diff options
Diffstat (limited to 'fs')
171 files changed, 3090 insertions, 1838 deletions
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index bed48fa..3128aa9 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -29,7 +29,6 @@ #include <linux/file.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/pagemap.h> #include <linux/idr.h> diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c index ddffd8a..775e26e 100644 --- a/fs/9p/vfs_dentry.c +++ b/fs/9p/vfs_dentry.c @@ -30,7 +30,6 @@ #include <linux/pagemap.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/namei.h> #include <linux/idr.h> diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c index 3129688..1dd86ee 100644 --- a/fs/9p/vfs_dir.c +++ b/fs/9p/vfs_dir.c @@ -29,7 +29,6 @@ #include <linux/file.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/sched.h> #include <linux/inet.h> #include <linux/idr.h> diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index c7b6772..6e7678e 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -30,7 +30,6 @@ #include <linux/file.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/list.h> #include <asm/uaccess.h> diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index b01b0a4..7624821 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -30,7 +30,6 @@ #include <linux/pagemap.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/namei.h> #include <linux/idr.h> diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 0ec42f6..8eb9263 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -31,7 +31,6 @@ #include <linux/file.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/pagemap.h> #include <linux/seq_file.h> @@ -314,7 +314,7 @@ config REISERFS_CHECK config REISERFS_PROC_INFO bool "Stats in /proc/fs/reiserfs" - depends on REISERFS_FS + depends on REISERFS_FS && PROC_FS help Create under /proc/fs/reiserfs a hierarchy of files, displaying various ReiserFS statistics and internal data at the expense of @@ -9,7 +9,6 @@ #include <linux/time.h> #include <linux/mm.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/capability.h> #include <linux/fsnotify.h> #include <linux/fcntl.h> diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 26063dc..5769a2f 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -18,7 +18,6 @@ #include <linux/pagemap.h> #include <linux/parser.h> #include <linux/bitops.h> -#include <linux/smp_lock.h> #include <linux/magic.h> #include "autofs_i.h" #include <linux/module.h> diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index d0e9b3a..15170f4 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -17,7 +17,6 @@ #include <linux/stat.h> #include <linux/param.h> #include <linux/time.h> -#include <linux/smp_lock.h> #include "autofs_i.h" static int autofs4_dir_symlink(struct inode *,struct dentry *,const char *); diff --git a/fs/bad_inode.c b/fs/bad_inode.c index efeab2f..329ee47 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -12,7 +12,6 @@ #include <linux/module.h> #include <linux/stat.h> #include <linux/time.h> -#include <linux/smp_lock.h> #include <linux/namei.h> #include <linux/poll.h> diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 9cc4f0a..fa8ea33 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -31,7 +31,6 @@ #include <linux/init.h> #include <linux/highuid.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/compiler.h> #include <linux/highmem.h> #include <linux/pagemap.h> @@ -39,6 +38,7 @@ #include <linux/syscalls.h> #include <linux/random.h> #include <linux/elf.h> +#include <linux/utsname.h> #include <asm/uaccess.h> #include <asm/param.h> #include <asm/page.h> @@ -871,6 +871,8 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) elf_prot, elf_flags); if (BAD_ADDR(error)) { send_sig(SIGKILL, current, 0); + retval = IS_ERR((void *)error) ? + PTR_ERR((void*)error) : -EINVAL; goto out_free_dentry; } @@ -900,6 +902,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) TASK_SIZE - elf_ppnt->p_memsz < k) { /* set_brk can never work. Avoid overflows. */ send_sig(SIGKILL, current, 0); + retval = -EINVAL; goto out_free_dentry; } diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index f3ddca4..9d62fbad 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -30,7 +30,6 @@ #include <linux/personality.h> #include <linux/ptrace.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/elf.h> #include <linux/elf-fdpic.h> #include <linux/elfcore.h> diff --git a/fs/binfmt_em86.c b/fs/binfmt_em86.c index 1f2d1ad..576dd7d 100644 --- a/fs/binfmt_em86.c +++ b/fs/binfmt_em86.c @@ -12,7 +12,6 @@ #include <linux/string.h> #include <linux/stat.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/binfmts.h> #include <linux/elf.h> #include <linux/init.h> diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index e6f5799..18657f0 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -727,8 +727,8 @@ static const struct super_operations s_ops = { static int bm_fill_super(struct super_block * sb, void * data, int silent) { static struct tree_descr bm_files[] = { - [1] = {"status", &bm_status_operations, S_IWUSR|S_IRUGO}, - [2] = {"register", &bm_register_operations, S_IWUSR}, + [2] = {"status", &bm_status_operations, S_IWUSR|S_IRUGO}, + [3] = {"register", &bm_register_operations, S_IWUSR}, /* last one */ {""} }; int err = simple_fill_super(sb, 0x42494e4d, bm_files); diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c index 1edbcca..304c885 100644 --- a/fs/binfmt_script.c +++ b/fs/binfmt_script.c @@ -12,7 +12,6 @@ #include <linux/binfmts.h> #include <linux/init.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/err.h> #include <linux/fs.h> diff --git a/fs/block_dev.c b/fs/block_dev.c index f02b7bd..7428992 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -22,6 +22,7 @@ #include <linux/mount.h> #include <linux/uio.h> #include <linux/namei.h> +#include <linux/log2.h> #include <asm/uaccess.h> #include "internal.h" @@ -67,7 +68,7 @@ static void kill_bdev(struct block_device *bdev) int set_blocksize(struct block_device *bdev, int size) { /* Size must be a power of two, and between 512 and PAGE_SIZE */ - if (size > PAGE_SIZE || size < 512 || (size & (size-1))) + if (size > PAGE_SIZE || size < 512 || !is_power_of_2(size)) return -EINVAL; /* Size cannot be smaller than the size supported by the device */ diff --git a/fs/buffer.c b/fs/buffer.c index 7db24b9..eb820b8 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -24,7 +24,6 @@ #include <linux/mm.h> #include <linux/percpu.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/capability.h> #include <linux/blkdev.h> #include <linux/file.h> @@ -1727,6 +1726,7 @@ recover: } while ((bh = bh->b_this_page) != head); SetPageError(page); BUG_ON(PageWriteback(page)); + mapping_set_error(page->mapping, err); set_page_writeback(page); do { struct buffer_head *next = bh->b_this_page; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index b570530..94d5b49 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -27,7 +27,6 @@ #include <linux/fcntl.h> #include <linux/pagemap.h> #include <linux/pagevec.h> -#include <linux/smp_lock.h> #include <linux/writeback.h> #include <linux/task_io_accounting_ops.h> #include <linux/delay.h> diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index b5364f90..c08bda9 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -23,7 +23,6 @@ #include <linux/fs.h> #include <linux/pagemap.h> #include <linux/stat.h> -#include <linux/smp_lock.h> #include "cifspdu.h" #include "cifsglob.h" #include "cifsproto.h" diff --git a/fs/compat.c b/fs/compat.c index 72e5e69..9cf75df 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -15,6 +15,7 @@ * published by the Free Software Foundation. */ +#include <linux/kernel.h> #include <linux/linkage.h> #include <linux/compat.h> #include <linux/errno.h> @@ -24,10 +25,8 @@ #include <linux/namei.h> #include <linux/file.h> #include <linux/vfs.h> -#include <linux/ioctl32.h> #include <linux/ioctl.h> #include <linux/init.h> -#include <linux/sockios.h> /* for SIOCDEVPRIVATE */ #include <linux/smb.h> #include <linux/smb_mount.h> #include <linux/ncp_mount.h> @@ -45,13 +44,12 @@ #include <linux/personality.h> #include <linux/rwsem.h> #include <linux/tsacct_kern.h> +#include <linux/security.h> #include <linux/highmem.h> #include <linux/poll.h> #include <linux/mm.h> #include <linux/eventpoll.h> -#include <net/sock.h> /* siocdevprivate_ioctl */ - #include <asm/uaccess.h> #include <asm/mmu_context.h> #include <asm/ioctls.h> @@ -79,30 +77,57 @@ int compat_printk(const char *fmt, ...) */ asmlinkage long compat_sys_utime(char __user *filename, struct compat_utimbuf __user *t) { - struct timeval tv[2]; + struct timespec tv[2]; if (t) { if (get_user(tv[0].tv_sec, &t->actime) || get_user(tv[1].tv_sec, &t->modtime)) return -EFAULT; - tv[0].tv_usec = 0; - tv[1].tv_usec = 0; + tv[0].tv_nsec = 0; + tv[1].tv_nsec = 0; + } + return do_utimes(AT_FDCWD, filename, t ? tv : NULL, 0); +} + +asmlinkage long compat_sys_utimensat(unsigned int dfd, char __user *filename, struct compat_timespec __user *t, int flags) +{ + struct timespec tv[2]; + + if (t) { + if (get_compat_timespec(&tv[0], &t[0]) || + get_compat_timespec(&tv[1], &t[1])) + return -EFAULT; + + if ((tv[0].tv_nsec == UTIME_OMIT || tv[0].tv_nsec == UTIME_NOW) + && tv[0].tv_sec != 0) + return -EINVAL; + if ((tv[1].tv_nsec == UTIME_OMIT || tv[1].tv_nsec == UTIME_NOW) + && tv[1].tv_sec != 0) + return -EINVAL; + + if (tv[0].tv_nsec == UTIME_OMIT && tv[1].tv_nsec == UTIME_OMIT) + return 0; } - return do_utimes(AT_FDCWD, filename, t ? tv : NULL); + return do_utimes(dfd, filename, t ? tv : NULL, flags); } asmlinkage long compat_sys_futimesat(unsigned int dfd, char __user *filename, struct compat_timeval __user *t) { - struct timeval tv[2]; + struct timespec tv[2]; if (t) { if (get_user(tv[0].tv_sec, &t[0].tv_sec) || - get_user(tv[0].tv_usec, &t[0].tv_usec) || + get_user(tv[0].tv_nsec, &t[0].tv_usec) || get_user(tv[1].tv_sec, &t[1].tv_sec) || - get_user(tv[1].tv_usec, &t[1].tv_usec)) + get_user(tv[1].tv_nsec, &t[1].tv_usec)) return -EFAULT; + if (tv[0].tv_nsec >= 1000000 || tv[0].tv_nsec < 0 || + tv[1].tv_nsec >= 1000000 || tv[1].tv_nsec < 0) + return -EINVAL; + tv[0].tv_nsec *= 1000; + tv[1].tv_nsec *= 1000; } - return do_utimes(dfd, filename, t ? tv : NULL); + return do_utimes(dfd, filename, t ? tv : NULL, 0); } asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval __user *t) @@ -312,163 +337,6 @@ out: return error; } -/* ioctl32 stuff, used by sparc64, parisc, s390x, ppc64, x86_64, MIPS */ - -#define IOCTL_HASHSIZE 256 -static struct ioctl_trans *ioctl32_hash_table[IOCTL_HASHSIZE]; - -static inline unsigned long ioctl32_hash(unsigned long cmd) -{ - return (((cmd >> 6) ^ (cmd >> 4) ^ cmd)) % IOCTL_HASHSIZE; -} - -static void ioctl32_insert_translation(struct ioctl_trans *trans) -{ - unsigned long hash; - struct ioctl_trans *t; - - hash = ioctl32_hash (trans->cmd); - if (!ioctl32_hash_table[hash]) - ioctl32_hash_table[hash] = trans; - else { - t = ioctl32_hash_table[hash]; - while (t->next) - t = t->next; - trans->next = NULL; - t->next = trans; - } -} - -static int __init init_sys32_ioctl(void) -{ - int i; - - for (i = 0; i < ioctl_table_size; i++) { - if (ioctl_start[i].next != 0) { - printk("ioctl translation %d bad\n",i); - return -1; - } - - ioctl32_insert_translation(&ioctl_start[i]); - } - return 0; -} - -__initcall(init_sys32_ioctl); - -static void compat_ioctl_error(struct file *filp, unsigned int fd, - unsigned int cmd, unsigned long arg) -{ - char buf[10]; - char *fn = "?"; - char *path; - - /* find the name of the device. */ - path = (char *)__get_free_page(GFP_KERNEL); - if (path) { - fn = d_path(filp->f_path.dentry, filp->f_path.mnt, path, PAGE_SIZE); - if (IS_ERR(fn)) - fn = "?"; - } - - sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK); - if (!isprint(buf[1])) - sprintf(buf, "%02x", buf[1]); - compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) " - "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n", - current->comm, current->pid, - (int)fd, (unsigned int)cmd, buf, - (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK, - (unsigned int)arg, fn); - - if (path) - free_page((unsigned long)path); -} - -asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, - unsigned long arg) -{ - struct file *filp; - int error = -EBADF; - struct ioctl_trans *t; - int fput_needed; - - filp = fget_light(fd, &fput_needed); - if (!filp) - goto out; - - /* RED-PEN how should LSM module know it's handling 32bit? */ - error = security_file_ioctl(filp, cmd, arg); - if (error) - goto out_fput; - - /* - * To allow the compat_ioctl handlers to be self contained - * we need to check the common ioctls here first. - * Just handle them with the standard handlers below. - */ - switch (cmd) { - case FIOCLEX: - case FIONCLEX: - case FIONBIO: - case FIOASYNC: - case FIOQSIZE: - break; - - case FIBMAP: - case FIGETBSZ: - case FIONREAD: - if (S_ISREG(filp->f_path.dentry->d_inode->i_mode)) - break; - /*FALL THROUGH*/ - - default: - if (filp->f_op && filp->f_op->compat_ioctl) { - error = filp->f_op->compat_ioctl(filp, cmd, arg); - if (error != -ENOIOCTLCMD) - goto out_fput; - } - - if (!filp->f_op || - (!filp->f_op->ioctl && !filp->f_op->unlocked_ioctl)) - goto do_ioctl; - break; - } - - for (t = ioctl32_hash_table[ioctl32_hash(cmd)]; t; t = t->next) { - if (t->cmd == cmd) - goto found_handler; - } - - if (S_ISSOCK(filp->f_path.dentry->d_inode->i_mode) && - cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) { - error = siocdevprivate_ioctl(fd, cmd, arg); - } else { - static int count; - - if (++count <= 50) - compat_ioctl_error(filp, fd, cmd, arg); - error = -EINVAL; - } - - goto out_fput; - - found_handler: - if (t->handler) { - lock_kernel(); - error = t->handler(fd, cmd, arg, filp); - unlock_kernel(); - goto out_fput; - } - - do_ioctl: - error = vfs_ioctl(filp, fd, cmd, arg); - out_fput: - fput_light(filp, fput_needed); - out: - return error; -} - static int get_compat_flock(struct flock *kfl, struct compat_flock __user *ufl) { if (!access_ok(VERIFY_READ, ufl, sizeof(*ufl)) || @@ -902,8 +770,6 @@ asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name, } #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de))) -#define COMPAT_ROUND_UP(x) (((x)+sizeof(compat_long_t)-1) & \ - ~(sizeof(compat_long_t)-1)) struct compat_old_linux_dirent { compat_ulong_t d_ino; @@ -991,7 +857,7 @@ static int compat_filldir(void *__buf, const char *name, int namlen, struct compat_linux_dirent __user * dirent; struct compat_getdents_callback *buf = __buf; compat_ulong_t d_ino; - int reclen = COMPAT_ROUND_UP(NAME_OFFSET(dirent) + namlen + 2); + int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 2, sizeof(compat_long_t)); buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) @@ -1066,7 +932,6 @@ out: } #ifndef __ARCH_OMIT_COMPAT_SYS_GETDENTS64 -#define COMPAT_ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1)) struct compat_getdents_callback64 { struct linux_dirent64 __user *current_dir; @@ -1081,7 +946,7 @@ static int compat_filldir64(void * __buf, const char * name, int namlen, loff_t struct linux_dirent64 __user *dirent; struct compat_getdents_callback64 *buf = __buf; int jj = NAME_OFFSET(dirent); - int reclen = COMPAT_ROUND_UP64(jj + namlen + 1); + int reclen = ALIGN(jj + namlen + 1, sizeof(u64)); u64 off; buf->error = -EINVAL; /* only used if we fail.. */ @@ -1594,8 +1459,6 @@ out_ret: #define __COMPAT_NFDBITS (8 * sizeof(compat_ulong_t)) -#define ROUND_UP(x,y) (((x)+(y)-1)/(y)) - /* * Ooo, nasty. We need here to frob 32-bit unsigned longs to * 64-bit unsigned longs. @@ -1604,7 +1467,7 @@ static int compat_get_fd_set(unsigned long nr, compat_ulong_t __user *ufdset, unsigned long *fdset) { - nr = ROUND_UP(nr, __COMPAT_NFDBITS); + nr = DIV_ROUND_UP(nr, __COMPAT_NFDBITS); if (ufdset) { unsigned long odd; @@ -1638,7 +1501,7 @@ int compat_set_fd_set(unsigned long nr, compat_ulong_t __user *ufdset, unsigned long *fdset) { unsigned long odd; - nr = ROUND_UP(nr, __COMPAT_NFDBITS); + nr = DIV_ROUND_UP(nr, __COMPAT_NFDBITS); if (!ufdset) return 0; @@ -1760,7 +1623,7 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, if ((u64)tv.tv_sec >= (u64)MAX_INT64_SECONDS) timeout = -1; /* infinite */ else { - timeout = ROUND_UP(tv.tv_usec, 1000000/HZ); + timeout = DIV_ROUND_UP(tv.tv_usec, 1000000/HZ); timeout += tv.tv_sec * HZ; } } @@ -1828,7 +1691,7 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp, do { if (tsp) { if ((unsigned long)ts.tv_sec < MAX_SELECT_SECONDS) { - timeout = ROUND_UP(ts.tv_nsec, 1000000000/HZ); + timeout = DIV_ROUND_UP(ts.tv_nsec, 1000000000/HZ); timeout += ts.tv_sec * (unsigned long)HZ; ts.tv_sec = 0; ts.tv_nsec = 0; @@ -1924,7 +1787,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, /* We assume that ts.tv_sec is always lower than the number of seconds that can be expressed in an s64. Otherwise the compiler bitches at us */ - timeout = ROUND_UP(ts.tv_nsec, 1000000000/HZ); + timeout = DIV_ROUND_UP(ts.tv_nsec, 1000000000/HZ); timeout += ts.tv_sec * HZ; } diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 464c04a..d92bc3e 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -17,7 +17,6 @@ #include <linux/compiler.