, uio, eofp, dbp, put); else rval = xfs_dir2_leaf_getdents(tp, dp, uio, eofp, dbp, put); @@ -386,29 +340,26 @@ xfs_dir2_getdents( /* * Replace the inode number of a directory entry. */ -static int /* error */ -xfs_dir2_replace( - xfs_trans_t *tp, /* transaction pointer */ - xfs_inode_t *dp, /* incore directory inode */ +int +xfs_dir_replace( + xfs_trans_t *tp, + xfs_inode_t *dp, char *name, /* name of entry to replace */ - int namelen, /* name length of entry to replace */ + int namelen, xfs_ino_t inum, /* new inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ xfs_bmap_free_t *flist, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { - xfs_da_args_t args; /* operation arguments */ - int rval; /* return value */ + xfs_da_args_t args; + int rval; int v; /* type-checking value */ ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum))) { + if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum))) return rval; - } - /* - * Fill in the arg structure for this request. - */ + args.name = name; args.namelen = namelen; args.hashval = xfs_da_hashname(name, namelen); @@ -420,18 +371,16 @@ xfs_dir2_replace( args.whichfork = XFS_DATA_FORK; args.trans = tp; args.justcheck = args.addname = args.oknoent = 0; - /* - * Decide on what work routines to call based on the inode size. - */ + if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_replace(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) { + else if ((rval = xfs_dir2_isblock(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_block_replace(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) { + else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_leaf_replace(&args); else rval = xfs_dir2_node_replace(&args); @@ -441,21 +390,19 @@ xfs_dir2_replace( /* * See if this entry can be added to the directory without allocating space. */ -static int /* error */ -xfs_dir2_canenter( - xfs_trans_t *tp, /* transaction pointer */ - xfs_inode_t *dp, /* incore directory inode */ +int +xfs_dir_canenter( + xfs_trans_t *tp, + xfs_inode_t *dp, char *name, /* name of entry to add */ - int namelen) /* name length of entry to add */ + int namelen) { - xfs_da_args_t args; /* operation arguments */ - int rval; /* return value */ + xfs_da_args_t args; + int rval; int v; /* type-checking value */ ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); - /* - * Fill in the arg structure for this request. - */ + args.name = name; args.namelen = namelen; args.hashval = xfs_da_hashname(name, namelen); @@ -467,18 +414,16 @@ xfs_dir2_canenter( args.whichfork = XFS_DATA_FORK; args.trans = tp; args.justcheck = args.addname = args.oknoent = 1; - /* - * Decide on what work routines to call based on the inode size. - */ + if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_addname(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) { + else if ((rval = xfs_dir2_isblock(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_block_addname(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) { + else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) return rval; - } else if (v) + else if (v) rval = xfs_dir2_leaf_addname(&args); else rval = xfs_dir2_node_addname(&args); @@ -486,19 +431,6 @@ xfs_dir2_canenter( } /* - * Dummy routine for shortform inode validation. - * Can't really do this. - */ -/* ARGSUSED */ -static int /* error */ -xfs_dir2_shortform_validate_ondisk( - xfs_mount_t *mp, /* filesystem mount point */ - xfs_dinode_t *dip) /* ondisk inode */ -{ - return 0; -} - -/* * Utility routines. */ @@ -507,24 +439,24 @@ xfs_dir2_shortform_validate_ondisk( * This routine is for data and free blocks, not leaf/node blocks * which are handled by xfs_da_grow_inode. */ -int /* error */ +int xfs_dir2_grow_inode( - xfs_da_args_t *args, /* operation arguments */ + xfs_da_args_t *args, int space, /* v2 dir's space XFS_DIR2_xxx_SPACE */ xfs_dir2_db_t *dbp) /* out: block number added */ { xfs_fileoff_t bno; /* directory offset of new block */ int count; /* count of filesystem blocks */ xfs_inode_t *dp; /* incore directory inode */ - int error; /* error return value */ + int error; int got; /* blocks actually mapped */ - int i; /* temp mapping index */ + int i; xfs_bmbt_irec_t map; /* single structure for bmap */ int mapi; /* mapping index */ xfs_bmbt_irec_t *mapp; /* bmap mapping structure(s) */ - xfs_mount_t *mp; /* filesystem mount point */ + xfs_mount_t *mp; int nmap; /* number of bmap entries */ - xfs_trans_t *tp; /* transaction pointer */ + xfs_trans_t *tp; xfs_dir2_trace_args_s("grow_inode", args, space); dp = args->dp; @@ -538,9 +470,8 @@ xfs_dir2_grow_inode( /* * Find the first hole for our block. */ - if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, XFS_DATA_FORK))) { + if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, XFS_DATA_FORK))) return error; - } nmap = 1; ASSERT(args->firstblock != NULL); /* @@ -549,13 +480,9 @@ xfs_dir2_grow_inode( if ((error = xfs_bmapi(tp, dp, bno, count, XFS_BMAPI_WRITE|XFS_BMAPI_METADATA|XFS_BMAPI_CONTIG, args->firstblock, args->total, &map, &nmap, - args->flist))) { + args->flist, NULL))) return error; - } ASSERT(nmap <= 1); - /* - * Got it in 1. - */ if (nmap == 1) { mapp = ↦ mapi = 1; @@ -585,7 +512,8 @@ xfs_dir2_grow_inode( if ((error = xfs_bmapi(tp, dp, b, c, XFS_BMAPI_WRITE|XFS_BMAPI_METADATA, args->firstblock, args->total, - &mapp[mapi], &nmap, args->flist))) { + &mapp[mapi], &nmap, args->flist, + NULL))) { kmem_free(mapp, sizeof(*mapp) * count); return error; } @@ -645,20 +573,19 @@ xfs_dir2_grow_inode( /* * See if the directory is a single-block form directory. */ -int /* error */ +int xfs_dir2_isblock( - xfs_trans_t *tp, /* transaction pointer */ - xfs_inode_t *dp, /* incore directory inode */ + xfs_trans_t *tp, + xfs_inode_t *dp, int *vp) /* out: 1 is block, 0 is not block */ { xfs_fileoff_t last; /* last file offset */ - xfs_mount_t *mp; /* filesystem mount point */ - int rval; /* return value */ + xfs_mount_t *mp; + int rval; mp = dp->i_mount; - if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK))) { + if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK))) return rval; - } rval = XFS_FSB_TO_B(mp, last) == mp->m_dirblksize; ASSERT(rval == 0 || dp->i_d.di_size == mp->m_dirblksize); *vp = rval; @@ -668,20 +595,19 @@ xfs_dir2_isblock( /* * See if the directory is a single-leaf form directory. */ -int /* error */ +int xfs_dir2_isleaf( - xfs_trans_t *tp, /* transaction pointer */ - xfs_inode_t *dp, /* incore directory inode */ + xfs_trans_t *tp, + xfs_inode_t *dp, int *vp) /* out: 1 is leaf, 0 is not leaf */ { xfs_fileoff_t last; /* last file offset */ - xfs_mount_t *mp; /* filesystem mount point */ - int rval; /* return value */ + xfs_mount_t *mp; + int rval; mp = dp->i_mount; - if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK))) { + if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK))) return rval; - } *vp = last == mp->m_dirleafblk + (1 << mp->m_sb.sb_dirblklog); return 0; } @@ -689,9 +615,9 @@ xfs_dir2_isleaf( /* * Getdents put routine for 64-bit ABI, direct form. */ -static int /* error */ +static int xfs_dir2_put_dirent64_direct( - xfs_dir2_put_args_t *pa) /* argument bundle */ + xfs_dir2_put_args_t *pa) { xfs_dirent_t *idbp; /* dirent pointer */ iovec_t *iovp; /* io vector */ @@ -726,9 +652,9 @@ xfs_dir2_put_dirent64_direct( /* * Getdents put routine for 64-bit ABI, uio form. */ -static int /* error */ +static int xfs_dir2_put_dirent64_uio( - xfs_dir2_put_args_t *pa) /* argument bundle */ + xfs_dir2_put_args_t *pa) { xfs_dirent_t *idbp; /* dirent pointer */ int namelen; /* entry name length */ @@ -764,17 +690,17 @@ xfs_dir2_put_dirent64_uio( */ int xfs_dir2_shrink_inode( - xfs_da_args_t *args, /* operation arguments */ - xfs_dir2_db_t db, /* directory block number */ - xfs_dabuf_t *bp) /* block's buffer */ + xfs_da_args_t *args, + xfs_dir2_db_t db, + xfs_dabuf_t *bp) { xfs_fileoff_t bno; /* directory file offset */ xfs_dablk_t da; /* directory file offset */ int done; /* bunmap is finished */ - xfs_inode_t *dp; /* incore directory inode */ - int error; /* error return value */ - xfs_mount_t *mp; /* filesystem mount point */ - xfs_trans_t *tp; /* transaction pointer */ + xfs_inode_t *dp; + int error; + xfs_mount_t *mp; + xfs_trans_t *tp; xfs_dir2_trace_args_db("shrink_inode", args, db, bp); dp = args->dp; @@ -786,7 +712,7 @@ xfs_dir2_shrink_inode( */ if ((error = xfs_bunmapi(tp, dp, da, mp->m_dirblkfsbs, XFS_BMAPI_METADATA, 0, args->firstblock, args->flist, - &done))) { + NULL, &done))) { /* * ENOSPC actually can happen if we're in a removename with * no space reservation, and the resulting block removal diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h index 7dd364b..86560b6 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/xfs_dir2.h @@ -22,7 +22,9 @@ struct uio; struct xfs_dabuf; struct xfs_da_args; struct xfs_dir2_put_args; +struct xfs_bmap_free; struct xfs_inode; +struct xfs_mount; struct xfs_trans; /* @@ -73,7 +75,35 @@ typedef struct xfs_dir2_put_args { } xfs_dir2_put_args_t; /* - * Other interfaces used by the rest of the dir v2 code. + * Generic directory interface routines + */ +extern void xfs_dir_startup(void); +extern void xfs_dir_mount(struct xfs_mount *mp); +extern int xfs_dir_isempty(struct xfs_inode *dp); +extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp, + struct xfs_inode *pdp); +extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp, + char *name, int namelen, xfs_ino_t inum, + xfs_fsblock_t *first, + struct xfs_bmap_free *flist, xfs_extlen_t tot); +extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, + char *name, int namelen, xfs_ino_t *inum); +extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, + char *name, int namelen, xfs_ino_t ino, + xfs_fsblock_t *first, + struct xfs_bmap_free *flist, xfs_extlen_t tot); +extern int xfs_dir_getdents(struct xfs_trans *tp, struct xfs_inode *dp, + uio_t *uio, int *eofp); +extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, + char *name, int namelen, xfs_ino_t inum, + xfs_fsblock_t *first, + struct xfs_bmap_free *flist, xfs_extlen_t tot); +extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, + char *name, int namelen); +extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); + +/* + * Utility routines for v2 directories. */ extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, xfs_dir2_db_t *dbp); diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index 972ded5..9d7438b 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -22,19 +22,16 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" -#include "xfs_dir_leaf.h" #include "xfs_dir2_data.h" #include "xfs_dir2_leaf.h" #include "xfs_dir2_block.h" @@ -51,6 +48,18 @@ static int xfs_dir2_block_lookup_int(xfs_da_args_t *args, xfs_dabuf_t **bpp, int *entno); static int xfs_dir2_block_sort(const void *a, const void *b); +static xfs_dahash_t xfs_dir_hash_dot, xfs_dir_hash_dotdot; + +/* + * One-time startup routine called from xfs_init(). + */ +void +xfs_dir_startup(void) +{ + xfs_dir_hash_dot = xfs_da_hashname(".", 1); + xfs_dir_hash_dotdot = xfs_da_hashname("..", 2); +} + /* * Add an entry to a block directory. */ @@ -400,7 +409,7 @@ xfs_dir2_block_addname( /* * Create the new data entry. */ - INT_SET(dep->inumber, ARCH_CONVERT, args->inumber); + dep->inumber = cpu_to_be64(args->inumber); dep->namelen = args->namelen; memcpy(dep->name, args->name, args->namelen); tagp = XFS_DIR2_DATA_ENTRY_TAG_P(dep); @@ -508,7 +517,7 @@ xfs_dir2_block_getdents( p.cook = XFS_DIR2_DB_OFF_TO_DATAPTR(mp, mp->m_dirdatablk, ptr - (char *)block); - p.ino = INT_GET(dep->inumber, ARCH_CONVERT); + p.ino = be64_to_cpu(dep->inumber); #if XFS_BIG_INUMS p.ino += mp->m_inoadd; #endif @@ -626,7 +635,7 @@ xfs_dir2_block_lookup( /* * Fill in inode number, release the block. */ - args->inumber = INT_GET(dep->inumber, ARCH_CONVERT); + args->inumber = be64_to_cpu(dep->inumber); xfs_da_brelse(args->trans, bp); return XFS_ERROR(EEXIST); } @@ -844,11 +853,11 @@ xfs_dir2_block_replace( */ dep = (xfs_dir2_data_entry_t *) ((char *)block + XFS_DIR2_DATAPTR_TO_OFF(mp, be32_to_cpu(blp[ent].address))); - ASSERT(INT_GET(dep->inumber, ARCH_CONVERT) != args->inumber); + ASSERT(be64_to_cpu(dep->inumber) != args->inumber); /* * Change the inode number to the new value. */ - INT_SET(dep->inumber, ARCH_CONVERT, args->inumber); + dep->inumber = cpu_to_be64(args->inumber); xfs_dir2_data_log_entry(args->trans, bp, dep); xfs_dir2_data_check(dp, bp); xfs_da_buf_done(bp); @@ -1130,7 +1139,7 @@ xfs_dir2_sf_to_block( */ dep = (xfs_dir2_data_entry_t *) ((char *)block + XFS_DIR2_DATA_DOT_OFFSET); - INT_SET(dep->inumber, ARCH_CONVERT, dp->i_ino); + dep->inumber = cpu_to_be64(dp->i_ino); dep->namelen = 1; dep->name[0] = '.'; tagp = XFS_DIR2_DATA_ENTRY_TAG_P(dep); @@ -1144,7 +1153,7 @@ xfs_dir2_sf_to_block( */ dep = (xfs_dir2_data_entry_t *) ((char *)block + XFS_DIR2_DATA_DOTDOT_OFFSET); - INT_SET(dep->inumber, ARCH_CONVERT, XFS_DIR2_SF_GET_INUMBER(sfp, &sfp->hdr.parent)); + dep->inumber = cpu_to_be64(XFS_DIR2_SF_GET_INUMBER(sfp, &sfp->hdr.parent)); dep->namelen = 2; dep->name[0] = dep->name[1] = '.'; tagp = XFS_DIR2_DATA_ENTRY_TAG_P(dep); @@ -1193,7 +1202,7 @@ xfs_dir2_sf_to_block( * Copy a real entry. */ dep = (xfs_dir2_data_entry_t *)((char *)block + newoffset); - INT_SET(dep->inumber, ARCH_CONVERT, XFS_DIR2_SF_GET_INUMBER(sfp, + dep->inumber = cpu_to_be64(XFS_DIR2_SF_GET_INUMBER(sfp, XFS_DIR2_SF_INUMBERP(sfep))); dep->namelen = sfep->namelen; memcpy(dep->name, sfep->name, dep->namelen); diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c index bb3d03f..f7c7992 100644 --- a/fs/xfs/xfs_dir2_data.c +++ b/fs/xfs/xfs_dir2_data.c @@ -22,18 +22,15 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" -#include "xfs_dir_leaf.h" #include "xfs_dir2_data.h" #include "xfs_dir2_leaf.h" #include "xfs_dir2_block.h" @@ -133,7 +130,7 @@ xfs_dir2_data_check( */ dep = (xfs_dir2_data_entry_t *)p; ASSERT(dep->namelen != 0); - ASSERT(xfs_dir_ino_validate(mp, INT_GET(dep->inumber, ARCH_CONVERT)) == 0); + ASSERT(xfs_dir_ino_validate(mp, be64_to_cpu(dep->inumber)) == 0); ASSERT(be16_to_cpu(*XFS_DIR2_DATA_ENTRY_TAG_P(dep)) == (char *)dep - (char *)d); count++; diff --git a/fs/xfs/xfs_dir2_data.h b/fs/xfs/xfs_dir2_data.h index 0847cbb..a6ae2d2 100644 --- a/fs/xfs/xfs_dir2_data.h +++ b/fs/xfs/xfs_dir2_data.h @@ -85,11 +85,11 @@ typedef struct xfs_dir2_data_hdr { * Tag appears as the last 2 bytes. */ typedef struct xfs_dir2_data_entry { - xfs_ino_t inumber; /* inode number */ - __uint8_t namelen; /* name length */ - __uint8_t name[1]; /* name bytes, no null */ + __be64 inumber; /* inode number */ + __u8 namelen; /* name length */ + __u8 name[1]; /* name bytes, no null */ /* variable offset */ - xfs_dir2_data_off_t tag; /* starting offset of us */ + __be16 tag; /* starting offset of us */ } xfs_dir2_data_entry_t; /* diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index 0f5e2f2..b1cf1fb 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" #include "xfs_attr_sf.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" @@ -407,7 +405,7 @@ xfs_dir2_leaf_addname( * Initialize our new entry (at last). */ dep = (xfs_dir2_data_entry_t *)dup; - INT_SET(dep->inumber, ARCH_CONVERT, args->inumber); + dep->inumber = cpu_to_be64(args->inumber); dep->namelen = args->namelen; memcpy(dep->name, args->name, dep->namelen); tagp = XFS_DIR2_DATA_ENTRY_TAG_P(dep); @@ -884,7 +882,7 @@ xfs_dir2_leaf_getdents( XFS_DIR2_BYTE_TO_DA(mp, XFS_DIR2_LEAF_OFFSET) - map_off, XFS_BMAPI_METADATA, NULL, 0, - &map[map_valid], &nmap, NULL); + &map[map_valid], &nmap, NULL, NULL); /* * Don't know if we should ignore this or * try to return an error. @@ -1098,7 +1096,7 @@ xfs_dir2_leaf_getdents( p->cook = XFS_DIR2_BYTE_TO_DATAPTR(mp, curoff + length); - p->ino = INT_GET(dep->inumber, ARCH_CONVERT); + p->ino = be64_to_cpu(dep->inumber); #if XFS_BIG_INUMS p->ino += mp->m_inoadd; #endif @@ -1319,7 +1317,7 @@ xfs_dir2_leaf_lookup( /* * Return the found inode number. */ - args->inumber = INT_GET(dep->inumber, ARCH_CONVERT); + args->inumber = be64_to_cpu(dep->inumber); xfs_da_brelse(tp, dbp); xfs_da_brelse(tp, lbp); return XFS_ERROR(EEXIST); @@ -1606,11 +1604,11 @@ xfs_dir2_leaf_replace( dep = (xfs_dir2_data_entry_t *) ((char *)dbp->data + XFS_DIR2_DATAPTR_TO_OFF(dp->i_mount, be32_to_cpu(lep->address))); - ASSERT(args->inumber != INT_GET(dep->inumber, ARCH_CONVERT)); + ASSERT(args->inumber != be64_to_cpu(dep->inumber)); /* * Put the new inode number in, log it. */ - INT_SET(dep->inumber, ARCH_CONVERT, args->inumber); + dep->inumber = cpu_to_be64(args->inumber); tp = args->trans; xfs_dir2_data_log_entry(tp, dbp, dep); xfs_da_buf_done(dbp); diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index ac511ab..9ca7171 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -22,13 +22,11 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -505,7 +503,6 @@ xfs_dir2_leafn_lookup_int( XFS_DATA_FORK))) { return error; } - curfdb = newfdb; free = curbp->data; ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); @@ -527,8 +524,11 @@ xfs_dir2_leafn_lookup_int( if (unlikely(be16_to_cpu(free->bests[fi]) == NULLDATAOFF)) { XFS_ERROR_REPORT("xfs_dir2_leafn_lookup_int", XFS_ERRLEVEL_LOW, mp); + if (curfdb != newfdb) + xfs_da_brelse(tp, curbp); return XFS_ERROR(EFSCORRUPTED); } + curfdb = newfdb; if (be16_to_cpu(free->bests[fi]) >= length) { *indexp = index; state->extravalid = 1; @@ -580,7 +580,7 @@ xfs_dir2_leafn_lookup_int( if (dep->namelen == args->namelen && dep->name[0] == args->name[0] && memcmp(dep->name, args->name, args->namelen) == 0) { - args->inumber = INT_GET(dep->inumber, ARCH_CONVERT); + args->inumber = be64_to_cpu(dep->inumber); *indexp = index; state->extravalid = 1; state->extrablk.bp = curbp; @@ -970,7 +970,7 @@ xfs_dir2_leafn_remove( /* * One less used entry in the free table. */ - free->hdr.nused = cpu_to_be32(-1); + be32_add(&free->hdr.nused, -1); xfs_dir2_free_log_header(tp, fbp); /* * If this was the last entry in the table, we can @@ -1695,7 +1695,7 @@ xfs_dir2_node_addname_int( * Fill in the new entry and log it. */ dep = (xfs_dir2_data_entry_t *)dup; - INT_SET(dep->inumber, ARCH_CONVERT, args->inumber); + dep->inumber = cpu_to_be64(args->inumber); dep->namelen = args->namelen; memcpy(dep->name, args->name, dep->namelen); tagp = XFS_DIR2_DATA_ENTRY_TAG_P(dep); @@ -1905,11 +1905,11 @@ xfs_dir2_node_replace( dep = (xfs_dir2_data_entry_t *) ((char *)data + XFS_DIR2_DATAPTR_TO_OFF(state->mp, be32_to_cpu(lep->address))); - ASSERT(inum != INT_GET(dep->inumber, ARCH_CONVERT)); + ASSERT(inum != be64_to_cpu(dep->inumber)); /* * Fill in the new inode number and log the entry. */ - INT_SET(dep->inumber, ARCH_CONVERT, inum); + dep->inumber = cpu_to_be64(inum); xfs_dir2_data_log_entry(args->trans, state->extrablk.bp, dep); rval = 0; } diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c index d98a41d..0cd77b1 100644 --- a/fs/xfs/xfs_dir2_sf.c +++ b/fs/xfs/xfs_dir2_sf.c @@ -22,19 +22,16 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" -#include "xfs_dir_leaf.h" #include "xfs_error.h" #include "xfs_dir2_data.h" #include "xfs_dir2_leaf.h" @@ -117,13 +114,13 @@ xfs_dir2_block_sfsize( dep->name[0] == '.' && dep->name[1] == '.'; #if XFS_BIG_INUMS if (!isdot) - i8count += INT_GET(dep->inumber, ARCH_CONVERT) > XFS_DIR2_MAX_SHORT_INUM; + i8count += be64_to_cpu(dep->inumber) > XFS_DIR2_MAX_SHORT_INUM; #endif if (!isdot && !isdotdot) { count++; namelen += dep->namelen; } else if (isdotdot) - parent = INT_GET(dep->inumber, ARCH_CONVERT); + parent = be64_to_cpu(dep->inumber); /* * Calculate the new size, see if we should give up yet. */ @@ -229,13 +226,13 @@ xfs_dir2_block_to_sf( * Skip . */ if (dep->namelen == 1 && dep->name[0] == '.') - ASSERT(INT_GET(dep->inumber, ARCH_CONVERT) == dp->i_ino); + ASSERT(be64_to_cpu(dep->inumber) == dp->i_ino); /* * Skip .., but make sure the inode number is right. */ else if (dep->namelen == 2 && dep->name[0] == '.' && dep->name[1] == '.') - ASSERT(INT_GET(dep->inumber, ARCH_CONVERT) == + ASSERT(be64_to_cpu(dep->inumber) == XFS_DIR2_SF_GET_INUMBER(sfp, &sfp->hdr.parent)); /* * Normal entry, copy it into shortform. @@ -246,7 +243,7 @@ xfs_dir2_block_to_sf( (xfs_dir2_data_aoff_t) ((char *)dep - (char *)block)); memcpy(sfep->name, dep->name, dep->namelen); - temp=INT_GET(dep->inumber, ARCH_CONVERT); + temp = be64_to_cpu(dep->inumber); XFS_DIR2_SF_PUT_INUMBER(sfp, &temp, XFS_DIR2_SF_INUMBERP(sfep)); sfep = XFS_DIR2_SF_NEXTENTRY(sfp, sfep); diff --git a/fs/xfs/xfs_dir2_trace.c b/fs/xfs/xfs_dir2_trace.c index c626943..f3fb2ff 100644 --- a/fs/xfs/xfs_dir2_trace.c +++ b/fs/xfs/xfs_dir2_trace.c @@ -19,11 +19,9 @@ #include "xfs_fs.h" #include "xfs_types.h" #include "xfs_inum.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" diff --git a/fs/xfs/xfs_dir_leaf.c b/fs/xfs/xfs_dir_leaf.c deleted file mode 100644 index 6d71186..0000000 --- a/fs/xfs/xfs_dir_leaf.c +++ /dev/null @@ -1,2213 +0,0 @@ -/* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "xfs.h" -#include "xfs_fs.h" -#include "xfs_types.h" -#include "xfs_log.h" -#include "xfs_inum.h" -#include "xfs_trans.h" -#include "xfs_sb.h" -#include "xfs_dir.h" -#include "xfs_dir2.h" -#include "xfs_dmapi.h" -#include "xfs_mount.h" -#include "xfs_da_btree.h" -#include "xfs_bmap_btree.h" -#include "xfs_alloc_btree.h" -#include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" -#include "xfs_dir2_sf.h" -#include "xfs_attr_sf.h" -#include "xfs_dinode.h" -#include "xfs_inode.h" -#include "xfs_inode_item.h" -#include "xfs_alloc.h" -#include "xfs_btree.h" -#include "xfs_bmap.h" -#include "xfs_dir_leaf.h" -#include "xfs_error.h" - -/* - * xfs_dir_leaf.c - * - * Routines to implement leaf blocks of directories as Btrees of hashed names. - */ - -/*======================================================================== - * Function prototypes for the kernel. - *========================================================================*/ - -/* - * Routines used for growing the Btree. - */ -STATIC void xfs_dir_leaf_add_work(xfs_dabuf_t *leaf_buffer, xfs_da_args_t *args, - int insertion_index, - int freemap_index); -STATIC int xfs_dir_leaf_compact(xfs_trans_t *trans, xfs_dabuf_t *leaf_buffer, - int musthave, int justcheck); -STATIC void xfs_dir_leaf_rebalance(xfs_da_state_t *state, - xfs_da_state_blk_t *blk1, - xfs_da_state_blk_t *blk2); -STATIC int xfs_dir_leaf_figure_balance(xfs_da_state_t *state, - xfs_da_state_blk_t *leaf_blk_1, - xfs_da_state_blk_t *leaf_blk_2, - int *number_entries_in_blk1, - int *number_namebytes_in_blk1); - -STATIC int xfs_dir_leaf_create(struct xfs_da_args *args, - xfs_dablk_t which_block, - struct xfs_dabuf **bpp); - -/* - * Utility routines. - */ -STATIC void xfs_dir_leaf_moveents(xfs_dir_leafblock_t *src_leaf, - int src_start, - xfs_dir_leafblock_t *dst_leaf, - int dst_start, int move_count, - xfs_mount_t *mp); - - -/*======================================================================== - * External routines when dirsize < XFS_IFORK_DSIZE(dp). - *========================================================================*/ - - -/* - * Validate a given inode number. - */ -int -xfs_dir_ino_validate(xfs_mount_t *mp, xfs_ino_t ino) -{ - xfs_agblock_t agblkno; - xfs_agino_t agino; - xfs_agnumber_t agno; - int ino_ok; - int ioff; - - agno = XFS_INO_TO_AGNO(mp, ino); - agblkno = XFS_INO_TO_AGBNO(mp, ino); - ioff = XFS_INO_TO_OFFSET(mp, ino); - agino = XFS_OFFBNO_TO_AGINO(mp, agblkno, ioff); - ino_ok = - agno < mp->m_sb.sb_agcount && - agblkno < mp->m_sb.sb_agblocks && - agblkno != 0 && - ioff < (1 << mp->m_sb.sb_inopblog) && - XFS_AGINO_TO_INO(mp, agno, agino) == ino; - if (unlikely(XFS_TEST_ERROR(!ino_ok, mp, XFS_ERRTAG_DIR_INO_VALIDATE, - XFS_RANDOM_DIR_INO_VALIDATE))) { - xfs_fs_cmn_err(CE_WARN, mp, "Invalid inode number 0x%Lx", - (unsigned long long) ino); - XFS_ERROR_REPORT("xfs_dir_ino_validate", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); - } - return 0; -} - -/* - * Create the initial contents of a shortform directory. - */ -int -xfs_dir_shortform_create(xfs_da_args_t *args, xfs_ino_t parent) -{ - xfs_dir_sf_hdr_t *hdr; - xfs_inode_t *dp; - - dp = args->dp; - ASSERT(dp != NULL); - ASSERT(dp->i_d.di_size == 0); - if (dp->i_d.di_format == XFS_DINODE_FMT_EXTENTS) { - dp->i_df.if_flags &= ~XFS_IFEXTENTS; /* just in case */ - dp->i_d.di_format = XFS_DINODE_FMT_LOCAL; - xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE); - dp->i_df.if_flags |= XFS_IFINLINE; - } - ASSERT(dp->i_df.if_flags & XFS_IFINLINE); - ASSERT(dp->i_df.if_bytes == 0); - xfs_idata_realloc(dp, sizeof(*hdr), XFS_DATA_FORK); - hdr = (xfs_dir_sf_hdr_t *)dp->i_df.if_u1.if_data; - XFS_DIR_SF_PUT_DIRINO(&parent, &hdr->parent); - - hdr->count = 0; - dp->i_d.di_size = sizeof(*hdr); - xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA); - return 0; -} - -/* - * Add a name to the shortform directory structure. - * Overflow from the inode has already been checked for. - */ -int -xfs_dir_shortform_addname(xfs_da_args_t *args) -{ - xfs_dir_shortform_t *sf; - xfs_dir_sf_entry_t *sfe; - int i, offset, size; - xfs_inode_t *dp; - - dp = args->dp; - ASSERT(dp->i_df.if_flags & XFS_IFINLINE); - /* - * Catch the case where the conversion from shortform to leaf - * failed part way through. - */ - if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) { - ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); - } - ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); - ASSERT(dp->i_df.if_u1.if_data != NULL); - sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data; - sfe = &sf->list[0]; - for (i = sf->hdr.count-1; i >= 0; i--) { - if (sfe->namelen == args->namelen && - args->name[0] == sfe->name[0] && - memcmp(args->name, sfe->name, args->namelen) == 0) - return XFS_ERROR(EEXIST); - sfe = XFS_DIR_SF_NEXTENTRY(sfe); - } - - offset = (int)((char *)sfe - (char *)sf); - size = XFS_DIR_SF_ENTSIZE_BYNAME(args->namelen); - xfs_idata_realloc(dp, size, XFS_DATA_FORK); - sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data; - sfe = (xfs_dir_sf_entry_t *)((char *)sf + offset); - - XFS_DIR_SF_PUT_DIRINO(&args->inumber, &sfe->inumber); - sfe->namelen = args->namelen; - memcpy(sfe->name, args->name, sfe->namelen); - sf->hdr.count++; - - dp->i_d.di_size += size; - xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA); - - return 0; -} - -/* - * Remove a name from the shortform directory structure. - */ -int -xfs_dir_shortform_removename(xfs_da_args_t *args) -{ - xfs_dir_shortform_t *sf; - xfs_dir_sf_entry_t *sfe; - int base, size = 0, i; - xfs_inode_t *dp; - - dp = args->dp; - ASSERT(dp->i_df.if_flags & XFS_IFINLINE); - /* - * Catch the case where the conversion from shortform to leaf - * failed part way through. - */ - if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) { - ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); - } - ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); - ASSERT(dp->i_df.if_u1.if_data != NULL); - base = sizeof(xfs_dir_sf_hdr_t); - sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data; - sfe = &sf->list[0]; - for (i = sf->hdr.count-1; i >= 0; i--) { - size = XFS_DIR_SF_ENTSIZE_BYENTRY(sfe); - if (sfe->namelen == args->namelen && - sfe->name[0] == args->name[0] && - memcmp(sfe->name, args->name, args->namelen) == 0) - break; - base += size; - sfe = XFS_DIR_SF_NEXTENTRY(sfe); - } - if (i < 0) { - ASSERT(args->oknoent); - return XFS_ERROR(ENOENT); - } - - if ((base + size) != dp->i_d.di_size) { - memmove(&((char *)sf)[base], &((char *)sf)[base+size], - dp->i_d.di_size - (base+size)); - } - sf->hdr.count--; - - xfs_idata_realloc(dp, -size, XFS_DATA_FORK); - dp->i_d.di_size -= size; - xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA); - - return 0; -} - -/* - * Look up a name in a shortform directory structure. - */ -int -xfs_dir_shortform_lookup(xfs_da_args_t *args) -{ - xfs_dir_shortform_t *sf; - xfs_dir_sf_entry_t *sfe; - int i; - xfs_inode_t *dp; - - dp = args->dp; - ASSERT(dp->i_df.if_flags & XFS_IFINLINE); - /* - * Catch the case where the conversion from shortform to leaf - * failed part way through. - */ - if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) { - ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); - } - ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); - ASSERT(dp->i_df.if_u1.if_data != NULL); - sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data; - if (args->namelen == 2 && - args->name[0] == '.' && args->name[1] == '.') { - XFS_DIR_SF_GET_DIRINO(&sf->hdr.parent, &args->inumber); - return(XFS_ERROR(EEXIST)); - } - if (args->namelen == 1 && args->name[0] == '.') { - args->inumber = dp->i_ino; - return(XFS_ERROR(EEXIST)); - } - sfe = &sf->list[0]; - for (i = sf->hdr.count-1; i >= 0; i--) { - if (sfe->namelen == args->namelen && - sfe->name[0] == args->name[0] && - memcmp(args->name, sfe->name, args->namelen) == 0) { - XFS_DIR_SF_GET_DIRINO(&sfe->inumber, &args->inumber); - return(XFS_ERROR(EEXIST)); - } - sfe = XFS_DIR_SF_NEXTENTRY(sfe); - } - ASSERT(args->oknoent); - return(XFS_ERROR(ENOENT)); -} - -/* - * Convert from using the shortform to the leaf. - */ -int -xfs_dir_shortform_to_leaf(xfs_da_args_t *iargs) -{ - xfs_inode_t *dp; - xfs_dir_shortform_t *sf; - xfs_dir_sf_entry_t *sfe; - xfs_da_args_t args; - xfs_ino_t inumber; - char *tmpbuffer; - int retval, i, size; - xfs_dablk_t blkno; - xfs_dabuf_t *bp; - - dp = iargs->dp; - /* - * Catch the case where the conversion from shortform to leaf - * failed part way through. - */ - if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) { - ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); - } - ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); - ASSERT(dp->i_df.if_u1.if_data != NULL); - size = dp->i_df.if_bytes; - tmpbuffer = kmem_alloc(size, KM_SLEEP); - ASSERT(tmpbuffer != NULL); - - memcpy(tmpbuffer, dp->i_df.if_u1.if_data, size); - - sf = (xfs_dir_shortform_t *)tmpbuffer; - XFS_DIR_SF_GET_DIRINO(&sf->hdr.parent, &inumber); - - xfs_idata_realloc(dp, -size, XFS_DATA_FORK); - dp->i_d.di_size = 0; - xfs_trans_log_inode(iargs->trans, dp, XFS_ILOG_CORE); - retval = xfs_da_grow_inode(iargs, &blkno); - if (retval) - goto out; - - ASSERT(blkno == 0); - retval = xfs_dir_leaf_create(iargs, blkno, &bp); - if (retval) - goto out; - xfs_da_buf_done(bp); - - args.name = "."; - args.namelen = 1; - args.hashval = xfs_dir_hash_dot; - args.inumber = dp->i_ino; - args.dp = dp; - args.firstblock = iargs->firstblock; - args.flist = iargs->flist; - args.total = iargs->total; - args.whichfork = XFS_DATA_FORK; - args.trans = iargs->trans; - args.justcheck = 0; - args.addname = args.oknoent = 1; - retval = xfs_dir_leaf_addname(&args); - if (retval) - goto out; - - args.name = ".."; - args.namelen = 2; - args.hashval = xfs_dir_hash_dotdot; - args.inumber = inumber; - retval = xfs_dir_leaf_addname(&args); - if (retval) - goto out; - - sfe = &sf->list[0]; - for (i = 0; i < sf->hdr.count; i++) { - args.name = (char *)(sfe->name); - args.namelen = sfe->namelen; - args.hashval = xfs_da_hashname((char *)(sfe->name), - sfe->namelen); - XFS_DIR_SF_GET_DIRINO(&sfe->inumber, &args.inumber); - retval = xfs_dir_leaf_addname(&args); - if (retval) - goto out; - sfe = XFS_DIR_SF_NEXTENTRY(sfe); - } - retval = 0; - -out: - kmem_free(tmpbuffer, size); - return retval; -} - -STATIC int -xfs_dir_shortform_compare(const void *a, const void *b) -{ - xfs_dir_sf_sort_t *sa, *sb; - - sa = (xfs_dir_sf_sort_t *)a; - sb = (xfs_dir_sf_sort_t *)b; - if (sa->hash < sb->hash) - return -1; - else if (sa->hash > sb->hash) - return 1; - else - return sa->entno - sb->entno; -} - -/* - * Copy out directory entries for getdents(), for shortform directories. - */ -/*ARGSUSED*/ -int -xfs_dir_shortform_getdents(xfs_inode_t *dp, uio_t *uio, int *eofp, - xfs_dirent_t *dbp, xfs_dir_put_t put) -{ - xfs_dir_shortform_t *sf; - xfs_dir_sf_entry_t *sfe; - int retval, i, sbsize, nsbuf, lastresid=0, want_entno; - xfs_mount_t *mp; - xfs_dahash_t cookhash, hash; - xfs_dir_put_args_t p; - xfs_dir_sf_sort_t *sbuf, *sbp; - - mp = dp->i_mount; - sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data; - cookhash = XFS_DA_COOKIE_HASH(mp, uio->uio_offset); - want_entno = XFS_DA_COOKIE_ENTRY(mp, uio->uio_offset); - nsbuf = sf->hdr.count + 2; - sbsize = (nsbuf + 1) * sizeof(*sbuf); - sbp = sbuf = kmem_alloc(sbsize, KM_SLEEP); - - xfs_dir_trace_g_du("sf: start", dp, uio); - - /* - * Collect all the entries into the buffer. - * Entry 0 is . - */ - sbp->entno = 0; - sbp->seqno = 0; - sbp->hash = xfs_dir_hash_dot; - sbp->ino = dp->i_ino; - sbp->name = "."; - sbp->namelen = 1; - sbp++; - - /* - * Entry 1 is .. - */ - sbp->entno = 1; - sbp->seqno = 0; - sbp->hash = xfs_dir_hash_dotdot; - sbp->ino = XFS_GET_DIR_INO8(sf->hdr.parent); - sbp->name = ".."; - sbp->namelen = 2; - sbp++; - - /* - * Scan the directory data for the rest of the entries. - */ - for (i = 0, sfe = &sf->list[0]; i < sf->hdr.count; i++) { - - if (unlikely( - ((char *)sfe < (char *)sf) || - ((char *)sfe >= ((char *)sf + dp->i_df.if_bytes)))) { - xfs_dir_trace_g_du("sf: corrupted", dp, uio); - XFS_CORRUPTION_ERROR("xfs_dir_shortform_getdents", - XFS_ERRLEVEL_LOW, mp, sfe); - kmem_free(sbuf, sbsize); - return XFS_ERROR(EFSCORRUPTED); - } - - sbp->entno = i + 2; - sbp->seqno = 0; - sbp->hash = xfs_da_hashname((char *)sfe->name, sfe->namelen); - sbp->ino = XFS_GET_DIR_INO8(sfe->inumber); - sbp->name = (char *)sfe->name; - sbp->namelen = sfe->namelen; - sfe = XFS_DIR_SF_NEXTENTRY(sfe); - sbp++; - } - - /* - * Sort the entries on hash then entno. - */ - xfs_sort(sbuf, nsbuf, sizeof(*sbuf), xfs_dir_shortform_compare); - /* - * Stuff in last entry. - */ - sbp->entno = nsbuf; - sbp->hash = XFS_DA_MAXHASH; - sbp->seqno = 0; - /* - * Figure out the sequence numbers in case there's a hash duplicate. - */ - for (hash = sbuf->hash, sbp = sbuf + 1; - sbp < &sbuf[nsbuf + 1]; sbp++) { - if (sbp->hash == hash) - sbp->seqno = sbp[-1].seqno + 1; - else - hash = sbp->hash; - } - - /* - * Set up put routine. - */ - p.dbp = dbp; - p.put = put; - p.uio = uio; - - /* - * Find our place. - */ - for (sbp = sbuf; sbp < &sbuf[nsbuf + 1]; sbp++) { - if (sbp->hash > cookhash || - (sbp->hash == cookhash && sbp->seqno >= want_entno)) - break; - } - - /* - * Did we fail to find anything? We stop at the last entry, - * the one we put maxhash into. - */ - if (sbp == &sbuf[nsbuf]) { - kmem_free(sbuf, sbsize); - xfs_dir_trace_g_du("sf: hash beyond end", dp, uio); - uio->uio_offset = XFS_DA_MAKE_COOKIE(mp, 0, 0, XFS_DA_MAXHASH); - *eofp = 1; - return 0; - } - - /* - * Loop putting entries into the user buffer. - */ - while (sbp < &sbuf[nsbuf]) { - /* - * Save the first resid in a run of equal-hashval entries - * so that we can back them out if they don't all fit. - */ - if (sbp->seqno == 0 || sbp == sbuf) - lastresid = uio->uio_resid; - XFS_PUT_COOKIE(p.cook, mp, 0, sbp[1].seqno, sbp[1].hash); - p.ino = sbp->ino; -#if XFS_BIG_INUMS - p.ino += mp->m_inoadd; -#endif - p.name = sbp->name; - p.namelen = sbp->namelen; - retval = p.put(&p); - if (!p.done) { - uio->uio_offset = - XFS_DA_MAKE_COOKIE(mp, 0, 0, sbp->hash); - kmem_free(sbuf, sbsize); - uio->uio_resid = lastresid; - xfs_dir_trace_g_du("sf: E-O-B", dp, uio); - return retval; - } - sbp++; - } - kmem_free(sbuf, sbsize); - uio->uio_offset = p.cook.o; - *eofp = 1; - xfs_dir_trace_g_du("sf: E-O-F", dp, uio); - return 0; -} - -/* - * Look up a name in a shortform directory structure, replace the inode number. - */ -int -xfs_dir_shortform_replace(xfs_da_args_t *args) -{ - xfs_dir_shortform_t *sf; - xfs_dir_sf_entry_t *sfe; - xfs_inode_t *dp; - int i; - - dp = args->dp; - ASSERT(dp->i_df.if_flags & XFS_IFINLINE); - /* - * Catch the case where the conversion from shortform to leaf - * failed part way through. - */ - if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) { - ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); - } - ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); - ASSERT(dp->i_df.if_u1.if_data != NULL); - sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data; - if (args->namelen == 2 && - args->name[0] == '.' && args->name[1] == '.') { - /* XXX - replace assert? */ - XFS_DIR_SF_PUT_DIRINO(&args->inumber, &sf->hdr.parent); - xfs_trans_log_inode(args->trans, dp, XFS_ILOG_DDATA); - return 0; - } - ASSERT(args->namelen != 1 || args->name[0] != '.'); - sfe = &sf->list[0]; - for (i = sf->hdr.count-1; i >= 0; i--) { - if (sfe->namelen == args->namelen && - sfe->name[0] == args->name[0] && - memcmp(args->name, sfe->name, args->namelen) == 0) { - ASSERT(memcmp((char *)&args->inumber, - (char *)&sfe->inumber, sizeof(xfs_ino_t))); - XFS_DIR_SF_PUT_DIRINO(&args->inumber, &sfe->inumber); - xfs_trans_log_inode(args->trans, dp, XFS_ILOG_DDATA); - return 0; - } - sfe = XFS_DIR_SF_NEXTENTRY(sfe); - } - ASSERT(args->oknoent); - return XFS_ERROR(ENOENT); -} - -/* - * Convert a leaf directory to shortform structure - */ -int -xfs_dir_leaf_to_shortform(xfs_da_args_t *iargs) -{ - xfs_dir_leafblock_t *leaf; - xfs_dir_leaf_hdr_t *hdr; - xfs_dir_leaf_entry_t *entry; - xfs_dir_leaf_name_t *namest; - xfs_da_args_t args; - xfs_inode_t *dp; - xfs_ino_t parent = 0; - char *tmpbuffer; - int retval, i; - xfs_dabuf_t *bp; - - dp = iargs->dp; - tmpbuffer = kmem_alloc(XFS_LBSIZE(dp->i_mount), KM_SLEEP); - ASSERT(tmpbuffer != NULL); - - retval = xfs_da_read_buf(iargs->trans, iargs->dp, 0, -1, &bp, - XFS_DATA_FORK); - if (retval) - goto out; - ASSERT(bp != NULL); - memcpy(tmpbuffer, bp->data, XFS_LBSIZE(dp->i_mount)); - leaf = (xfs_dir_leafblock_t *)tmpbuffer; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - memset(bp->data, 0, XFS_LBSIZE(dp->i_mount)); - - /* - * Find and special case the parent inode number - */ - hdr = &leaf->hdr; - entry = &leaf->entries[0]; - for (i = INT_GET(hdr->count, ARCH_CONVERT)-1; i >= 0; entry++, i--) { - namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT)); - if ((entry->namelen == 2) && - (namest->name[0] == '.') && - (namest->name[1] == '.')) { - XFS_DIR_SF_GET_DIRINO(&namest->inumber, &parent); - entry->nameidx = 0; - } else if ((entry->namelen == 1) && (namest->name[0] == '.')) { - entry->nameidx = 0; - } - } - retval = xfs_da_shrink_inode(iargs, 0, bp); - if (retval) - goto out; - retval = xfs_dir_shortform_create(iargs, parent); - if (retval) - goto out; - - /* - * Copy the rest of the filenames - */ - entry = &leaf->entries[0]; - args.dp = dp; - args.firstblock = iargs->firstblock; - args.flist = iargs->flist; - args.total = iargs->total; - args.whichfork = XFS_DATA_FORK; - args.trans = iargs->trans; - args.justcheck = 0; - args.addname = args.oknoent = 1; - for (i = 0; i < INT_GET(hdr->count, ARCH_CONVERT); entry++, i++) { - if (!entry->nameidx) - continue; - namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT)); - args.name = (char *)(namest->name); - args.namelen = entry->namelen; - args.hashval = INT_GET(entry->hashval, ARCH_CONVERT); - XFS_DIR_SF_GET_DIRINO(&namest->inumber, &args.inumber); - xfs_dir_shortform_addname(&args); - } - -out: - kmem_free(tmpbuffer, XFS_LBSIZE(dp->i_mount)); - return retval; -} - -/* - * Convert from using a single leaf to a root node and a leaf. - */ -int -xfs_dir_leaf_to_node(xfs_da_args_t *args) -{ - xfs_dir_leafblock_t *leaf; - xfs_da_intnode_t *node; - xfs_inode_t *dp; - xfs_dabuf_t *bp1, *bp2; - xfs_dablk_t blkno; - int retval; - - dp = args->dp; - retval = xfs_da_grow_inode(args, &blkno); - ASSERT(blkno == 1); - if (retval) - return retval; - retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp1, - XFS_DATA_FORK); - if (retval) - return retval; - ASSERT(bp1 != NULL); - retval = xfs_da_get_buf(args->trans, args->dp, 1, -1, &bp2, - XFS_DATA_FORK); - if (retval) { - xfs_da_buf_done(bp1); - return retval; - } - ASSERT(bp2 != NULL); - memcpy(bp2->data, bp1->data, XFS_LBSIZE(dp->i_mount)); - xfs_da_buf_done(bp1); - xfs_da_log_buf(args->trans, bp2, 0, XFS_LBSIZE(dp->i_mount) - 1); - - /* - * Set up the new root node. - */ - retval = xfs_da_node_create(args, 0, 1, &bp1, XFS_DATA_FORK); - if (retval) { - xfs_da_buf_done(bp2); - return retval; - } - node = bp1->data; - leaf = bp2->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - node->btree[0].hashval = cpu_to_be32( - INT_GET(leaf->entries[ - INT_GET(leaf->hdr.count, ARCH_CONVERT)-1].hashval, ARCH_CONVERT)); - xfs_da_buf_done(bp2); - node->btree[0].before = cpu_to_be32(blkno); - node->hdr.count = cpu_to_be16(1); - xfs_da_log_buf(args->trans, bp1, - XFS_DA_LOGRANGE(node, &node->btree[0], sizeof(node->btree[0]))); - xfs_da_buf_done(bp1); - - return retval; -} - - -/*======================================================================== - * Routines used for growing the Btree. - *========================================================================*/ - -/* - * Create the initial contents of a leaf directory - * or a leaf in a node directory. - */ -STATIC int -xfs_dir_leaf_create(xfs_da_args_t *args, xfs_dablk_t blkno, xfs_dabuf_t **bpp) -{ - xfs_dir_leafblock_t *leaf; - xfs_dir_leaf_hdr_t *hdr; - xfs_inode_t *dp; - xfs_dabuf_t *bp; - int retval; - - dp = args->dp; - ASSERT(dp != NULL); - retval = xfs_da_get_buf(args->trans, dp, blkno, -1, &bp, XFS_DATA_FORK); - if (retval) - return retval; - ASSERT(bp != NULL); - leaf = bp->data; - memset((char *)leaf, 0, XFS_LBSIZE(dp->i_mount)); - hdr = &leaf->hdr; - hdr->info.magic = cpu_to_be16(XFS_DIR_LEAF_MAGIC); - INT_SET(hdr->firstused, ARCH_CONVERT, XFS_LBSIZE(dp->i_mount)); - if (!hdr->firstused) - INT_SET(hdr->firstused, ARCH_CONVERT, XFS_LBSIZE(dp->i_mount) - 1); - INT_SET(hdr->freemap[0].base, ARCH_CONVERT, sizeof(xfs_dir_leaf_hdr_t)); - INT_SET(hdr->freemap[0].size, ARCH_CONVERT, INT_GET(hdr->firstused, ARCH_CONVERT) - INT_GET(hdr->freemap[0].base, ARCH_CONVERT)); - - xfs_da_log_buf(args->trans, bp, 0, XFS_LBSIZE(dp->i_mount) - 1); - - *bpp = bp; - return 0; -} - -/* - * Split the leaf node, rebalance, then add the new entry. - */ -int -xfs_dir_leaf_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk, - xfs_da_state_blk_t *newblk) -{ - xfs_dablk_t blkno; - xfs_da_args_t *args; - int error; - - /* - * Allocate space for a new leaf node. - */ - args = state->args; - ASSERT(args != NULL); - ASSERT(oldblk->magic == XFS_DIR_LEAF_MAGIC); - error = xfs_da_grow_inode(args, &blkno); - if (error) - return error; - error = xfs_dir_leaf_create(args, blkno, &newblk->bp); - if (error) - return error; - newblk->blkno = blkno; - newblk->magic = XFS_DIR_LEAF_MAGIC; - - /* - * Rebalance the entries across the two leaves. - */ - xfs_dir_leaf_rebalance(state, oldblk, newblk); - error = xfs_da_blk_link(state, oldblk, newblk); - if (error) - return error; - - /* - * Insert the new entry in the correct block. - */ - if (state->inleaf) { - error = xfs_dir_leaf_add(oldblk->bp, args, oldblk->index); - } else { - error = xfs_dir_leaf_add(newblk->bp, args, newblk->index); - } - - /* - * Update last hashval in each block since we added the name. - */ - oldblk->hashval = xfs_dir_leaf_lasthash(oldblk->bp, NULL); - newblk->hashval = xfs_dir_leaf_lasthash(newblk->bp, NULL); - return error; -} - -/* - * Add a name to the leaf directory structure. - * - * Must take into account fragmented leaves and leaves where spacemap has - * lost some freespace information (ie: holes). - */ -int -xfs_dir_leaf_add(xfs_dabuf_t *bp, xfs_da_args_t *args, int index) -{ - xfs_dir_leafblock_t *leaf; - xfs_dir_leaf_hdr_t *hdr; - xfs_dir_leaf_map_t *map; - int tablesize, entsize, sum, i, tmp, error; - - leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - ASSERT((index >= 0) && (index <= INT_GET(leaf->hdr.count, ARCH_CONVERT))); - hdr = &leaf->hdr; - entsize = XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen); - - /* - * Search through freemap for first-fit on new name length. - * (may need to figure in size of entry struct too) - */ - tablesize = (INT_GET(hdr->count, ARCH_CONVERT) + 1) * (uint)sizeof(xfs_dir_leaf_entry_t) - + (uint)sizeof(xfs_dir_leaf_hdr_t); - map = &hdr->freemap[XFS_DIR_LEAF_MAPSIZE-1]; - for (sum = 0, i = XFS_DIR_LEAF_MAPSIZE-1; i >= 0; map--, i--) { - if (tablesize > INT_GET(hdr->firstused, ARCH_CONVERT)) { - sum += INT_GET(map->size, ARCH_CONVERT); - continue; - } - if (!map->size) - continue; /* no space in this map */ - tmp = entsize; - if (INT_GET(map->base, ARCH_CONVERT) < INT_GET(hdr->firstused, ARCH_CONVERT)) - tmp += (uint)sizeof(xfs_dir_leaf_entry_t); - if (INT_GET(map->size, ARCH_CONVERT) >= tmp) { - if (!args->justcheck) - xfs_dir_leaf_add_work(bp, args, index, i); - return 0; - } - sum += INT_GET(map->size, ARCH_CONVERT); - } - - /* - * If there are no holes in the address space of the block, - * and we don't have enough freespace, then compaction will do us - * no good and we should just give up. - */ - if (!hdr->holes && (sum < entsize)) - return XFS_ERROR(ENOSPC); - - /* - * Compact the entries to coalesce free space. - * Pass the justcheck flag so the checking pass can return - * an error, without changing anything, if it won't fit. - */ - error = xfs_dir_leaf_compact(args->trans, bp, - args->total == 0 ? - entsize + - (uint)sizeof(xfs_dir_leaf_entry_t) : 0, - args->justcheck); - if (error) - return error; - /* - * After compaction, the block is guaranteed to have only one - * free region, in freemap[0]. If it is not big enough, give up. - */ - if (INT_GET(hdr->freemap[0].size, ARCH_CONVERT) < - (entsize + (uint)sizeof(xfs_dir_leaf_entry_t))) - return XFS_ERROR(ENOSPC); - - if (!args->justcheck) - xfs_dir_leaf_add_work(bp, args, index, 0); - return 0; -} - -/* - * Add a name to a leaf directory structure. - */ -STATIC void -xfs_dir_leaf_add_work(xfs_dabuf_t *bp, xfs_da_args_t *args, int index, - int mapindex) -{ - xfs_dir_leafblock_t *leaf; - xfs_dir_leaf_hdr_t *hdr; - xfs_dir_leaf_entry_t *entry; - xfs_dir_leaf_name_t *namest; - xfs_dir_leaf_map_t *map; - /* REFERENCED */ - xfs_mount_t *mp; - int tmp, i; - - leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - hdr = &leaf->hdr; - ASSERT((mapindex >= 0) && (mapindex < XFS_DIR_LEAF_MAPSIZE)); - ASSERT((index >= 0) && (index <= INT_GET(hdr->count, ARCH_CONVERT))); - - /* - * Force open some space in the entry array and fill it in. - */ - entry = &leaf->entries[index]; - if (index < INT_GET(hdr->count, ARCH_CONVERT)) { - tmp = INT_GET(hdr->count, ARCH_CONVERT) - index; - tmp *= (uint)sizeof(xfs_dir_leaf_entry_t); - memmove(entry + 1, entry, tmp); - xfs_da_log_buf(args->trans, bp, - XFS_DA_LOGRANGE(leaf, entry, tmp + (uint)sizeof(*entry))); - } - INT_MOD(hdr->count, ARCH_CONVERT, +1); - - /* - * Allocate space for the new string (at the end of the run). - */ - map = &hdr->freemap[mapindex]; - mp = args->trans->t_mountp; - ASSERT(INT_GET(map->base, ARCH_CONVERT) < XFS_LBSIZE(mp)); - ASSERT(INT_GET(map->size, ARCH_CONVERT) >= XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen)); - ASSERT(INT_GET(map->size, ARCH_CONVERT) < XFS_LBSIZE(mp)); - INT_MOD(map->size, ARCH_CONVERT, -(XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen))); - INT_SET(entry->nameidx, ARCH_CONVERT, INT_GET(map->base, ARCH_CONVERT) + INT_GET(map->size, ARCH_CONVERT)); - INT_SET(entry->hashval, ARCH_CONVERT, args->hashval); - entry->namelen = args->namelen; - xfs_da_log_buf(args->trans, bp, - XFS_DA_LOGRANGE(leaf, entry, sizeof(*entry))); - - /* - * Copy the string and inode number into the new space. - */ - namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT)); - XFS_DIR_SF_PUT_DIRINO(&args->inumber, &namest->inumber); - memcpy(namest->name, args->name, args->namelen); - xfs_da_log_buf(args->trans, bp, - XFS_DA_LOGRANGE(leaf, namest, XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry))); - - /* - * Update the control info for this leaf node - */ - if (INT_GET(entry->nameidx, ARCH_CONVERT) < INT_GET(hdr->firstused, ARCH_CONVERT)) - INT_COPY(hdr->firstused, entry->nameidx, ARCH_CONVERT); - ASSERT(INT_GET(hdr->firstused, ARCH_CONVERT) >= ((INT_GET(hdr->count, ARCH_CONVERT)*sizeof(*entry))+sizeof(*hdr))); - tmp = (INT_GET(hdr->count, ARCH_CONVERT)-1) * (uint)sizeof(xfs_dir_leaf_entry_t) - + (uint)sizeof(xfs_dir_leaf_hdr_t); - map = &hdr->freemap[0]; - for (i = 0; i < XFS_DIR_LEAF_MAPSIZE; map++, i++) { - if (INT_GET(map->base, ARCH_CONVERT) == tmp) { - INT_MOD(map->base, ARCH_CONVERT, (uint)sizeof(xfs_dir_leaf_entry_t)); - INT_MOD(map->size, ARCH_CONVERT, -((uint)sizeof(xfs_dir_leaf_entry_t))); - } - } - INT_MOD(hdr->namebytes, ARCH_CONVERT, args->namelen); - xfs_da_log_buf(args->trans, bp, - XFS_DA_LOGRANGE(leaf, hdr, sizeof(*hdr))); -} - -/* - * Garbage collect a leaf directory block by copying it to a new buffer. - */ -STATIC int -xfs_dir_leaf_compact(xfs_trans_t *trans, xfs_dabuf_t *bp, int musthave, - int justcheck) -{ - xfs_dir_leafblock_t *leaf_s, *leaf_d; - xfs_dir_leaf_hdr_t *hdr_s, *hdr_d; - xfs_mount_t *mp; - char *tmpbuffer; - char *tmpbuffer2=NULL; - int rval; - int lbsize; - - mp = trans->t_mountp; - lbsize = XFS_LBSIZE(mp); - tmpbuffer = kmem_alloc(lbsize, KM_SLEEP); - ASSERT(tmpbuffer != NULL); - memcpy(tmpbuffer, bp->data, lbsize); - - /* - * Make a second copy in case xfs_dir_leaf_moveents() - * below destroys the original. - */ - if (musthave || justcheck) { - tmpbuffer2 = kmem_alloc(lbsize, KM_SLEEP); - memcpy(tmpbuffer2, bp->data, lbsize); - } - memset(bp->data, 0, lbsize); - - /* - * Copy basic information - */ - leaf_s = (xfs_dir_leafblock_t *)tmpbuffer; - leaf_d = bp->data; - hdr_s = &leaf_s->hdr; - hdr_d = &leaf_d->hdr; - hdr_d->info = hdr_s->info; /* struct copy */ - INT_SET(hdr_d->firstused, ARCH_CONVERT, lbsize); - if (!hdr_d->firstused) - INT_SET(hdr_d->firstused, ARCH_CONVERT, lbsize - 1); - hdr_d->namebytes = 0; - hdr_d->count = 0; - hdr_d->holes = 0; - INT_SET(hdr_d->freemap[0].base, ARCH_CONVERT, sizeof(xfs_dir_leaf_hdr_t)); - INT_SET(hdr_d->freemap[0].size, ARCH_CONVERT, INT_GET(hdr_d->firstused, ARCH_CONVERT) - INT_GET(hdr_d->freemap[0].base, ARCH_CONVERT)); - - /* - * Copy all entry's in the same (sorted) order, - * but allocate filenames packed and in sequence. - * This changes the source (leaf_s) as well. - */ - xfs_dir_leaf_moveents(leaf_s, 0, leaf_d, 0, (int)INT_GET(hdr_s->count, ARCH_CONVERT), mp); - - if (musthave && INT_GET(hdr_d->freemap[0].size, ARCH_CONVERT) < musthave) - rval = XFS_ERROR(ENOSPC); - else - rval = 0; - - if (justcheck || rval == ENOSPC) { - ASSERT(tmpbuffer2); - memcpy(bp->data, tmpbuffer2, lbsize); - } else { - xfs_da_log_buf(trans, bp, 0, lbsize - 1); - } - - kmem_free(tmpbuffer, lbsize); - if (musthave || justcheck) - kmem_free(tmpbuffer2, lbsize); - return rval; -} - -/* - * Redistribute the directory entries between two leaf nodes, - * taking into account the size of the new entry. - * - * NOTE: if new block is empty, then it will get the upper half of old block. - */ -STATIC void -xfs_dir_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, - xfs_da_state_blk_t *blk2) -{ - xfs_da_state_blk_t *tmp_blk; - xfs_dir_leafblock_t *leaf1, *leaf2; - xfs_dir_leaf_hdr_t *hdr1, *hdr2; - int count, totallen, max, space, swap; - - /* - * Set up environment. - */ - ASSERT(blk1->magic == XFS_DIR_LEAF_MAGIC); - ASSERT(blk2->magic == XFS_DIR_LEAF_MAGIC); - leaf1 = blk1->bp->data; - leaf2 = blk2->bp->data; - ASSERT(be16_to_cpu(leaf1->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - ASSERT(be16_to_cpu(leaf2->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - - /* - * Check ordering of blocks, reverse if it makes things simpler. - */ - swap = 0; - if (xfs_dir_leaf_order(blk1->bp, blk2->bp)) { - tmp_blk = blk1; - blk1 = blk2; - blk2 = tmp_blk; - leaf1 = blk1->bp->data; - leaf2 = blk2->bp->data; - swap = 1; - } - hdr1 = &leaf1->hdr; - hdr2 = &leaf2->hdr; - - /* - * Examine entries until we reduce the absolute difference in - * byte usage between the two blocks to a minimum. Then get - * the direction to copy and the number of elements to move. - */ - state->inleaf = xfs_dir_leaf_figure_balance(state, blk1, blk2, - &count, &totallen); - if (swap) - state->inleaf = !state->inleaf; - - /* - * Move any entries required from leaf to leaf: - */ - if (count < INT_GET(hdr1->count, ARCH_CONVERT)) { - /* - * Figure the total bytes to be added to the destination leaf. - */ - count = INT_GET(hdr1->count, ARCH_CONVERT) - count; /* number entries being moved */ - space = INT_GET(hdr1->namebytes, ARCH_CONVERT) - totallen; - space += count * ((uint)sizeof(xfs_dir_leaf_name_t)-1); - space += count * (uint)sizeof(xfs_dir_leaf_entry_t); - - /* - * leaf2 is the destination, compact it if it looks tight. - */ - max = INT_GET(hdr2->firstused, ARCH_CONVERT) - (uint)sizeof(xfs_dir_leaf_hdr_t); - max -= INT_GET(hdr2->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t); - if (space > max) { - xfs_dir_leaf_compact(state->args->trans, blk2->bp, - 0, 0); - } - - /* - * Move high entries from leaf1 to low end of leaf2. - */ - xfs_dir_leaf_moveents(leaf1, INT_GET(hdr1->count, ARCH_CONVERT) - count, - leaf2, 0, count, state->mp); - - xfs_da_log_buf(state->args->trans, blk1->bp, 0, - state->blocksize-1); - xfs_da_log_buf(state->args->trans, blk2->bp, 0, - state->blocksize-1); - - } else if (count > INT_GET(hdr1->count, ARCH_CONVERT)) { - /* - * Figure the total bytes to be added to the destination leaf. - */ - count -= INT_GET(hdr1->count, ARCH_CONVERT); /* number entries being moved */ - space = totallen - INT_GET(hdr1->namebytes, ARCH_CONVERT); - space += count * ((uint)sizeof(xfs_dir_leaf_name_t)-1); - space += count * (uint)sizeof(xfs_dir_leaf_entry_t); - - /* - * leaf1 is the destination, compact it if it looks tight. - */ - max = INT_GET(hdr1->firstused, ARCH_CONVERT) - (uint)sizeof(xfs_dir_leaf_hdr_t); - max -= INT_GET(hdr1->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t); - if (space > max) { - xfs_dir_leaf_compact(state->args->trans, blk1->bp, - 0, 0); - } - - /* - * Move low entries from leaf2 to high end of leaf1. - */ - xfs_dir_leaf_moveents(leaf2, 0, leaf1, (int)INT_GET(hdr1->count, ARCH_CONVERT), - count, state->mp); - - xfs_da_log_buf(state->args->trans, blk1->bp, 0, - state->blocksize-1); - xfs_da_log_buf(state->args->trans, blk2->bp, 0, - state->blocksize-1); - } - - /* - * Copy out last hashval in each block for B-tree code. - */ - blk1->hashval = INT_GET(leaf1->entries[ INT_GET(leaf1->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT); - blk2->hashval = INT_GET(leaf2->entries[ INT_GET(leaf2->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT); - - /* - * Adjust the expected index for insertion. - * GROT: this doesn't work unless blk2 was originally empty. - */ - if (!state->inleaf) { - blk2->index = blk1->index - INT_GET(leaf1->hdr.count, ARCH_CONVERT); - } -} - -/* - * Examine entries until we reduce the absolute difference in - * byte usage between the two blocks to a minimum. - * GROT: Is this really necessary? With other than a 512 byte blocksize, - * GROT: there will always be enough room in either block for a new entry. - * GROT: Do a double-split for this case? - */ -STATIC int -xfs_dir_leaf_figure_balance(xfs_da_state_t *state, - xfs_da_state_blk_t *blk1, - xfs_da_state_blk_t *blk2, - int *countarg, int *namebytesarg) -{ - xfs_dir_leafblock_t *leaf1, *leaf2; - xfs_dir_leaf_hdr_t *hdr1, *hdr2; - xfs_dir_leaf_entry_t *entry; - int count, max, totallen, half; - int lastdelta, foundit, tmp; - - /* - * Set up environment. - */ - leaf1 = blk1->bp->data; - leaf2 = blk2->bp->data; - hdr1 = &leaf1->hdr; - hdr2 = &leaf2->hdr; - foundit = 0; - totallen = 0; - - /* - * Examine entries until we reduce the absolute difference in - * byte usage between the two blocks to a minimum. - */ - max = INT_GET(hdr1->count, ARCH_CONVERT) + INT_GET(hdr2->count, ARCH_CONVERT); - half = (max+1) * (uint)(sizeof(*entry)+sizeof(xfs_dir_leaf_entry_t)-1); - half += INT_GET(hdr1->namebytes, ARCH_CONVERT) + INT_GET(hdr2->namebytes, ARCH_CONVERT) + state->args->namelen; - half /= 2; - lastdelta = state->blocksize; - entry = &leaf1->entries[0]; - for (count = 0; count < max; entry++, count++) { - -#define XFS_DIR_ABS(A) (((A) < 0) ? -(A) : (A)) - /* - * The new entry is in the first block, account for it. - */ - if (count == blk1->index) { - tmp = totallen + (uint)sizeof(*entry) - + XFS_DIR_LEAF_ENTSIZE_BYNAME(state->args->namelen); - if (XFS_DIR_ABS(half - tmp) > lastdelta) - break; - lastdelta = XFS_DIR_ABS(half - tmp); - totallen = tmp; - foundit = 1; - } - - /* - * Wrap around into the second block if necessary. - */ - if (count == INT_GET(hdr1->count, ARCH_CONVERT)) { - leaf1 = leaf2; - entry = &leaf1->entries[0]; - } - - /* - * Figure out if next leaf entry would be too much. - */ - tmp = totallen + (uint)sizeof(*entry) - + XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry); - if (XFS_DIR_ABS(half - tmp) > lastdelta) - break; - lastdelta = XFS_DIR_ABS(half - tmp); - totallen = tmp; -#undef XFS_DIR_ABS - } - - /* - * Calculate the number of namebytes that will end up in lower block. - * If new entry not in lower block, fix up the count. - */ - totallen -= - count * (uint)(sizeof(*entry)+sizeof(xfs_dir_leaf_entry_t)-1); - if (foundit) { - totallen -= (sizeof(*entry)+sizeof(xfs_dir_leaf_entry_t)-1) + - state->args->namelen; - } - - *countarg = count; - *namebytesarg = totallen; - return foundit; -} - -/*======================================================================== - * Routines used for shrinking the Btree. - *========================================================================*/ - -/* - * Check a leaf block and its neighbors to see if the block should be - * collapsed into one or the other neighbor. Always keep the block - * with the smaller block number. - * If the current block is over 50% full, don't try to join it, return 0. - * If the block is empty, fill in the state structure and return 2. - * If it can be collapsed, fill in the state structure and return 1. - * If nothing can be done, return 0. - */ -int -xfs_dir_leaf_toosmall(xfs_da_state_t *state, int *action) -{ - xfs_dir_leafblock_t *leaf; - xfs_da_state_blk_t *blk; - xfs_da_blkinfo_t *info; - int count, bytes, forward, error, retval, i; - xfs_dablk_t blkno; - xfs_dabuf_t *bp; - - /* - * Check for the degenerate case of the block being over 50% full. - * If so, it's not worth even looking to see if we might be able - * to coalesce with a sibling. - */ - blk = &state->path.blk[ state->path.active-1 ]; - info = blk->bp->data; - ASSERT(be16_to_cpu(info->magic) == XFS_DIR_LEAF_MAGIC); - leaf = (xfs_dir_leafblock_t *)info; - count = INT_GET(leaf->hdr.count, ARCH_CONVERT); - bytes = (uint)sizeof(xfs_dir_leaf_hdr_t) + - count * (uint)sizeof(xfs_dir_leaf_entry_t) + - count * ((uint)sizeof(xfs_dir_leaf_name_t)-1) + - INT_GET(leaf->hdr.namebytes, ARCH_CONVERT); - if (bytes > (state->blocksize >> 1)) { - *action = 0; /* blk over 50%, don't try to join */ - return 0; - } - - /* - * Check for the degenerate case of the block being empty. - * If the block is empty, we'll simply delete it, no need to - * coalesce it with a sibling block. We choose (arbitrarily) - * to merge with the forward block unless it is NULL. - */ - if (count == 0) { - /* - * Make altpath point to the block we want to keep and - * path point to the block we want to drop (this one). - */ - forward = (info->forw != 0); - memcpy(&state->altpath, &state->path, sizeof(state->path)); - error = xfs_da_path_shift(state, &state->altpath, forward, - 0, &retval); - if (error) - return error; - if (retval) { - *action = 0; - } else { - *action = 2; - } - return 0; - } - - /* - * Examine each sibling block to see if we can coalesce with - * at least 25% free space to spare. We need to figure out - * whether to merge with the forward or the backward block. - * We prefer coalescing with the lower numbered sibling so as - * to shrink a directory over time. - */ - forward = (be32_to_cpu(info->forw) < be32_to_cpu(info->back)); /* start with smaller blk num */ - for (i = 0; i < 2; forward = !forward, i++) { - if (forward) - blkno = be32_to_cpu(info->forw); - else - blkno = be32_to_cpu(info->back); - if (blkno == 0) - continue; - error = xfs_da_read_buf(state->args->trans, state->args->dp, - blkno, -1, &bp, - XFS_DATA_FORK); - if (error) - return error; - ASSERT(bp != NULL); - - leaf = (xfs_dir_leafblock_t *)info; - count = INT_GET(leaf->hdr.count, ARCH_CONVERT); - bytes = state->blocksize - (state->blocksize>>2); - bytes -= INT_GET(leaf->hdr.namebytes, ARCH_CONVERT); - leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - count += INT_GET(leaf->hdr.count, ARCH_CONVERT); - bytes -= INT_GET(leaf->hdr.namebytes, ARCH_CONVERT); - bytes -= count * ((uint)sizeof(xfs_dir_leaf_name_t) - 1); - bytes -= count * (uint)sizeof(xfs_dir_leaf_entry_t); - bytes -= (uint)sizeof(xfs_dir_leaf_hdr_t); - if (bytes >= 0) - break; /* fits with at least 25% to spare */ - - xfs_da_brelse(state->args->trans, bp); - } - if (i >= 2) { - *action = 0; - return 0; - } - xfs_da_buf_done(bp); - - /* - * Make altpath point to the block we want to keep (the lower - * numbered block) and path point to the block we want to drop. - */ - memcpy(&state->altpath, &state->path, sizeof(state->path)); - if (blkno < blk->blkno) { - error = xfs_da_path_shift(state, &state->altpath, forward, - 0, &retval); - } else { - error = xfs_da_path_shift(state, &state->path, forward, - 0, &retval); - } - if (error) - return error; - if (retval) { - *action = 0; - } else { - *action = 1; - } - return 0; -} - -/* - * Remove a name from the leaf directory structure. - * - * Return 1 if leaf is less than 37% full, 0 if >= 37% full. - * If two leaves are 37% full, when combined they will leave 25% free. - */ -int -xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index) -{ - xfs_dir_leafblock_t *leaf; - xfs_dir_leaf_hdr_t *hdr; - xfs_dir_leaf_map_t *map; - xfs_dir_leaf_entry_t *entry; - xfs_dir_leaf_name_t *namest; - int before, after, smallest, entsize; - int tablesize, tmp, i; - xfs_mount_t *mp; - - leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - hdr = &leaf->hdr; - mp = trans->t_mountp; - ASSERT((INT_GET(hdr->count, ARCH_CONVERT) > 0) && (INT_GET(hdr->count, ARCH_CONVERT) < (XFS_LBSIZE(mp)/8))); - ASSERT((index >= 0) && (index < INT_GET(hdr->count, ARCH_CONVERT))); - ASSERT(INT_GET(hdr->firstused, ARCH_CONVERT) >= ((INT_GET(hdr->count, ARCH_CONVERT)*sizeof(*entry))+sizeof(*hdr))); - entry = &leaf->entries[index]; - ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) >= INT_GET(hdr->firstused, ARCH_CONVERT)); - ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) < XFS_LBSIZE(mp)); - - /* - * Scan through free region table: - * check for adjacency of free'd entry with an existing one, - * find smallest free region in case we need to replace it, - * adjust any map that borders the entry table, - */ - tablesize = INT_GET(hdr->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t) - + (uint)sizeof(xfs_dir_leaf_hdr_t); - map = &hdr->freemap[0]; - tmp = INT_GET(map->size, ARCH_CONVERT); - before = after = -1; - smallest = XFS_DIR_LEAF_MAPSIZE - 1; - entsize = XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry); - for (i = 0; i < XFS_DIR_LEAF_MAPSIZE; map++, i++) { - ASSERT(INT_GET(map->base, ARCH_CONVERT) < XFS_LBSIZE(mp)); - ASSERT(INT_GET(map->size, ARCH_CONVERT) < XFS_LBSIZE(mp)); - if (INT_GET(map->base, ARCH_CONVERT) == tablesize) { - INT_MOD(map->base, ARCH_CONVERT, -((uint)sizeof(xfs_dir_leaf_entry_t))); - INT_MOD(map->size, ARCH_CONVERT, (uint)sizeof(xfs_dir_leaf_entry_t)); - } - - if ((INT_GET(map->base, ARCH_CONVERT) + INT_GET(map->size, ARCH_CONVERT)) == INT_GET(entry->nameidx, ARCH_CONVERT)) { - before = i; - } else if (INT_GET(map->base, ARCH_CONVERT) == (INT_GET(entry->nameidx, ARCH_CONVERT) + entsize)) { - after = i; - } else if (INT_GET(map->size, ARCH_CONVERT) < tmp) { - tmp = INT_GET(map->size, ARCH_CONVERT); - smallest = i; - } - } - - /* - * Coalesce adjacent freemap regions, - * or replace the smallest region. - */ - if ((before >= 0) || (after >= 0)) { - if ((before >= 0) && (after >= 0)) { - map = &hdr->freemap[before]; - INT_MOD(map->size, ARCH_CONVERT, entsize); - INT_MOD(map->size, ARCH_CONVERT, INT_GET(hdr->freemap[after].size, ARCH_CONVERT)); - hdr->freemap[after].base = 0; - hdr->freemap[after].size = 0; - } else if (before >= 0) { - map = &hdr->freemap[before]; - INT_MOD(map->size, ARCH_CONVERT, entsize); - } else { - map = &hdr->freemap[after]; - INT_COPY(map->base, entry->nameidx, ARCH_CONVERT); - INT_MOD(map->size, ARCH_CONVERT, entsize); - } - } else { - /* - * Replace smallest region (if it is smaller than free'd entry) - */ - map = &hdr->freemap[smallest]; - if (INT_GET(map->size, ARCH_CONVERT) < entsize) { - INT_COPY(map->base, entry->nameidx, ARCH_CONVERT); - INT_SET(map->size, ARCH_CONVERT, entsize); - } - } - - /* - * Did we remove the first entry? - */ - if (INT_GET(entry->nameidx, ARCH_CONVERT) == INT_GET(hdr->firstused, ARCH_CONVERT)) - smallest = 1; - else - smallest = 0; - - /* - * Compress the remaining entries and zero out the removed stuff. - */ - namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT)); - memset((char *)namest, 0, entsize); - xfs_da_log_buf(trans, bp, XFS_DA_LOGRANGE(leaf, namest, entsize)); - - INT_MOD(hdr->namebytes, ARCH_CONVERT, -(entry->namelen)); - tmp = (INT_GET(hdr->count, ARCH_CONVERT) - index) * (uint)sizeof(xfs_dir_leaf_entry_t); - memmove(entry, entry + 1, tmp); - INT_MOD(hdr->count, ARCH_CONVERT, -1); - xfs_da_log_buf(trans, bp, - XFS_DA_LOGRANGE(leaf, entry, tmp + (uint)sizeof(*entry))); - entry = &leaf->entries[INT_GET(hdr->count, ARCH_CONVERT)]; - memset((char *)entry, 0, sizeof(xfs_dir_leaf_entry_t)); - - /* - * If we removed the first entry, re-find the first used byte - * in the name area. Note that if the entry was the "firstused", - * then we don't have a "hole" in our block resulting from - * removing the name. - */ - if (smallest) { - tmp = XFS_LBSIZE(mp); - entry = &leaf->entries[0]; - for (i = INT_GET(hdr->count, ARCH_CONVERT)-1; i >= 0; entry++, i--) { - ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) >= INT_GET(hdr->firstused, ARCH_CONVERT)); - ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) < XFS_LBSIZE(mp)); - if (INT_GET(entry->nameidx, ARCH_CONVERT) < tmp) - tmp = INT_GET(entry->nameidx, ARCH_CONVERT); - } - INT_SET(hdr->firstused, ARCH_CONVERT, tmp); - if (!hdr->firstused) - INT_SET(hdr->firstused, ARCH_CONVERT, tmp - 1); - } else { - hdr->holes = 1; /* mark as needing compaction */ - } - - xfs_da_log_buf(trans, bp, XFS_DA_LOGRANGE(leaf, hdr, sizeof(*hdr))); - - /* - * Check if leaf is less than 50% full, caller may want to - * "join" the leaf with a sibling if so. - */ - tmp = (uint)sizeof(xfs_dir_leaf_hdr_t); - tmp += INT_GET(leaf->hdr.count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t); - tmp += INT_GET(leaf->hdr.count, ARCH_CONVERT) * ((uint)sizeof(xfs_dir_leaf_name_t) - 1); - tmp += INT_GET(leaf->hdr.namebytes, ARCH_CONVERT); - if (tmp < mp->m_dir_magicpct) - return 1; /* leaf is < 37% full */ - return 0; -} - -/* - * Move all the directory entries from drop_leaf into save_leaf. - */ -void -xfs_dir_leaf_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk, - xfs_da_state_blk_t *save_blk) -{ - xfs_dir_leafblock_t *drop_leaf, *save_leaf, *tmp_leaf; - xfs_dir_leaf_hdr_t *drop_hdr, *save_hdr, *tmp_hdr; - xfs_mount_t *mp; - char *tmpbuffer; - - /* - * Set up environment. - */ - mp = state->mp; - ASSERT(drop_blk->magic == XFS_DIR_LEAF_MAGIC); - ASSERT(save_blk->magic == XFS_DIR_LEAF_MAGIC); - drop_leaf = drop_blk->bp->data; - save_leaf = save_blk->bp->data; - ASSERT(be16_to_cpu(drop_leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - ASSERT(be16_to_cpu(save_leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - drop_hdr = &drop_leaf->hdr; - save_hdr = &save_leaf->hdr; - - /* - * Save last hashval from dying block for later Btree fixup. - */ - drop_blk->hashval = INT_GET(drop_leaf->entries[ drop_leaf->hdr.count-1 ].hashval, ARCH_CONVERT); - - /* - * Check if we need a temp buffer, or can we do it in place. - * Note that we don't check "leaf" for holes because we will - * always be dropping it, toosmall() decided that for us already. - */ - if (save_hdr->holes == 0) { - /* - * dest leaf has no holes, so we add there. May need - * to make some room in the entry array. - */ - if (xfs_dir_leaf_order(save_blk->bp, drop_blk->bp)) { - xfs_dir_leaf_moveents(drop_leaf, 0, save_leaf, 0, - (int)INT_GET(drop_hdr->count, ARCH_CONVERT), mp); - } else { - xfs_dir_leaf_moveents(drop_leaf, 0, - save_leaf, INT_GET(save_hdr->count, ARCH_CONVERT), - (int)INT_GET(drop_hdr->count, ARCH_CONVERT), mp); - } - } else { - /* - * Destination has holes, so we make a temporary copy - * of the leaf and add them both to that. - */ - tmpbuffer = kmem_alloc(state->blocksize, KM_SLEEP); - ASSERT(tmpbuffer != NULL); - memset(tmpbuffer, 0, state->blocksize); - tmp_leaf = (xfs_dir_leafblock_t *)tmpbuffer; - tmp_hdr = &tmp_leaf->hdr; - tmp_hdr->info = save_hdr->info; /* struct copy */ - tmp_hdr->count = 0; - INT_SET(tmp_hdr->firstused, ARCH_CONVERT, state->blocksize); - if (!tmp_hdr->firstused) - INT_SET(tmp_hdr->firstused, ARCH_CONVERT, state->blocksize - 1); - tmp_hdr->namebytes = 0; - if (xfs_dir_leaf_order(save_blk->bp, drop_blk->bp)) { - xfs_dir_leaf_moveents(drop_leaf, 0, tmp_leaf, 0, - (int)INT_GET(drop_hdr->count, ARCH_CONVERT), mp); - xfs_dir_leaf_moveents(save_leaf, 0, - tmp_leaf, INT_GET(tmp_leaf->hdr.count, ARCH_CONVERT), - (int)INT_GET(save_hdr->count, ARCH_CONVERT), mp); - } else { - xfs_dir_leaf_moveents(save_leaf, 0, tmp_leaf, 0, - (int)INT_GET(save_hdr->count, ARCH_CONVERT), mp); - xfs_dir_leaf_moveents(drop_leaf, 0, - tmp_leaf, INT_GET(tmp_leaf->hdr.count, ARCH_CONVERT), - (int)INT_GET(drop_hdr->count, ARCH_CONVERT), mp); - } - memcpy(save_leaf, tmp_leaf, state->blocksize); - kmem_free(tmpbuffer, state->blocksize); - } - - xfs_da_log_buf(state->args->trans, save_blk->bp, 0, - state->blocksize - 1); - - /* - * Copy out last hashval in each block for B-tree code. - */ - save_blk->hashval = INT_GET(save_leaf->entries[ INT_GET(save_leaf->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT); -} - -/*======================================================================== - * Routines used for finding things in the Btree. - *========================================================================*/ - -/* - * Look up a name in a leaf directory structure. - * This is the internal routine, it uses the caller's buffer. - * - * Note that duplicate keys are allowed, but only check within the - * current leaf node. The Btree code must check in adjacent leaf nodes. - * - * Return in *index the index into the entry[] array of either the found - * entry, or where the entry should have been (insert before that entry). - * - * Don't change the args->inumber unless we find the filename. - */ -int -xfs_dir_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args, int *index) -{ - xfs_dir_leafblock_t *leaf; - xfs_dir_leaf_entry_t *entry; - xfs_dir_leaf_name_t *namest; - int probe, span; - xfs_dahash_t hashval; - - leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - ASSERT(INT_GET(leaf->hdr.count, ARCH_CONVERT) < (XFS_LBSIZE(args->dp->i_mount)/8)); - - /* - * Binary search. (note: small blocks will skip this loop) - */ - hashval = args->hashval; - probe = span = INT_GET(leaf->hdr.count, ARCH_CONVERT) / 2; - for (entry = &leaf->entries[probe]; span > 4; - entry = &leaf->entries[probe]) { - span /= 2; - if (INT_GET(entry->hashval, ARCH_CONVERT) < hashval) - probe += span; - else if (INT_GET(entry->hashval, ARCH_CONVERT) > hashval) - probe -= span; - else - break; - } - ASSERT((probe >= 0) && \ - ((!leaf->hdr.count) || (probe < INT_GET(leaf->hdr.count, ARCH_CONVERT)))); - ASSERT((span <= 4) || (INT_GET(entry->hashval, ARCH_CONVERT) == hashval)); - - /* - * Since we may have duplicate hashval's, find the first matching - * hashval in the leaf. - */ - while ((probe > 0) && (INT_GET(entry->hashval, ARCH_CONVERT) >= hashval)) { - entry--; - probe--; - } - while ((probe < INT_GET(leaf->hdr.count, ARCH_CONVERT)) && (INT_GET(entry->hashval, ARCH_CONVERT) < hashval)) { - entry++; - probe++; - } - if ((probe == INT_GET(leaf->hdr.count, ARCH_CONVERT)) || (INT_GET(entry->hashval, ARCH_CONVERT) != hashval)) { - *index = probe; - ASSERT(args->oknoent); - return XFS_ERROR(ENOENT); - } - - /* - * Duplicate keys may be present, so search all of them for a match. - */ - while ((probe < INT_GET(leaf->hdr.count, ARCH_CONVERT)) && (INT_GET(entry->hashval, ARCH_CONVERT) == hashval)) { - namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT)); - if (entry->namelen == args->namelen && - namest->name[0] == args->name[0] && - memcmp(args->name, namest->name, args->namelen) == 0) { - XFS_DIR_SF_GET_DIRINO(&namest->inumber, &args->inumber); - *index = probe; - return XFS_ERROR(EEXIST); - } - entry++; - probe++; - } - *index = probe; - ASSERT(probe == INT_GET(leaf->hdr.count, ARCH_CONVERT) || args->oknoent); - return XFS_ERROR(ENOENT); -} - -/*======================================================================== - * Utility routines. - *========================================================================*/ - -/* - * Move the indicated entries from one leaf to another. - * NOTE: this routine modifies both source and destination leaves. - */ -/* ARGSUSED */ -STATIC void -xfs_dir_leaf_moveents(xfs_dir_leafblock_t *leaf_s, int start_s, - xfs_dir_leafblock_t *leaf_d, int start_d, - int count, xfs_mount_t *mp) -{ - xfs_dir_leaf_hdr_t *hdr_s, *hdr_d; - xfs_dir_leaf_entry_t *entry_s, *entry_d; - int tmp, i; - - /* - * Check for nothing to do. - */ - if (count == 0) - return; - - /* - * Set up environment. - */ - ASSERT(be16_to_cpu(leaf_s->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - ASSERT(be16_to_cpu(leaf_d->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - hdr_s = &leaf_s->hdr; - hdr_d = &leaf_d->hdr; - ASSERT((INT_GET(hdr_s->count, ARCH_CONVERT) > 0) && (INT_GET(hdr_s->count, ARCH_CONVERT) < (XFS_LBSIZE(mp)/8))); - ASSERT(INT_GET(hdr_s->firstused, ARCH_CONVERT) >= - ((INT_GET(hdr_s->count, ARCH_CONVERT)*sizeof(*entry_s))+sizeof(*hdr_s))); - ASSERT(INT_GET(hdr_d->count, ARCH_CONVERT) < (XFS_LBSIZE(mp)/8)); - ASSERT(INT_GET(hdr_d->firstused, ARCH_CONVERT) >= - ((INT_GET(hdr_d->count, ARCH_CONVERT)*sizeof(*entry_d))+sizeof(*hdr_d))); - - ASSERT(start_s < INT_GET(hdr_s->count, ARCH_CONVERT)); - ASSERT(start_d <= INT_GET(hdr_d->count, ARCH_CONVERT)); - ASSERT(count <= INT_GET(hdr_s->count, ARCH_CONVERT)); - - /* - * Move the entries in the destination leaf up to make a hole? - */ - if (start_d < INT_GET(hdr_d->count, ARCH_CONVERT)) { - tmp = INT_GET(hdr_d->count, ARCH_CONVERT) - start_d; - tmp *= (uint)sizeof(xfs_dir_leaf_entry_t); - entry_s = &leaf_d->entries[start_d]; - entry_d = &leaf_d->entries[start_d + count]; - memcpy(entry_d, entry_s, tmp); - } - - /* - * Copy all entry's in the same (sorted) order, - * but allocate filenames packed and in sequence. - */ - entry_s = &leaf_s->entries[start_s]; - entry_d = &leaf_d->entries[start_d]; - for (i = 0; i < count; entry_s++, entry_d++, i++) { - ASSERT(INT_GET(entry_s->nameidx, ARCH_CONVERT) >= INT_GET(hdr_s->firstused, ARCH_CONVERT)); - tmp = XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry_s); - INT_MOD(hdr_d->firstused, ARCH_CONVERT, -(tmp)); - entry_d->hashval = entry_s->hashval; /* INT_: direct copy */ - INT_COPY(entry_d->nameidx, hdr_d->firstused, ARCH_CONVERT); - entry_d->namelen = entry_s->namelen; - ASSERT(INT_GET(entry_d->nameidx, ARCH_CONVERT) + tmp <= XFS_LBSIZE(mp)); - memcpy(XFS_DIR_LEAF_NAMESTRUCT(leaf_d, INT_GET(entry_d->nameidx, ARCH_CONVERT)), - XFS_DIR_LEAF_NAMESTRUCT(leaf_s, INT_GET(entry_s->nameidx, ARCH_CONVERT)), tmp); - ASSERT(INT_GET(entry_s->nameidx, ARCH_CONVERT) + tmp <= XFS_LBSIZE(mp)); - memset((char *)XFS_DIR_LEAF_NAMESTRUCT(leaf_s, INT_GET(entry_s->nameidx, ARCH_CONVERT)), - 0, tmp); - INT_MOD(hdr_s->namebytes, ARCH_CONVERT, -(entry_d->namelen)); - INT_MOD(hdr_d->namebytes, ARCH_CONVERT, entry_d->namelen); - INT_MOD(hdr_s->count, ARCH_CONVERT, -1); - INT_MOD(hdr_d->count, ARCH_CONVERT, +1); - tmp = INT_GET(hdr_d->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t) - + (uint)sizeof(xfs_dir_leaf_hdr_t); - ASSERT(INT_GET(hdr_d->firstused, ARCH_CONVERT) >= tmp); - - } - - /* - * Zero out the entries we just copied. - */ - if (start_s == INT_GET(hdr_s->count, ARCH_CONVERT)) { - tmp = count * (uint)sizeof(xfs_dir_leaf_entry_t); - entry_s = &leaf_s->entries[start_s]; - ASSERT((char *)entry_s + tmp <= (char *)leaf_s + XFS_LBSIZE(mp)); - memset((char *)entry_s, 0, tmp); - } else { - /* - * Move the remaining entries down to fill the hole, - * then zero the entries at the top. - */ - tmp = INT_GET(hdr_s->count, ARCH_CONVERT) - count; - tmp *= (uint)sizeof(xfs_dir_leaf_entry_t); - entry_s = &leaf_s->entries[start_s + count]; - entry_d = &leaf_s->entries[start_s]; - memcpy(entry_d, entry_s, tmp); - - tmp = count * (uint)sizeof(xfs_dir_leaf_entry_t); - entry_s = &leaf_s->entries[INT_GET(hdr_s->count, ARCH_CONVERT)]; - ASSERT((char *)entry_s + tmp <= (char *)leaf_s + XFS_LBSIZE(mp)); - memset((char *)entry_s, 0, tmp); - } - - /* - * Fill in the freemap information - */ - INT_SET(hdr_d->freemap[0].base, ARCH_CONVERT, (uint)sizeof(xfs_dir_leaf_hdr_t)); - INT_MOD(hdr_d->freemap[0].base, ARCH_CONVERT, INT_GET(hdr_d->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t)); - INT_SET(hdr_d->freemap[0].size, ARCH_CONVERT, INT_GET(hdr_d->firstused, ARCH_CONVERT) - INT_GET(hdr_d->freemap[0].base, ARCH_CONVERT)); - INT_SET(hdr_d->freemap[1].base, ARCH_CONVERT, (hdr_d->freemap[2].base = 0)); - INT_SET(hdr_d->freemap[1].size, ARCH_CONVERT, (hdr_d->freemap[2].size = 0)); - hdr_s->holes = 1; /* leaf may not be compact */ -} - -/* - * Compare two leaf blocks "order". - */ -int -xfs_dir_leaf_order(xfs_dabuf_t *leaf1_bp, xfs_dabuf_t *leaf2_bp) -{ - xfs_dir_leafblock_t *leaf1, *leaf2; - - leaf1 = leaf1_bp->data; - leaf2 = leaf2_bp->data; - ASSERT((be16_to_cpu(leaf1->hdr.info.magic) == XFS_DIR_LEAF_MAGIC) && - (be16_to_cpu(leaf2->hdr.info.magic) == XFS_DIR_LEAF_MAGIC)); - if ((INT_GET(leaf1->hdr.count, ARCH_CONVERT) > 0) && (INT_GET(leaf2->hdr.count, ARCH_CONVERT) > 0) && - ((INT_GET(leaf2->entries[ 0 ].hashval, ARCH_CONVERT) < - INT_GET(leaf1->entries[ 0 ].hashval, ARCH_CONVERT)) || - (INT_GET(leaf2->entries[ INT_GET(leaf2->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT) < - INT_GET(leaf1->entries[ INT_GET(leaf1->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT)))) { - return 1; - } - return 0; -} - -/* - * Pick up the last hashvalue from a leaf block. - */ -xfs_dahash_t -xfs_dir_leaf_lasthash(xfs_dabuf_t *bp, int *count) -{ - xfs_dir_leafblock_t *leaf; - - leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC); - if (count) - *count = INT_GET(leaf->hdr.count, ARCH_CONVERT); - if (!leaf->hdr.count) - return(0); - return(INT_GET(leaf->entries[ INT_GET(leaf->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT)); -} - -/* - * Copy out directory entries for getdents(), for leaf directories. - */ -int -xfs_dir_leaf_getdents_int( - xfs_dabuf_t *bp, - xfs_inode_t *dp, - xfs_dablk_t bno, - uio_t *uio, - int *eobp, - xfs_dirent_t *dbp, - xfs_dir_put_t put, - xfs_daddr_t nextda) -{ - xfs_dir_leafblock_t *leaf; - xfs_dir_leaf_entry_t *entry; - xfs_dir_leaf_name_t *namest; - int entno, want_entno, i, nextentno; - xfs_mount_t *mp; - xfs_dahash_t cookhash; - xfs_dahash_t nexthash = 0; -#if (BITS_PER_LONG == 32) - xfs_dahash_t lasthash = XFS_DA_MAXHASH; -#endif - xfs_dir_put_args_t p; - - mp = dp->i_mount; - leaf = bp->data; - if (be16_to_cpu(leaf->hdr.info.magic) != XFS_DIR_LEAF_MAGIC) { - *eobp = 1; - return XFS_ERROR(ENOENT); /* XXX wrong code */ - } - - want_entno = XFS_DA_COOKIE_ENTRY(mp, uio->uio_offset); - - cookhash = XFS_DA_COOKIE_HASH(mp, uio->uio_offset); - - xfs_dir_trace_g_dul("leaf: start", dp, uio, leaf); - - /* - * Re-find our place. - */ - for (i = entno = 0, entry = &leaf->entries[0]; - i < INT_GET(leaf->hdr.count, ARCH_CONVERT); - entry++, i++) { - - namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, - INT_GET(entry->nameidx, ARCH_CONVERT)); - - if (unlikely( - ((char *)namest < (char *)leaf) || - ((char *)namest >= (char *)leaf + XFS_LBSIZE(mp)))) { - XFS_CORRUPTION_ERROR("xfs_dir_leaf_getdents_int(1)", - XFS_ERRLEVEL_LOW, mp, leaf); - xfs_dir_trace_g_du("leaf: corrupted", dp, uio); - return XFS_ERROR(EFSCORRUPTED); - } - if (INT_GET(entry->hashval, ARCH_CONVERT) >= cookhash) { - if ( entno < want_entno - && INT_GET(entry->hashval, ARCH_CONVERT) - == cookhash) { - /* - * Trying to get to a particular offset in a - * run of equal-hashval entries. - */ - entno++; - } else if ( want_entno > 0 - && entno == want_entno - && INT_GET(entry->hashval, ARCH_CONVERT) - == cookhash) { - break; - } else { - entno = 0; - break; - } - } - } - - if (i == INT_GET(leaf->hdr.count, ARCH_CONVERT)) { - xfs_dir_trace_g_du("leaf: hash not found", dp, uio); - if (!leaf->hdr.info.forw) - uio->uio_offset = - XFS_DA_MAKE_COOKIE(mp, 0, 0, XFS_DA_MAXHASH); - /* - * Don't set uio_offset if there's another block: - * the node code will be setting uio_offset anyway. - */ - *eobp = 0; - return 0; - } - xfs_dir_trace_g_due("leaf: hash found", dp, uio, entry); - - p.dbp = dbp; - p.put = put; - p.uio = uio; - - /* - * We're synchronized, start copying entries out to the user. - */ - for (; entno >= 0 && i < INT_GET(leaf->hdr.count, ARCH_CONVERT); - entry++, i++, (entno = nextentno)) { - int lastresid=0, retval; - xfs_dircook_t lastoffset; - xfs_dahash_t thishash; - - /* - * Check for a damaged directory leaf block and pick up - * the inode number from this entry. - */ - namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, - INT_GET(entry->nameidx, ARCH_CONVERT)); - - if (unlikely( - ((char *)namest < (char *)leaf) || - ((char *)namest >= (char *)leaf + XFS_LBSIZE(mp)))) { - XFS_CORRUPTION_ERROR("xfs_dir_leaf_getdents_int(2)", - XFS_ERRLEVEL_LOW, mp, leaf); - xfs_dir_trace_g_du("leaf: corrupted", dp, uio); - return XFS_ERROR(EFSCORRUPTED); - } - - xfs_dir_trace_g_duc("leaf: middle cookie ", - dp, uio, p.cook.o); - - if (i < (INT_GET(leaf->hdr.count, ARCH_CONVERT) - 1)) { - nexthash = INT_GET(entry[1].hashval, ARCH_CONVERT); - - if (nexthash == INT_GET(entry->hashval, ARCH_CONVERT)) - nextentno = entno + 1; - else - nextentno = 0; - XFS_PUT_COOKIE(p.cook, mp, bno, nextentno, nexthash); - xfs_dir_trace_g_duc("leaf: middle cookie ", - dp, uio, p.cook.o); - - } else if ((thishash = be32_to_cpu(leaf->hdr.info.forw))) { - xfs_dabuf_t *bp2; - xfs_dir_leafblock_t *leaf2; - - ASSERT(nextda != -1); - - retval = xfs_da_read_buf(dp->i_transp, dp, thishash, - nextda, &bp2, XFS_DATA_FORK); - if (retval) - return retval; - - ASSERT(bp2 != NULL); - - leaf2 = bp2->data; - - if (unlikely( - (be16_to_cpu(leaf2->hdr.info.magic) - != XFS_DIR_LEAF_MAGIC) - || (be32_to_cpu(leaf2->hdr.info.back) - != bno))) { /* GROT */ - XFS_CORRUPTION_ERROR("xfs_dir_leaf_getdents_int(3)", - XFS_ERRLEVEL_LOW, mp, - leaf2); - xfs_da_brelse(dp->i_transp, bp2); - - return XFS_ERROR(EFSCORRUPTED); - } - - nexthash = INT_GET(leaf2->entries[0].hashval, - ARCH_CONVERT); - nextentno = -1; - XFS_PUT_COOKIE(p.cook, mp, thishash, 0, nexthash); - xfs_da_brelse(dp->i_transp, bp2); - xfs_dir_trace_g_duc("leaf: next blk cookie", - dp, uio, p.cook.o); - } else { - nextentno = -1; - XFS_PUT_COOKIE(p.cook, mp, 0, 0, XFS_DA_MAXHASH); - } - - /* - * Save off the cookie so we can fall back should the - * 'put' into the outgoing buffer fails. To handle a run - * of equal-hashvals, the off_t structure on 64bit - * builds has entno built into the cookie to ID the - * entry. On 32bit builds, we only have space for the - * hashval so we can't ID specific entries within a group - * of same hashval entries. For this, lastoffset is set - * to the first in the run of equal hashvals so we don't - * include any entries unless we can include all entries - * that share the same hashval. Hopefully the buffer - * provided is big enough to handle it (see pv763517). - */ -#if (BITS_PER_LONG == 32) - if ((thishash = INT_GET(entry->hashval, ARCH_CONVERT)) - != lasthash) { - XFS_PUT_COOKIE(lastoffset, mp, bno, entno, thishash); - lastresid = uio->uio_resid; - lasthash = thishash; - } else { - xfs_dir_trace_g_duc("leaf: DUP COOKIES, skipped", - dp, uio, p.cook.o); - } -#else - thishash = INT_GET(entry->hashval, ARCH_CONVERT); - XFS_PUT_COOKIE(lastoffset, mp, bno, entno, thishash); - lastresid = uio->uio_resid; -#endif /* BITS_PER_LONG == 32 */ - - /* - * Put the current entry into the outgoing buffer. If we fail - * then restore the UIO to the first entry in the current - * run of equal-hashval entries (probably one 1 entry long). - */ - p.ino = XFS_GET_DIR_INO8(namest->inumber); -#if XFS_BIG_INUMS - p.ino += mp->m_inoadd; -#endif - p.name = (char *)namest->name; - p.namelen = entry->namelen; - - retval = p.put(&p); - - if (!p.done) { - uio->uio_offset = lastoffset.o; - uio->uio_resid = lastresid; - - *eobp = 1; - - xfs_dir_trace_g_du("leaf: E-O-B", dp, uio); - - return retval; - } - } - - uio->uio_offset = p.cook.o; - - *eobp = 0; - - xfs_dir_trace_g_du("leaf: E-O-F", dp, uio); - - return 0; -} - -/* - * Format a dirent64 structure and copy it out the the user's buffer. - */ -int -xfs_dir_put_dirent64_direct(xfs_dir_put_args_t *pa) -{ - iovec_t *iovp; - int reclen, namelen; - xfs_dirent_t *idbp; - uio_t *uio; - - namelen = pa->namelen; - reclen = DIRENTSIZE(namelen); - uio = pa->uio; - if (reclen > uio->uio_resid) { - pa->done = 0; - return 0; - } - iovp = uio->uio_iov; - idbp = (xfs_dirent_t *)iovp->iov_base; - iovp->iov_base = (char *)idbp + reclen; - iovp->iov_len -= reclen; - uio->uio_resid -= reclen; - idbp->d_reclen = reclen; - idbp->d_ino = pa->ino; - idbp->d_off = pa->cook.o; - idbp->d_name[namelen] = '\0'; - pa->done = 1; - memcpy(idbp->d_name, pa->name, namelen); - return 0; -} - -/* - * Format a dirent64 structure and copy it out the the user's buffer. - */ -int -xfs_dir_put_dirent64_uio(xfs_dir_put_args_t *pa) -{ - int retval, reclen, namelen; - xfs_dirent_t *idbp; - uio_t *uio; - - namelen = pa->namelen; - reclen = DIRENTSIZE(namelen); - uio = pa->uio; - if (reclen > uio->uio_resid) { - pa->done = 0; - return 0; - } - idbp = pa->dbp; - idbp->d_reclen = reclen; - idbp->d_ino = pa->ino; - idbp->d_off = pa->cook.o; - idbp->d_name[namelen] = '\0'; - memcpy(idbp->d_name, pa->name, namelen); - retval = uio_read((caddr_t)idbp, reclen, uio); - pa->done = (retval == 0); - return retval; -} diff --git a/fs/xfs/xfs_dir_leaf.h b/fs/xfs/xfs_dir_leaf.h deleted file mode 100644 index eb8cd9a..0000000 --- a/fs/xfs/xfs_dir_leaf.h +++ /dev/null @@ -1,231 +0,0 @@ -/* - * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_DIR_LEAF_H__ -#define __XFS_DIR_LEAF_H__ - -/* - * Directory layout, internal structure, access macros, etc. - * - * Large directories are structured around Btrees where all the data - * elements are in the leaf nodes. Filenames are hashed into an int, - * then that int is used as the index into the Btree. Since the hashval - * of a filename may not be unique, we may have duplicate keys. The - * internal links in the Btree are logical block offsets into the file. - */ - -struct uio; -struct xfs_bmap_free; -struct xfs_dabuf; -struct xfs_da_args; -struct xfs_da_state; -struct xfs_da_state_blk; -struct xfs_dir_put_args; -struct xfs_inode; -struct xfs_mount; -struct xfs_trans; - -/*======================================================================== - * Directory Structure when equal to XFS_LBSIZE(mp) bytes. - *========================================================================*/ - -/* - * This is the structure of the leaf nodes in the Btree. - * - * Struct leaf_entry's are packed from the top. Names grow from the bottom - * but are not packed. The freemap contains run-length-encoded entries - * for the free bytes after the leaf_entry's, but only the N largest such, - * smaller runs are dropped. When the freemap doesn't show enough space - * for an allocation, we compact the namelist area and try again. If we - * still don't have enough space, then we have to split the block. - * - * Since we have duplicate hash keys, for each key that matches, compare - * the actual string. The root and intermediate node search always takes - * the first-in-the-block key match found, so we should only have to work - * "forw"ard. If none matches, continue with the "forw"ard leaf nodes - * until the hash key changes or the filename is found. - * - * The parent directory and the self-pointer are explicitly represented - * (ie: there are entries for "." and ".."). - * - * Note that the count being a __uint16_t limits us to something like a - * blocksize of 1.3MB in the face of worst case (short) filenames. - */ -#define XFS_DIR_LEAF_MAPSIZE 3 /* how many freespace slots */ - -typedef struct xfs_dir_leaf_map { /* RLE map of free bytes */ - __uint16_t base; /* base of free region */ - __uint16_t size; /* run length of free region */ -} xfs_dir_leaf_map_t; - -typedef struct xfs_dir_leaf_hdr { /* constant-structure header block */ - xfs_da_blkinfo_t info; /* block type, links, etc. */ - __uint16_t count; /* count of active leaf_entry's */ - __uint16_t namebytes; /* num bytes of name strings stored */ - __uint16_t firstused; /* first used byte in name area */ - __uint8_t holes; /* != 0 if blk needs compaction */ - __uint8_t pad1; - xfs_dir_leaf_map_t freemap[XFS_DIR_LEAF_MAPSIZE]; -} xfs_dir_leaf_hdr_t; - -typedef struct xfs_dir_leaf_entry { /* sorted on key, not name */ - xfs_dahash_t hashval; /* hash value of name */ - __uint16_t nameidx; /* index into buffer of name */ - __uint8_t namelen; /* length of name string */ - __uint8_t pad2; -} xfs_dir_leaf_entry_t; - -typedef struct xfs_dir_leaf_name { - xfs_dir_ino_t inumber; /* inode number for this key */ - __uint8_t name[1]; /* name string itself */ -} xfs_dir_leaf_name_t; - -typedef struct xfs_dir_leafblock { - xfs_dir_leaf_hdr_t hdr; /* constant-structure header block */ - xfs_dir_leaf_entry_t entries[1]; /* var sized array */ - xfs_dir_leaf_name_t namelist[1]; /* grows from bottom of buf */ -} xfs_dir_leafblock_t; - -/* - * Length of name for which a 512-byte block filesystem - * can get a double split. - */ -#define XFS_DIR_LEAF_CAN_DOUBLE_SPLIT_LEN \ - (512 - (uint)sizeof(xfs_dir_leaf_hdr_t) - \ - (uint)sizeof(xfs_dir_leaf_entry_t) * 2 - \ - (uint)sizeof(xfs_dir_leaf_name_t) * 2 - (MAXNAMELEN - 2) + 1 + 1) - -typedef int (*xfs_dir_put_t)(struct xfs_dir_put_args *pa); - -typedef union { - xfs_off_t o; /* offset (cookie) */ - /* - * Watch the order here (endian-ness dependent). - */ - struct { -#ifndef XFS_NATIVE_HOST - xfs_dahash_t h; /* hash value */ - __uint32_t be; /* block and entry */ -#else - __uint32_t be; /* block and entry */ - xfs_dahash_t h; /* hash value */ -#endif /* XFS_NATIVE_HOST */ - } s; -} xfs_dircook_t; - -#define XFS_PUT_COOKIE(c,mp,bno,entry,hash) \ - ((c).s.be = XFS_DA_MAKE_BNOENTRY(mp, bno, entry), (c).s.h = (hash)) - -typedef struct xfs_dir_put_args { - xfs_dircook_t cook; /* cookie of (next) entry */ - xfs_intino_t ino; /* inode number */ - struct xfs_dirent *dbp; /* buffer pointer */ - char *name; /* directory entry name */ - int namelen; /* length of name */ - int done; /* output: set if value was stored */ - xfs_dir_put_t put; /* put function ptr (i/o) */ - struct uio *uio; /* uio control structure */ -} xfs_dir_put_args_t; - -#define XFS_DIR_LEAF_ENTSIZE_BYNAME(len) \ - xfs_dir_leaf_entsize_byname(len) -static inline int xfs_dir_leaf_entsize_byname(int len) -{ - return (uint)sizeof(xfs_dir_leaf_name_t)-1 + len; -} - -#define XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry) \ - xfs_dir_leaf_entsize_byentry(entry) -static inline int xfs_dir_leaf_entsize_byentry(xfs_dir_leaf_entry_t *entry) -{ - return (uint)sizeof(xfs_dir_leaf_name_t)-1 + (entry)->namelen; -} - -#define XFS_DIR_LEAF_NAMESTRUCT(leafp,offset) \ - xfs_dir_leaf_namestruct(leafp,offset) -static inline xfs_dir_leaf_name_t * -xfs_dir_leaf_namestruct(xfs_dir_leafblock_t *leafp, int offset) -{ - return (xfs_dir_leaf_name_t *)&((char *)(leafp))[offset]; -} - -/*======================================================================== - * Function prototypes for the kernel. - *========================================================================*/ - -/* - * Internal routines when dirsize < XFS_LITINO(mp). - */ -int xfs_dir_shortform_create(struct xfs_da_args *args, xfs_ino_t parent); -int xfs_dir_shortform_addname(struct xfs_da_args *args); -int xfs_dir_shortform_lookup(struct xfs_da_args *args); -int xfs_dir_shortform_to_leaf(struct xfs_da_args *args); -int xfs_dir_shortform_removename(struct xfs_da_args *args); -int xfs_dir_shortform_getdents(struct xfs_inode *dp, struct uio *uio, int *eofp, - struct xfs_dirent *dbp, xfs_dir_put_t put); -int xfs_dir_shortform_replace(struct xfs_da_args *args); - -/* - * Internal routines when dirsize == XFS_LBSIZE(mp). - */ -int xfs_dir_leaf_to_node(struct xfs_da_args *args); -int xfs_dir_leaf_to_shortform(struct xfs_da_args *args); - -/* - * Routines used for growing the Btree. - */ -int xfs_dir_leaf_split(struct xfs_da_state *state, - struct xfs_da_state_blk *oldblk, - struct xfs_da_state_blk *newblk); -int xfs_dir_leaf_add(struct xfs_dabuf *leaf_buffer, - struct xfs_da_args *args, int insertion_index); -int xfs_dir_leaf_addname(struct xfs_da_args *args); -int xfs_dir_leaf_lookup_int(struct xfs_dabuf *leaf_buffer, - struct xfs_da_args *args, - int *index_found_at); -int xfs_dir_leaf_remove(struct xfs_trans *trans, - struct xfs_dabuf *leaf_buffer, - int index_to_remove); -int xfs_dir_leaf_getdents_int(struct xfs_dabuf *bp, struct xfs_inode *dp, - xfs_dablk_t bno, struct uio *uio, - int *eobp, struct xfs_dirent *dbp, - xfs_dir_put_t put, xfs_daddr_t nextda); - -/* - * Routines used for shrinking the Btree. - */ -int xfs_dir_leaf_toosmall(struct xfs_da_state *state, int *retval); -void xfs_dir_leaf_unbalance(struct xfs_da_state *state, - struct xfs_da_state_blk *drop_blk, - struct xfs_da_state_blk *save_blk); - -/* - * Utility routines. - */ -uint xfs_dir_leaf_lasthash(struct xfs_dabuf *bp, int *count); -int xfs_dir_leaf_order(struct xfs_dabuf *leaf1_bp, - struct xfs_dabuf *leaf2_bp); -int xfs_dir_put_dirent64_direct(xfs_dir_put_args_t *pa); -int xfs_dir_put_dirent64_uio(xfs_dir_put_args_t *pa); -int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); - -/* - * Global data. - */ -extern xfs_dahash_t xfs_dir_hash_dot, xfs_dir_hash_dotdot; - -#endif /* __XFS_DIR_LEAF_H__ */ diff --git a/fs/xfs/xfs_dir_sf.h b/fs/xfs/xfs_dir_sf.h deleted file mode 100644 index 5b20b4d..0000000 --- a/fs/xfs/xfs_dir_sf.h +++ /dev/null @@ -1,155 +0,0 @@ -/* - * Copyright (c) 2000,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_DIR_SF_H__ -#define __XFS_DIR_SF_H__ - -/* - * Directory layout when stored internal to an inode. - * - * Small directories are packed as tightly as possible so as to - * fit into the literal area of the inode. - */ - -typedef struct { __uint8_t i[sizeof(xfs_ino_t)]; } xfs_dir_ino_t; - -/* - * The parent directory has a dedicated field, and the self-pointer must - * be calculated on the fly. - * - * Entries are packed toward the top as tight as possible. The header - * and the elements much be memcpy'd out into a work area to get correct - * alignment for the inode number fields. - */ -typedef struct xfs_dir_sf_hdr { /* constant-structure header block */ - xfs_dir_ino_t parent; /* parent dir inode number */ - __uint8_t count; /* count of active entries */ -} xfs_dir_sf_hdr_t; - -typedef struct xfs_dir_sf_entry { - xfs_dir_ino_t inumber; /* referenced inode number */ - __uint8_t namelen; /* actual length of name (no NULL) */ - __uint8_t name[1]; /* name */ -} xfs_dir_sf_entry_t; - -typedef struct xfs_dir_shortform { - xfs_dir_sf_hdr_t hdr; - xfs_dir_sf_entry_t list[1]; /* variable sized array */ -} xfs_dir_shortform_t; - -/* - * We generate this then sort it, so that readdirs are returned in - * hash-order. Else seekdir won't work. - */ -typedef struct xfs_dir_sf_sort { - __uint8_t entno; /* .=0, ..=1, else entry# + 2 */ - __uint8_t seqno; /* sequence # with same hash value */ - __uint8_t namelen; /* length of name value (no null) */ - xfs_dahash_t hash; /* this entry's hash value */ - xfs_intino_t ino; /* this entry's inode number */ - char *name; /* name value, pointer into buffer */ -} xfs_dir_sf_sort_t; - -#define XFS_DIR_SF_GET_DIRINO(from,to) xfs_dir_sf_get_dirino(from, to) -static inline void xfs_dir_sf_get_dirino(xfs_dir_ino_t *from, xfs_ino_t *to) -{ - *(to) = XFS_GET_DIR_INO8(*from); -} - -#define XFS_DIR_SF_PUT_DIRINO(from,to) xfs_dir_sf_put_dirino(from, to) -static inline void xfs_dir_sf_put_dirino(xfs_ino_t *from, xfs_dir_ino_t *to) -{ - XFS_PUT_DIR_INO8(*(from), *(to)); -} - -#define XFS_DIR_SF_ENTSIZE_BYNAME(len) xfs_dir_sf_entsize_byname(len) -static inline int xfs_dir_sf_entsize_byname(int len) -{ - return (uint)sizeof(xfs_dir_sf_entry_t)-1 + (len); -} - -#define XFS_DIR_SF_ENTSIZE_BYENTRY(sfep) xfs_dir_sf_entsize_byentry(sfep) -static inline int xfs_dir_sf_entsize_byentry(xfs_dir_sf_entry_t *sfep) -{ - return (uint)sizeof(xfs_dir_sf_entry_t)-1 + (sfep)->namelen; -} - -#define XFS_DIR_SF_NEXTENTRY(sfep) xfs_dir_sf_nextentry(sfep) -static inline xfs_dir_sf_entry_t *xfs_dir_sf_nextentry(xfs_dir_sf_entry_t *sfep) -{ - return (xfs_dir_sf_entry_t *) \ - ((char *)(sfep) + XFS_DIR_SF_ENTSIZE_BYENTRY(sfep)); -} - -#define XFS_DIR_SF_ALLFIT(count,totallen) \ - xfs_dir_sf_allfit(count,totallen) -static inline int xfs_dir_sf_allfit(int count, int totallen) -{ - return ((uint)sizeof(xfs_dir_sf_hdr_t) + \ - ((uint)sizeof(xfs_dir_sf_entry_t)-1)*(count) + (totallen)); -} - -#if defined(XFS_DIR_TRACE) - -/* - * Kernel tracing support for directories. - */ -struct uio; -struct xfs_inode; -struct xfs_da_intnode; -struct xfs_dinode; -struct xfs_dir_leafblock; -struct xfs_dir_leaf_entry; - -#define XFS_DIR_TRACE_SIZE 4096 /* size of global trace buffer */ -extern ktrace_t *xfs_dir_trace_buf; - -/* - * Trace record types. - */ -#define XFS_DIR_KTRACE_G_DU 1 /* dp, uio */ -#define XFS_DIR_KTRACE_G_DUB 2 /* dp, uio, bno */ -#define XFS_DIR_KTRACE_G_DUN 3 /* dp, uio, node */ -#define XFS_DIR_KTRACE_G_DUL 4 /* dp, uio, leaf */ -#define XFS_DIR_KTRACE_G_DUE 5 /* dp, uio, leaf entry */ -#define XFS_DIR_KTRACE_G_DUC 6 /* dp, uio, cookie */ - -void xfs_dir_trace_g_du(char *where, struct xfs_inode *dp, struct uio *uio); -void xfs_dir_trace_g_dub(char *where, struct xfs_inode *dp, struct uio *uio, - xfs_dablk_t bno); -void xfs_dir_trace_g_dun(char *where, struct xfs_inode *dp, struct uio *uio, - struct xfs_da_intnode *node); -void xfs_dir_trace_g_dul(char *where, struct xfs_inode *dp, struct uio *uio, - struct xfs_dir_leafblock *leaf); -void xfs_dir_trace_g_due(char *where, struct xfs_inode *dp, struct uio *uio, - struct xfs_dir_leaf_entry *entry); -void xfs_dir_trace_g_duc(char *where, struct xfs_inode *dp, struct uio *uio, - xfs_off_t cookie); -void xfs_dir_trace_enter(int type, char *where, - void *a0, void *a1, void *a2, void *a3, - void *a4, void *a5, void *a6, void *a7, - void *a8, void *a9, void *a10, void *a11); -#else -#define xfs_dir_trace_g_du(w,d,u) -#define xfs_dir_trace_g_dub(w,d,u,b) -#define xfs_dir_trace_g_dun(w,d,u,n) -#define xfs_dir_trace_g_dul(w,d,u,l) -#define xfs_dir_trace_g_due(w,d,u,e) -#define xfs_dir_trace_g_duc(w,d,u,c) -#endif /* DEBUG */ - -#endif /* __XFS_DIR_SF_H__ */ diff --git a/fs/xfs/xfs_dmapi.h b/fs/xfs/xfs_dmapi.h index 00b1540..4e7865a 100644 --- a/fs/xfs/xfs_dmapi.h +++ b/fs/xfs/xfs_dmapi.h @@ -189,6 +189,6 @@ typedef enum { #define AT_DELAY_FLAG(f) ((f&ATTR_NONBLOCK) ? DM_FLAGS_NDELAY : 0) -extern struct bhv_vfsops xfs_dmops; +extern struct bhv_module_vfsops xfs_dmops; #endif /* __XFS_DMAPI_H__ */ diff --git a/fs/xfs/xfs_dmops.c b/fs/xfs/xfs_dmops.c index 629795b..1e4a35d 100644 --- a/fs/xfs/xfs_dmops.c +++ b/fs/xfs/xfs_dmops.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index 2a21c50..b95681b 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -22,12 +22,10 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index f19282e..6cf6d87 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_buf_item.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_trans_priv.h" @@ -294,6 +293,62 @@ xfs_efi_init(xfs_mount_t *mp, } /* + * Copy an EFI format buffer from the given buf, and into the destination + * EFI format structure. + * The given buffer can be in 32 bit or 64 bit form (which has different padding), + * one of which will be the native format for this kernel. + * It will handle the conversion of formats if necessary. + */ +int +xfs_efi_copy_format(xfs_log_iovec_t *buf, xfs_efi_log_format_t *dst_efi_fmt) +{ + xfs_efi_log_format_t *src_efi_fmt = (xfs_efi_log_format_t *)buf->i_addr; + uint i; + uint len = sizeof(xfs_efi_log_format_t) + + (src_efi_fmt->efi_nextents - 1) * sizeof(xfs_extent_t); + uint len32 = sizeof(xfs_efi_log_format_32_t) + + (src_efi_fmt->efi_nextents - 1) * sizeof(xfs_extent_32_t); + uint len64 = sizeof(xfs_efi_log_format_64_t) + + (src_efi_fmt->efi_nextents - 1) * sizeof(xfs_extent_64_t); + + if (buf->i_len == len) { + memcpy((char *)dst_efi_fmt, (char*)src_efi_fmt, len); + return 0; + } else if (buf->i_len == len32) { + xfs_efi_log_format_32_t *src_efi_fmt_32 = + (xfs_efi_log_format_32_t *)buf->i_addr; + + dst_efi_fmt->efi_type = src_efi_fmt_32->efi_type; + dst_efi_fmt->efi_size = src_efi_fmt_32->efi_size; + dst_efi_fmt->efi_nextents = src_efi_fmt_32->efi_nextents; + dst_efi_fmt->efi_id = src_efi_fmt_32->efi_id; + for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { + dst_efi_fmt->efi_extents[i].ext_start = + src_efi_fmt_32->efi_extents[i].ext_start; + dst_efi_fmt->efi_extents[i].ext_len = + src_efi_fmt_32->efi_extents[i].ext_len; + } + return 0; + } else if (buf->i_len == len64) { + xfs_efi_log_format_64_t *src_efi_fmt_64 = + (xfs_efi_log_format_64_t *)buf->i_addr; + + dst_efi_fmt->efi_type = src_efi_fmt_64->efi_type; + dst_efi_fmt->efi_size = src_efi_fmt_64->efi_size; + dst_efi_fmt->efi_nextents = src_efi_fmt_64->efi_nextents; + dst_efi_fmt->efi_id = src_efi_fmt_64->efi_id; + for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { + dst_efi_fmt->efi_extents[i].ext_start = + src_efi_fmt_64->efi_extents[i].ext_start; + dst_efi_fmt->efi_extents[i].ext_len = + src_efi_fmt_64->efi_extents[i].ext_len; + } + return 0; + } + return EFSCORRUPTED; +} + +/* * This is called by the efd item code below to release references to * the given efi item. Each efd calls this with the number of * extents that it has logged, and when the sum of these reaches diff --git a/fs/xfs/xfs_extfree_item.h b/fs/xfs/xfs_extfree_item.h index 5bf6817..0ea45ed 100644 --- a/fs/xfs/xfs_extfree_item.h +++ b/fs/xfs/xfs_extfree_item.h @@ -27,6 +27,24 @@ typedef struct xfs_extent { } xfs_extent_t; /* + * Since an xfs_extent_t has types (start:64, len: 32) + * there are different alignments on 32 bit and 64 bit kernels. + * So we provide the different variants for use by a + * conversion routine. + */ + +typedef struct xfs_extent_32 { + xfs_dfsbno_t ext_start; + xfs_extlen_t ext_len; +} __attribute__((packed)) xfs_extent_32_t; + +typedef struct xfs_extent_64 { + xfs_dfsbno_t ext_start; + xfs_extlen_t ext_len; + __uint32_t ext_pad; +} xfs_extent_64_t; + +/* * This is the structure used to lay out an efi log item in the * log. The efi_extents field is a variable size array whose * size is given by efi_nextents. @@ -39,6 +57,22 @@ typedef struct xfs_efi_log_format { xfs_extent_t efi_extents[1]; /* array of extents to free */ } xfs_efi_log_format_t; +typedef struct xfs_efi_log_format_32 { + unsigned short efi_type; /* efi log item type */ + unsigned short efi_size; /* size of this item */ + uint efi_nextents; /* # extents to free */ + __uint64_t efi_id; /* efi identifier */ + xfs_extent_32_t efi_extents[1]; /* array of extents to free */ +} __attribute__((packed)) xfs_efi_log_format_32_t; + +typedef struct xfs_efi_log_format_64 { + unsigned short efi_type; /* efi log item type */ + unsigned short efi_size; /* size of this item */ + uint efi_nextents; /* # extents to free */ + __uint64_t efi_id; /* efi identifier */ + xfs_extent_64_t efi_extents[1]; /* array of extents to free */ +} xfs_efi_log_format_64_t; + /* * This is the structure used to lay out an efd log item in the * log. The efd_extents array is a variable size array whose @@ -52,6 +86,22 @@ typedef struct xfs_efd_log_format { xfs_extent_t efd_extents[1]; /* array of extents freed */ } xfs_efd_log_format_t; +typedef struct xfs_efd_log_format_32 { + unsigned short efd_type; /* efd log item type */ + unsigned short efd_size; /* size of this item */ + uint efd_nextents; /* # of extents freed */ + __uint64_t efd_efi_id; /* id of corresponding efi */ + xfs_extent_32_t efd_extents[1]; /* array of extents freed */ +} __attribute__((packed)) xfs_efd_log_format_32_t; + +typedef struct xfs_efd_log_format_64 { + unsigned short efd_type; /* efd log item type */ + unsigned short efd_size; /* size of this item */ + uint efd_nextents; /* # of extents freed */ + __uint64_t efd_efi_id; /* id of corresponding efi */ + xfs_extent_64_t efd_extents[1]; /* array of extents freed */ +} xfs_efd_log_format_64_t; + #ifdef __KERNEL__ @@ -103,7 +153,8 @@ extern struct kmem_zone *xfs_efd_zone; xfs_efi_log_item_t *xfs_efi_init(struct xfs_mount *, uint); xfs_efd_log_item_t *xfs_efd_init(struct xfs_mount *, xfs_efi_log_item_t *, uint); - +int xfs_efi_copy_format(xfs_log_iovec_t *buf, + xfs_efi_log_format_t *dst_efi_fmt); void xfs_efi_item_free(xfs_efi_log_item_t *); #endif /* __KERNEL__ */ diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index 14010f1..0f0ad15 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -67,14 +67,15 @@ struct fsxattr { #define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */ #define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */ #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */ +#define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ /* * Structure for XFS_IOC_GETBMAP. * On input, fill in bmv_offset and bmv_length of the first structure - * to indicate the area of interest in the file, and bmv_entry with the - * number of array elements given. The first structure is updated on - * return to give the offset and length for the next call. + * to indicate the area of interest in the file, and bmv_entries with + * the number of array elements given back. The first structure is + * updated on return to give the offset and length for the next call. */ #ifndef HAVE_GETBMAP struct getbmap { diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index dfa3527..077629b 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -542,14 +540,13 @@ xfs_reserve_blocks( } void -xfs_fs_log_dummy(xfs_mount_t *mp) +xfs_fs_log_dummy( + xfs_mount_t *mp) { - xfs_trans_t *tp; - xfs_inode_t *ip; - + xfs_trans_t *tp; + xfs_inode_t *ip; tp = _xfs_trans_alloc(mp, XFS_TRANS_DUMMY1); - atomic_inc(&mp->m_active_trans); if (xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0)) { xfs_trans_cancel(tp, 0); return; @@ -574,21 +571,22 @@ xfs_fs_goingdown( { switch (inflags) { case XFS_FSOP_GOING_FLAGS_DEFAULT: { - struct vfs *vfsp = XFS_MTOVFS(mp); + struct bhv_vfs *vfsp = XFS_MTOVFS(mp); struct super_block *sb = freeze_bdev(vfsp->vfs_super->s_bdev); if (sb && !IS_ERR(sb)) { - xfs_force_shutdown(mp, XFS_FORCE_UMOUNT); + xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT); thaw_bdev(sb->s_bdev, sb); } break; } case XFS_FSOP_GOING_FLAGS_LOGFLUSH: - xfs_force_shutdown(mp, XFS_FORCE_UMOUNT); + xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT); break; case XFS_FSOP_GOING_FLAGS_NOLOGFLUSH: - xfs_force_shutdown(mp, XFS_FORCE_UMOUNT|XFS_LOG_IO_ERROR); + xfs_force_shutdown(mp, + SHUTDOWN_FORCE_UMOUNT | SHUTDOWN_LOG_IO_ERROR); break; default: return XFS_ERROR(EINVAL); diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index deddbd0..33164a8 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -1174,6 +1172,9 @@ xfs_dilocate( if (agno >= mp->m_sb.sb_agcount || agbno >= mp->m_sb.sb_agblocks || ino != XFS_AGINO_TO_INO(mp, agno, agino)) { #ifdef DEBUG + /* no diagnostics for bulkstat, ino comes from userspace */ + if (flags & XFS_IMAP_BULKSTAT) + return XFS_ERROR(EINVAL); if (agno >= mp->m_sb.sb_agcount) { xfs_fs_cmn_err(CE_ALERT, mp, "xfs_dilocate: agno (%d) >= " diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c index 60c65683..616eeeb 100644 --- a/fs/xfs/xfs_ialloc_btree.c +++ b/fs/xfs/xfs_ialloc_btree.