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ioctl.h> #include <linux/if.h> #include <linux/if_bridge.h> @@ -58,7 +57,6 @@ #include <linux/serial.h> #include <linux/if_tun.h> #include <linux/ctype.h> -#include <linux/ioctl32.h> #include <linux/syscalls.h> #include <linux/i2c.h> #include <linux/i2c-dev.h> @@ -66,7 +64,6 @@ #include <linux/atalk.h> #include <linux/blktrace_api.h> -#include <net/sock.h> /* siocdevprivate_ioctl */ #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci.h> #include <net/bluetooth/rfcomm.h> @@ -475,7 +472,7 @@ static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) }; } -int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) +static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) { struct ifreq __user *u_ifreq64; struct ifreq32 __user *u_ifreq32 = compat_ptr(arg); @@ -687,8 +684,10 @@ static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg) if (!err) { err = copy_to_user (ugeo, &geo, 4); err |= __put_user (geo.start, &ugeo->start); + if (err) + err = -EFAULT; } - return err ? -EFAULT : 0; + return err; } static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) @@ -2385,6 +2384,16 @@ lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg) return sys_ioctl(fd, cmd, (unsigned long)tn); } + +typedef int (*ioctl_trans_handler_t)(unsigned int, unsigned int, + unsigned long, struct file *); + +struct ioctl_trans { + unsigned long cmd; + ioctl_trans_handler_t handler; + struct ioctl_trans *next; +}; + #define HANDLE_IOCTL(cmd,handler) \ { (cmd), (ioctl_trans_handler_t)(handler) }, @@ -2405,8 +2414,835 @@ lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg) Most other reasons are not valid. */ #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd) -struct ioctl_trans ioctl_start[] = { -#include <linux/compat_ioctl.h> +static struct ioctl_trans ioctl_start[] = { +/* compatible ioctls first */ +COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */ +COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */ + +/* Big T */ +COMPATIBLE_IOCTL(TCGETA) +COMPATIBLE_IOCTL(TCSETA) +COMPATIBLE_IOCTL(TCSETAW) +COMPATIBLE_IOCTL(TCSETAF) +COMPATIBLE_IOCTL(TCSBRK) +ULONG_IOCTL(TCSBRKP) +COMPATIBLE_IOCTL(TCXONC) +COMPATIBLE_IOCTL(TCFLSH) +COMPATIBLE_IOCTL(TCGETS) +COMPATIBLE_IOCTL(TCSETS) +COMPATIBLE_IOCTL(TCSETSW) +COMPATIBLE_IOCTL(TCSETSF) +COMPATIBLE_IOCTL(TIOCLINUX) +COMPATIBLE_IOCTL(TIOCSBRK) +COMPATIBLE_IOCTL(TIOCCBRK) +ULONG_IOCTL(TIOCMIWAIT) +COMPATIBLE_IOCTL(TIOCGICOUNT) +/* Little t */ +COMPATIBLE_IOCTL(TIOCGETD) +COMPATIBLE_IOCTL(TIOCSETD) +COMPATIBLE_IOCTL(TIOCEXCL) +COMPATIBLE_IOCTL(TIOCNXCL) +COMPATIBLE_IOCTL(TIOCCONS) +COMPATIBLE_IOCTL(TIOCGSOFTCAR) +COMPATIBLE_IOCTL(TIOCSSOFTCAR) +COMPATIBLE_IOCTL(TIOCSWINSZ) +COMPATIBLE_IOCTL(TIOCGWINSZ) +COMPATIBLE_IOCTL(TIOCMGET) +COMPATIBLE_IOCTL(TIOCMBIC) +COMPATIBLE_IOCTL(TIOCMBIS) +COMPATIBLE_IOCTL(TIOCMSET) +COMPATIBLE_IOCTL(TIOCPKT) +COMPATIBLE_IOCTL(TIOCNOTTY) +COMPATIBLE_IOCTL(TIOCSTI) +COMPATIBLE_IOCTL(TIOCOUTQ) +COMPATIBLE_IOCTL(TIOCSPGRP) +COMPATIBLE_IOCTL(TIOCGPGRP) +ULONG_IOCTL(TIOCSCTTY) +COMPATIBLE_IOCTL(TIOCGPTN) +COMPATIBLE_IOCTL(TIOCSPTLCK) +COMPATIBLE_IOCTL(TIOCSERGETLSR) +/* Little f */ +COMPATIBLE_IOCTL(FIOCLEX) +COMPATIBLE_IOCTL(FIONCLEX) +COMPATIBLE_IOCTL(FIOASYNC) +COMPATIBLE_IOCTL(FIONBIO) +COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */ +/* 0x00 */ +COMPATIBLE_IOCTL(FIBMAP) +COMPATIBLE_IOCTL(FIGETBSZ) +/* 0x03 -- HD/IDE ioctl's used by hdparm and friends. + * Some need translations, these do not. + */ +COMPATIBLE_IOCTL(HDIO_GET_IDENTITY) +COMPATIBLE_IOCTL(HDIO_DRIVE_TASK) +COMPATIBLE_IOCTL(HDIO_DRIVE_CMD) +ULONG_IOCTL(HDIO_SET_MULTCOUNT) +ULONG_IOCTL(HDIO_SET_UNMASKINTR) +ULONG_IOCTL(HDIO_SET_KEEPSETTINGS) +ULONG_IOCTL(HDIO_SET_32BIT) +ULONG_IOCTL(HDIO_SET_NOWERR) +ULONG_IOCTL(HDIO_SET_DMA) +ULONG_IOCTL(HDIO_SET_PIO_MODE) +ULONG_IOCTL(HDIO_SET_NICE) +ULONG_IOCTL(HDIO_SET_WCACHE) +ULONG_IOCTL(HDIO_SET_ACOUSTIC) +ULONG_IOCTL(HDIO_SET_BUSSTATE) +ULONG_IOCTL(HDIO_SET_ADDRESS) +COMPATIBLE_IOCTL(HDIO_SCAN_HWIF) +/* 0x330 is reserved -- it used to be HDIO_GETGEO_BIG */ +COMPATIBLE_IOCTL(0x330) +/* 0x02 -- Floppy ioctls */ +COMPATIBLE_IOCTL(FDMSGON) +COMPATIBLE_IOCTL(FDMSGOFF) +COMPATIBLE_IOCTL(FDSETEMSGTRESH) +COMPATIBLE_IOCTL(FDFLUSH) +COMPATIBLE_IOCTL(FDWERRORCLR) +COMPATIBLE_IOCTL(FDSETMAXERRS) +COMPATIBLE_IOCTL(FDGETMAXERRS) +COMPATIBLE_IOCTL(FDGETDRVTYP) +COMPATIBLE_IOCTL(FDEJECT) +COMPATIBLE_IOCTL(FDCLRPRM) +COMPATIBLE_IOCTL(FDFMTBEG) +COMPATIBLE_IOCTL(FDFMTEND) +COMPATIBLE_IOCTL(FDRESET) +COMPATIBLE_IOCTL(FDTWADDLE) +COMPATIBLE_IOCTL(FDFMTTRK) +COMPATIBLE_IOCTL(FDRAWCMD) +/* 0x12 */ +#ifdef CONFIG_BLOCK +COMPATIBLE_IOCTL(BLKRASET) +COMPATIBLE_IOCTL(BLKROSET) +COMPATIBLE_IOCTL(BLKROGET) +COMPATIBLE_IOCTL(BLKRRPART) +COMPATIBLE_IOCTL(BLKFLSBUF) +COMPATIBLE_IOCTL(BLKSECTSET) +COMPATIBLE_IOCTL(BLKSSZGET) +COMPATIBLE_IOCTL(BLKTRACESTART) +COMPATIBLE_IOCTL(BLKTRACESTOP) +COMPATIBLE_IOCTL(BLKTRACESETUP) +COMPATIBLE_IOCTL(BLKTRACETEARDOWN) +ULONG_IOCTL(BLKRASET) +ULONG_IOCTL(BLKFRASET) +#endif +/* RAID */ +COMPATIBLE_IOCTL(RAID_VERSION) +COMPATIBLE_IOCTL(GET_ARRAY_INFO) +COMPATIBLE_IOCTL(GET_DISK_INFO) +COMPATIBLE_IOCTL(PRINT_RAID_DEBUG) +COMPATIBLE_IOCTL(RAID_AUTORUN) +COMPATIBLE_IOCTL(CLEAR_ARRAY) +COMPATIBLE_IOCTL(ADD_NEW_DISK) +ULONG_IOCTL(HOT_REMOVE_DISK) +COMPATIBLE_IOCTL(SET_ARRAY_INFO) +COMPATIBLE_IOCTL(SET_DISK_INFO) +COMPATIBLE_IOCTL(WRITE_RAID_INFO) +COMPATIBLE_IOCTL(UNPROTECT_ARRAY) +COMPATIBLE_IOCTL(PROTECT_ARRAY) +ULONG_IOCTL(HOT_ADD_DISK) +ULONG_IOCTL(SET_DISK_FAULTY) +COMPATIBLE_IOCTL(RUN_ARRAY) +COMPATIBLE_IOCTL(STOP_ARRAY) +COMPATIBLE_IOCTL(STOP_ARRAY_RO) +COMPATIBLE_IOCTL(RESTART_ARRAY_RW) +COMPATIBLE_IOCTL(GET_BITMAP_FILE) +ULONG_IOCTL(SET_BITMAP_FILE) +/* DM */ +COMPATIBLE_IOCTL(DM_VERSION_32) +COMPATIBLE_IOCTL(DM_REMOVE_ALL_32) +COMPATIBLE_IOCTL(DM_LIST_DEVICES_32) +COMPATIBLE_IOCTL(DM_DEV_CREATE_32) +COMPATIBLE_IOCTL(DM_DEV_REMOVE_32) +COMPATIBLE_IOCTL(DM_DEV_RENAME_32) +COMPATIBLE_IOCTL(DM_DEV_SUSPEND_32) +COMPATIBLE_IOCTL(DM_DEV_STATUS_32) +COMPATIBLE_IOCTL(DM_DEV_WAIT_32) +COMPATIBLE_IOCTL(DM_TABLE_LOAD_32) +COMPATIBLE_IOCTL(DM_TABLE_CLEAR_32) +COMPATIBLE_IOCTL(DM_TABLE_DEPS_32) +COMPATIBLE_IOCTL(DM_TABLE_STATUS_32) +COMPATIBLE_IOCTL(DM_LIST_VERSIONS_32) +COMPATIBLE_IOCTL(DM_TARGET_MSG_32) +COMPATIBLE_IOCTL(DM_DEV_SET_GEOMETRY_32) +COMPATIBLE_IOCTL(DM_VERSION) +COMPATIBLE_IOCTL(DM_REMOVE_ALL) +COMPATIBLE_IOCTL(DM_LIST_DEVICES) +COMPATIBLE_IOCTL(DM_DEV_CREATE) +COMPATIBLE_IOCTL(DM_DEV_REMOVE) +COMPATIBLE_IOCTL(DM_DEV_RENAME) +COMPATIBLE_IOCTL(DM_DEV_SUSPEND) +COMPATIBLE_IOCTL(DM_DEV_STATUS) +COMPATIBLE_IOCTL(DM_DEV_WAIT) +COMPATIBLE_IOCTL(DM_TABLE_LOAD) +COMPATIBLE_IOCTL(DM_TABLE_CLEAR) +COMPATIBLE_IOCTL(DM_TABLE_DEPS) +COMPATIBLE_IOCTL(DM_TABLE_STATUS) +COMPATIBLE_IOCTL(DM_LIST_VERSIONS) +COMPATIBLE_IOCTL(DM_TARGET_MSG) +COMPATIBLE_IOCTL(DM_DEV_SET_GEOMETRY) +/* Big K */ +COMPATIBLE_IOCTL(PIO_FONT) +COMPATIBLE_IOCTL(GIO_FONT) +ULONG_IOCTL(KDSIGACCEPT) +COMPATIBLE_IOCTL(KDGETKEYCODE) +COMPATIBLE_IOCTL(KDSETKEYCODE) +ULONG_IOCTL(KIOCSOUND) +ULONG_IOCTL(KDMKTONE) +COMPATIBLE_IOCTL(KDGKBTYPE) +ULONG_IOCTL(KDSETMODE) +COMPATIBLE_IOCTL(KDGETMODE) +ULONG_IOCTL(KDSKBMODE) +COMPATIBLE_IOCTL(KDGKBMODE) +ULONG_IOCTL(KDSKBMETA) +COMPATIBLE_IOCTL(KDGKBMETA) +COMPATIBLE_IOCTL(KDGKBENT) +COMPATIBLE_IOCTL(KDSKBENT) +COMPATIBLE_IOCTL(KDGKBSENT) +COMPATIBLE_IOCTL(KDSKBSENT) +COMPATIBLE_IOCTL(KDGKBDIACR) +COMPATIBLE_IOCTL(KDSKBDIACR) +COMPATIBLE_IOCTL(KDKBDREP) +COMPATIBLE_IOCTL(KDGKBLED) +ULONG_IOCTL(KDSKBLED) +COMPATIBLE_IOCTL(KDGETLED) +ULONG_IOCTL(KDSETLED) +COMPATIBLE_IOCTL(GIO_SCRNMAP) +COMPATIBLE_IOCTL(PIO_SCRNMAP) +COMPATIBLE_IOCTL(GIO_UNISCRNMAP) +COMPATIBLE_IOCTL(PIO_UNISCRNMAP) +COMPATIBLE_IOCTL(PIO_FONTRESET) +COMPATIBLE_IOCTL(PIO_UNIMAPCLR) +/* Big S */ +COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN) +COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK) +COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK) +COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY) +COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER) +COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND) +COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST) +COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI) +/* Big T */ +COMPATIBLE_IOCTL(TUNSETNOCSUM) +COMPATIBLE_IOCTL(TUNSETDEBUG) +COMPATIBLE_IOCTL(TUNSETPERSIST) +COMPATIBLE_IOCTL(TUNSETOWNER) +/* Big V */ +COMPATIBLE_IOCTL(VT_SETMODE) +COMPATIBLE_IOCTL(VT_GETMODE) +COMPATIBLE_IOCTL(VT_GETSTATE) +COMPATIBLE_IOCTL(VT_OPENQRY) +ULONG_IOCTL(VT_ACTIVATE) +ULONG_IOCTL(VT_WAITACTIVE) +ULONG_IOCTL(VT_RELDISP) +ULONG_IOCTL(VT_DISALLOCATE) +COMPATIBLE_IOCTL(VT_RESIZE) +COMPATIBLE_IOCTL(VT_RESIZEX) +COMPATIBLE_IOCTL(VT_LOCKSWITCH) +COMPATIBLE_IOCTL(VT_UNLOCKSWITCH) +COMPATIBLE_IOCTL(VT_GETHIFONTMASK) +/* Little p (/dev/rtc, /dev/envctrl, etc.) */ +COMPATIBLE_IOCTL(RTC_AIE_ON) +COMPATIBLE_IOCTL(RTC_AIE_OFF) +COMPATIBLE_IOCTL(RTC_UIE_ON) +COMPATIBLE_IOCTL(RTC_UIE_OFF) +COMPATIBLE_IOCTL(RTC_PIE_ON) +COMPATIBLE_IOCTL(RTC_PIE_OFF) +COMPATIBLE_IOCTL(RTC_WIE_ON) +COMPATIBLE_IOCTL(RTC_WIE_OFF) +COMPATIBLE_IOCTL(RTC_ALM_SET) +COMPATIBLE_IOCTL(RTC_ALM_READ) +COMPATIBLE_IOCTL(RTC_RD_TIME) +COMPATIBLE_IOCTL(RTC_SET_TIME) +COMPATIBLE_IOCTL(RTC_WKALM_SET) +COMPATIBLE_IOCTL(RTC_WKALM_RD) +/* + * These two are only for the sbus rtc driver, but + * hwclock tries them on every rtc device first when + * running on sparc. On other architectures the entries + * are useless but harmless. + */ +COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */ +COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */ +/* Little m */ +COMPATIBLE_IOCTL(MTIOCTOP) +/* Socket level stuff */ +COMPATIBLE_IOCTL(FIOQSIZE) +COMPATIBLE_IOCTL(FIOSETOWN) +COMPATIBLE_IOCTL(SIOCSPGRP) +COMPATIBLE_IOCTL(FIOGETOWN) +COMPATIBLE_IOCTL(SIOCGPGRP) +COMPATIBLE_IOCTL(SIOCATMARK) +COMPATIBLE_IOCTL(SIOCSIFLINK) +COMPATIBLE_IOCTL(SIOCSIFENCAP) +COMPATIBLE_IOCTL(SIOCGIFENCAP) +COMPATIBLE_IOCTL(SIOCSIFNAME) +COMPATIBLE_IOCTL(SIOCSARP) +COMPATIBLE_IOCTL(SIOCGARP) +COMPATIBLE_IOCTL(SIOCDARP) +COMPATIBLE_IOCTL(SIOCSRARP) +COMPATIBLE_IOCTL(SIOCGRARP) +COMPATIBLE_IOCTL(SIOCDRARP) +COMPATIBLE_IOCTL(SIOCADDDLCI) +COMPATIBLE_IOCTL(SIOCDELDLCI) +COMPATIBLE_IOCTL(SIOCGMIIPHY) +COMPATIBLE_IOCTL(SIOCGMIIREG) +COMPATIBLE_IOCTL(SIOCSMIIREG) +COMPATIBLE_IOCTL(SIOCGIFVLAN) +COMPATIBLE_IOCTL(SIOCSIFVLAN) +COMPATIBLE_IOCTL(SIOCBRADDBR) +COMPATIBLE_IOCTL(SIOCBRDELBR) +/* SG stuff */ +COMPATIBLE_IOCTL(SG_SET_TIMEOUT) +COMPATIBLE_IOCTL(SG_GET_TIMEOUT) +COMPATIBLE_IOCTL(SG_EMULATED_HOST) +ULONG_IOCTL(SG_SET_TRANSFORM) +COMPATIBLE_IOCTL(SG_GET_TRANSFORM) +COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE) +COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE) +COMPATIBLE_IOCTL(SG_GET_SCSI_ID) +COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA) +COMPATIBLE_IOCTL(SG_GET_LOW_DMA) +COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID) +COMPATIBLE_IOCTL(SG_GET_PACK_ID) +COMPATIBLE_IOCTL(SG_GET_NUM_WAITING) +COMPATIBLE_IOCTL(SG_SET_DEBUG) +COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE) +COMPATIBLE_IOCTL(SG_GET_COMMAND_Q) +COMPATIBLE_IOCTL(SG_SET_COMMAND_Q) +COMPATIBLE_IOCTL(SG_GET_VERSION_NUM) +COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN) +COMPATIBLE_IOCTL(SG_SCSI_RESET) +COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE) +COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN) +COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN) +/* PPP stuff */ +COMPATIBLE_IOCTL(PPPIOCGFLAGS) +COMPATIBLE_IOCTL(PPPIOCSFLAGS) +COMPATIBLE_IOCTL(PPPIOCGASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCSASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCGUNIT) +COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCGMRU) +COMPATIBLE_IOCTL(PPPIOCSMRU) +COMPATIBLE_IOCTL(PPPIOCSMAXCID) +COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCXFERUNIT) +/* PPPIOCSCOMPRESS is translated */ +COMPATIBLE_IOCTL(PPPIOCGNPMODE) +COMPATIBLE_IOCTL(PPPIOCSNPMODE) +COMPATIBLE_IOCTL(PPPIOCGDEBUG) +COMPATIBLE_IOCTL(PPPIOCSDEBUG) +/* PPPIOCSPASS is translated */ +/* PPPIOCSACTIVE is translated */ +/* PPPIOCGIDLE is translated */ +COMPATIBLE_IOCTL(PPPIOCNEWUNIT) +COMPATIBLE_IOCTL(PPPIOCATTACH) +COMPATIBLE_IOCTL(PPPIOCDETACH) +COMPATIBLE_IOCTL(PPPIOCSMRRU) +COMPATIBLE_IOCTL(PPPIOCCONNECT) +COMPATIBLE_IOCTL(PPPIOCDISCONN) +COMPATIBLE_IOCTL(PPPIOCATTCHAN) +COMPATIBLE_IOCTL(PPPIOCGCHAN) +/* PPPOX */ +COMPATIBLE_IOCTL(PPPOEIOCSFWD) +COMPATIBLE_IOCTL(PPPOEIOCDFWD) +/* LP */ +COMPATIBLE_IOCTL(LPGETSTATUS) +/* ppdev */ +COMPATIBLE_IOCTL(PPSETMODE) +COMPATIBLE_IOCTL(PPRSTATUS) +COMPATIBLE_IOCTL(PPRCONTROL) +COMPATIBLE_IOCTL(PPWCONTROL) +COMPATIBLE_IOCTL(PPFCONTROL) +COMPATIBLE_IOCTL(PPRDATA) +COMPATIBLE_IOCTL(PPWDATA) +COMPATIBLE_IOCTL(PPCLAIM) +COMPATIBLE_IOCTL(PPRELEASE) +COMPATIBLE_IOCTL(PPYIELD) +COMPATIBLE_IOCTL(PPEXCL) +COMPATIBLE_IOCTL(PPDATADIR) +COMPATIBLE_IOCTL(PPNEGOT) +COMPATIBLE_IOCTL(PPWCTLONIRQ) +COMPATIBLE_IOCTL(PPCLRIRQ) +COMPATIBLE_IOCTL(PPSETPHASE) +COMPATIBLE_IOCTL(PPGETMODES) +COMPATIBLE_IOCTL(PPGETMODE) +COMPATIBLE_IOCTL(PPGETPHASE) +COMPATIBLE_IOCTL(PPGETFLAGS) +COMPATIBLE_IOCTL(PPSETFLAGS) +/* CDROM stuff */ +COMPATIBLE_IOCTL(CDROMPAUSE) +COMPATIBLE_IOCTL(CDROMRESUME) +COMPATIBLE_IOCTL(CDROMPLAYMSF) +COMPATIBLE_IOCTL(CDROMPLAYTRKIND) +COMPATIBLE_IOCTL(CDROMREADTOCHDR) +COMPATIBLE_IOCTL(CDROMREADTOCENTRY) +COMPATIBLE_IOCTL(CDROMSTOP) +COMPATIBLE_IOCTL(CDROMSTART) +COMPATIBLE_IOCTL(CDROMEJECT) +COMPATIBLE_IOCTL(CDROMVOLCTRL) +COMPATIBLE_IOCTL(CDROMSUBCHNL) +ULONG_IOCTL(CDROMEJECT_SW) +COMPATIBLE_IOCTL(CDROMMULTISESSION) +COMPATIBLE_IOCTL(CDROM_GET_MCN) +COMPATIBLE_IOCTL(CDROMRESET) +COMPATIBLE_IOCTL(CDROMVOLREAD) +COMPATIBLE_IOCTL(CDROMSEEK) +COMPATIBLE_IOCTL(CDROMPLAYBLK) +COMPATIBLE_IOCTL(CDROMCLOSETRAY) +ULONG_IOCTL(CDROM_SET_OPTIONS) +ULONG_IOCTL(CDROM_CLEAR_OPTIONS) +ULONG_IOCTL(CDROM_SELECT_SPEED) +ULONG_IOCTL(CDROM_SELECT_DISC) +ULONG_IOCTL(CDROM_MEDIA_CHANGED) +ULONG_IOCTL(CDROM_DRIVE_STATUS) +COMPATIBLE_IOCTL(CDROM_DISC_STATUS) +COMPATIBLE_IOCTL(CDROM_CHANGER_NSLOTS) +ULONG_IOCTL(CDROM_LOCKDOOR) +ULONG_IOCTL(CDROM_DEBUG) +COMPATIBLE_IOCTL(CDROM_GET_CAPABILITY) +/* Ignore cdrom.h about these next 5 ioctls, they absolutely do + * not take a struct cdrom_read, instead they take a struct cdrom_msf + * which is compatible. + */ +COMPATIBLE_IOCTL(CDROMREADMODE2) +COMPATIBLE_IOCTL(CDROMREADMODE1) +COMPATIBLE_IOCTL(CDROMREADRAW) +COMPATIBLE_IOCTL(CDROMREADCOOKED) +COMPATIBLE_IOCTL(CDROMREADALL) +/* DVD ioctls */ +COMPATIBLE_IOCTL(DVD_READ_STRUCT) +COMPATIBLE_IOCTL(DVD_WRITE_STRUCT) +COMPATIBLE_IOCTL(DVD_AUTH) +/* pktcdvd */ +COMPATIBLE_IOCTL(PACKET_CTRL_CMD) +/* Big A */ +/* sparc only */ +/* Big Q for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET) +COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO) +COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE) +COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT) +COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT) +COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE) +COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR) +COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI) +COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES) +COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS) +COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS) +COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO) +COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL) +COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE) +COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC) +COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND) +COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE) +/* Big T for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE) +COMPATIBLE_IOCTL(SNDCTL_TMR_START) +COMPATIBLE_IOCTL(SNDCTL_TMR_STOP) +COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE) +COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO) +COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE) +COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME) +COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT) +/* Little m for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME) +COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE) +COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD) +/* Big P for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_DSP_RESET) +COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC) +COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED) +COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE) +COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS) +COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER) +COMPATIBLE_IOCTL(SNDCTL_DSP_POST) +COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE) +COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS) +COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE) +COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER) +COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR) +/* SNDCTL_DSP_MAPINBUF, XXX needs translation */ +/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */ +COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO) +COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY) +COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE) +COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE) +COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS) +COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS) +COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER) +/* Big C for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_COPR_RESET) +COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD) +COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA) +COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE) +COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA) +COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE) +COMPATIBLE_IOCTL(SNDCTL_COPR_RUN) +COMPATIBLE_IOCTL(SNDCTL_COPR_HALT) +COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG) +COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG) +/* Big M for sound/OSS */ +COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR)) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE) +/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */ +/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */ +COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR)) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE) +/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */ +/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */ +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC) +COMPATIBLE_IOCTL(SOUND_MIXER_INFO) +COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO) +COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS) +COMPATIBLE_IOCTL(SOUND_MIXER_AGC) +COMPATIBLE_IOCTL(SOUND_MIXER_3DSE) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5) +COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS) +COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS) +COMPATIBLE_IOCTL(OSS_GETVERSION) +/* AUTOFS */ +ULONG_IOCTL(AUTOFS_IOC_READY) +ULONG_IOCTL(AUTOFS_IOC_FAIL) +COMPATIBLE_IOCTL(AUTOFS_IOC_CATATONIC) +COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOVER) +COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE) +COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI) +COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOSUBVER) +COMPATIBLE_IOCTL(AUTOFS_IOC_ASKREGHOST) +COMPATIBLE_IOCTL(AUTOFS_IOC_TOGGLEREGHOST) +COMPATIBLE_IOCTL(AUTOFS_IOC_ASKUMOUNT) +/* Raw devices */ +COMPATIBLE_IOCTL(RAW_SETBIND) +COMPATIBLE_IOCTL(RAW_GETBIND) +/* SMB ioctls which do not need any translations */ +COMPATIBLE_IOCTL(SMB_IOC_NEWCONN) +/* Little a */ +COMPATIBLE_IOCTL(ATMSIGD_CTRL) +COMPATIBLE_IOCTL(ATMARPD_CTRL) +COMPATIBLE_IOCTL(ATMLEC_CTRL) +COMPATIBLE_IOCTL(ATMLEC_MCAST) +COMPATIBLE_IOCTL(ATMLEC_DATA) +COMPATIBLE_IOCTL(ATM_SETSC) +COMPATIBLE_IOCTL(SIOCSIFATMTCP) +COMPATIBLE_IOCTL(SIOCMKCLIP) +COMPATIBLE_IOCTL(ATMARP_MKIP) +COMPATIBLE_IOCTL(ATMARP_SETENTRY) +COMPATIBLE_IOCTL(ATMARP_ENCAP) +COMPATIBLE_IOCTL(ATMTCP_CREATE) +COMPATIBLE_IOCTL(ATMTCP_REMOVE) +COMPATIBLE_IOCTL(ATMMPC_CTRL) +COMPATIBLE_IOCTL(ATMMPC_DATA) +/* Watchdog */ +COMPATIBLE_IOCTL(WDIOC_GETSUPPORT) +COMPATIBLE_IOCTL(WDIOC_GETSTATUS) +COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS) +COMPATIBLE_IOCTL(WDIOC_GETTEMP) +COMPATIBLE_IOCTL(WDIOC_SETOPTIONS) +COMPATIBLE_IOCTL(WDIOC_KEEPALIVE) +COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT) +COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT) +/* Big R */ +COMPATIBLE_IOCTL(RNDGETENTCNT) +COMPATIBLE_IOCTL(RNDADDTOENTCNT) +COMPATIBLE_IOCTL(RNDGETPOOL) +COMPATIBLE_IOCTL(RNDADDENTROPY) +COMPATIBLE_IOCTL(RNDZAPENTCNT) +COMPATIBLE_IOCTL(RNDCLEARPOOL) +/* Bluetooth */ +COMPATIBLE_IOCTL(HCIDEVUP) +COMPATIBLE_IOCTL(HCIDEVDOWN) +COMPATIBLE_IOCTL(HCIDEVRESET) +COMPATIBLE_IOCTL(HCIDEVRESTAT) +COMPATIBLE_IOCTL(HCIGETDEVLIST) +COMPATIBLE_IOCTL(HCIGETDEVINFO) +COMPATIBLE_IOCTL(HCIGETCONNLIST) +COMPATIBLE_IOCTL(HCIGETCONNINFO) +COMPATIBLE_IOCTL(HCISETRAW) +COMPATIBLE_IOCTL(HCISETSCAN) +COMPATIBLE_IOCTL(HCISETAUTH) +COMPATIBLE_IOCTL(HCISETENCRYPT) +COMPATIBLE_IOCTL(HCISETPTYPE) +COMPATIBLE_IOCTL(HCISETLINKPOL) +COMPATIBLE_IOCTL(HCISETLINKMODE) +COMPATIBLE_IOCTL(HCISETACLMTU) +COMPATIBLE_IOCTL(HCISETSCOMTU) +COMPATIBLE_IOCTL(HCIINQUIRY) +COMPATIBLE_IOCTL(HCIUARTSETPROTO) +COMPATIBLE_IOCTL(HCIUARTGETPROTO) +COMPATIBLE_IOCTL(RFCOMMCREATEDEV) +COMPATIBLE_IOCTL(RFCOMMRELEASEDEV) +COMPATIBLE_IOCTL(RFCOMMGETDEVLIST) +COMPATIBLE_IOCTL(RFCOMMGETDEVINFO) +COMPATIBLE_IOCTL(RFCOMMSTEALDLC) +COMPATIBLE_IOCTL(BNEPCONNADD) +COMPATIBLE_IOCTL(BNEPCONNDEL) +COMPATIBLE_IOCTL(BNEPGETCONNLIST) +COMPATIBLE_IOCTL(BNEPGETCONNINFO) +COMPATIBLE_IOCTL(CMTPCONNADD) +COMPATIBLE_IOCTL(CMTPCONNDEL) +COMPATIBLE_IOCTL(CMTPGETCONNLIST) +COMPATIBLE_IOCTL(CMTPGETCONNINFO) +COMPATIBLE_IOCTL(HIDPCONNADD) +COMPATIBLE_IOCTL(HIDPCONNDEL) +COMPATIBLE_IOCTL(HIDPGETCONNLIST) +COMPATIBLE_IOCTL(HIDPGETCONNINFO) +/* CAPI */ +COMPATIBLE_IOCTL(CAPI_REGISTER) +COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER) +COMPATIBLE_IOCTL(CAPI_GET_VERSION) +COMPATIBLE_IOCTL(CAPI_GET_SERIAL) +COMPATIBLE_IOCTL(CAPI_GET_PROFILE) +COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD) +COMPATIBLE_IOCTL(CAPI_GET_ERRCODE) +COMPATIBLE_IOCTL(CAPI_INSTALLED) +COMPATIBLE_IOCTL(CAPI_GET_FLAGS) +COMPATIBLE_IOCTL(CAPI_SET_FLAGS) +COMPATIBLE_IOCTL(CAPI_CLR_FLAGS) +COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT) +COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT) +/* Siemens Gigaset */ +COMPATIBLE_IOCTL(GIGASET_REDIR) +COMPATIBLE_IOCTL(GIGASET_CONFIG) +COMPATIBLE_IOCTL(GIGASET_BRKCHARS) +COMPATIBLE_IOCTL(GIGASET_VERSION) +/* Misc. */ +COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */ +COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */ +COMPATIBLE_IOCTL(PCIIOC_CONTROLLER) +COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO) +COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM) +COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE) +/* USB */ +COMPATIBLE_IOCTL(USBDEVFS_RESETEP) +COMPATIBLE_IOCTL(USBDEVFS_SETINTERFACE) +COMPATIBLE_IOCTL(USBDEVFS_SETCONFIGURATION) +COMPATIBLE_IOCTL(USBDEVFS_GETDRIVER) +COMPATIBLE_IOCTL(USBDEVFS_DISCARDURB) +COMPATIBLE_IOCTL(USBDEVFS_CLAIMINTERFACE) +COMPATIBLE_IOCTL(USBDEVFS_RELEASEINTERFACE) +COMPATIBLE_IOCTL(USBDEVFS_CONNECTINFO) +COMPATIBLE_IOCTL(USBDEVFS_HUB_PORTINFO) +COMPATIBLE_IOCTL(USBDEVFS_RESET) +COMPATIBLE_IOCTL(USBDEVFS_SUBMITURB32) +COMPATIBLE_IOCTL(USBDEVFS_REAPURB32) +COMPATIBLE_IOCTL(USBDEVFS_REAPURBNDELAY32) +COMPATIBLE_IOCTL(USBDEVFS_CLEAR_HALT) +/* MTD */ +COMPATIBLE_IOCTL(MEMGETINFO) +COMPATIBLE_IOCTL(MEMERASE) +COMPATIBLE_IOCTL(MEMLOCK) +COMPATIBLE_IOCTL(MEMUNLOCK) +COMPATIBLE_IOCTL(MEMGETREGIONCOUNT) +COMPATIBLE_IOCTL(MEMGETREGIONINFO) +COMPATIBLE_IOCTL(MEMGETBADBLOCK) +COMPATIBLE_IOCTL(MEMSETBADBLOCK) +/* NBD */ +ULONG_IOCTL(NBD_SET_SOCK) +ULONG_IOCTL(NBD_SET_BLKSIZE) +ULONG_IOCTL(NBD_SET_SIZE) +COMPATIBLE_IOCTL(NBD_DO_IT) +COMPATIBLE_IOCTL(NBD_CLEAR_SOCK) +COMPATIBLE_IOCTL(NBD_CLEAR_QUE) +COMPATIBLE_IOCTL(NBD_PRINT_DEBUG) +ULONG_IOCTL(NBD_SET_SIZE_BLOCKS) +COMPATIBLE_IOCTL(NBD_DISCONNECT) +/* i2c */ +COMPATIBLE_IOCTL(I2C_SLAVE) +COMPATIBLE_IOCTL(I2C_SLAVE_FORCE) +COMPATIBLE_IOCTL(I2C_TENBIT) +COMPATIBLE_IOCTL(I2C_PEC) +COMPATIBLE_IOCTL(I2C_RETRIES) +COMPATIBLE_IOCTL(I2C_TIMEOUT) +/* wireless */ +COMPATIBLE_IOCTL(SIOCSIWCOMMIT) +COMPATIBLE_IOCTL(SIOCGIWNAME) +COMPATIBLE_IOCTL(SIOCSIWNWID) +COMPATIBLE_IOCTL(SIOCGIWNWID) +COMPATIBLE_IOCTL(SIOCSIWFREQ) +COMPATIBLE_IOCTL(SIOCGIWFREQ) +COMPATIBLE_IOCTL(SIOCSIWMODE) +COMPATIBLE_IOCTL(SIOCGIWMODE) +COMPATIBLE_IOCTL(SIOCSIWSENS) +COMPATIBLE_IOCTL(SIOCGIWSENS) +COMPATIBLE_IOCTL(SIOCSIWRANGE) +COMPATIBLE_IOCTL(SIOCSIWPRIV) +COMPATIBLE_IOCTL(SIOCGIWPRIV) +COMPATIBLE_IOCTL(SIOCSIWSTATS) +COMPATIBLE_IOCTL(SIOCGIWSTATS) +COMPATIBLE_IOCTL(SIOCSIWAP) +COMPATIBLE_IOCTL(SIOCGIWAP) +COMPATIBLE_IOCTL(SIOCSIWSCAN) +COMPATIBLE_IOCTL(SIOCSIWRATE) +COMPATIBLE_IOCTL(SIOCGIWRATE) +COMPATIBLE_IOCTL(SIOCSIWRTS) +COMPATIBLE_IOCTL(SIOCGIWRTS) +COMPATIBLE_IOCTL(SIOCSIWFRAG) +COMPATIBLE_IOCTL(SIOCGIWFRAG) +COMPATIBLE_IOCTL(SIOCSIWTXPOW) +COMPATIBLE_IOCTL(SIOCGIWTXPOW) +COMPATIBLE_IOCTL(SIOCSIWRETRY) +COMPATIBLE_IOCTL(SIOCGIWRETRY) +COMPATIBLE_IOCTL(SIOCSIWPOWER) +COMPATIBLE_IOCTL(SIOCGIWPOWER) +/* hiddev */ +COMPATIBLE_IOCTL(HIDIOCGVERSION) +COMPATIBLE_IOCTL(HIDIOCAPPLICATION) +COMPATIBLE_IOCTL(HIDIOCGDEVINFO) +COMPATIBLE_IOCTL(HIDIOCGSTRING) +COMPATIBLE_IOCTL(HIDIOCINITREPORT) +COMPATIBLE_IOCTL(HIDIOCGREPORT) +COMPATIBLE_IOCTL(HIDIOCSREPORT) +COMPATIBLE_IOCTL(HIDIOCGREPORTINFO) +COMPATIBLE_IOCTL(HIDIOCGFIELDINFO) +COMPATIBLE_IOCTL(HIDIOCGUSAGE) +COMPATIBLE_IOCTL(HIDIOCSUSAGE) +COMPATIBLE_IOCTL(HIDIOCGUCODE) +COMPATIBLE_IOCTL(HIDIOCGFLAG) +COMPATIBLE_IOCTL(HIDIOCSFLAG) +COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX) +COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO) +/* dvb */ +COMPATIBLE_IOCTL(AUDIO_STOP) +COMPATIBLE_IOCTL(AUDIO_PLAY) +COMPATIBLE_IOCTL(AUDIO_PAUSE) +COMPATIBLE_IOCTL(AUDIO_CONTINUE) +COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE) +COMPATIBLE_IOCTL(AUDIO_SET_MUTE) +COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC) +COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE) +COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT) +COMPATIBLE_IOCTL(AUDIO_GET_STATUS) +COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES) +COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER) +COMPATIBLE_IOCTL(AUDIO_SET_ID) +COMPATIBLE_IOCTL(AUDIO_SET_MIXER) +COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE) +COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID) +COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES) +COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE) +COMPATIBLE_IOCTL(DMX_START) +COMPATIBLE_IOCTL(DMX_STOP) +COMPATIBLE_IOCTL(DMX_SET_FILTER) +COMPATIBLE_IOCTL(DMX_SET_PES_FILTER) +COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE) +COMPATIBLE_IOCTL(DMX_GET_PES_PIDS) +COMPATIBLE_IOCTL(DMX_GET_CAPS) +COMPATIBLE_IOCTL(DMX_SET_SOURCE) +COMPATIBLE_IOCTL(DMX_GET_STC) +COMPATIBLE_IOCTL(FE_GET_INFO) +COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD) +COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD) +COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY) +COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST) +COMPATIBLE_IOCTL(FE_SET_TONE) +COMPATIBLE_IOCTL(FE_SET_VOLTAGE) +COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE) +COMPATIBLE_IOCTL(FE_READ_STATUS) +COMPATIBLE_IOCTL(FE_READ_BER) +COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH) +COMPATIBLE_IOCTL(FE_READ_SNR) +COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS) +COMPATIBLE_IOCTL(FE_SET_FRONTEND) +COMPATIBLE_IOCTL(FE_GET_FRONTEND) +COMPATIBLE_IOCTL(FE_GET_EVENT) +COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD) +COMPATIBLE_IOCTL(VIDEO_STOP) +COMPATIBLE_IOCTL(VIDEO_PLAY) +COMPATIBLE_IOCTL(VIDEO_FREEZE) +COMPATIBLE_IOCTL(VIDEO_CONTINUE) +COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE) +COMPATIBLE_IOCTL(VIDEO_SET_BLANK) +COMPATIBLE_IOCTL(VIDEO_GET_STATUS) +COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT) +COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD) +COMPATIBLE_IOCTL(VIDEO_SLOWMOTION) +COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES) +COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER) +COMPATIBLE_IOCTL(VIDEO_SET_ID) +COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE) +COMPATIBLE_IOCTL(VIDEO_SET_FORMAT) +COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM) +COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT) +COMPATIBLE_IOCTL(VIDEO_SET_SPU) +COMPATIBLE_IOCTL(VIDEO_GET_NAVI) +COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES) +COMPATIBLE_IOCTL(VIDEO_GET_SIZE) +COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE) + +/* now