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index b538543..0724df7 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -186,7 +184,7 @@ xfs_ihash_promote( */ STATIC int xfs_iget_core( - vnode_t *vp, + bhv_vnode_t *vp, xfs_mount_t *mp, xfs_trans_t *tp, xfs_ino_t ino, @@ -198,7 +196,7 @@ xfs_iget_core( xfs_ihash_t *ih; xfs_inode_t *ip; xfs_inode_t *iq; - vnode_t *inode_vp; + bhv_vnode_t *inode_vp; ulong version; int error; /* REFERENCED */ @@ -468,7 +466,7 @@ finish_inode: * If we have a real type for an on-disk inode, we can set ops(&unlock) * now. If it's a new inode being created, xfs_ialloc will handle it. */ - VFS_INIT_VNODE(XFS_MTOVFS(mp), vp, XFS_ITOBHV(ip), 1); + bhv_vfs_init_vnode(XFS_MTOVFS(mp), vp, XFS_ITOBHV(ip), 1); return 0; } @@ -489,7 +487,7 @@ xfs_iget( xfs_daddr_t bno) { struct inode *inode; - vnode_t *vp = NULL; + bhv_vnode_t *vp = NULL; int error; XFS_STATS_INC(xs_ig_attempts); @@ -543,7 +541,7 @@ retry: void xfs_inode_lock_init( xfs_inode_t *ip, - vnode_t *vp) + bhv_vnode_t *vp) { mrlock_init(&ip->i_lock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER, "xfsino", (long)vp->v_number); @@ -603,12 +601,10 @@ void xfs_iput(xfs_inode_t *ip, uint lock_flags) { - vnode_t *vp = XFS_ITOV(ip); + bhv_vnode_t *vp = XFS_ITOV(ip); vn_trace_entry(vp, "xfs_iput", (inst_t *)__return_address); - xfs_iunlock(ip, lock_flags); - VN_RELE(vp); } @@ -619,7 +615,7 @@ void xfs_iput_new(xfs_inode_t *ip, uint lock_flags) { - vnode_t *vp = XFS_ITOV(ip); + bhv_vnode_t *vp = XFS_ITOV(ip); struct inode *inode = vn_to_inode(vp); vn_trace_entry(vp, "xfs_iput_new", (inst_t *)__return_address); @@ -645,7 +641,7 @@ xfs_iput_new(xfs_inode_t *ip, void xfs_ireclaim(xfs_inode_t *ip) { - vnode_t *vp; + bhv_vnode_t *vp; /* * Remove from old hash list and mount list. @@ -1033,6 +1029,6 @@ xfs_iflock_nowait(xfs_inode_t *ip) void xfs_ifunlock(xfs_inode_t *ip) { - ASSERT(valusema(&(ip->i_flock)) <= 0); + ASSERT(issemalocked(&(ip->i_flock))); vsema(&(ip->i_flock)); } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 94b60dd0..5fa0adb 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -26,14 +26,12 @@ #include "xfs_trans_priv.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -256,13 +254,11 @@ xfs_itobp( xfs_daddr_t bno, uint imap_flags) { + xfs_imap_t imap; xfs_buf_t *bp; int error; - xfs_imap_t imap; -#ifdef __KERNEL__ int i; int ni; -#endif if (ip->i_blkno == (xfs_daddr_t)0) { /* @@ -319,7 +315,6 @@ xfs_itobp( */ error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, imap.im_blkno, (int)imap.im_len, XFS_BUF_LOCK, &bp); - if (error) { #ifdef DEBUG xfs_fs_cmn_err(CE_ALERT, mp, "xfs_itobp: " @@ -330,17 +325,21 @@ xfs_itobp( #endif /* DEBUG */ return error; } -#ifdef __KERNEL__ + /* * Validate the magic number and version of every inode in the buffer * (if DEBUG kernel) or the first inode in the buffer, otherwise. + * No validation is done here in userspace (xfs_repair). */ -#ifdef DEBUG +#if !defined(__KERNEL__) + ni = 0; +#elif defined(DEBUG) ni = (imap_flags & XFS_IMAP_BULKSTAT) ? 0 : (BBTOB(imap.im_len) >> mp->m_sb.sb_inodelog); -#else +#else /* usual case */ ni = (imap_flags & XFS_IMAP_BULKSTAT) ? 0 : 1; #endif + for (i = 0; i < ni; i++) { int di_ok; xfs_dinode_t *dip; @@ -352,8 +351,11 @@ xfs_itobp( if (unlikely(XFS_TEST_ERROR(!di_ok, mp, XFS_ERRTAG_ITOBP_INOTOBP, XFS_RANDOM_ITOBP_INOTOBP))) { #ifdef DEBUG - prdev("bad inode magic/vsn daddr %lld #%d (magic=%x)", - mp->m_ddev_targp, + if (!(imap_flags & XFS_IMAP_BULKSTAT)) + cmn_err(CE_ALERT, + "Device %s - bad inode magic/vsn " + "daddr %lld #%d (magic=%x)", + XFS_BUFTARG_NAME(mp->m_ddev_targp), (unsigned long long)imap.im_blkno, i, INT_GET(dip->di_core.di_magic, ARCH_CONVERT)); #endif @@ -363,7 +365,6 @@ xfs_itobp( return XFS_ERROR(EFSCORRUPTED); } } -#endif /* __KERNEL__ */ xfs_inobp_check(mp, bp); @@ -782,7 +783,6 @@ xfs_xlate_dinode_core( STATIC uint _xfs_dic2xflags( - xfs_dinode_core_t *dic, __uint16_t di_flags) { uint flags = 0; @@ -812,6 +812,8 @@ _xfs_dic2xflags( flags |= XFS_XFLAG_EXTSIZE; if (di_flags & XFS_DIFLAG_EXTSZINHERIT) flags |= XFS_XFLAG_EXTSZINHERIT; + if (di_flags & XFS_DIFLAG_NODEFRAG) + flags |= XFS_XFLAG_NODEFRAG; } return flags; @@ -823,16 +825,16 @@ xfs_ip2xflags( { xfs_dinode_core_t *dic = &ip->i_d; - return _xfs_dic2xflags(dic, dic->di_flags) | - (XFS_CFORK_Q(dic) ? XFS_XFLAG_HASATTR : 0); + return _xfs_dic2xflags(dic->di_flags) | + (XFS_CFORK_Q(dic) ? XFS_XFLAG_HASATTR : 0); } uint xfs_dic2xflags( xfs_dinode_core_t *dic) { - return _xfs_dic2xflags(dic, INT_GET(dic->di_flags, ARCH_CONVERT)) | - (XFS_CFORK_Q_DISK(dic) ? XFS_XFLAG_HASATTR : 0); + return _xfs_dic2xflags(INT_GET(dic->di_flags, ARCH_CONVERT)) | + (XFS_CFORK_Q_DISK(dic) ? XFS_XFLAG_HASATTR : 0); } /* @@ -1083,7 +1085,7 @@ xfs_ialloc( { xfs_ino_t ino; xfs_inode_t *ip; - vnode_t *vp; + bhv_vnode_t *vp; uint flags; int error; @@ -1221,6 +1223,9 @@ xfs_ialloc( di_flags |= XFS_DIFLAG_NOSYMLINKS; if (pip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) di_flags |= XFS_DIFLAG_PROJINHERIT; + if ((pip->i_d.di_flags & XFS_DIFLAG_NODEFRAG) && + xfs_inherit_nodefrag) + di_flags |= XFS_DIFLAG_NODEFRAG; ip->i_d.di_flags |= di_flags; } /* FALLTHROUGH */ @@ -1244,8 +1249,8 @@ xfs_ialloc( */ xfs_trans_log_inode(tp, ip, flags); - /* now that we have an i_mode we can set Linux inode ops (& unlock) */ - VFS_INIT_VNODE(XFS_MTOVFS(tp->t_mountp), vp, XFS_ITOBHV(ip), 1); + /* now that we have an i_mode we can setup inode ops and unlock */ + bhv_vfs_init_vnode(XFS_MTOVFS(tp->t_mountp), vp, XFS_ITOBHV(ip), 1); *ipp = ip; return 0; @@ -1285,7 +1290,7 @@ xfs_isize_check( (xfs_ufsize_t)XFS_MAXIOFFSET(mp)) - map_first), XFS_BMAPI_ENTIRE, NULL, 0, imaps, &nimaps, - NULL)) + NULL, NULL)) return; ASSERT(nimaps == 1); ASSERT(imaps[0].br_startblock == HOLESTARTBLOCK); @@ -1421,7 +1426,7 @@ xfs_itruncate_start( xfs_fsize_t last_byte; xfs_off_t toss_start; xfs_mount_t *mp; - vnode_t *vp; + bhv_vnode_t *vp; ASSERT(ismrlocked(&ip->i_iolock, MR_UPDATE) != 0); ASSERT((new_size == 0) || (new_size <= ip->i_d.di_size)); @@ -1434,9 +1439,9 @@ xfs_itruncate_start( vn_iowait(vp); /* wait for the completion of any pending DIOs */ /* - * Call VOP_TOSS_PAGES() or VOP_FLUSHINVAL_PAGES() to get rid of pages and buffers + * Call toss_pages or flushinval_pages to get rid of pages * overlapping the region being removed. We have to use - * the less efficient VOP_FLUSHINVAL_PAGES() in the case that the + * the less efficient flushinval_pages in the case that the * caller may not be able to finish the truncate without * dropping the inode's I/O lock. Make sure * to catch any pages brought in by buffers overlapping @@ -1445,10 +1450,10 @@ xfs_itruncate_start( * so that we don't toss things on the same block as * new_size but before it. * - * Before calling VOP_TOSS_PAGES() or VOP_FLUSHINVAL_PAGES(), make sure to + * Before calling toss_page or flushinval_pages, make sure to * call remapf() over the same region if the file is mapped. * This frees up mapped file references to the pages in the - * given range and for the VOP_FLUSHINVAL_PAGES() case it ensures + * given range and for the flushinval_pages case it ensures * that we get the latest mapped changes flushed out. */ toss_start = XFS_B_TO_FSB(mp, (xfs_ufsize_t)new_size); @@ -1466,9 +1471,9 @@ xfs_itruncate_start( last_byte); if (last_byte > toss_start) { if (flags & XFS_ITRUNC_DEFINITE) { - VOP_TOSS_PAGES(vp, toss_start, -1, FI_REMAPF_LOCKED); + bhv_vop_toss_pages(vp, toss_start, -1, FI_REMAPF_LOCKED); } else { - VOP_FLUSHINVAL_PAGES(vp, toss_start, -1, FI_REMAPF_LOCKED); + bhv_vop_flushinval_pages(vp, toss_start, -1, FI_REMAPF_LOCKED); } } @@ -1666,12 +1671,13 @@ xfs_itruncate_finish( * runs. */ XFS_BMAP_INIT(&free_list, &first_block); - error = xfs_bunmapi(ntp, ip, first_unmap_block, - unmap_len, + error = XFS_BUNMAPI(mp, ntp, &ip->i_iocore, + first_unmap_block, unmap_len, XFS_BMAPI_AFLAG(fork) | (sync ? 0 : XFS_BMAPI_ASYNC), XFS_ITRUNC_MAX_EXTENTS, - &first_block, &free_list, &done); + &first_block, &free_list, + NULL, &done); if (error) { /* * If the bunmapi call encounters an error, @@ -2745,13 +2751,14 @@ xfs_iunpin( * the inode to become unpinned. */ if (!(ip->i_flags & (XFS_IRECLAIM|XFS_IRECLAIMABLE))) { - vnode_t *vp = XFS_ITOV_NULL(ip); + bhv_vnode_t *vp = XFS_ITOV_NULL(ip); /* make sync come back and flush this inode */ if (vp) { struct inode *inode = vn_to_inode(vp); - if (!(inode->i_state & I_NEW)) + if (!(inode->i_state & + (I_NEW|I_FREEING|I_CLEAR))) mark_inode_dirty_sync(inode); } } @@ -2916,13 +2923,6 @@ xfs_iflush_fork( ASSERT(ifp->if_bytes <= XFS_IFORK_SIZE(ip, whichfork)); memcpy(cp, ifp->if_u1.if_data, ifp->if_bytes); } - if (whichfork == XFS_DATA_FORK) { - if (unlikely(XFS_DIR_SHORTFORM_VALIDATE_ONDISK(mp, dip))) { - XFS_ERROR_REPORT("xfs_iflush_fork", - XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); - } - } break; case XFS_DINODE_FMT_EXTENTS: @@ -3006,7 +3006,7 @@ xfs_iflush( XFS_STATS_INC(xs_iflush_count); ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE|MR_ACCESS)); - ASSERT(valusema(&ip->i_flock) <= 0); + ASSERT(issemalocked(&(ip->i_flock))); ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE || ip->i_d.di_nextents > ip->i_df.if_ext_max); @@ -3199,7 +3199,7 @@ xfs_iflush( corrupt_out: xfs_buf_relse(bp); - xfs_force_shutdown(mp, XFS_CORRUPT_INCORE); + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); xfs_iflush_abort(ip); /* * Unlocks the flush lock @@ -3221,7 +3221,7 @@ cluster_corrupt_out: xfs_buf_relse(bp); } - xfs_force_shutdown(mp, XFS_CORRUPT_INCORE); + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); if(!bufwasdelwri) { /* @@ -3264,7 +3264,7 @@ xfs_iflush_int( SPLDECL(s); ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE|MR_ACCESS)); - ASSERT(valusema(&ip->i_flock) <= 0); + ASSERT(issemalocked(&(ip->i_flock))); ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE || ip->i_d.di_nextents > ip->i_df.if_ext_max); @@ -3504,7 +3504,7 @@ xfs_iflush_all( xfs_mount_t *mp) { xfs_inode_t *ip; - vnode_t *vp; + bhv_vnode_t *vp; again: XFS_MOUNT_ILOCK(mp); @@ -4180,7 +4180,7 @@ xfs_iext_direct_to_inline( */ memcpy(ifp->if_u2.if_inline_ext, ifp->if_u1.if_extents, nextents * sizeof(xfs_bmbt_rec_t)); - kmem_free(ifp->if_u1.if_extents, KM_SLEEP); + kmem_free(ifp->if_u1.if_extents, ifp->if_real_bytes); ifp->if_u1.if_extents = ifp->if_u2.if_inline_ext; ifp->if_real_bytes = 0; } diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 3b544db..d10b76e 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -102,9 +102,9 @@ typedef struct xfs_ifork { #ifdef __KERNEL__ struct bhv_desc; +struct bhv_vnode; struct cred; struct ktrace; -struct vnode; struct xfs_buf; struct xfs_bmap_free; struct xfs_bmbt_irec; @@ -400,7 +400,7 @@ void xfs_chash_init(struct xfs_mount *); void xfs_chash_free(struct xfs_mount *); xfs_inode_t *xfs_inode_incore(struct xfs_mount *, xfs_ino_t, struct xfs_trans *); -void xfs_inode_lock_init(xfs_inode_t *, struct vnode *); +void xfs_inode_lock_init(xfs_inode_t *, struct bhv_vnode *); int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, uint, uint, xfs_inode_t **, xfs_daddr_t); void xfs_iput(xfs_inode_t *, uint); @@ -461,7 +461,7 @@ void xfs_ichgtime(xfs_inode_t *, int); xfs_fsize_t xfs_file_last_byte(xfs_inode_t *); void xfs_lock_inodes(xfs_inode_t **, int, int, uint); -xfs_inode_t *xfs_vtoi(struct vnode *vp); +xfs_inode_t *xfs_vtoi(struct bhv_vnode *vp); void xfs_synchronize_atime(xfs_inode_t *); @@ -509,7 +509,6 @@ extern struct kmem_zone *xfs_chashlist_zone; extern struct kmem_zone *xfs_ifork_zone; extern struct kmem_zone *xfs_inode_zone; extern struct kmem_zone *xfs_ili_zone; -extern struct vnodeops xfs_vnodeops; #endif /* __KERNEL__ */ diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index 7497a48..f8e80d8 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -25,7 +25,6 @@ #include "xfs_buf_item.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -33,7 +32,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -794,7 +792,7 @@ xfs_inode_item_pushbuf( * inode flush completed and the inode was taken off the AIL. * So, just get out. */ - if ((valusema(&(ip->i_flock)) > 0) || + if (!issemalocked(&(ip->i_flock)) || ((iip->ili_item.li_flags & XFS_LI_IN_AIL) == 0)) { iip->ili_pushbuf_flag = 0; xfs_iunlock(ip, XFS_ILOCK_SHARED); @@ -816,7 +814,7 @@ xfs_inode_item_pushbuf( * If not, we can flush it async. */ dopush = ((iip->ili_item.li_flags & XFS_LI_IN_AIL) && - (valusema(&(ip->i_flock)) <= 0)); + issemalocked(&(ip->i_flock))); iip->ili_pushbuf_flag = 0; xfs_iunlock(ip, XFS_ILOCK_SHARED); xfs_buftrace("INODE ITEM PUSH", bp); @@ -864,7 +862,7 @@ xfs_inode_item_push( ip = iip->ili_inode; ASSERT(ismrlocked(&(ip->i_lock), MR_ACCESS)); - ASSERT(valusema(&(ip->i_flock)) <= 0); + ASSERT(issemalocked(&(ip->i_flock))); /* * Since we were able to lock the inode's flush lock and * we found it on the AIL, the inode must be dirty. This @@ -1084,3 +1082,52 @@ xfs_istale_done( { xfs_iflush_abort(iip->ili_inode); } + +/* + * convert an xfs_inode_log_format struct from either 32 or 64 bit versions + * (which can have different field alignments) to the native version + */ +int +xfs_inode_item_format_convert( + xfs_log_iovec_t *buf, + xfs_inode_log_format_t *in_f) +{ + if (buf->i_len == sizeof(xfs_inode_log_format_32_t)) { + xfs_inode_log_format_32_t *in_f32; + + in_f32 = (xfs_inode_log_format_32_t *)buf->i_addr; + in_f->ilf_type = in_f32->ilf_type; + in_f->ilf_size = in_f32->ilf_size; + in_f->ilf_fields = in_f32->ilf_fields; + in_f->ilf_asize = in_f32->ilf_asize; + in_f->ilf_dsize = in_f32->ilf_dsize; + in_f->ilf_ino = in_f32->ilf_ino; + /* copy biggest field of ilf_u */ + memcpy(in_f->ilf_u.ilfu_uuid.__u_bits, + in_f32->ilf_u.ilfu_uuid.__u_bits, + sizeof(uuid_t)); + in_f->ilf_blkno = in_f32->ilf_blkno; + in_f->ilf_len = in_f32->ilf_len; + in_f->ilf_boffset = in_f32->ilf_boffset; + return 0; + } else if (buf->i_len == sizeof(xfs_inode_log_format_64_t)){ + xfs_inode_log_format_64_t *in_f64; + + in_f64 = (xfs_inode_log_format_64_t *)buf->i_addr; + in_f->ilf_type = in_f64->ilf_type; + in_f->ilf_size = in_f64->ilf_size; + in_f->ilf_fields = in_f64->ilf_fields; + in_f->ilf_asize = in_f64->ilf_asize; + in_f->ilf_dsize = in_f64->ilf_dsize; + in_f->ilf_ino = in_f64->ilf_ino; + /* copy biggest field of ilf_u */ + memcpy(in_f->ilf_u.ilfu_uuid.__u_bits, + in_f64->ilf_u.ilfu_uuid.__u_bits, + sizeof(uuid_t)); + in_f->ilf_blkno = in_f64->ilf_blkno; + in_f->ilf_len = in_f64->ilf_len; + in_f->ilf_boffset = in_f64->ilf_boffset; + return 0; + } + return EFSCORRUPTED; +} diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h index c5dbf93..5db6cd1 100644 --- a/fs/xfs/xfs_inode_item.h +++ b/fs/xfs/xfs_inode_item.h @@ -23,25 +23,6 @@ * log. The size of the inline data/extents/b-tree root to be logged * (if any) is indicated in the ilf_dsize field. Changes to this structure * must be added on to the end. - * - * Convention for naming inode log item versions : The current version - * is always named XFS_LI_INODE. When an inode log item gets superseded, - * add the latest version of IRIX that will generate logs with that item - * to the version name. - * - * -Version 1 of this structure (XFS_LI_5_3_INODE) included up to the first - * union (ilf_u) field. This was released with IRIX 5.3-XFS. - * -Version 2 of this structure (XFS_LI_6_1_INODE) is currently the entire - * structure. This was released with IRIX 6.0.1-XFS and IRIX 6.1. - * -Version 3 of this structure (XFS_LI_INODE) is the same as version 2 - * so a new structure definition wasn't necessary. However, we had - * to add a new type because the inode cluster size changed from 4K - * to 8K and the version number had to be rev'ved to keep older kernels - * from trying to recover logs with the 8K buffers in them. The logging - * code can handle recovery on different-sized clusters now so hopefully - * this'll be the last time we need to change the inode log item just - * for a change in the inode cluster size. This new version was - * released with IRIX 6.2. */ typedef struct xfs_inode_log_format { unsigned short ilf_type; /* inode log item type */ @@ -59,18 +40,38 @@ typedef struct xfs_inode_log_format { int ilf_boffset; /* off of inode in buffer */ } xfs_inode_log_format_t; -/* Initial version shipped with IRIX 5.3-XFS */ -typedef struct xfs_inode_log_format_v1 { - unsigned short ilf_type; /* inode log item type */ - unsigned short ilf_size; /* size of this item */ - uint ilf_fields; /* flags for fields logged */ - uint ilf_dsize; /* size of data/ext/root */ - xfs_ino_t ilf_ino; /* inode number */ +typedef struct xfs_inode_log_format_32 { + unsigned short ilf_type; /* 16: inode log item type */ + unsigned short ilf_size; /* 16: size of this item */ + uint ilf_fields; /* 32: flags for fields logged */ + ushort ilf_asize; /* 32: size of attr d/ext/root */ + ushort ilf_dsize; /* 32: size of data/ext/root */ + xfs_ino_t ilf_ino; /* 64: inode number */ union { - xfs_dev_t ilfu_rdev; /* rdev value for dev inode*/ - uuid_t ilfu_uuid; /* mount point value */ + xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/ + uuid_t ilfu_uuid; /* 128: mount point value */ + } ilf_u; + __int64_t ilf_blkno; /* 64: blkno of inode buffer */ + int ilf_len; /* 32: len of inode buffer */ + int ilf_boffset; /* 32: off of inode in buffer */ +} __attribute__((packed)) xfs_inode_log_format_32_t; + +typedef struct xfs_inode_log_format_64 { + unsigned short ilf_type; /* 16: inode log item type */ + unsigned short ilf_size; /* 16: size of this item */ + uint ilf_fields; /* 32: flags for fields logged */ + ushort ilf_asize; /* 32: size of attr d/ext/root */ + ushort ilf_dsize; /* 32: size of data/ext/root */ + __uint32_t ilf_pad; /* 32: pad for 64 bit boundary */ + xfs_ino_t ilf_ino; /* 64: inode number */ + union { + xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/ + uuid_t ilfu_uuid; /* 128: mount point value */ } ilf_u; -} xfs_inode_log_format_t_v1; + __int64_t ilf_blkno; /* 64: blkno of inode buffer */ + int ilf_len; /* 32: len of inode buffer */ + int ilf_boffset; /* 32: off of inode in buffer */ +} xfs_inode_log_format_64_t; /* * Flags for xfs_trans_log_inode flags field. @@ -172,6 +173,8 @@ extern void xfs_inode_item_destroy(struct xfs_inode *); extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *); extern void xfs_istale_done(struct xfs_buf *, xfs_inode_log_item_t *); extern void xfs_iflush_abort(struct xfs_inode *); +extern int xfs_inode_item_format_convert(xfs_log_iovec_t *, + xfs_inode_log_format_t *); #endif /* __KERNEL__ */ diff --git a/fs/xfs/xfs_iocore.c b/fs/xfs/xfs_iocore.c index a078156..06d710c 100644 --- a/fs/xfs/xfs_iocore.c +++ b/fs/xfs/xfs_iocore.c @@ -24,14 +24,13 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" +#include "xfs_dfrag.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -58,7 +57,7 @@ xfs_size_fn( STATIC int xfs_ioinit( - struct vfs *vfsp, + struct bhv_vfs *vfsp, struct xfs_mount_args *mntargs, int flags) { @@ -68,6 +67,7 @@ xfs_ioinit( xfs_ioops_t xfs_iocore_xfs = { .xfs_ioinit = (xfs_ioinit_t) xfs_ioinit, .xfs_bmapi_func = (xfs_bmapi_t) xfs_bmapi, + .xfs_bunmapi_func = (xfs_bunmapi_t) xfs_bunmapi, .xfs_bmap_eof_func = (xfs_bmap_eof_t) xfs_bmap_eof, .xfs_iomap_write_direct = (xfs_iomap_write_direct_t) xfs_iomap_write_direct, @@ -84,6 +84,7 @@ xfs_ioops_t xfs_iocore_xfs = { .xfs_unlock = (xfs_unlk_t) xfs_iunlock, .xfs_size_func = (xfs_size_t) xfs_size_fn, .xfs_iodone = (xfs_iodone_t) fs_noerr, + .xfs_swap_extents_func = (xfs_swap_extents_t) xfs_swap_extents, }; void diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index d5dfedc..f1949c1 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -252,7 +250,7 @@ xfs_iomap( error = XFS_BMAPI(mp, NULL, io, offset_fsb, (xfs_filblks_t)(end_fsb - offset_fsb), bmapi_flags, NULL, 0, &imap, - &nimaps, NULL); + &nimaps, NULL, NULL); if (error) goto out; @@ -519,8 +517,8 @@ xfs_iomap_write_direct( */ XFS_BMAP_INIT(&free_list, &firstfsb); nimaps = 1; - error = xfs_bmapi(tp, ip, offset_fsb, count_fsb, - bmapi_flag, &firstfsb, 0, &imap, &nimaps, &free_list); + error = XFS_BMAPI(mp, tp, io, offset_fsb, count_fsb, bmapi_flag, + &firstfsb, 0, &imap, &nimaps, &free_list, NULL); if (error) goto error0; @@ -610,8 +608,8 @@ xfs_iomap_eof_want_preallocate( while (count_fsb > 0) { imaps = nimaps; firstblock = NULLFSBLOCK; - error = XFS_BMAPI(mp, NULL, io, start_fsb, count_fsb, - 0, &firstblock, 0, imap, &imaps, NULL); + error = XFS_BMAPI(mp, NULL, io, start_fsb, count_fsb, 0, + &firstblock, 0, imap, &imaps, NULL, NULL); if (error) return error; for (n = 0; n < imaps; n++) { @@ -695,11 +693,11 @@ retry: nimaps = XFS_WRITE_IMAPS; firstblock = NULLFSBLOCK; - error = xfs_bmapi(NULL, ip, offset_fsb, + error = XFS_BMAPI(mp, NULL, io, offset_fsb, (xfs_filblks_t)(last_fsb - offset_fsb), XFS_BMAPI_DELAY | XFS_BMAPI_WRITE | XFS_BMAPI_ENTIRE, &firstblock, 1, imap, - &nimaps, NULL); + &nimaps, NULL, NULL); if (error && (error != ENOSPC)) return XFS_ERROR(error); @@ -832,9 +830,9 @@ xfs_iomap_write_allocate( } /* Go get the actual blocks */ - error = xfs_bmapi(tp, ip, map_start_fsb, count_fsb, + error = XFS_BMAPI(mp, tp, io, map_start_fsb, count_fsb, XFS_BMAPI_WRITE, &first_block, 1, - imap, &nimaps, &free_list); + imap, &nimaps, &free_list, NULL); if (error) goto trans_cancel; @@ -955,9 +953,9 @@ xfs_iomap_write_unwritten( */ XFS_BMAP_INIT(&free_list, &firstfsb); nimaps = 1; - error = xfs_bmapi(tp, ip, offset_fsb, count_fsb, + error = XFS_BMAPI(mp, tp, io, offset_fsb, count_fsb, XFS_BMAPI_WRITE|XFS_BMAPI_CONVERT, &firstfsb, - 1, &imap, &nimaps, &free_list); + 1, &imap, &nimaps, &free_list, NULL); if (error) goto error_on_bmapi_transaction; diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 94068d0..46249e4 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -41,11 +39,6 @@ #include "xfs_error.h" #include "xfs_btree.h" -#ifndef HAVE_USERACC -#define useracc(ubuffer, size, flags, foo) (0) -#define unuseracc(ubuffer, size, flags) -#endif - STATIC int xfs_bulkstat_one_iget( xfs_mount_t *mp, /* mount point for filesystem */ @@ -56,7 +49,7 @@ xfs_bulkstat_one_iget( { xfs_dinode_core_t *dic; /* dinode core info pointer */ xfs_inode_t *ip; /* incore inode pointer */ - vnode_t *vp; + bhv_vnode_t *vp; int error; error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_SHARED, &ip, bno); @@ -336,15 +329,6 @@ xfs_bulkstat( nimask = ~(nicluster - 1); nbcluster = nicluster >> mp->m_sb.sb_inopblog; /* - * Lock down the user's buffer. If a buffer was not sent, as in the case - * disk quota code calls here, we skip this. - */ - if (ubuffer && - (error = useracc(ubuffer, ubcount * statstruct_size, - (B_READ|B_PHYS), NULL))) { - return error; - } - /* * Allocate a page-sized buffer for inode btree records. * We could try allocating something smaller, but for normal * calls we'll always (potentially) need the whole page. @@ -650,8 +634,6 @@ xfs_bulkstat( * Done, we're either out of filesystem or space to put the data. */ kmem_free(irbuf, NBPC); - if (ubuffer) - unuseracc(ubuffer, ubcount * statstruct_size, (B_READ|B_PHYS)); *ubcountp = ubelem; if (agno >= mp->m_sb.sb_agcount) { /* diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h index 11eb4e1..be5f12e 100644 --- a/fs/xfs/xfs_itable.h +++ b/fs/xfs/xfs_itable.h @@ -45,7 +45,6 @@ typedef int (*bulkstat_one_pf)(struct xfs_mount *mp, */ #define BULKSTAT_FG_IGET 0x1 /* Go through the buffer cache */ #define BULKSTAT_FG_QUICK 0x2 /* No iget, walk the dinode cluster */ -#define BULKSTAT_FG_VFSLOCKED 0x4 /* Already have vfs lock */ /* * Return stat information in bulk (by-inode) for the filesystem. diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 32e841d..d8f5d4c 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -24,7 +24,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -36,7 +35,6 @@ #include "xfs_ialloc_btree.h" #include "xfs_log_recover.h" #include "xfs_trans_priv.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -402,7 +400,7 @@ xfs_log_release_iclog(xfs_mount_t *mp, xlog_in_core_t *iclog = (xlog_in_core_t *)iclog_hndl; if (xlog_state_release_iclog(log, iclog)) { - xfs_force_shutdown(mp, XFS_LOG_IO_ERROR); + xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR); return EIO; } @@ -498,9 +496,8 @@ xfs_log_mount(xfs_mount_t *mp, * just worked. */ if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) { - int error; - vfs_t *vfsp = XFS_MTOVFS(mp); - int readonly = (vfsp->vfs_flag & VFS_RDONLY); + bhv_vfs_t *vfsp = XFS_MTOVFS(mp); + int error, readonly = (vfsp->vfs_flag & VFS_RDONLY); if (readonly) vfsp->vfs_flag &= ~VFS_RDONLY; @@ -726,7 +723,7 @@ xfs_log_write(xfs_mount_t * mp, return XFS_ERROR(EIO); if ((error = xlog_write(mp, reg, nentries, tic, start_lsn, NULL, 0))) { - xfs_force_shutdown(mp, XFS_LOG_IO_ERROR); + xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR); } return error; } /* xfs_log_write */ @@ -816,9 +813,9 @@ xfs_log_need_covered(xfs_mount_t *mp) SPLDECL(s); int needed = 0, gen; xlog_t *log = mp->m_log; - vfs_t *vfsp = XFS_MTOVFS(mp); + bhv_vfs_t *vfsp = XFS_MTOVFS(mp); - if (fs_frozen(vfsp) || XFS_FORCED_SHUTDOWN(mp) || + if (vfs_test_for_freeze(vfsp) || XFS_FORCED_SHUTDOWN(mp) || (vfsp->vfs_flag & VFS_RDONLY)) return 0; @@ -956,7 +953,7 @@ xlog_iodone(xfs_buf_t *bp) XFS_ERRTAG_IODONE_IOERR, XFS_RANDOM_IODONE_IOERR)) { xfs_ioerror_alert("xlog_iodone", l->l_mp, bp, XFS_BUF_ADDR(bp)); XFS_BUF_STALE(bp); - xfs_force_shutdown(l->l_mp, XFS_LOG_IO_ERROR); + xfs_force_shutdown(l->l_mp, SHUTDOWN_LOG_IO_ERROR); /* * This flag will be propagated to the trans-committed * callback routines to let them know that the log-commit @@ -1261,7 +1258,7 @@ xlog_commit_record(xfs_mount_t *mp, ASSERT_ALWAYS(iclog); if ((error = xlog_write(mp, reg, 1, ticket, commitlsnp, iclog, XLOG_COMMIT_TRANS))) { - xfs_force_shutdown(mp, XFS_LOG_IO_ERROR); + xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR); } return error; } /* xlog_commit_record */ @@ -1790,7 +1787,7 @@ xlog_write(xfs_mount_t * mp, xfs_cmn_err(XFS_PTAG_LOGRES, CE_ALERT, mp, "xfs_log_write: reservation ran out. Need to up reservation"); /* If we did not panic, shutdown the filesystem */ - xfs_force_shutdown(mp, XFS_CORRUPT_INCORE); + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); #endif } else ticket->t_curr_res -= len; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 1f0016b..55b4237 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -24,7 +24,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -193,14 +191,14 @@ xlog_header_check_dump( { int b; - printk("%s: SB : uuid = ", __FUNCTION__); + cmn_err(CE_DEBUG, "%s: SB : uuid = ", __FUNCTION__); for (b = 0; b < 16; b++) - printk("%02x",((unsigned char *)&mp->m_sb.sb_uuid)[b]); - printk(", fmt = %d\n", XLOG_FMT); - printk(" log : uuid = "); + cmn_err(CE_DEBUG, "%02x", ((uchar_t *)&mp->m_sb.sb_uuid)[b]); + cmn_err(CE_DEBUG, ", fmt = %d\n", XLOG_FMT); + cmn_err(CE_DEBUG, " log : uuid = "); for (b = 0; b < 16; b++) - printk("%02x",((unsigned char *)&head->h_fs_uuid)[b]); - printk(", fmt = %d\n", INT_GET(head->h_fmt, ARCH_CONVERT)); + cmn_err(CE_DEBUG, "%02x",((uchar_t *)&head->h_fs_uuid)[b]); + cmn_err(CE_DEBUG, ", fmt = %d\n", INT_GET(head->h_fmt, ARCH_CONVERT)); } #else #define xlog_header_check_dump(mp, head) @@ -282,7 +280,7 @@ xlog_recover_iodone( mp = XFS_BUF_FSPRIVATE(bp, xfs_mount_t *); xfs_ioerror_alert("xlog_recover_iodone", mp, bp, XFS_BUF_ADDR(bp)); - xfs_force_shutdown(mp, XFS_METADATA_IO_ERROR); + xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR); } XFS_BUF_SET_FSPRIVATE(bp, NULL); XFS_BUF_CLR_IODONE_FUNC(bp); @@ -1889,7 +1887,7 @@ xlog_recover_do_inode_buffer( buffer_nextp = (xfs_agino_t *)xfs_buf_offset(bp, next_unlinked_offset); - INT_SET(*buffer_nextp, ARCH_CONVERT, *logged_nextp); + *buffer_nextp = *logged_nextp; } return 0; @@ -2292,12 +2290,22 @@ xlog_recover_do_inode_trans( int attr_index; uint fields; xfs_dinode_core_t *dicp; + int need_free = 0; if (pass == XLOG_RECOVER_PASS1) { return 0; } - in_f = (xfs_inode_log_format_t *)item->ri_buf[0].i_addr; + if (item->ri_buf[0].i_len == sizeof(xfs_inode_log_format_t)) { + in_f = (xfs_inode_log_format_t *)item->ri_buf[0].i_addr; + } else { + in_f = (xfs_inode_log_format_t *)kmem_alloc( + sizeof(xfs_inode_log_format_t), KM_SLEEP); + need_free = 1; + error = xfs_inode_item_format_convert(&item->ri_buf[0], in_f); + if (error) + goto error; + } ino = in_f->ilf_ino; mp = log->l_mp; if (ITEM_TYPE(item) == XFS_LI_INODE) { @@ -2323,8 +2331,10 @@ xlog_recover_do_inode_trans( * Inode buffers can be freed, look out for it, * and do not replay the inode. */ - if (xlog_check_buffer_cancelled(log, imap.im_blkno, imap.im_len, 0)) - return 0; + if (xlog_check_buffer_cancelled(log, imap.im_blkno, imap.im_len, 0)) { + error = 0; + goto error; + } bp = xfs_buf_read_flags(mp->m_ddev_targp, imap.im_blkno, imap.im_len, XFS_BUF_LOCK); @@ -2333,7 +2343,7 @@ xlog_recover_do_inode_trans( bp, imap.im_blkno); error = XFS_BUF_GETERROR(bp); xfs_buf_relse(bp); - return error; + goto error; } error = 0; ASSERT(in_f->ilf_fields & XFS_ILOG_CORE); @@ -2350,7 +2360,8 @@ xlog_recover_do_inode_trans( dip, bp, ino); XFS_ERROR_REPORT("xlog_recover_do_inode_trans(1)", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; + goto error; } dicp = (xfs_dinode_core_t*)(item->ri_buf[1].i_addr); if (unlikely(dicp->di_magic != XFS_DINODE_MAGIC)) { @@ -2360,7 +2371,8 @@ xlog_recover_do_inode_trans( item, ino); XFS_ERROR_REPORT("xlog_recover_do_inode_trans(2)", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; + goto error; } /* Skip replay when the on disk inode is newer than the log one */ @@ -2376,7 +2388,8 @@ xlog_recover_do_inode_trans( /* do nothing */ } else { xfs_buf_relse(bp); - return 0; + error = 0; + goto error; } } /* Take the opportunity to reset the flush iteration count */ @@ -2391,7 +2404,8 @@ xlog_recover_do_inode_trans( xfs_fs_cmn_err(CE_ALERT, mp, "xfs_inode_recover: Bad regular inode log record, rec ptr 0x%p, ino ptr = 0x%p, ino bp = 0x%p, ino %Ld", item, dip, bp, ino); - return XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; + goto error; } } else if (unlikely((dicp->di_mode & S_IFMT) == S_IFDIR)) { if ((dicp->di_format != XFS_DINODE_FMT_EXTENTS) && @@ -2403,7 +2417,8 @@ xlog_recover_do_inode_trans( xfs_fs_cmn_err(CE_ALERT, mp, "xfs_inode_recover: Bad dir inode log record, rec ptr 0x%p, ino ptr = 0x%p, ino bp = 0x%p, ino %Ld", item, dip, bp, ino); - return XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; + goto error; } } if (unlikely(dicp->di_nextents + dicp->di_anextents > dicp->di_nblocks)){ @@ -2415,7 +2430,8 @@ xlog_recover_do_inode_trans( item, dip, bp, ino, dicp->di_nextents + dicp->di_anextents, dicp->di_nblocks); - return XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; + goto error; } if (unlikely(dicp->di_forkoff > mp->m_sb.sb_inodesize)) { XFS_CORRUPTION_ERROR("xlog_recover_do_inode_trans(6)", @@ -2424,7 +2440,8 @@ xlog_recover_do_inode_trans( xfs_fs_cmn_err(CE_ALERT, mp, "xfs_inode_recover: Bad inode log rec ptr 0x%p, dino ptr 0x%p, dino bp 0x%p, ino %Ld, forkoff 0x%x", item, dip, bp, ino, dicp->di_forkoff); - return XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; + goto error; } if (unlikely(item->ri_buf[1].i_len > sizeof(xfs_dinode_core_t))) { XFS_CORRUPTION_ERROR("xlog_recover_do_inode_trans(7)", @@ -2433,7 +2450,8 @@ xlog_recover_do_inode_trans( xfs_fs_cmn_err(CE_ALERT, mp, "xfs_inode_recover: Bad inode log record length %d, rec ptr 0x%p", item->ri_buf[1].i_len, item); - return XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; + goto error; } /* The core is in in-core format */ @@ -2521,7 +2539,8 @@ xlog_recover_do_inode_trans( xlog_warn("XFS: xlog_recover_do_inode_trans: Invalid flag"); ASSERT(0); xfs_buf_relse(bp); - return XFS_ERROR(EIO); + error = EIO; + goto error; } } @@ -2537,7 +2556,10 @@ write_inode_buffer: error = xfs_bwrite(mp, bp); } - return (error); +error: + if (need_free) + kmem_free(in_f, sizeof(*in_f)); + return XFS_ERROR(error); } /* @@ -2674,32 +2696,32 @@ xlog_recover_do_dquot_trans( * structure into it, and adds the efi to the AIL with the given * LSN. */ -STATIC void +STATIC int xlog_recover_do_efi_trans( xlog_t *log, xlog_recover_item_t *item, xfs_lsn_t lsn, int pass) { + int error; xfs_mount_t *mp; xfs_efi_log_item_t *efip; xfs_efi_log_format_t *efi_formatp; SPLDECL(s); if (pass == XLOG_RECOVER_PASS1) { - return; + return 0; } efi_formatp = (xfs_efi_log_format_t *)item->ri_buf[0].i_addr; - ASSERT(item->ri_buf[0].i_len == - (sizeof(xfs_efi_log_format_t) + - ((efi_formatp->efi_nextents - 1) * sizeof(xfs_extent_t)))); mp = log->l_mp; efip = xfs_efi_init(mp, efi_formatp->efi_nextents); - memcpy((char *)&(efip->efi_format), (char *)efi_formatp, - sizeof(xfs_efi_log_format_t) + - ((efi_formatp->efi_nextents - 1) * sizeof(xfs_extent_t))); + if ((error = xfs_efi_copy_format(&(item->ri_buf[0]), + &(efip->efi_format)))) { + xfs_efi_item_free(efip); + return error; + } efip->efi_next_extent = efi_formatp->efi_nextents; efip->efi_flags |= XFS_EFI_COMMITTED; @@ -2708,6 +2730,7 @@ xlog_recover_do_efi_trans( * xfs_trans_update_ail() drops the AIL lock. */ xfs_trans_update_ail(mp, (xfs_log_item_t *)efip, lsn, s); + return 0; } @@ -2738,9 +2761,10 @@ xlog_recover_do_efd_trans( } efd_formatp = (xfs_efd_log_format_t *)item->ri_buf[0].i_addr; - ASSERT(item->ri_buf[0].i_len == - (sizeof(xfs_efd_log_format_t) + - ((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_t)))); + ASSERT((item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_32_t) + + ((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_32_t)))) || + (item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_64_t) + + ((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_64_t))))); efi_id = efd_formatp->efd_efi_id; /* @@ -2810,15 +2834,14 @@ xlog_recover_do_trans( if ((error = xlog_recover_do_buffer_trans(log, item, pass))) break; - } else if ((ITEM_TYPE(item) == XFS_LI_INODE) || - (ITEM_TYPE(item) == XFS_LI_6_1_INODE) || - (ITEM_TYPE(item) == XFS_LI_5_3_INODE)) { + } else if ((ITEM_TYPE(item) == XFS_LI_INODE)) { if ((error = xlog_recover_do_inode_trans(log, item, pass))) break; } else if (ITEM_TYPE(item) == XFS_LI_EFI) { - xlog_recover_do_efi_trans(log, item, trans->r_lsn, - pass); + if ((error = xlog_recover_do_efi_trans(log, item, trans->r_lsn, + pass))) + break; } else if (ITEM_TYPE(item) == XFS_LI_EFD) { xlog_recover_do_efd_trans(log, item, pass); } else if (ITEM_TYPE(item) == XFS_LI_DQUOT) { @@ -3419,13 +3442,13 @@ xlog_unpack_data_checksum( if (rhead->h_chksum || ((log->l_flags & XLOG_CHKSUM_MISMATCH) == 0)) { cmn_err(CE_DEBUG, - "XFS: LogR chksum mismatch: was (0x%x) is (0x%x)", + "XFS: LogR chksum mismatch: was (0x%x) is (0x%x)\n", INT_GET(rhead->h_chksum, ARCH_CONVERT), chksum); cmn_err(CE_DEBUG, "XFS: Disregard message if filesystem was created with non-DEBUG kernel"); if (XFS_SB_VERSION_HASLOGV2(&log->l_mp->m_sb)) { cmn_err(CE_DEBUG, - "XFS: LogR this is a LogV2 filesystem"); + "XFS: LogR this is a LogV2 filesystem\n"); } log->l_flags |= XLOG_CHKSUM_MISMATCH; } @@ -3798,7 +3821,7 @@ xlog_do_log_recovery( error = xlog_do_recovery_pass(log, head_blk, tail_blk, XLOG_RECOVER_PASS2); #ifdef DEBUG - { + if (!error) { int i; for (i = 0; i < XLOG_BC_TABLE_SIZE; i++) @@ -3974,7 +3997,7 @@ xlog_recover_finish( log->l_flags &= ~XLOG_RECOVERY_NEEDED; } else { cmn_err(CE_DEBUG, - "!Ending clean XFS mount for filesystem: %s", + "!Ending clean XFS mount for filesystem: %s\n", log->l_mp->m_fsname); } return 0; diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index c0b1c29..10dbf20 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -196,7 +194,7 @@ xfs_mount_free( kmem_free(mp->m_logname, strlen(mp->m_logname) + 1); if (remove_bhv) { - struct vfs *vfsp = XFS_MTOVFS(mp); + struct bhv_vfs *vfsp = XFS_MTOVFS(mp); bhv_remove_all_vfsops(vfsp, 0); VFS_REMOVEBHV(vfsp, &mp->m_bhv); @@ -337,7 +335,7 @@ xfs_mount_validate_sb( xfs_agnumber_t xfs_initialize_perag( - struct vfs *vfs, + bhv_vfs_t *vfs, xfs_mount_t *mp, xfs_agnumber_t agcount) { @@ -651,14 +649,14 @@ xfs_mount_common(xfs_mount_t *mp, xfs_sb_t *sbp) */ int xfs_mountfs( - vfs_t *vfsp, + bhv_vfs_t *vfsp, xfs_mount_t *mp, int mfsi_flags) { xfs_buf_t *bp; xfs_sb_t *sbp = &(mp->m_sb); xfs_inode_t *rip; - vnode_t *rvp = NULL; + bhv_vnode_t *rvp = NULL; int readio_log, writeio_log; xfs_daddr_t d; __uint64_t ret64; @@ -934,18 +932,7 @@ xfs_mountfs( vfsp->vfs_altfsid = (xfs_fsid_t *)mp->m_fixedfsid; mp->m_dmevmask = 0; /* not persistent; set after each mount */ - /* - * Select the right directory manager. - */ - mp->m_dirops = - XFS_SB_VERSION_HASDIRV2(&mp->m_sb) ? - xfsv2_dirops : - xfsv1_dirops; - - /* - * Initialize directory manager's entries. - */ - XFS_DIR_MOUNT(mp); + xfs_dir_mount(mp); /* * Initialize the attribute manager's entries. @@ -1006,8 +993,9 @@ xfs_mountfs( if (unlikely((rip->i_d.di_mode & S_IFMT) != S_IFDIR)) { cmn_err(CE_WARN, "XFS: corrupted root inode"); - prdev("Root inode %llu is not a directory", - mp->m_ddev_targp, (unsigned long long)rip->i_ino); + cmn_err(CE_WARN, "Device %s - root %llu is not a directory", + XFS_BUFTARG_NAME(mp->m_ddev_targp), + (unsigned long long)rip->i_ino); xfs_iunlock(rip, XFS_ILOCK_EXCL); XFS_ERROR_REPORT("xfs_mountfs_int(2)", XFS_ERRLEVEL_LOW, mp); @@ -1094,7 +1082,7 @@ xfs_mountfs( int xfs_unmountfs(xfs_mount_t *mp, struct cred *cr) { - struct vfs *vfsp = XFS_MTOVFS(mp); + struct bhv_vfs *vfsp = XFS_MTOVFS(mp); #if defined(DEBUG) || defined(INDUCE_IO_ERROR) int64_t fsid; #endif @@ -1254,6 +1242,26 @@ xfs_mod_sb(xfs_trans_t *tp, __int64_t fields) xfs_trans_log_buf(tp, bp, first, last); } + +/* + * In order to avoid ENOSPC-related deadlock caused by + * out-of-order locking of AGF buffer (PV 947395), we place + * constraints on the relationship among actual allocations for + * data blocks, freelist blocks, and potential file data bmap + * btree blocks. However, these restrictions may result in no + * actual space allocated for a delayed extent, for example, a data + * block in a certain AG is allocated but there is no additional + * block for the additional bmap btree block due to a split of the + * bmap btree of the file. The result of this may lead to an + * infinite loop in xfssyncd when the file gets flushed to disk and + * all delayed extents need to be actually allocated. To get around + * this, we explicitly set aside a few blocks which will not be + * reserved in delayed allocation. Considering the minimum number of + * needed freelist blocks is 4 fsbs, a potential split of file's bmap + * btree requires 1 fsb, so we set the number of set-aside blocks to 8. +*/ +#define SET_ASIDE_BLOCKS 8 + /* * xfs_mod_incore_sb_unlocked() is a utility routine common used to apply * a delta to a specified field in the in-core superblock. Simply @@ -1298,7 +1306,7 @@ xfs_mod_incore_sb_unlocked(xfs_mount_t *mp, xfs_sb_field_t field, return 0; case XFS_SBS_FDBLOCKS: - lcounter = (long long)mp->m_sb.sb_fdblocks; + lcounter = (long long)mp->m_sb.sb_fdblocks - SET_ASIDE_BLOCKS; res_used = (long long)(mp->m_resblks - mp->m_resblks_avail); if (delta > 0) { /* Putting blocks back */ @@ -1332,7 +1340,7 @@ xfs_mod_incore_sb_unlocked(xfs_mount_t *mp, xfs_sb_field_t field, } } - mp->m_sb.sb_fdblocks = lcounter; + mp->m_sb.sb_fdblocks = lcounter + SET_ASIDE_BLOCKS; return 0; case XFS_SBS_FREXTENTS: lcounter = (long long)mp->m_sb.sb_frextents; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 668ad23..b2bd4be 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -53,8 +53,8 @@ typedef struct xfs_trans_reservations { #else struct cred; struct log; -struct vfs; -struct vnode; +struct bhv_vfs; +struct bhv_vnode; struct xfs_mount_args; struct xfs_ihash; struct xfs_chash; @@ -63,9 +63,11 @@ struct xfs_perag; struct xfs_iocore; struct xfs_bmbt_irec; struct xfs_bmap_free; +struct xfs_extdelta; +struct xfs_swapext; -extern struct vfsops xfs_vfsops; -extern struct vnodeops xfs_vnodeops; +extern struct bhv_vfsops xfs_vfsops; +extern struct bhv_vnodeops xfs_vnodeops; #define AIL_LOCK_T lock_t #define AIL_LOCKINIT(x,y) spinlock_init(x,y) @@ -78,15 +80,15 @@ extern struct vnodeops xfs_vnodeops; * Prototypes and functions for the Data Migration subsystem. */ -typedef int (*xfs_send_data_t)(int, struct vnode *, - xfs_off_t, size_t, int, vrwlock_t *); +typedef int (*xfs_send_data_t)(int, struct bhv_vnode *, + xfs_off_t, size_t, int, bhv_vrwlock_t *); typedef int (*xfs_send_mmap_t)(struct vm_area_struct *, uint); -typedef int (*xfs_send_destroy_t)(struct vnode *, dm_right_t); -typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct vfs *, - struct vnode *, - dm_right_t, struct vnode *, dm_right_t, +typedef int (*xfs_send_destroy_t)(struct bhv_vnode *, dm_right_t); +typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct bhv_vfs *, + struct bhv_vnode *, + dm_right_t, struct bhv_vnode *, dm_right_t, char *, char *, mode_t, int, int); -typedef void (*xfs_send_unmount_t)(struct vfs *, struct vnode *, +typedef void (*xfs_send_unmount_t)(struct bhv_vfs *, struct bhv_vnode *, dm_right_t, mode_t, int, int); typedef struct xfs_dmops { @@ -188,13 +190,18 @@ typedef struct xfs_qmops { * Prototypes and functions for I/O core modularization. */ -typedef int (*xfs_ioinit_t)(struct vfs *, +typedef int (*xfs_ioinit_t)(struct bhv_vfs *, struct xfs_mount_args *, int); typedef int (*xfs_bmapi_t)(struct xfs_trans *, void *, xfs_fileoff_t, xfs_filblks_t, int, xfs_fsblock_t *, xfs_extlen_t, struct xfs_bmbt_irec *, int *, - struct xfs_bmap_free *); + struct xfs_bmap_free *, struct xfs_extdelta *); +typedef int (*xfs_bunmapi_t)(struct xfs_trans *, + void *, xfs_fileoff_t, + xfs_filblks_t, int, xfs_extnum_t, + xfs_fsblock_t *, struct xfs_bmap_free *, + struct xfs_extdelta *, int *); typedef int (*xfs_bmap_eof_t)(void *, xfs_fileoff_t, int, int *); typedef int (*xfs_iomap_write_direct_t)( void *, xfs_off_t, size_t, int, @@ -213,11 +220,14 @@ typedef void (*xfs_lock_demote_t)(void *, uint); typedef int (*xfs_lock_nowait_t)(void *, uint); typedef void (*xfs_unlk_t)(void *, unsigned int); typedef xfs_fsize_t (*xfs_size_t)(void *); -typedef xfs_fsize_t (*xfs_iodone_t)(struct vfs *); +typedef xfs_fsize_t (*xfs_iodone_t)(struct bhv_vfs *); +typedef int (*xfs_swap_extents_t)(void *, void *, + struct xfs_swapext*); typedef struct xfs_ioops { xfs_ioinit_t xfs_ioinit; xfs_bmapi_t xfs_bmapi_func; + xfs_bunmapi_t xfs_bunmapi_func; xfs_bmap_eof_t xfs_bmap_eof_func; xfs_iomap_write_direct_t xfs_iomap_write_direct; xfs_iomap_write_delay_t xfs_iomap_write_delay; @@ -230,13 +240,17 @@ typedef struct xfs_ioops { xfs_unlk_t xfs_unlock; xfs_size_t xfs_size_func; xfs_iodone_t xfs_iodone; + xfs_swap_extents_t xfs_swap_extents_func; } xfs_ioops_t; #define XFS_IOINIT(vfsp, args, flags) \ (*(mp)->m_io_ops.xfs_ioinit)(vfsp, args, flags) -#define XFS_BMAPI(mp, trans,io,bno,len,f,first,tot,mval,nmap,flist) \ +#define XFS_BMAPI(mp, trans,io,bno,len,f,first,tot,mval,nmap,flist,delta) \ (*(mp)->m_io_ops.xfs_bmapi_func) \ - (trans,(io)->io_obj,bno,len,f,first,tot,mval,nmap,flist) + (trans,(io)->io_obj,bno,len,f,first,tot,mval,nmap,flist,delta) +#define XFS_BUNMAPI(mp, trans,io,bno,len,f,nexts,first,flist,delta,done) \ + (*(mp)->m_io_ops.xfs_bunmapi_func) \ + (trans,(io)->io_obj,bno,len,f,nexts,first,flist,delta,done) #define XFS_BMAP_EOF(mp, io, endoff, whichfork, eof) \ (*(mp)->m_io_ops.xfs_bmap_eof_func) \ ((io)->io_obj, endoff, whichfork, eof) @@ -266,6 +280,9 @@ typedef struct xfs_ioops { (*(mp)->m_io_ops.xfs_size_func)((io)->io_obj) #define XFS_IODONE(vfsp) \ (*(mp)->m_io_ops.xfs_iodone)(vfsp) +#define XFS_SWAP_EXTENTS(mp, io, tio, sxp) \ + (*(mp)->m_io_ops.xfs_swap_extents_func) \ + ((io)->io_obj, (tio)->io_obj, sxp) #ifdef HAVE_PERCPU_SB @@ -386,8 +403,6 @@ typedef struct xfs_mount { __uint8_t m_inode_quiesce;/* call quiesce on new inodes. field governed by m_ilock */ __uint8_t m_sectbb_log; /* sectlog - BBSHIFT */ - __uint8_t m_dirversion; /* 1 or 2 */ - xfs_dirops_t m_dirops; /* table of dir funcs */ int m_dirblksize; /* directory block sz--bytes */ int m_dirblkfsbs; /* directory block sz--fsbs */ xfs_dablk_t m_dirdatablk; /* blockno of dir data v2 */ @@ -494,16 +509,7 @@ xfs_preferred_iosize(xfs_mount_t *mp) #define XFS_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN) #define xfs_force_shutdown(m,f) \ - VFS_FORCE_SHUTDOWN((XFS_MTOVFS(m)), f, __FILE__, __LINE__) - -/* - * Flags sent to xfs_force_shutdown. - */ -#define XFS_METADATA_IO_ERROR 0x1 -#define XFS_LOG_IO_ERROR 0x2 -#define XFS_FORCE_UMOUNT 0x4 -#define XFS_CORRUPT_INCORE 0x8 /* Corrupt in-memory data structures */ -#define XFS_SHUTDOWN_REMOTE_REQ 0x10 /* Shutdown came from remote cell */ + bhv_vfs_force_shutdown((XFS_MTOVFS(m)), f, __FILE__, __LINE__) /* * Flags for xfs_mountfs @@ -521,7 +527,7 @@ xfs_preferred_iosize(xfs_mount_t *mp) * Macros for getting from mount to vfs and back. */ #define XFS_MTOVFS(mp) xfs_mtovfs(mp) -static inline struct vfs *xfs_mtovfs(xfs_mount_t *mp) +static inline struct bhv_vfs *xfs_mtovfs(xfs_mount_t *mp) { return bhvtovfs(&mp->m_bhv); } @@ -533,7 +539,7 @@ static inline xfs_mount_t *xfs_bhvtom(bhv_desc_t *bdp) } #define XFS_VFSTOM(vfs) xfs_vfstom(vfs) -static inline xfs_mount_t *xfs_vfstom(vfs_t *vfs) +static inline xfs_mount_t *xfs_vfstom(bhv_vfs_t *vfs) { return XFS_BHVTOM(bhv_lookup(VFS_BHVHEAD(vfs), &xfs_vfsops)); } @@ -571,7 +577,7 @@ typedef struct xfs_mod_sb { extern xfs_mount_t *xfs_mount_init(void); extern void xfs_mod_sb(xfs_trans_t *, __int64_t); extern void xfs_mount_free(xfs_mount_t *mp, int remove_bhv); -extern int xfs_mountfs(struct vfs *, xfs_mount_t *mp, int); +extern int xfs_mountfs(struct bhv_vfs *, xfs_mount_t *mp, int); extern void xfs_mountfs_check_barriers(xfs_mount_t *mp); extern int xfs_unmountfs(xfs_mount_t *, struct cred *); @@ -589,7 +595,7 @@ extern void xfs_freesb(xfs_mount_t *); extern void xfs_do_force_shutdown(bhv_desc_t *, int, char *, int); extern int xfs_syncsub(xfs_mount_t *, int, int, int *); extern int xfs_sync_inodes(xfs_mount_t *, int, int, int *); -extern xfs_agnumber_t xfs_initialize_perag(struct vfs *, xfs_mount_t *, +extern xfs_agnumber_t xfs_initialize_perag(struct bhv_vfs *, xfs_mount_t *, xfs_agnumber_t); extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t); diff --git a/fs/xfs/xfs_qmops.c b/fs/xfs/xfs_qmops.c index 1408a32..320d63f 100644 --- a/fs/xfs/xfs_qmops.c +++ b/fs/xfs/xfs_qmops.c @@ -23,7 +23,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h index 7fbef97..acb853b 100644 --- a/fs/xfs/xfs_quota.h +++ b/fs/xfs/xfs_quota.h @@ -365,7 +365,7 @@ typedef struct xfs_dqtrxops { extern int xfs_qm_dqcheck(xfs_disk_dquot_t *, xfs_dqid_t, uint, uint, char *); extern int xfs_mount_reset_sbqflags(struct xfs_mount *); -extern struct bhv_vfsops xfs_qmops; +extern struct bhv_module_vfsops xfs_qmops; #endif /* __KERNEL__ */ diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c index 1f14876..d98171d 100644 --- a/fs/xfs/xfs_rename.c +++ b/fs/xfs/xfs_rename.c @@ -22,13 +22,11 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -40,7 +38,6 @@ #include "xfs_refcache.h" #include "xfs_utils.h" #include "xfs_trans_space.h" -#include "xfs_dir_leaf.h" /* @@ -87,8 +84,8 @@ STATIC int xfs_lock_for_rename( xfs_inode_t *dp1, /* old (source) directory inode */ xfs_inode_t *dp2, /* new (target) directory inode */ - vname_t *vname1,/* old entry name */ - vname_t *vname2,/* new entry name */ + bhv_vname_t *vname1,/* old entry name */ + bhv_vname_t *vname2,/* new entry name */ xfs_inode_t **ipp1, /* inode of old entry */ xfs_inode_t **ipp2, /* inode of new entry, if it already exists, NULL otherwise. */ @@ -225,9 +222,9 @@ xfs_lock_for_rename( int xfs_rename( bhv_desc_t *src_dir_bdp, - vname_t *src_vname, - vnode_t *target_dir_vp, - vname_t *target_vname, + bhv_vname_t *src_vname, + bhv_vnode_t *target_dir_vp, + bhv_vname_t *target_vname, cred_t *credp) { xfs_trans_t *tp; @@ -242,7 +239,7 @@ xfs_rename( int committed; xfs_inode_t *inodes[4]; int target_ip_dropped = 0; /* dropped target_ip link? */ - vnode_t *src_dir_vp; + bhv_vnode_t *src_dir_vp; int spaceres; int target_link_zero = 0; int num_inodes; @@ -398,34 +395,29 @@ xfs_rename( * fit before actually inserting it. */ if (spaceres == 0 && - (error = XFS_DIR_CANENTER(mp, tp, target_dp, target_name, - target_namelen))) { + (error = xfs_dir_canenter(tp, target_dp, target_name, + target_namelen))) goto error_return; - } /* * If target does not exist and the rename crosses * directories, adjust the target directory link count * to account for the ".." reference from the new entry. */ - error = XFS_DIR_CREATENAME(mp, tp, target_dp, target_name, + error = xfs_dir_createname(tp, target_dp, target_name, target_namelen, src_ip->i_ino, &first_block, &free_list, spaceres); - if (error == ENOSPC) { + if (error == ENOSPC) goto error_return; - } - if (error) { + if (error) goto abort_return; - } xfs_ichgtime(target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); if (new_parent && src_is_directory) { error = xfs_bumplink(tp, target_dp); - if (error) { + if (error) goto abort_return; - } } } else { /* target_ip != NULL */ - /* * If target exists and it's a directory, check that both * target and source are directories and that target can be @@ -435,7 +427,7 @@ xfs_rename( /* * Make sure target dir is empty. */ - if (!