things that need handlers */ HANDLE_IOCTL(MEMREADOOB32, mtd_rw_oob) HANDLE_IOCTL(MEMWRITEOOB32, mtd_rw_oob) #ifdef CONFIG_NET @@ -2638,4 +3474,156 @@ IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32) IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32) }; -int ioctl_table_size = ARRAY_SIZE(ioctl_start); +#define IOCTL_HASHSIZE 256 +static struct ioctl_trans *ioctl32_hash_table[IOCTL_HASHSIZE]; + +static inline unsigned long ioctl32_hash(unsigned long cmd) +{ + return (((cmd >> 6) ^ (cmd >> 4) ^ cmd)) % IOCTL_HASHSIZE; +} + +static void compat_ioctl_error(struct file *filp, unsigned int fd, + unsigned int cmd, unsigned long arg) +{ + char buf[10]; + char *fn = "?"; + char *path; + + /* find the name of the device. */ + path = (char *)__get_free_page(GFP_KERNEL); + if (path) { + fn = d_path(filp->f_path.dentry, filp->f_path.mnt, path, PAGE_SIZE); + if (IS_ERR(fn)) + fn = "?"; + } + + sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK); + if (!isprint(buf[1])) + sprintf(buf, "%02x", buf[1]); + compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) " + "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n", + current->comm, current->pid, + (int)fd, (unsigned int)cmd, buf, + (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK, + (unsigned int)arg, fn); + + if (path) + free_page((unsigned long)path); +} + +asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, + unsigned long arg) +{ + struct file *filp; + int error = -EBADF; + struct ioctl_trans *t; + int fput_needed; + + filp = fget_light(fd, &fput_needed); + if (!filp) + goto out; + + /* RED-PEN how should LSM module know it's handling 32bit? */ + error = security_file_ioctl(filp, cmd, arg); + if (error) + goto out_fput; + + /* + * To allow the compat_ioctl handlers to be self contained + * we need to check the common ioctls here first. + * Just handle them with the standard handlers below. + */ + switch (cmd) { + case FIOCLEX: + case FIONCLEX: + case FIONBIO: + case FIOASYNC: + case FIOQSIZE: + break; + + case FIBMAP: + case FIGETBSZ: + case FIONREAD: + if (S_ISREG(filp->f_path.dentry->d_inode->i_mode)) + break; + /*FALL THROUGH*/ + + default: + if (filp->f_op && filp->f_op->compat_ioctl) { + error = filp->f_op->compat_ioctl(filp, cmd, arg); + if (error != -ENOIOCTLCMD) + goto out_fput; + } + + if (!filp->f_op || + (!filp->f_op->ioctl && !filp->f_op->unlocked_ioctl)) + goto do_ioctl; + break; + } + + for (t = ioctl32_hash_table[ioctl32_hash(cmd)]; t; t = t->next) { + if (t->cmd == cmd) + goto found_handler; + } + + if (S_ISSOCK(filp->f_path.dentry->d_inode->i_mode) && + cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) { + error = siocdevprivate_ioctl(fd, cmd, arg); + } else { + static int count; + + if (++count <= 50) + compat_ioctl_error(filp, fd, cmd, arg); + error = -EINVAL; + } + + goto out_fput; + + found_handler: + if (t->handler) { + lock_kernel(); + error = t->handler(fd, cmd, arg, filp); + unlock_kernel(); + goto out_fput; + } + + do_ioctl: + error = vfs_ioctl(filp, fd, cmd, arg); + out_fput: + fput_light(filp, fput_needed); + out: + return error; +} + +static void ioctl32_insert_translation(struct ioctl_trans *trans) +{ + unsigned long hash; + struct ioctl_trans *t; + + hash = ioctl32_hash (trans->cmd); + if (!ioctl32_hash_table[hash]) + ioctl32_hash_table[hash] = trans; + else { + t = ioctl32_hash_table[hash]; + while (t->next) + t = t->next; + trans->next = NULL; + t->next = trans; + } +} + +static int __init init_sys32_ioctl(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ioctl_start); i++) { + if (ioctl_start[i].next != 0) { + printk("ioctl translation %d bad\n",i); + return -1; + } + + ioctl32_insert_translation(&ioctl_start[i]); + } + return 0; +} +__initcall(init_sys32_ioctl); diff --git a/fs/dcache.c b/fs/dcache.c index d1bf5d8..0e73aa0 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -21,7 +21,6 @@ #include <linux/fsnotify.h> #include <linux/slab.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/hash.h> #include <linux/cache.h> #include <linux/module.h> @@ -121,6 +120,28 @@ static void dentry_iput(struct dentry * dentry) } } +/** + * d_kill - kill dentry and return parent + * @dentry: dentry to kill + * + * Called with dcache_lock and d_lock, releases both. The dentry must + * already be unhashed and removed from the LRU. + * + * If this is the root of the dentry tree, return NULL. + */ +static struct dentry *d_kill(struct dentry *dentry) +{ + struct dentry *parent; + + list_del(&dentry->d_u.d_child); + dentry_stat.nr_dentry--; /* For d_free, below */ + /*drops the locks, at that point nobody can reach this dentry */ + dentry_iput(dentry); + parent = dentry->d_parent; + d_free(dentry); + return dentry == parent ? NULL : parent; +} + /* * This is dput * @@ -189,28 +210,17 @@ repeat: unhash_it: __d_drop(dentry); - -kill_it: { - struct dentry *parent; - - /* If dentry was on d_lru list - * delete it from there - */ - if (!list_empty(&dentry->d_lru)) { - list_del(&dentry->d_lru); - dentry_stat.nr_unused--; - } - list_del(&dentry->d_u.d_child); - dentry_stat.nr_dentry--; /* For d_free, below */ - /*drops the locks, at that point nobody can reach this dentry */ - dentry_iput(dentry); - parent = dentry->d_parent; - d_free(dentry); - if (dentry == parent) - return; - dentry = parent; - goto repeat; +kill_it: + /* If dentry was on d_lru list + * delete it from there + */ + if (!list_empty(&dentry->d_lru)) { + list_del(&dentry->d_lru); + dentry_stat.nr_unused--; } + dentry = d_kill(dentry); + if (dentry) + goto repeat; } /** @@ -371,22 +381,40 @@ restart: * Throw away a dentry - free the inode, dput the parent. This requires that * the LRU list has already been removed. * + * If prune_parents is true, try to prune ancestors as well. + * * Called with dcache_lock, drops it and then regains. * Called with dentry->d_lock held, drops it. */ -static void prune_one_dentry(struct dentry * dentry) +static void prune_one_dentry(struct dentry * dentry, int prune_parents) { - struct dentry * parent; - __d_drop(dentry); - list_del(&dentry->d_u.d_child); - dentry_stat.nr_dentry--; /* For d_free, below */ - dentry_iput(dentry); - parent = dentry->d_parent; - d_free(dentry); - if (parent != dentry) - dput(parent); + dentry = d_kill(dentry); + if (!prune_parents) { + dput(dentry); + spin_lock(&dcache_lock); + return; + } + + /* + * Prune ancestors. Locking is simpler than in dput(), + * because dcache_lock needs to be taken anyway. + */ spin_lock(&dcache_lock); + while (dentry) { + if (!atomic_dec_and_lock(&dentry->d_count, &dentry->d_lock)) + return; + + if (dentry->d_op && dentry->d_op->d_delete) + dentry->d_op->d_delete(dentry); + if (!list_empty(&dentry->d_lru)) { + list_del(&dentry->d_lru); + dentry_stat.nr_unused--; + } + __d_drop(dentry); + dentry = d_kill(dentry); + spin_lock(&dcache_lock); + } } /** @@ -394,6 +422,7 @@ static void prune_one_dentry(struct dentry * dentry) * @count: number of entries to try and free * @sb: if given, ignore dentries for other superblocks * which are being unmounted. + * @prune_parents: if true, try to prune ancestors as well in one go * * Shrink the dcache. This is done when we need * more memory, or simply when we need to unmount @@ -404,7 +433,7 @@ static void prune_one_dentry(struct dentry * dentry) * all the dentries are in use. */ -static void prune_dcache(int count, struct super_block *sb) +static void prune_dcache(int count, struct super_block *sb, int prune_parents) { spin_lock(&dcache_lock); for (; count ; count--) { @@ -464,7 +493,7 @@ static void prune_dcache(int count, struct super_block *sb) * without taking the s_umount lock (I already hold it). */ if (sb && dentry->d_sb == sb) { - prune_one_dentry(dentry); + prune_one_dentry(dentry, prune_parents); continue; } /* @@ -479,7 +508,7 @@ static void prune_dcache(int count, struct super_block *sb) s_umount = &dentry->d_sb->s_umount; if (down_read_trylock(s_umount)) { if (dentry->d_sb->s_root != NULL) { - prune_one_dentry(dentry); + prune_one_dentry(dentry, prune_parents); up_read(s_umount); continue; } @@ -550,7 +579,7 @@ repeat: spin_unlock(&dentry->d_lock); continue; } - prune_one_dentry(dentry); + prune_one_dentry(dentry, 1); cond_resched_lock(&dcache_lock); goto repeat; } @@ -829,7 +858,7 @@ void shrink_dcache_parent(struct dentry * parent) int found; while ((found = select_parent(parent)) != 0) - prune_dcache(found, parent->d_sb); + prune_dcache(found, parent->d_sb, 1); } /* @@ -849,7 +878,7 @@ static int shrink_dcache_memory(int nr, gfp_t gfp_mask) if (nr) { if (!