(XFS_DIR_ISEMPTY(target_ip->i_mount, target_ip)) || + if (!(xfs_dir_isempty(target_ip)) || (target_ip->i_d.di_nlink > 2)) { error = XFS_ERROR(EEXIST); goto error_return; @@ -451,12 +443,11 @@ xfs_rename( * In case there is already an entry with the same * name at the destination directory, remove it first. */ - error = XFS_DIR_REPLACE(mp, tp, target_dp, target_name, - target_namelen, src_ip->i_ino, &first_block, - &free_list, spaceres); - if (error) { + error = xfs_dir_replace(tp, target_dp, target_name, + target_namelen, src_ip->i_ino, + &first_block, &free_list, spaceres); + if (error) goto abort_return; - } xfs_ichgtime(target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); /* @@ -464,9 +455,8 @@ xfs_rename( * dir no longer points to it. */ error = xfs_droplink(tp, target_ip); - if (error) { + if (error) goto abort_return; - } target_ip_dropped = 1; if (src_is_directory) { @@ -474,9 +464,8 @@ xfs_rename( * Drop the link from the old "." entry. */ error = xfs_droplink(tp, target_ip); - if (error) { + if (error) goto abort_return; - } } /* Do this test while we still hold the locks */ @@ -488,18 +477,15 @@ xfs_rename( * Remove the source. */ if (new_parent && src_is_directory) { - /* * Rewrite the ".." entry to point to the new * directory. */ - error = XFS_DIR_REPLACE(mp, tp, src_ip, "..", 2, - target_dp->i_ino, &first_block, - &free_list, spaceres); + error = xfs_dir_replace(tp, src_ip, "..", 2, target_dp->i_ino, + &first_block, &free_list, spaceres); ASSERT(error != EEXIST); - if (error) { + if (error) goto abort_return; - } xfs_ichgtime(src_ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); } else { @@ -527,16 +513,14 @@ xfs_rename( * entry that's moved no longer points to it. */ error = xfs_droplink(tp, src_dp); - if (error) { + if (error) goto abort_return; - } } - error = XFS_DIR_REMOVENAME(mp, tp, src_dp, src_name, src_namelen, + error = xfs_dir_removename(tp, src_dp, src_name, src_namelen, src_ip->i_ino, &first_block, &free_list, spaceres); - if (error) { + if (error) goto abort_return; - } xfs_ichgtime(src_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); /* @@ -609,7 +593,7 @@ xfs_rename( * Let interposed file systems know about removed links. */ if (target_ip_dropped) { - VOP_LINK_REMOVED(XFS_ITOV(target_ip), target_dir_vp, + bhv_vop_link_removed(XFS_ITOV(target_ip), target_dir_vp, target_link_zero); IRELE(target_ip); } diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 5b41394..0c1e42b 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -141,7 +139,7 @@ xfs_growfs_rt_alloc( cancelflags |= XFS_TRANS_ABORT; error = xfs_bmapi(tp, ip, oblocks, nblocks - oblocks, XFS_BMAPI_WRITE | XFS_BMAPI_METADATA, &firstblock, - resblks, &map, &nmap, &flist); + resblks, &map, &nmap, &flist, NULL); if (!error && nmap < 1) error = XFS_ERROR(ENOSPC); if (error) @@ -2404,10 +2402,10 @@ xfs_rtprint_range( { xfs_extlen_t i; /* block number in the extent */ - printk("%Ld: ", (long long)start); + cmn_err(CE_DEBUG, "%Ld: ", (long long)start); for (i = 0; i < len; i++) - printk("%d", xfs_rtcheck_bit(mp, tp, start + i, 1)); - printk("\n"); + cmn_err(CE_DEBUG, "%d", xfs_rtcheck_bit(mp, tp, start + i, 1)); + cmn_err(CE_DEBUG, "\n"); } /* @@ -2431,17 +2429,17 @@ xfs_rtprint_summary( (void)xfs_rtget_summary(mp, tp, l, i, &sumbp, &sb, &c); if (c) { if (!p) { - printk("%Ld-%Ld:", 1LL << l, + cmn_err(CE_DEBUG, "%Ld-%Ld:", 1LL << l, XFS_RTMIN((1LL << l) + ((1LL << l) - 1LL), mp->m_sb.sb_rextents)); p = 1; } - printk(" %Ld:%d", (long long)i, c); + cmn_err(CE_DEBUG, " %Ld:%d", (long long)i, c); } } if (p) - printk("\n"); + cmn_err(CE_DEBUG, "\n"); } if (sumbp) xfs_trans_brelse(tp, sumbp); diff --git a/fs/xfs/xfs_rw.c b/fs/xfs/xfs_rw.c index a59c102..defb2fe 100644 --- a/fs/xfs/xfs_rw.c +++ b/fs/xfs/xfs_rw.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -92,6 +90,90 @@ xfs_write_clear_setuid( } /* + * Handle logging requirements of various synchronous types of write. + */ +int +xfs_write_sync_logforce( + xfs_mount_t *mp, + xfs_inode_t *ip) +{ + int error = 0; + + /* + * If we're treating this as O_DSYNC and we have not updated the + * size, force the log. + */ + if (!(mp->m_flags & XFS_MOUNT_OSYNCISOSYNC) && + !(ip->i_update_size)) { + xfs_inode_log_item_t *iip = ip->i_itemp; + + /* + * If an allocation transaction occurred + * without extending the size, then we have to force + * the log up the proper point to ensure that the + * allocation is permanent. We can't count on + * the fact that buffered writes lock out direct I/O + * writes - the direct I/O write could have extended + * the size nontransactionally, then finished before + * we started. xfs_write_file will think that the file + * didn't grow but the update isn't safe unless the + * size change is logged. + * + * Force the log if we've committed a transaction + * against the inode or if someone else has and + * the commit record hasn't gone to disk (e.g. + * the inode is pinned). This guarantees that + * all changes affecting the inode are permanent + * when we return. + */ + if (iip && iip->ili_last_lsn) { + xfs_log_force(mp, iip->ili_last_lsn, + XFS_LOG_FORCE | XFS_LOG_SYNC); + } else if (xfs_ipincount(ip) > 0) { + xfs_log_force(mp, (xfs_lsn_t)0, + XFS_LOG_FORCE | XFS_LOG_SYNC); + } + + } else { + xfs_trans_t *tp; + + /* + * O_SYNC or O_DSYNC _with_ a size update are handled + * the same way. + * + * If the write was synchronous then we need to make + * sure that the inode modification time is permanent. + * We'll have updated the timestamp above, so here + * we use a synchronous transaction to log the inode. + * It's not fast, but it's necessary. + * + * If this a dsync write and the size got changed + * non-transactionally, then we need to ensure that + * the size change gets logged in a synchronous + * transaction. + */ + tp = xfs_trans_alloc(mp, XFS_TRANS_WRITE_SYNC); + if ((error = xfs_trans_reserve(tp, 0, + XFS_SWRITE_LOG_RES(mp), + 0, 0, 0))) { + /* Transaction reserve failed */ + xfs_trans_cancel(tp, 0); + } else { + /* Transaction reserve successful */ + xfs_ilock(ip, XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); + xfs_trans_ihold(tp, ip); + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + xfs_trans_set_sync(tp); + error = xfs_trans_commit(tp, 0, NULL); + xfs_iunlock(ip, XFS_ILOCK_EXCL); + } + } + + return error; +} + +/* * Force a shutdown of the filesystem instantly while keeping * the filesystem consistent. We don't do an unmount here; just shutdown * the shop, make sure that absolutely nothing persistent happens to @@ -109,12 +191,12 @@ xfs_do_force_shutdown( xfs_mount_t *mp; mp = XFS_BHVTOM(bdp); - logerror = flags & XFS_LOG_IO_ERROR; + logerror = flags & SHUTDOWN_LOG_IO_ERROR; - if (!(flags & XFS_FORCE_UMOUNT)) { - cmn_err(CE_NOTE, - "xfs_force_shutdown(%s,0x%x) called from line %d of file %s. Return address = 0x%p", - mp->m_fsname,flags,lnnum,fname,__return_address); + if (!(flags & SHUTDOWN_FORCE_UMOUNT)) { + cmn_err(CE_NOTE, "xfs_force_shutdown(%s,0x%x) called from " + "line %d of file %s. Return address = 0x%p", + mp->m_fsname, flags, lnnum, fname, __return_address); } /* * No need to duplicate efforts. @@ -125,33 +207,37 @@ xfs_do_force_shutdown( /* * This flags XFS_MOUNT_FS_SHUTDOWN, makes sure that we don't * queue up anybody new on the log reservations, and wakes up - * everybody who's sleeping on log reservations and tells - * them the bad news. + * everybody who's sleeping on log reservations to tell them + * the bad news. */ if (xfs_log_force_umount(mp, logerror)) return; - if (flags & XFS_CORRUPT_INCORE) { + if (flags & SHUTDOWN_CORRUPT_INCORE) { xfs_cmn_err(XFS_PTAG_SHUTDOWN_CORRUPT, CE_ALERT, mp, "Corruption of in-memory data detected. Shutting down filesystem: %s", mp->m_fsname); if (XFS_ERRLEVEL_HIGH <= xfs_error_level) { xfs_stack_trace(); } - } else if (!(flags & XFS_FORCE_UMOUNT)) { + } else if (!(flags & SHUTDOWN_FORCE_UMOUNT)) { if (logerror) { xfs_cmn_err(XFS_PTAG_SHUTDOWN_LOGERROR, CE_ALERT, mp, - "Log I/O Error Detected. Shutting down filesystem: %s", + "Log I/O Error Detected. Shutting down filesystem: %s", + mp->m_fsname); + } else if (flags & SHUTDOWN_DEVICE_REQ) { + xfs_cmn_err(XFS_PTAG_SHUTDOWN_IOERROR, CE_ALERT, mp, + "All device paths lost. Shutting down filesystem: %s", mp->m_fsname); - } else if (!(flags & XFS_SHUTDOWN_REMOTE_REQ)) { + } else if (!(flags & SHUTDOWN_REMOTE_REQ)) { xfs_cmn_err(XFS_PTAG_SHUTDOWN_IOERROR, CE_ALERT, mp, - "I/O Error Detected. Shutting down filesystem: %s", + "I/O Error Detected. Shutting down filesystem: %s", mp->m_fsname); } } - if (!(flags & XFS_FORCE_UMOUNT)) { - cmn_err(CE_ALERT, - "Please umount the filesystem, and rectify the problem(s)"); + if (!(flags & SHUTDOWN_FORCE_UMOUNT)) { + cmn_err(CE_ALERT, "Please umount the filesystem, " + "and rectify the problem(s)"); } } @@ -335,7 +421,7 @@ xfs_bwrite( * from bwrite and we could be tracing a buffer that has * been reused. */ - xfs_force_shutdown(mp, XFS_METADATA_IO_ERROR); + xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR); } return (error); } diff --git a/fs/xfs/xfs_rw.h b/fs/xfs/xfs_rw.h index e637956..188b296 100644 --- a/fs/xfs/xfs_rw.h +++ b/fs/xfs/xfs_rw.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -75,6 +75,7 @@ xfs_fsb_to_db_io(struct xfs_iocore *io, xfs_fsblock_t fsb) * Prototypes for functions in xfs_rw.c. */ extern int xfs_write_clear_setuid(struct xfs_inode *ip); +extern int xfs_write_sync_logforce(struct xfs_mount *mp, struct xfs_inode *ip); extern int xfs_bwrite(struct xfs_mount *mp, struct xfs_buf *bp); extern int xfs_bioerror(struct xfs_buf *bp); extern int xfs_bioerror_relse(struct xfs_buf *bp); @@ -87,9 +88,10 @@ extern void xfs_ioerror_alert(char *func, struct xfs_mount *mp, /* * Prototypes for functions in xfs_vnodeops.c. */ -extern int xfs_rwlock(bhv_desc_t *bdp, vrwlock_t write_lock); -extern void xfs_rwunlock(bhv_desc_t *bdp, vrwlock_t write_lock); -extern int xfs_setattr(bhv_desc_t *bdp, vattr_t *vap, int flags, cred_t *credp); +extern int xfs_rwlock(bhv_desc_t *bdp, bhv_vrwlock_t write_lock); +extern void xfs_rwunlock(bhv_desc_t *bdp, bhv_vrwlock_t write_lock); +extern int xfs_setattr(bhv_desc_t *, bhv_vattr_t *vap, int flags, + cred_t *credp); extern int xfs_change_file_space(bhv_desc_t *bdp, int cmd, xfs_flock64_t *bf, xfs_off_t offset, cred_t *credp, int flags); extern int xfs_set_dmattrs(bhv_desc_t *bdp, u_int evmask, u_int16_t state, diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 8d056ce..ee2721e 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -24,7 +24,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -33,7 +32,6 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -236,11 +234,8 @@ xfs_trans_alloc( xfs_mount_t *mp, uint type) { - fs_check_frozen(XFS_MTOVFS(mp), SB_FREEZE_TRANS); - atomic_inc(&mp->m_active_trans); - - return (_xfs_trans_alloc(mp, type)); - + vfs_wait_for_freeze(XFS_MTOVFS(mp), SB_FREEZE_TRANS); + return _xfs_trans_alloc(mp, type); } xfs_trans_t * @@ -250,12 +245,9 @@ _xfs_trans_alloc( { xfs_trans_t *tp; - ASSERT(xfs_trans_zone != NULL); - tp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP); + atomic_inc(&mp->m_active_trans); - /* - * Initialize the transaction structure. - */ + tp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP); tp->t_magic = XFS_TRANS_MAGIC; tp->t_type = type; tp->t_mountp = mp; @@ -263,8 +255,7 @@ _xfs_trans_alloc( tp->t_busy_free = XFS_LBC_NUM_SLOTS; XFS_LIC_INIT(&(tp->t_items)); XFS_LBC_INIT(&(tp->t_busy)); - - return (tp); + return tp; } /* @@ -303,7 +294,7 @@ xfs_trans_dup( tp->t_blk_res = tp->t_blk_res_used; ntp->t_rtx_res = tp->t_rtx_res - tp->t_rtx_res_used; tp->t_rtx_res = tp->t_rtx_res_used; - PFLAGS_DUP(&tp->t_pflags, &ntp->t_pflags); + ntp->t_pflags = tp->t_pflags; XFS_TRANS_DUP_DQINFO(tp->t_mountp, tp, ntp); @@ -335,14 +326,11 @@ xfs_trans_reserve( uint logcount) { int log_flags; - int error; - int rsvd; - - error = 0; - rsvd = (tp->t_flags & XFS_TRANS_RESERVE) != 0; + int error = 0; + int rsvd = (tp->t_flags & XFS_TRANS_RESERVE) != 0; /* Mark this thread as being in a transaction */ - PFLAGS_SET_FSTRANS(&tp->t_pflags); + current_set_flags_nested(&tp->t_pflags, PF_FSTRANS); /* * Attempt to reserve the needed disk blocks by decrementing @@ -353,7 +341,7 @@ xfs_trans_reserve( error = xfs_mod_incore_sb(tp->t_mountp, XFS_SBS_FDBLOCKS, -blocks, rsvd); if (error != 0) { - PFLAGS_RESTORE_FSTRANS(&tp->t_pflags); + current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); return (XFS_ERROR(ENOSPC)); } tp->t_blk_res += blocks; @@ -426,9 +414,9 @@ undo_blocks: tp->t_blk_res = 0; } - PFLAGS_RESTORE_FSTRANS(&tp->t_pflags); + current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); - return (error); + return error; } @@ -819,7 +807,7 @@ shut_us_down: if (commit_lsn == -1 && !shutdown) shutdown = XFS_ERROR(EIO); } - PFLAGS_RESTORE_FSTRANS(&tp->t_pflags); + current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); xfs_trans_free_items(tp, shutdown? XFS_TRANS_ABORT : 0); xfs_trans_free_busy(tp); xfs_trans_free(tp); @@ -846,7 +834,7 @@ shut_us_down: */ nvec = xfs_trans_count_vecs(tp); if (nvec == 0) { - xfs_force_shutdown(mp, XFS_LOG_IO_ERROR); + xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR); goto shut_us_down; } else if (nvec <= XFS_TRANS_LOGVEC_COUNT) { log_vector = log_vector_fast; @@ -884,7 +872,7 @@ shut_us_down: * had pinned, clean up, free trans structure, and return error. */ if (error || commit_lsn == -1) { - PFLAGS_RESTORE_FSTRANS(&tp->t_pflags); + current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); xfs_trans_uncommit(tp, flags|XFS_TRANS_ABORT); return XFS_ERROR(EIO); } @@ -926,7 +914,7 @@ shut_us_down: /* * Mark this thread as no longer being in a transaction */ - PFLAGS_RESTORE_FSTRANS(&tp->t_pflags); + current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); /* * Once all the items of the transaction have been copied @@ -1148,7 +1136,7 @@ xfs_trans_cancel( */ if ((tp->t_flags & XFS_TRANS_DIRTY) && !XFS_FORCED_SHUTDOWN(mp)) { XFS_ERROR_REPORT("xfs_trans_cancel", XFS_ERRLEVEL_LOW, mp); - xfs_force_shutdown(mp, XFS_CORRUPT_INCORE); + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); } #ifdef DEBUG if (!(flags & XFS_TRANS_ABORT)) { @@ -1182,7 +1170,7 @@ xfs_trans_cancel( } /* mark this thread as no longer being in a transaction */ - PFLAGS_RESTORE_FSTRANS(&tp->t_pflags); + current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); xfs_trans_free_items(tp, flags); xfs_trans_free_busy(tp); diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 100d9a4..cb65c3a 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -805,12 +805,9 @@ typedef struct xfs_trans { ((mp)->m_sb.sb_inodesize + \ (mp)->m_sb.sb_sectsize * 2 + \ (mp)->m_dirblksize + \ - (XFS_DIR_IS_V1(mp) ? 0 : \ - XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1))) + \ + XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1)) + \ XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (4 + \ - (XFS_DIR_IS_V1(mp) ? 0 : \ - XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \ + (128 * (4 + (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \ XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index 19ab24a..558c87f 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -22,7 +22,6 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_trans_priv.h" @@ -363,9 +362,10 @@ xfs_trans_delete_ail( AIL_UNLOCK(mp, s); else { xfs_cmn_err(XFS_PTAG_AILDELETE, CE_ALERT, mp, - "xfs_trans_delete_ail: attempting to delete a log item that is not in the AIL"); + "%s: attempting to delete a log item that is not in the AIL", + __FUNCTION__); AIL_UNLOCK(mp, s); - xfs_force_shutdown(mp, XFS_CORRUPT_INCORE); + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); } } } diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c index c74c31e..60b6b89 100644 --- a/fs/xfs/xfs_trans_buf.c +++ b/fs/xfs/xfs_trans_buf.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -320,7 +318,7 @@ xfs_trans_read_buf( if (xfs_error_target == target) { if (((xfs_req_num++) % xfs_error_mod) == 0) { xfs_buf_relse(bp); - printk("Returning error!\n"); + cmn_err(CE_DEBUG, "Returning error!\n"); return XFS_ERROR(EIO); } } @@ -369,7 +367,7 @@ xfs_trans_read_buf( */ if (tp->t_flags & XFS_TRANS_DIRTY) xfs_force_shutdown(tp->t_mountp, - XFS_METADATA_IO_ERROR); + SHUTDOWN_META_IO_ERROR); return error; } } @@ -414,7 +412,7 @@ xfs_trans_read_buf( xfs_ioerror_alert("xfs_trans_read_buf", mp, bp, blkno); if (tp->t_flags & XFS_TRANS_DIRTY) - xfs_force_shutdown(tp->t_mountp, XFS_METADATA_IO_ERROR); + xfs_force_shutdown(tp->t_mountp, SHUTDOWN_META_IO_ERROR); xfs_buf_relse(bp); return error; } @@ -423,9 +421,9 @@ xfs_trans_read_buf( if (xfs_error_target == target) { if (((xfs_req_num++) % xfs_error_mod) == 0) { xfs_force_shutdown(tp->t_mountp, - XFS_METADATA_IO_ERROR); + SHUTDOWN_META_IO_ERROR); xfs_buf_relse(bp); - printk("Returning error in trans!\n"); + cmn_err(CE_DEBUG, "Returning trans error!\n"); return XFS_ERROR(EIO); } } diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c index 7d7d627..b290270 100644 --- a/fs/xfs/xfs_trans_extfree.c +++ b/fs/xfs/xfs_trans_extfree.c @@ -22,7 +22,6 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_dir.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_trans_priv.h" diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c index 7c5894d..b8db1d5 100644 --- a/fs/xfs/xfs_trans_inode.c +++ b/fs/xfs/xfs_trans_inode.c @@ -24,14 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" diff --git a/fs/xfs/xfs_trans_item.c b/fs/xfs/xfs_trans_item.c index 1117d60..2912aac 100644 --- a/fs/xfs/xfs_trans_item.c +++ b/fs/xfs/xfs_trans_item.c @@ -493,7 +493,7 @@ xfs_trans_add_busy(xfs_trans_t *tp, xfs_agnumber_t ag, xfs_extlen_t idx) break; } else { /* out-of-order vacancy */ - printk("OOO vacancy lbcp 0x%p\n", lbcp); + cmn_err(CE_DEBUG, "OOO vacancy lbcp 0x%p\n", lbcp); ASSERT(0); } } diff --git a/fs/xfs/xfs_trans_space.h b/fs/xfs/xfs_trans_space.h index 7fe3792..4ea2e50 100644 --- a/fs/xfs/xfs_trans_space.h +++ b/fs/xfs/xfs_trans_space.h @@ -30,8 +30,7 @@ XFS_EXTENTADD_SPACE_RES(mp,w)) #define XFS_DAENTER_1B(mp,w) ((w) == XFS_DATA_FORK ? (mp)->m_dirblkfsbs : 1) #define XFS_DAENTER_DBS(mp,w) \ - (XFS_DA_NODE_MAXDEPTH + \ - ((XFS_DIR_IS_V2(mp) && (w) == XFS_DATA_FORK) ? 2 : 0)) + (XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0)) #define XFS_DAENTER_BLOCKS(mp,w) \ (XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w)) #define XFS_DAENTER_BMAP1B(mp,w) \ @@ -41,10 +40,7 @@ #define XFS_DAENTER_SPACE_RES(mp,w) \ (XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w)) #define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w) -#define XFS_DIRENTER_MAX_SPLIT(mp,nl) \ - (((mp)->m_sb.sb_blocksize == 512 && \ - XFS_DIR_IS_V1(mp) && \ - (nl) >= XFS_DIR_LEAF_CAN_DOUBLE_SPLIT_LEN) ? 2 : 1) +#define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1 #define XFS_DIRENTER_SPACE_RES(mp,nl) \ (XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \ XFS_DIRENTER_MAX_SPLIT(mp,nl)) @@ -57,8 +53,7 @@ * Space reservation values for various transactions. */ #define XFS_ADDAFORK_SPACE_RES(mp) \ - ((mp)->m_dirblkfsbs + \ - (XFS_DIR_IS_V1(mp) ? 0 : XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))) + ((mp)->m_dirblkfsbs + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK)) #define XFS_ATTRRM_SPACE_RES(mp) \ XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK) /* This macro is not used - see inline code in xfs_attr_set */ diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c index 34654ec..9014d7e 100644 --- a/fs/xfs/xfs_utils.c +++ b/fs/xfs/xfs_utils.c @@ -24,12 +24,10 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -51,10 +49,10 @@ */ int xfs_get_dir_entry( - vname_t *dentry, + bhv_vname_t *dentry, xfs_inode_t **ipp) { - vnode_t *vp; + bhv_vnode_t *vp; vp = VNAME_TO_VNODE(dentry); @@ -69,11 +67,11 @@ int xfs_dir_lookup_int( bhv_desc_t *dir_bdp, uint lock_mode, - vname_t *dentry, + bhv_vname_t *dentry, xfs_ino_t *inum, xfs_inode_t **ipp) { - vnode_t *dir_vp; + bhv_vnode_t *dir_vp; xfs_inode_t *dp; int error; @@ -82,8 +80,7 @@ xfs_dir_lookup_int( dp = XFS_BHVTOI(dir_bdp); - error = XFS_DIR_LOOKUP(dp->i_mount, NULL, dp, - VNAME(dentry), VNAMELEN(dentry), inum); + error = xfs_dir_lookup(NULL, dp, VNAME(dentry), VNAMELEN(dentry), inum); if (!error) { /* * Unlock the directory. We do this because we can't diff --git a/fs/xfs/xfs_utils.h b/fs/xfs/xfs_utils.h index 472661a..fe953e98 100644 --- a/fs/xfs/xfs_utils.h +++ b/fs/xfs/xfs_utils.h @@ -23,9 +23,10 @@ #define ITRACE(ip) vn_trace_ref(XFS_ITOV(ip), __FILE__, __LINE__, \ (inst_t *)__return_address) -extern int xfs_rename (bhv_desc_t *, vname_t *, vnode_t *, vname_t *, cred_t *); -extern int xfs_get_dir_entry (vname_t *, xfs_inode_t **); -extern int xfs_dir_lookup_int (bhv_desc_t *, uint, vname_t *, xfs_ino_t *, +extern int xfs_rename (bhv_desc_t *, bhv_vname_t *, bhv_vnode_t *, + bhv_vname_t *, cred_t *); +extern int xfs_get_dir_entry (bhv_vname_t *, xfs_inode_t **); +extern int xfs_dir_lookup_int (bhv_desc_t *, uint, bhv_vname_t *, xfs_ino_t *, xfs_inode_t **); extern int xfs_truncate_file (xfs_mount_t *, xfs_inode_t *); extern int xfs_dir_ialloc (xfs_trans_t **, xfs_inode_t *, mode_t, xfs_nlink_t, diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index 36ea1b2..6c96391 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -24,7 +24,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -32,7 +31,6 @@ #include "xfs_bmap_btree.h" #include "xfs_ialloc_btree.h" #include "xfs_alloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" @@ -131,9 +129,6 @@ xfs_init(void) #ifdef XFS_BMBT_TRACE xfs_bmbt_trace_buf = ktrace_alloc(XFS_BMBT_TRACE_SIZE, KM_SLEEP); #endif -#ifdef XFS_DIR_TRACE - xfs_dir_trace_buf = ktrace_alloc(XFS_DIR_TRACE_SIZE, KM_SLEEP); -#endif #ifdef XFS_ATTR_TRACE xfs_attr_trace_buf = ktrace_alloc(XFS_ATTR_TRACE_SIZE, KM_SLEEP); #endif @@ -177,9 +172,6 @@ xfs_cleanup(void) #ifdef XFS_ATTR_TRACE ktrace_free(xfs_attr_trace_buf); #endif -#ifdef XFS_DIR_TRACE - ktrace_free(xfs_dir_trace_buf); -#endif #ifdef XFS_BMBT_TRACE ktrace_free(xfs_bmbt_trace_buf); #endif @@ -212,7 +204,7 @@ xfs_cleanup(void) */ STATIC int xfs_start_flags( - struct vfs *vfs, + struct bhv_vfs *vfs, struct xfs_mount_args *ap, struct xfs_mount *mp) { @@ -337,7 +329,7 @@ xfs_start_flags( */ STATIC int xfs_finish_flags( - struct vfs *vfs, + struct bhv_vfs *vfs, struct xfs_mount_args *ap, struct xfs_mount *mp) { @@ -423,7 +415,7 @@ xfs_mount( struct xfs_mount_args *args, cred_t *credp) { - struct vfs *vfsp = bhvtovfs(bhvp); + struct bhv_vfs *vfsp = bhvtovfs(bhvp); struct bhv_desc *p; struct xfs_mount *mp = XFS_BHVTOM(bhvp); struct block_device *ddev, *logdev, *rtdev; @@ -552,10 +544,10 @@ xfs_unmount( int flags, cred_t *credp) { - struct vfs *vfsp = bhvtovfs(bdp); + bhv_vfs_t *vfsp = bhvtovfs(bdp); xfs_mount_t *mp = XFS_BHVTOM(bdp); xfs_inode_t *rip; - vnode_t *rvp; + bhv_vnode_t *rvp; int unmount_event_wanted = 0; int unmount_event_flags = 0; int xfs_unmountfs_needed = 0; @@ -665,9 +657,8 @@ xfs_mntupdate( int *flags, struct xfs_mount_args *args) { - struct vfs *vfsp = bhvtovfs(bdp); + bhv_vfs_t *vfsp = bhvtovfs(bdp); xfs_mount_t *mp = XFS_BHVTOM(bdp); - int error; if (!(*flags & MS_RDONLY)) { /* rw/ro -> rw */ if (vfsp->vfs_flag & VFS_RDONLY) @@ -679,7 +670,7 @@ xfs_mntupdate( mp->m_flags &= ~XFS_MOUNT_BARRIER; } } else if (!(vfsp->vfs_flag & VFS_RDONLY)) { /* rw -> ro */ - VFS_SYNC(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL, error); + bhv_vfs_sync(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL); xfs_quiesce_fs(mp); xfs_log_unmount_write(mp); xfs_unmountfs_writesb(mp); @@ -702,7 +693,7 @@ xfs_unmount_flush( xfs_inode_t *rip = mp->m_rootip; xfs_inode_t *rbmip; xfs_inode_t *rsumip = NULL; - vnode_t *rvp = XFS_ITOV(rip); + bhv_vnode_t *rvp = XFS_ITOV(rip); int error; xfs_ilock(rip, XFS_ILOCK_EXCL); @@ -781,9 +772,9 @@ fscorrupt_out2: STATIC int xfs_root( bhv_desc_t *bdp, - vnode_t **vpp) + bhv_vnode_t **vpp) { - vnode_t *vp; + bhv_vnode_t *vp; vp = XFS_ITOV((XFS_BHVTOM(bdp))->m_rootip); VN_HOLD(vp); @@ -801,8 +792,8 @@ xfs_root( STATIC int xfs_statvfs( bhv_desc_t *bdp, - xfs_statfs_t *statp, - vnode_t *vp) + bhv_statvfs_t *statp, + bhv_vnode_t *vp) { __uint64_t fakeinos; xfs_extlen_t lsize; @@ -900,7 +891,7 @@ xfs_sync( /* * xfs sync routine for internal use * - * This routine supports all of the flags defined for the generic VFS_SYNC + * This routine supports all of the flags defined for the generic vfs_sync * interface as explained above under xfs_sync. In the interests of not * changing interfaces within the 6.5 family, additional internally- * required functions are specified within a separate xflags parameter, @@ -917,7 +908,7 @@ xfs_sync_inodes( xfs_inode_t *ip = NULL; xfs_inode_t *ip_next; xfs_buf_t *bp; - vnode_t *vp = NULL; + bhv_vnode_t *vp = NULL; int error; int last_error; uint64_t fflag; @@ -1156,9 +1147,9 @@ xfs_sync_inodes( xfs_iunlock(ip, XFS_ILOCK_SHARED); if (XFS_FORCED_SHUTDOWN(mp)) { - VOP_TOSS_PAGES(vp, 0, -1, FI_REMAPF); + bhv_vop_toss_pages(vp, 0, -1, FI_REMAPF); } else { - VOP_FLUSHINVAL_PAGES(vp, 0, -1, FI_REMAPF); + bhv_vop_flushinval_pages(vp, 0, -1, FI_REMAPF); } xfs_ilock(ip, XFS_ILOCK_SHARED); @@ -1178,8 +1169,8 @@ xfs_sync_inodes( * across calls to the buffer cache. */ xfs_iunlock(ip, XFS_ILOCK_SHARED); - VOP_FLUSH_PAGES(vp, (xfs_off_t)0, -1, - fflag, FI_NONE, error); + error = bhv_vop_flush_pages(vp, (xfs_off_t)0, + -1, fflag, FI_NONE); xfs_ilock(ip, XFS_ILOCK_SHARED); } @@ -1231,9 +1222,7 @@ xfs_sync_inodes( * marker and free it. */ XFS_MOUNT_ILOCK(mp); - IPOINTER_REMOVE(ip, mp); - XFS_MOUNT_IUNLOCK(mp); ASSERT(!(lock_flags & @@ -1421,7 +1410,7 @@ xfs_sync_inodes( /* * xfs sync routine for internal use * - * This routine supports all of the flags defined for the generic VFS_SYNC + * This routine supports all of the flags defined for the generic vfs_sync * interface as explained above under xfs_sync. In the interests of not * changing interfaces within the 6.5 family, additional internally- * required functions are specified within a separate xflags parameter, @@ -1574,7 +1563,7 @@ xfs_syncsub( STATIC int xfs_vget( bhv_desc_t *bdp, - vnode_t **vpp, + bhv_vnode_t **vpp, fid_t *fidp) { xfs_mount_t *mp = XFS_BHVTOM(bdp); @@ -1657,10 +1646,10 @@ xfs_vget( #define MNTOPT_NOATTR2 "noattr2" /* do not use attr2 attribute format */ STATIC unsigned long -suffix_strtoul(const char *cp, char **endp, unsigned int base) +suffix_strtoul(char *s, char **endp, unsigned int base) { int last, shift_left_factor = 0; - char *value = (char *)cp; + char *value = s; last = strlen(value) - 1; if (value[last] == 'K' || value[last] == 'k') { @@ -1676,7 +1665,7 @@ suffix_strtoul(const char *cp, char **endp, unsigned int base) value[last] = '\0'; } - return simple_strtoul(cp, endp, base) << shift_left_factor; + return simple_strtoul((const char *)s, endp, base) << shift_left_factor; } STATIC int @@ -1686,7 +1675,7 @@ xfs_parseargs( struct xfs_mount_args *args, int update) { - struct vfs *vfsp = bhvtovfs(bhv); + bhv_vfs_t *vfsp = bhvtovfs(bhv); char *this_char, *value, *eov; int dsunit, dswidth, vol_dsunit, vol_dswidth; int iosize; @@ -1708,42 +1697,48 @@ xfs_parseargs( if (!strcmp(this_char, MNTOPT_LOGBUFS)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } args->logbufs = simple_strtoul(value, &eov, 10); } else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } args->logbufsize = suffix_strtoul(value, &eov, 10); } else if (!strcmp(this_char, MNTOPT_LOGDEV)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } strncpy(args->logname, value, MAXNAMELEN); } else if (!strcmp(this_char, MNTOPT_MTPT)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } strncpy(args->mtpt, value, MAXNAMELEN); } else if (!strcmp(this_char, MNTOPT_RTDEV)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } strncpy(args->rtname, value, MAXNAMELEN); } else if (!strcmp(this_char, MNTOPT_BIOSIZE)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } @@ -1752,7 +1747,8 @@ xfs_parseargs( args->iosizelog = (uint8_t) iosize; } else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } @@ -1761,7 +1757,8 @@ xfs_parseargs( args->iosizelog = ffs(iosize) - 1; } else if (!strcmp(this_char, MNTOPT_IHASHSIZE)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } @@ -1782,7 +1779,8 @@ xfs_parseargs( } else if (!strcmp(this_char, MNTOPT_INO64)) { args->flags |= XFSMNT_INO64; #if !XFS_BIG_INUMS - printk("XFS: %s option not allowed on this system\n", + cmn_err(CE_WARN, + "XFS: %s option not allowed on this system", this_char); return EINVAL; #endif @@ -1792,14 +1790,16 @@ xfs_parseargs( args->flags |= XFSMNT_SWALLOC; } else if (!strcmp(this_char, MNTOPT_SUNIT)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } dsunit = simple_strtoul(value, &eov, 10); } else if (!strcmp(this_char, MNTOPT_SWIDTH)) { if (!value || !*value) { - printk("XFS: %s option requires an argument\n", + cmn_err(CE_WARN, + "XFS: %s option requires an argument", this_char); return EINVAL; } @@ -1807,7 +1807,8 @@ xfs_parseargs( } else if (!strcmp(this_char, MNTOPT_64BITINODE)) { args->flags &= ~XFSMNT_32BITINODES; #if !XFS_BIG_INUMS - printk("XFS: %s option not allowed on this system\n", + cmn_err(CE_WARN, + "XFS: %s option not allowed on this system", this_char); return EINVAL; #endif @@ -1831,36 +1832,41 @@ xfs_parseargs( args->flags &= ~XFSMNT_ATTR2; } else if (!strcmp(this_char, "osyncisdsync")) { /* no-op, this is now the default */ -printk("XFS: osyncisdsync is now the default, option is deprecated.\n"); + cmn_err(CE_WARN, + "XFS: osyncisdsync is now the default, option is deprecated."); } else if (!strcmp(this_char, "irixsgid")) { -printk("XFS: irixsgid is now a sysctl(2) variable, option is deprecated.\n"); + cmn_err(CE_WARN, + "XFS: irixsgid is now a sysctl(2) variable, option is deprecated."); } else { - printk("XFS: unknown mount option [%s].\n", this_char); + cmn_err(CE_WARN, + "XFS: unknown mount option [%s].", this_char); return EINVAL; } } if (args->flags & XFSMNT_NORECOVERY) { if ((vfsp->vfs_flag & VFS_RDONLY) == 0) { - printk("XFS: no-recovery mounts must be read-only.\n"); + cmn_err(CE_WARN, + "XFS: no-recovery mounts must be read-only."); return EINVAL; } } if ((args->flags & XFSMNT_NOALIGN) && (dsunit || dswidth)) { - printk( - "XFS: sunit and swidth options incompatible with the noalign option\n"); + cmn_err(CE_WARN, + "XFS: sunit and swidth options incompatible with the noalign option"); return EINVAL; } if ((dsunit && !dswidth) || (!dsunit && dswidth)) { - printk("XFS: sunit and swidth must be specified together\n"); + cmn_err(CE_WARN, + "XFS: sunit and swidth must be specified together"); return EINVAL; } if (dsunit && (dswidth % dsunit != 0)) { - printk( - "XFS: stripe width (%d) must be a multiple of the stripe unit (%d)\n", + cmn_err(CE_WARN, + "XFS: stripe width (%d) must be a multiple of the stripe unit (%d)", dswidth, dsunit); return EINVAL; } @@ -1907,7 +1913,7 @@ xfs_showargs( }; struct proc_xfs_info *xfs_infop; struct xfs_mount *mp = XFS_BHVTOM(bhv); - struct vfs *vfsp = XFS_MTOVFS(mp); + struct bhv_vfs *vfsp = XFS_MTOVFS(mp); for (xfs_infop = xfs_info; xfs_infop->flag; xfs_infop++) { if (mp->m_flags & xfs_infop->flag) @@ -1967,7 +1973,7 @@ xfs_freeze( } -vfsops_t xfs_vfsops = { +bhv_vfsops_t xfs_vfsops = { BHV_IDENTITY_INIT(VFS_BHV_XFS,VFS_POSITION_XFS), .vfs_parseargs = xfs_parseargs, .vfs_showargs = xfs_showargs, diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 7027ae6..00a6b7d 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -16,8 +16,6 @@ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <linux/capability.h> - #include "xfs.h" #include "xfs_fs.h" #include "xfs_types.h" @@ -27,7 +25,6 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -35,13 +32,11 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" -#include "xfs_dir_leaf.h" #include "xfs_itable.h" #include "xfs_btree.h" #include "xfs_ialloc.h" @@ -58,32 +53,14 @@ #include "xfs_log_priv.h" #include "xfs_mac.h" - -/* - * The maximum pathlen is 1024 bytes. Since the minimum file system - * blocksize is 512 bytes, we can get a max of 2 extents back from - * bmapi. - */ -#define SYMLINK_MAPS 2 - -/* - * For xfs, we check that the file isn't too big to be opened by this kernel. - * No other open action is required for regular files. Devices are handled - * through the specfs file system, pipes through fifofs. Device and - * fifo vnodes are "wrapped" by specfs and fifofs vnodes, respectively, - * when a new vnode is first looked up or created. - */ STATIC int xfs_open( bhv_desc_t *bdp, cred_t *credp) { int mode; - vnode_t *vp; - xfs_inode_t *ip; - - vp = BHV_TO_VNODE(bdp); - ip = XFS_BHVTOI(bdp); + bhv_vnode_t *vp = BHV_TO_VNODE(bdp); + xfs_inode_t *ip = XFS_BHVTOI(bdp); if (XFS_FORCED_SHUTDOWN(ip->i_mount)) return XFS_ERROR(EIO); @@ -101,6 +78,35 @@ xfs_open( return 0; } +STATIC int +xfs_close( + bhv_desc_t *bdp, + int flags, + lastclose_t lastclose, + cred_t *credp) +{ + bhv_vnode_t *vp = BHV_TO_VNODE(bdp); + xfs_inode_t *ip = XFS_BHVTOI(bdp); + + if (XFS_FORCED_SHUTDOWN(ip->i_mount)) + return XFS_ERROR(EIO); + + if (lastclose != L_TRUE || !VN_ISREG(vp)) + return 0; + + /* + * If we previously truncated this file and removed old data in + * the process, we want to initiate "early" writeout on the last + * close. This is an attempt to combat the notorious NULL files + * problem which is particularly noticable from a truncate down, + * buffered (re-)write (delalloc), followed by a crash. What we + * are effectively doing here is significantly reducing the time + * window where we'd otherwise be exposed to that problem. + */ + if (VUNTRUNCATE(vp) && VN_DIRTY(vp) && ip->i_delayed_blks > 0) + return bhv_vop_flush_pages(vp, 0, -1, XFS_B_ASYNC, FI_NONE); + return 0; +} /* * xfs_getattr @@ -108,13 +114,13 @@ xfs_open( STATIC int xfs_getattr( bhv_desc_t *bdp, - vattr_t *vap, + bhv_vattr_t *vap, int flags, cred_t *credp) { xfs_inode_t *ip; xfs_mount_t *mp; - vnode_t *vp; + bhv_vnode_t *vp; vp = BHV_TO_VNODE(bdp); vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); @@ -241,7 +247,7 @@ xfs_getattr( int xfs_setattr( bhv_desc_t *bdp, - vattr_t *vap, + bhv_vattr_t *vap, int flags, cred_t *credp) { @@ -255,7 +261,7 @@ xfs_setattr( uid_t uid=0, iuid=0; gid_t gid=0, igid=0; int timeflags = 0; - vnode_t *vp; + bhv_vnode_t *vp; xfs_prid_t projid=0, iprojid=0; int mandlock_before, mandlock_after; struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2; @@ -347,7 +353,6 @@ xfs_setattr( */ tp = NULL; lock_flags = XFS_ILOCK_EXCL; - ASSERT(flags & ATTR_NOLOCK ? flags & ATTR_DMI : 1); if (flags & ATTR_NOLOCK) need_iolock = 0; if (!(mask & XFS_AT_SIZE)) { @@ -666,9 +671,17 @@ xfs_setattr( ((ip->i_d.di_nlink != 0 || !(mp->m_flags & XFS_MOUNT_WSYNC)) ? 1 : 0)); - if (code) { + if (code) goto abort_return; - } + /* + * Truncated "down", so we're removing references + * to old data here - if we now delay flushing for + * a long time, we expose ourselves unduly to the + * notorious NULL files problem. So, we mark this + * vnode and flush it when the file is closed, and + * do not wait the usual (long) time for writeout. + */ + VTRUNCATE(vp); } /* * Have to do this even if the file's size doesn't change. @@ -800,6 +813,8 @@ xfs_setattr( di_flags |= XFS_DIFLAG_NODUMP; if (vap->va_xflags & XFS_XFLAG_PROJINHERIT) di_flags |= XFS_DIFLAG_PROJINHERIT; + if (vap->va_xflags & XFS_XFLAG_NODEFRAG) + di_flags |= XFS_DIFLAG_NODEFRAG; if ((ip->i_d.di_mode & S_IFMT) == S_IFDIR) { if (vap->va_xflags & XFS_XFLAG_RTINHERIT) di_flags |= XFS_DIFLAG_RTINHERIT; @@ -869,7 +884,7 @@ xfs_setattr( */ mandlock_after = MANDLOCK(vp, ip->i_d.di_mode); if (mandlock_before != mandlock_after) { - VOP_VNODE_CHANGE(vp, VCHANGE_FLAGS_ENF_LOCKING, + bhv_vop_vnode_change(vp, VCHANGE_FLAGS_ENF_LOCKING, mandlock_after); } @@ -936,6 +951,13 @@ xfs_access( /* + * The maximum pathlen is 1024 bytes. Since the minimum file system + * blocksize is 512 bytes, we can get a max of 2 extents back from + * bmapi. + */ +#define SYMLINK_MAPS 2 + +/* * xfs_readlink * */ @@ -950,7 +972,7 @@ xfs_readlink( int count; xfs_off_t offset; int pathlen; - vnode_t *vp; + bhv_vnode_t *vp; int error = 0; xfs_mount_t *mp; int nmaps; @@ -1000,7 +1022,7 @@ xfs_readlink( nmaps = SYMLINK_MAPS; error = xfs_bmapi(NULL, ip, 0, XFS_B_TO_FSB(mp, pathlen), - 0, NULL, 0, mval, &nmaps, NULL); + 0, NULL, 0, mval, &nmaps, NULL, NULL); if (error) { goto error_return; @@ -1208,8 +1230,8 @@ xfs_inactive_free_eofblocks( nimaps = 1; xfs_ilock(ip, XFS_ILOCK_SHARED); - error = xfs_bmapi(NULL, ip, end_fsb, map_len, 0, - NULL, 0, &imap, &nimaps, NULL); + error = XFS_BMAPI(mp, NULL, &ip->i_iocore, end_fsb, map_len, 0, + NULL, 0, &imap, &nimaps, NULL, NULL); xfs_iunlock(ip, XFS_ILOCK_SHARED); if (!error && (nimaps != 0) && @@ -1338,7 +1360,7 @@ xfs_inactive_symlink_rmt( nmaps = ARRAY_SIZE(mval); if ((error = xfs_bmapi(tp, ip, 0, XFS_B_TO_FSB(mp, size), XFS_BMAPI_METADATA, &first_block, 0, mval, &nmaps, - &free_list))) + &free_list, NULL))) goto error0; /* * Invalidate the block(s). @@ -1353,7 +1375,7 @@ xfs_inactive_symlink_rmt( * Unmap the dead block(s) to the free_list. */ if ((error = xfs_bunmapi(tp, ip, 0, size, XFS_BMAPI_METADATA, nmaps, - &first_block, &free_list, &done))) + &first_block, &free_list, NULL, &done))) goto error1; ASSERT(done); /* @@ -1469,9 +1491,6 @@ xfs_inactive_symlink_local( return 0; } -/* - * - */ STATIC int xfs_inactive_attrs( xfs_inode_t *ip, @@ -1524,16 +1543,16 @@ xfs_release( bhv_desc_t *bdp) { xfs_inode_t *ip; - vnode_t *vp; + bhv_vnode_t *vp; xfs_mount_t *mp; int error; vp = BHV_TO_VNODE(bdp); ip = XFS_BHVTOI(bdp); + mp = ip->i_mount; - if (!VN_ISREG(vp) || (ip->i_d.di_mode == 0)) { + if (!VN_ISREG(vp) || (ip->i_d.di_mode == 0)) return 0; - } /* If this is a read-only mount, don't do this (would generate I/O) */ if (vp->v_vfsp->vfs_flag & VFS_RDONLY) @@ -1545,8 +1564,6 @@ xfs_release( return 0; #endif - mp = ip->i_mount; - if (ip->i_d.di_nlink != 0) { if ((((ip->i_d.di_mode & S_IFMT) == S_IFREG) && ((ip->i_d.di_size > 0) || (VN_CACHED(vp) > 0 || @@ -1579,8 +1596,8 @@ xfs_inactive( cred_t *credp) { xfs_inode_t *ip; - vnode_t *vp; - xfs_bmap_free_t free_list; + bhv_vnode_t *vp; + xfs_bmap_free_t free_list; xfs_fsblock_t first_block; int committed; xfs_trans_t *tp; @@ -1760,7 +1777,7 @@ xfs_inactive( cmn_err(CE_NOTE, "xfs_inactive: xfs_ifree() returned an error = %d on %s", error, mp->m_fsname); - xfs_force_shutdown(mp, XFS_METADATA_IO_ERROR); + xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR); } xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT); } else { @@ -1795,17 +1812,17 @@ xfs_inactive( STATIC int xfs_lookup( bhv_desc_t *dir_bdp, - vname_t *dentry, - vnode_t **vpp, + bhv_vname_t *dentry, + bhv_vnode_t **vpp, int flags, - vnode_t *rdir, + bhv_vnode_t *rdir, cred_t *credp) { xfs_inode_t *dp, *ip; xfs_ino_t e_inum; int error; uint lock_mode; - vnode_t *dir_vp; + bhv_vnode_t *dir_vp; dir_vp = BHV_TO_VNODE(dir_bdp); vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address); @@ -1832,15 +1849,15 @@ xfs_lookup( STATIC int xfs_create( bhv_desc_t *dir_bdp, - vname_t *dentry, - vattr_t *vap, - vnode_t **vpp, + bhv_vname_t *dentry, + bhv_vattr_t *vap, + bhv_vnode_t **vpp, cred_t *credp) { char *name = VNAME(dentry); - vnode_t *dir_vp; + bhv_vnode_t *dir_vp; xfs_inode_t *dp, *ip; - vnode_t *vp=NULL; + bhv_vnode_t *vp = NULL; xfs_trans_t *tp; xfs_mount_t *mp; xfs_dev_t rdev; @@ -1938,8 +1955,7 @@ xfs_create( if (error) goto error_return; - if (resblks == 0 && - (error = XFS_DIR_CANENTER(mp, tp, dp, name, namelen))) + if (resblks == 0 && (error = xfs_dir_canenter(tp, dp, name, namelen))) goto error_return; rdev = (vap->va_mask & XFS_AT_RDEV) ? vap->va_rdev : 0; error = xfs_dir_ialloc(&tp, dp, vap->va_mode, 1, @@ -1970,9 +1986,9 @@ xfs_create( xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); dp_joined_to_trans = B_TRUE; - error = XFS_DIR_CREATENAME(mp, tp, dp, name, namelen, ip->i_ino, - &first_block, &free_list, - resblks ? resblks - XFS_IALLOC_SPACE_RES(mp) : 0); + error = xfs_dir_createname(tp, dp, name, namelen, ip->i_ino, + &first_block, &free_list, resblks ? + resblks - XFS_IALLOC_SPACE_RES(mp) : 0); if (error) { ASSERT(error != ENOSPC); goto abort_return; @@ -2026,7 +2042,7 @@ xfs_create( * Propagate the fact that the vnode changed after the * xfs_inode locks have been released. */ - VOP_VNODE_CHANGE(vp, VCHANGE_FLAGS_TRUNCATED, 3); + bhv_vop_vnode_change(vp, VCHANGE_FLAGS_TRUNCATED, 3); *vpp = vp; @@ -2107,7 +2123,7 @@ int xfs_rm_attempts; STATIC int xfs_lock_dir_and_entry( xfs_inode_t *dp, - vname_t *dentry, + bhv_vname_t *dentry, xfs_inode_t *ip) /* inode of entry 'name' */ { int attempts; @@ -2321,10 +2337,10 @@ int remove_which_error_return = 0; STATIC int xfs_remove( bhv_desc_t *dir_bdp, - vname_t *dentry, + bhv_vname_t *dentry, cred_t *credp) { - vnode_t *dir_vp; + bhv_vnode_t *dir_vp; char *name = VNAME(dentry); xfs_inode_t *dp, *ip; xfs_trans_t *tp = NULL; @@ -2448,8 +2464,8 @@ xfs_remove( * Entry must exist since we did a lookup in xfs_lock_dir_and_entry. */ XFS_BMAP_INIT(&free_list, &first_block); - error = XFS_DIR_REMOVENAME(mp, tp, dp, name, namelen, ip->i_ino, - &first_block, &free_list, 0); + error = xfs_dir_removename(tp, dp, name, namelen, ip->i_ino, + &first_block, &free_list, 0); if (error) { ASSERT(error != ENOENT); REMOVE_DEBUG_TRACE(__LINE__); @@ -2511,7 +2527,7 @@ xfs_remove( /* * Let interposed file systems know about removed links. */ - VOP_LINK_REMOVED(XFS_ITOV(ip), dir_vp, link_zero); + bhv_vop_link_removed(XFS_ITOV(ip), dir_vp, link_zero); IRELE(ip); @@ -2564,8 +2580,8 @@ xfs_remove( STATIC int xfs_link( bhv_desc_t *target_dir_bdp, - vnode_t *src_vp, - vname_t *dentry, + bhv_vnode_t *src_vp, + bhv_vname_t *dentry, cred_t *credp) { xfs_inode_t *tdp, *sip; @@ -2577,7 +2593,7 @@ xfs_link( xfs_fsblock_t first_block; int cancel_flags; int committed; - vnode_t *target_dir_vp; + bhv_vnode_t *target_dir_vp; int resblks; char *target_name = VNAME(dentry); int target_namelen; @@ -2668,13 +2684,12 @@ xfs_link( } if (resblks == 0 && - (error = XFS_DIR_CANENTER(mp, tp, tdp, target_name, - target_namelen))) + (error = xfs_dir_canenter(tp, tdp, target_name, target_namelen))) goto error_return; XFS_BMAP_INIT(&free_list, &first_block); - error = XFS_DIR_CREATENAME(mp, tp, tdp, target_name, target_namelen, + error = xfs_dir_createname(tp, tdp, target_name, target_namelen, sip->i_ino, &first_block, &free_list, resblks); if (error) @@ -2734,15 +2749,15 @@ std_return: STATIC int xfs_mkdir( bhv_desc_t *dir_bdp, - vname_t *dentry, - vattr_t *vap, - vnode_t **vpp, + bhv_vname_t *dentry, + bhv_vattr_t *vap, + bhv_vnode_t **vpp, cred_t *credp) { char *dir_name = VNAME(dentry); xfs_inode_t *dp; xfs_inode_t *cdp; /* inode of created dir */ - vnode_t *cvp; /* vnode of created dir */ + bhv_vnode_t *cvp; /* vnode of created dir */ xfs_trans_t *tp; xfs_mount_t *mp; int cancel_flags; @@ -2750,7 +2765,7 @@ xfs_mkdir( int committed; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; - vnode_t *dir_vp; + bhv_vnode_t *dir_vp; boolean_t dp_joined_to_trans; boolean_t created = B_FALSE; int dm_event_sent = 0; @@ -2840,7 +2855,7 @@ xfs_mkdir( goto error_return; if (resblks == 0 && - (error = XFS_DIR_CANENTER(mp, tp, dp, dir_name, dir_namelen))) + (error = xfs_dir_canenter(tp, dp, dir_name, dir_namelen))) goto error_return; /* * create the directory inode. @@ -2867,9 +2882,9 @@ xfs_mkdir( XFS_BMAP_INIT(&free_list, &first_block); - error = XFS_DIR_CREATENAME(mp, tp, dp, dir_name, dir_namelen, - cdp->i_ino, &first_block, &free_list, - resblks ? resblks - XFS_IALLOC_SPACE_RES(mp) : 0); + error = xfs_dir_createname(tp, dp, dir_name, dir_namelen, cdp->i_ino, + &first_block, &free_list, resblks ? + resblks - XFS_IALLOC_SPACE_RES(mp) : 0); if (error) { ASSERT(error != ENOSPC); goto error1; @@ -2883,16 +2898,14 @@ xfs_mkdir( */ dp->i_gen++; - error = XFS_DIR_INIT(mp, tp, cdp, dp); - if (error) { + error = xfs_dir_init(tp, cdp, dp); + if (error) goto error2; - } cdp->i_gen = 1; error = xfs_bumplink(tp, dp); - if (error) { + if (error) goto error2; - } cvp = XFS_ITOV(cdp); @@ -2969,7 +2982,7 @@ std_return: STATIC int xfs_rmdir( bhv_desc_t *dir_bdp, - vname_t *dentry, + bhv_vname_t *dentry, cred_t *credp) { char *name = VNAME(dentry); @@ -2982,7 +2995,7 @@ xfs_rmdir( xfs_fsblock_t first_block; int cancel_flags; int committed; - vnode_t *dir_vp; + bhv_vnode_t *dir_vp; int dm_di_mode = 0; int last_cdp_link; int namelen; @@ -3101,16 +3114,15 @@ xfs_rmdir( error = XFS_ERROR(ENOTEMPTY); goto error_return; } - if (!XFS_DIR_ISEMPTY(mp, cdp)) { + if (!xfs_dir_isempty(cdp)) { error = XFS_ERROR(ENOTEMPTY); goto error_return; } - error = XFS_DIR_REMOVENAME(mp, tp, dp, name, namelen, cdp->i_ino, - &first_block, &free_list, resblks); - if (error) { + error = xfs_dir_removename(tp, dp, name, namelen, cdp->i_ino, + &first_block, &free_list, resblks); + if (error) goto error1; - } xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); @@ -3181,7 +3193,7 @@ xfs_rmdir( /* * Let interposed file systems know about removed links. */ - VOP_LINK_REMOVED(XFS_ITOV(cdp), dir_vp, last_cdp_link); + bhv_vop_link_removed(XFS_ITOV(cdp), dir_vp, last_cdp_link); IRELE(cdp); @@ -3209,8 +3221,6 @@ xfs_rmdir( /* - * xfs_readdir - * * Read dp's entries starting at uiop->uio_offset and translate them into * bufsize bytes worth of struct dirents starting at bufbase. */ @@ -3230,28 +3240,23 @@ xfs_readdir( (inst_t *)__return_address); dp = XFS_BHVTOI(dir_bdp); - if (XFS_FORCED_SHUTDOWN(dp->i_mount)) { + if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return XFS_ERROR(EIO); - } lock_mode = xfs_ilock_map_shared(dp); - error = XFS_DIR_GETDENTS(dp->i_mount, tp, dp, uiop, eofp); + error = xfs_dir_getdents(tp, dp, uiop, eofp); xfs_iunlock_map_shared(dp, lock_mode); return error; } -/* - * xfs_symlink - * - */ STATIC int xfs_symlink( bhv_desc_t *dir_bdp, - vname_t *dentry, - vattr_t *vap, + bhv_vname_t *dentry, + bhv_vattr_t *vap, char *target_path, - vnode_t **vpp, + bhv_vnode_t **vpp, cred_t *credp) { xfs_trans_t *tp; @@ -3263,7 +3268,7 @@ xfs_symlink( xfs_bmap_free_t free_list; xfs_fsblock_t first_block; boolean_t dp_joined_to_trans; - vnode_t *dir_vp; + bhv_vnode_t *dir_vp; uint cancel_flags; int committed; xfs_fileoff_t first_fsb; @@ -3308,7 +3313,7 @@ xfs_symlink( int len, total; char *path; - for(total = 0, path = target_path; total < pathlen;) { + for (total = 0, path = target_path; total < pathlen;) { /* * Skip any slashes. */ @@ -3402,7 +3407,7 @@ xfs_symlink( * Check for ability to enter directory entry, if no space reserved. */ if (resblks == 0 && - (error = XFS_DIR_CANENTER(mp, tp, dp, link_name, link_namelen))) + (error = xfs_dir_canenter(tp, dp, link_name, link_namelen))) goto error_return; /* * Initialize the bmap freelist prior to calling either @@ -3457,7 +3462,7 @@ xfs_symlink( error = xfs_bmapi(tp, ip, first_fsb, fs_blocks, XFS_BMAPI_WRITE | XFS_BMAPI_METADATA, &first_block, resblks, mval, &nmaps, - &free_list); + &free_list, NULL); if (error) { goto error1; } @@ -3489,11 +3494,10 @@ xfs_symlink( /* * Create the directory entry for the symlink. */ - error = XFS_DIR_CREATENAME(mp, tp, dp, link_name, link_namelen, - ip->i_ino, &first_block, &free_list, resblks); - if (error) { + error = xfs_dir_createname(tp, dp, link_name, link_namelen, ip->i_ino, + &first_block, &free_list, resblks); + if (error) goto error1; - } xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); @@ -3541,7 +3545,7 @@ std_return: } if (!error) { - vnode_t *vp; + bhv_vnode_t *vp; ASSERT(ip); vp = XFS_ITOV(ip); @@ -3606,10 +3610,10 @@ xfs_fid2( int xfs_rwlock( bhv_desc_t *bdp, - vrwlock_t locktype) + bhv_vrwlock_t locktype) { xfs_inode_t *ip; - vnode_t *vp; + bhv_vnode_t *vp; vp = BHV_TO_VNODE(bdp); if (VN_ISDIR(vp)) @@ -3637,10 +3641,10 @@ xfs_rwlock( void xfs_rwunlock( bhv_desc_t *bdp, - vrwlock_t locktype) + bhv_vrwlock_t locktype) { xfs_inode_t *ip; - vnode_t *vp; + bhv_vnode_t *vp; vp = BHV_TO_VNODE(bdp); if (VN_ISDIR(vp)) @@ -3744,7 +3748,6 @@ xfs_inode_flush( return error; } - int xfs_set_dmattrs ( bhv_desc_t *bdp, @@ -3785,16 +3788,12 @@ xfs_set_dmattrs ( return error; } - -/* - * xfs_reclaim - */ STATIC int xfs_reclaim( bhv_desc_t *bdp) { xfs_inode_t *ip; - vnode_t *vp; + bhv_vnode_t *vp; vp = BHV_TO_VNODE(bdp); ip = XFS_BHVTOI(bdp); @@ -3849,7 +3848,7 @@ xfs_finish_reclaim( int sync_mode) { xfs_ihash_t *ih = ip->i_hash; - vnode_t *vp = XFS_ITOV_NULL(ip); + bhv_vnode_t *vp = XFS_ITOV_NULL(ip); int error; if (vp && VN_BAD(vp)) @@ -4116,10 +4115,10 @@ retry: * Issue the xfs_bmapi() call to allocate the blocks */ XFS_BMAP_INIT(&free_list, &firstfsb); - error = xfs_bmapi(tp, ip, startoffset_fsb, + error = XFS_BMAPI(mp, tp, &ip->i_iocore, startoffset_fsb, allocatesize_fsb, bmapi_flag, &firstfsb, 0, imapp, &nimaps, - &free_list); + &free_list, NULL); if (error) { goto error0; } @@ -4199,8 +4198,8 @@ xfs_zero_remaining_bytes( for (offset = startoff; offset <= endoff; offset = lastoffset + 1) { offset_fsb = XFS_B_TO_FSBT(mp, offset); nimap = 1; - error = xfs_bmapi(NULL, ip, offset_fsb, 1, 0, NULL, 0, &imap, - &nimap, NULL); + error = XFS_BMAPI(mp, NULL, &ip->i_iocore, offset_fsb, 1, 0, + NULL, 0, &imap, &nimap, NULL, NULL); if (error || nimap < 1) break; ASSERT(imap.br_blockcount >= 1); @@ -4259,7 +4258,7 @@ xfs_free_file_space( xfs_off_t len, int attr_flags) { - vnode_t *vp; + bhv_vnode_t *vp; int committed; int done; xfs_off_t end_dmi_offset; @@ -4308,7 +4307,6 @@ xfs_free_file_space( return error; } - ASSERT(attr_flags & ATTR_NOLOCK ? attr_flags & ATTR_DMI : 1); if (attr_flags & ATTR_NOLOCK) need_iolock = 0; if (need_iolock) { @@ -4326,7 +4324,7 @@ xfs_free_file_space( if (VN_CACHED(vp) != 0) { xfs_inval_cached_trace(&ip->i_iocore, ioffset, -1, ctooff(offtoct(ioffset)), -1); - VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(ioffset)), + bhv_vop_flushinval_pages(vp, ctooff(offtoct(ioffset)), -1, FI_REMAPF_LOCKED); } @@ -4338,8 +4336,8 @@ xfs_free_file_space( */ if (rt && !XFS_SB_VERSION_HASEXTFLGBIT(&mp->m_sb)) { nimap = 1; - error = xfs_bmapi(NULL, ip, startoffset_fsb, 1, 0, NULL, 0, - &imap, &nimap, NULL); + error = XFS_BMAPI(mp, NULL, &ip->i_iocore, startoffset_fsb, + 1, 0, NULL, 0, &imap, &nimap, NULL, NULL); if (error) goto out_unlock_iolock; ASSERT(nimap == 0 || nimap == 1); @@ -4353,8 +4351,8 @@ xfs_free_file_space( startoffset_fsb += mp->m_sb.sb_rextsize - mod; } nimap = 1; - error = xfs_bmapi(NULL, ip, endoffset_fsb - 1, 1, 0, NULL, 0, - &imap, &nimap, NULL); + error = XFS_BMAPI(mp, NULL, &ip->i_iocore, endoffset_fsb - 1, + 1, 0, NULL, 0, &imap, &nimap, NULL, NULL); if (error) goto out_unlock_iolock; ASSERT(nimap == 0 || nimap == 1); @@ -4426,9 +4424,9 @@ xfs_free_file_space( * issue the bunmapi() call to free the blocks */ XFS_BMAP_INIT(&free_list, &firstfsb); - error = xfs_bunmapi(tp, ip, startoffset_fsb, + error = XFS_BUNMAPI(mp, tp, &ip->i_iocore, startoffset_fsb, endoffset_fsb - startoffset_fsb, - 0, 2, &firstfsb, &free_list, &done); + 0, 2, &firstfsb, &free_list, NULL, &done); if (error) { goto error0; } @@ -4488,8 +4486,8 @@ xfs_change_file_space( xfs_off_t startoffset; xfs_off_t llen; xfs_trans_t *tp; - vattr_t va; - vnode_t *vp; + bhv_vattr_t va; + bhv_vnode_t *vp; vp = BHV_TO_VNODE(bdp); vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); @@ -4642,9 +4640,10 @@ xfs_change_file_space( return error; } -vnodeops_t xfs_vnodeops = { +bhv_vnodeops_t xfs_vnodeops = { BHV_IDENTITY_INIT(VN_BHV_XFS,VNODE_POSITION_XFS), .vop_open = xfs_open, + .vop_close = xfs_close, .vop_read = xfs_read, #ifdef HAVE_SENDFILE .vop_sendfile = xfs_sendfile, |