(gfp_mask & __GFP_FS)) return -1; - prune_dcache(nr, NULL); + prune_dcache(nr, NULL, 1); } return (dentry_stat.nr_unused / 100) * sysctl_vfs_cache_pressure; } @@ -1823,6 +1852,16 @@ char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt, struct vfsmount *rootmnt; struct dentry *root; + /* + * We have various synthetic filesystems that never get mounted. On + * these filesystems dentries are never used for lookup purposes, and + * thus don't need to be hashed. They also don't need a name until a + * user wants to identify the object in /proc/pid/fd/. The little hack + * below allows us to generate a name for these objects on demand: + */ + if (dentry->d_op && dentry->d_op->d_dname) + return dentry->d_op->d_dname(dentry, buf, buflen); + read_lock(¤t->fs->lock); rootmnt = mntget(current->fs->rootmnt); root = dget(current->fs->root); @@ -1836,6 +1875,27 @@ char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt, } /* + * Helper function for dentry_operations.d_dname() members + */ +char *dynamic_dname(struct dentry *dentry, char *buffer, int buflen, + const char *fmt, ...) +{ + va_list args; + char temp[64]; + int sz; + + va_start(args, fmt); + sz = vsnprintf(temp, sizeof(temp), fmt, args) + 1; + va_end(args); + + if (sz > sizeof(temp) || sz > buflen) + return ERR_PTR(-ENAMETOOLONG); + + buffer += buflen - sz; + return memcpy(buffer, temp, sz); +} + +/* * NOTE! The user-level library version returns a * character pointer. The kernel system call just * returns the length of the buffer filled (which diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 643e57b..06ef9a2 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -19,6 +19,7 @@ #include <linux/tty.h> #include <linux/devpts_fs.h> #include <linux/parser.h> +#include <linux/fsnotify.h> #define DEVPTS_SUPER_MAGIC 0x1cd1 @@ -178,8 +179,10 @@ int devpts_pty_new(struct tty_struct *tty) inode->i_private = tty; dentry = get_node(number); - if (!IS_ERR(dentry) && !dentry->d_inode) + if (!IS_ERR(dentry) && !dentry->d_inode) { d_instantiate(dentry, inode); + fsnotify_create(devpts_root->d_inode, dentry); + } mutex_unlock(&devpts_root->d_inode->i_mutex); @@ -69,7 +69,6 @@ #include <linux/file.h> #include <linux/slab.h> #include <linux/sysctl.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/module.h> #include <linux/proc_fs.h> @@ -475,7 +474,7 @@ int vfs_quota_sync(struct super_block *sb, int type) spin_lock(&dq_list_lock); dirty = &dqopt->info[cnt].dqi_dirty_list; while (!list_empty(dirty)) { - dquot = list_entry(dirty->next, struct dquot, dq_dirty); + dquot = list_first_entry(dirty, struct dquot, dq_dirty); /* Dirty and inactive can be only bad dquot... */ if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) { clear_dquot_dirty(dquot); @@ -721,7 +720,8 @@ static inline int dqput_blocks(struct dquot *dquot) /* Remove references to dquots from inode - add dquot to list for freeing if needed */ /* We can't race with anybody because we hold dqptr_sem for writing... */ -int remove_inode_dquot_ref(struct inode *inode, int type, struct list_head *tofree_head) +static int remove_inode_dquot_ref(struct inode *inode, int type, + struct list_head *tofree_head) { struct dquot *dquot = inode->i_dquot[type]; diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 7a7d25d..9881b5c 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -28,7 +28,6 @@ #include <linux/mount.h> #include <linux/pagemap.h> #include <linux/security.h> -#include <linux/smp_lock.h> #include <linux/compat.h> #include <linux/fs_stack.h> #include "ecryptfs_kernel.h" diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 3ae644e..b5c7ca5 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -22,7 +22,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/list.h> #include <linux/hash.h> @@ -185,7 +184,7 @@ struct eppoll_entry { /* * Each file descriptor added to the eventpoll interface will - * have an entry of this type linked to the hash. + * have an entry of this type linked to the "rbr" RB tree. */ struct epitem { /* RB-Tree node used to link this structure to the eventpoll rb-tree */ @@ -217,15 +216,6 @@ struct epitem { /* List header used to link this item to the "struct file" items list */ struct list_head fllink; - - /* List header used to link the item to the transfer list */ - struct list_head txlink; - - /* - * This is used during the collection/transfer of events to userspace - * to pin items empty events set. - */ - unsigned int revents; }; /* Wrapper struct used by poll queueing */ @@ -258,11 +248,8 @@ static int ep_remove(struct eventpoll *ep, struct epitem *epi); static int ep_poll_callback(wait_queue_t *wait, unsigned mode, int sync, void *key); static int ep_eventpoll_close(struct inode *inode, struct file *file); static unsigned int ep_eventpoll_poll(struct file *file, poll_table *wait); -static int ep_collect_ready_items(struct eventpoll *ep, - struct list_head *txlist, int maxevents); static int ep_send_events(struct eventpoll *ep, struct list_head *txlist, - struct epoll_event __user *events); -static void ep_reinject_items(struct eventpoll *ep, struct list_head *txlist); + struct epoll_event __user *events, int maxevents); static int ep_events_transfer(struct eventpoll *ep, struct epoll_event __user *events, int maxevents); @@ -355,17 +342,6 @@ static inline int ep_rb_linked(struct rb_node *n) return rb_parent(n) != n; } -/* - * Remove the item from the list and perform its initialization. - * This is useful for us because we can test if the item is linked - * using "ep_is_linked(p)". - */ -static inline void ep_list_del(struct list_head *p) -{ - list_del(p); - INIT_LIST_HEAD(p); -} - /* Tells us if the item is currently linked */ static inline int ep_is_linked(struct list_head *p) { @@ -385,7 +361,7 @@ static inline struct epitem * ep_item_from_epqueue(poll_table *p) } /* Tells if the epoll_ctl(2) operation needs an event copy from userspace */ -static inline int ep_op_hash_event(int op) +static inline int ep_op_has_event(int op) { return op != EPOLL_CTL_DEL; } @@ -477,10 +453,10 @@ void eventpoll_release_file(struct file *file) mutex_lock(&epmutex); while (!list_empty(lsthead)) { - epi = list_entry(lsthead->next, struct epitem, fllink); + epi = list_first_entry(lsthead, struct epitem, fllink); ep = epi->ep; - ep_list_del(&epi->fllink); + list_del_init(&epi->fllink); down_write(&ep->sem); ep_remove(ep, epi); up_write(&ep->sem); @@ -557,7 +533,7 @@ sys_epoll_ctl(int epfd, int op, int fd, struct epoll_event __user *event) current, epfd, op, fd, event)); error = -EFAULT; - if (ep_op_hash_event(op) && + if (ep_op_has_event(op) && copy_from_user(&epds, event, sizeof(struct epoll_event))) goto eexit_1; @@ -594,7 +570,7 @@ sys_epoll_ctl(int epfd, int op, int fd, struct epoll_event __user *event) down_write(&ep->sem); - /* Try to lookup the file inside our hash table */ + /* Try to lookup the file inside our RB tree */ epi = ep_find(ep, tfile, fd); error = -EINVAL; @@ -876,7 +852,7 @@ static void ep_free(struct eventpoll *ep) } /* - * Walks through the whole hash by freeing each "struct epitem". At this + * Walks through the whole tree by freeing each "struct epitem". At this * point we are sure no poll callbacks will be lingering around, and also by * write-holding "sem" we can be sure that no file cleanup code will hit * us during this operation. So we can avoid the lock on "ep->lock". @@ -891,7 +867,7 @@ static void ep_free(struct eventpoll *ep) /* - * Search the file inside the eventpoll hash. It add usage count to + * Search the file inside the eventpoll tree. It add usage count to * the returned item, so the caller must call ep_release_epitem() * after finished using the "struct epitem". */ @@ -1011,7 +987,6 @@ static int ep_insert(struct eventpoll *ep, struct epoll_event *event, ep_rb_initnode(&epi->rbn); INIT_LIST_HEAD(&epi->rdllink); INIT_LIST_HEAD(&epi->fllink); - INIT_LIST_HEAD(&epi->txlink); INIT_LIST_HEAD(&epi->pwqlist); epi->ep = ep; ep_set_ffd(&epi->ffd, tfile, fd); @@ -1080,7 +1055,7 @@ eexit_2: */ write_lock_irqsave(&ep->lock, flags); if (ep_is_linked(&epi->rdllink)) - ep_list_del(&epi->rdllink); + list_del_init(&epi->rdllink); write_unlock_irqrestore(&ep->lock, flags); kmem_cache_free(epi_cache, epi); @@ -1119,7 +1094,7 @@ static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_even epi->event.data = event->data; /* - * If the item is not linked to the hash it means that it's on its + * If the item is not linked to the RB tree it means that it's on its * way toward the removal. Do nothing in this case. */ if (ep_rb_linked(&epi->rbn)) { @@ -1168,9 +1143,9 @@ static void ep_unregister_pollwait(struct eventpoll *ep, struct epitem *epi) if (nwait) { while (!list_empty(lsthead)) { - pwq = list_entry(lsthead->next, struct eppoll_entry, llink); + pwq = list_first_entry(lsthead, struct eppoll_entry, llink); - ep_list_del(&pwq->llink); + list_del_init(&pwq->llink); remove_wait_queue(pwq->whead, &pwq->wait); kmem_cache_free(pwq_cache, pwq); } @@ -1213,7 +1188,7 @@ static int ep_unlink(struct eventpoll *ep, struct epitem *epi) * we want to remove it from this list to avoid stale events. */ if (ep_is_linked(&epi->rdllink)) - ep_list_del(&epi->rdllink); + list_del_init(&epi->rdllink); error = 0; eexit_1: @@ -1226,7 +1201,7 @@ eexit_1: /* - * Removes a "struct epitem" from the eventpoll hash and deallocates + * Removes a "struct epitem" from the eventpoll RB tree and deallocates * all the associated resources. */ static int ep_remove(struct eventpoll *ep, struct epitem *epi) @@ -1248,13 +1223,13 @@ static int ep_remove(struct eventpoll *ep, struct epitem *epi) /* Remove the current item from the list of epoll hooks */ spin_lock(&file->f_ep_lock); if (ep_is_linked(&epi->fllink)) - ep_list_del(&epi->fllink); + list_del_init(&epi->fllink); spin_unlock(&file->f_ep_lock); /* We need to acquire the write IRQ lock before calling ep_unlink() */ write_lock_irqsave(&ep->lock, flags); - /* Really unlink the item from the hash */ + /* Really unlink the item from the RB tree */ error = ep_unlink(ep, epi); write_unlock_irqrestore(&ep->lock, flags); @@ -1362,71 +1337,30 @@ static unsigned int ep_eventpoll_poll(struct file *file, poll_table *wait) /* - * Since we have to release the lock during the __copy_to_user() operation and - * during the f_op->poll() call, we try to collect the maximum number of items - * by reducing the irqlock/irqunlock switching rate. - */ -static int ep_collect_ready_items(struct eventpoll *ep, struct list_head *txlist, int maxevents) -{ - int nepi; - unsigned long flags; - struct list_head *lsthead = &ep->rdllist, *lnk; - struct epitem *epi; - - write_lock_irqsave(&ep->lock, flags); - - for (nepi = 0, lnk = lsthead->next; lnk != lsthead && nepi < maxevents;) { - epi = list_entry(lnk, struct epitem, rdllink); - - lnk = lnk->next; - - /* If this file is already in the ready list we exit soon */ - if (!ep_is_linked(&epi->txlink)) { - /* - * This is initialized in this way so that the default - * behaviour of the reinjecting code will be to push back - * the item inside the ready list. - */ - epi->revents = epi->event.events; - - /* Link the ready item into the transfer list */ - list_add(&epi->txlink, txlist); - nepi++; - - /* - * Unlink the item from the ready list. - */ - ep_list_del(&epi->rdllink); - } - } - - write_unlock_irqrestore(&ep->lock, flags); - - return nepi; -} - - -/* * This function is called without holding the "ep->lock" since the call to * __copy_to_user() might sleep, and also f_op->poll() might reenable the IRQ * because of the way poll() is traditionally implemented in Linux. */ static int ep_send_events(struct eventpoll *ep, struct list_head *txlist, - struct epoll_event __user *events) + struct epoll_event __user *events, int maxevents) { - int eventcnt = 0; + int eventcnt, error = -EFAULT, pwake = 0; unsigned int revents; - struct list_head *lnk; + unsigned long flags; struct epitem *epi; + struct list_head injlist; + + INIT_LIST_HEAD(&injlist); /* * We can loop without lock because this is a task private list. - * The test done during the collection loop will guarantee us that - * another task will not try to collect this file. Also, items - * cannot vanish during the loop because we are holding "sem". + * We just splice'd out the ep->rdllist in ep_collect_ready_items(). + * Items cannot vanish during the loop because we are holding "sem" in + * read. */ - list_for_each(lnk, txlist) { - epi = list_entry(lnk, struct epitem, txlink); + for (eventcnt = 0; !list_empty(txlist) && eventcnt < maxevents;) { + epi = list_first_entry(txlist, struct epitem, rdllink); + prefetch(epi->rdllink.next); /* * Get the ready file event set. We can safely use the file @@ -1434,64 +1368,65 @@ static int ep_send_events(struct eventpoll *ep, struct list_head *txlist, * guarantee that both the file and the item will not vanish. */ revents = epi->ffd.file->f_op->poll(epi->ffd.file, NULL); + revents &= epi->event.events; /* - * Set the return event set for the current file descriptor. - * Note that only the task task was successfully able to link - * the item to its "txlist" will write this field. + * Is the event mask intersect the caller-requested one, + * deliver the event to userspace. Again, we are holding + * "sem" in read, so no operations coming from userspace + * can change the item. */ - epi->revents = revents & epi->event.events; - - if (epi->revents) { - if (__put_user(epi->revents, + if (revents) { + if (__put_user(revents, &events[eventcnt].events) || __put_user(epi->event.data, &events[eventcnt].data)) - return -EFAULT; + goto errxit; if (epi->event.events & EPOLLONESHOT) epi->event.events &= EP_PRIVATE_BITS; eventcnt++; } - } - return eventcnt; -} - - -/* - * Walk through the transfer list we collected with ep_collect_ready_items() - * and, if 1) the item is still "alive" 2) its event set is not empty 3) it's - * not already linked, links it to the ready list. Same as above, we are holding - * "sem" so items cannot vanish underneath our nose. - */ -static void ep_reinject_items(struct eventpoll *ep, struct list_head *txlist) -{ - int ricnt = 0, pwake = 0; - unsigned long flags; - struct epitem *epi; - - write_lock_irqsave(&ep->lock, flags); - - while (!list_empty(txlist)) { - epi = list_entry(txlist->next, struct epitem, txlink); - - /* Unlink the current item from the transfer list */ - ep_list_del(&epi->txlink); /* - * If the item is no more linked to the interest set, we don't - * have to push it inside the ready list because the following - * ep_release_epitem() is going to drop it. Also, if the current - * item is set to have an Edge Triggered behaviour, we don't have - * to push it back either. + * This is tricky. We are holding the "sem" in read, and this + * means that the operations that can change the "linked" status + * of the epoll item (epi->rbn and epi->rdllink), cannot touch + * them. Also, since we are "linked" from a epi->rdllink POV + * (the item is linked to our transmission list we just + * spliced), the ep_poll_callback() cannot touch us either, + * because of the check present in there. Another parallel + * epoll_wait() will not get the same result set, since we + * spliced the ready list before. Note that list_del() still + * shows the item as linked to the test in ep_poll_callback(). */ - if (ep_rb_linked(&epi->rbn) && !(epi->event.events & EPOLLET) && - (epi->revents & epi->event.events) && !ep_is_linked(&epi->rdllink)) { - list_add_tail(&epi->rdllink, &ep->rdllist); - ricnt++; + list_del(&epi->rdllink); + if (!(epi->event.events & EPOLLET) && + (revents & epi->event.events)) + list_add_tail(&epi->rdllink, &injlist); + else { + /* + * Be sure the item is totally detached before re-init + * the list_head. After INIT_LIST_HEAD() is committed, + * the ep_poll_callback() can requeue the item again, + * but we don't care since we are already past it. + */ + smp_mb(); + INIT_LIST_HEAD(&epi->rdllink); } } + error = 0; - if (ricnt) { + errxit: + + /* + * If the re-injection list or the txlist are not empty, re-splice + * them to the ready list and do proper wakeups. + */ + if (!list_empty(&injlist) || !list_empty(txlist)) { + write_lock_irqsave(&ep->lock, flags); + + list_splice(txlist, &ep->rdllist); + list_splice(&injlist, &ep->rdllist); /* * Wake up ( if active ) both the eventpoll wait list and the ->poll() * wait list. @@ -1501,13 +1436,15 @@ static void ep_reinject_items(struct eventpoll *ep, struct list_head *txlist) TASK_INTERRUPTIBLE); if (waitqueue_active(&ep->poll_wait)) pwake++; - } - write_unlock_irqrestore(&ep->lock, flags); + write_unlock_irqrestore(&ep->lock, flags); + } /* We have to call this outside the lock */ if (pwake) ep_poll_safewake(&psw, &ep->poll_wait); + + return eventcnt == 0 ? error: eventcnt; } @@ -1517,7 +1454,8 @@ static void ep_reinject_items(struct eventpoll *ep, struct list_head *txlist) static int ep_events_transfer(struct eventpoll *ep, struct epoll_event __user *events, int maxevents) { - int eventcnt = 0; + int eventcnt; + unsigned long flags; struct list_head txlist; INIT_LIST_HEAD(&txlist); @@ -1528,14 +1466,17 @@ static int ep_events_transfer(struct eventpoll *ep, */ down_read(&ep->sem); - /* Collect/extract ready items */ - if (ep_collect_ready_items(ep, &txlist, maxevents) > 0) { - /* Build result set in userspace */ - eventcnt = ep_send_events(ep, &txlist, events); + /* + * Steal the ready list, and re-init the original one to the + * empty list. + */ + write_lock_irqsave(&ep->lock, flags); + list_splice(&ep->rdllist, &txlist); + INIT_LIST_HEAD(&ep->rdllist); + write_unlock_irqrestore(&ep->lock, flags); - /* Reinject ready items into the ready list */ - ep_reinject_items(ep, &txlist); - } + /* Build result set in userspace */ + eventcnt = ep_send_events(ep, &txlist, events, maxevents); up_read(&ep->sem); @@ -1612,14 +1553,12 @@ retry: return res; } - static int eventpollfs_delete_dentry(struct dentry *dentry) { return 1; } - static struct inode *ep_eventpoll_inode(void) { int error = -ENOMEM; @@ -1647,7 +1586,6 @@ eexit_1: return ERR_PTR(error); } - static int eventpollfs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, struct vfsmount *mnt) @@ -100,6 +100,7 @@ int unregister_binfmt(struct linux_binfmt * fmt) while (*tmp) { if (fmt == *tmp) { *tmp = fmt->next; + fmt->next = NULL; write_unlock(&binfmt_lock); return 0; } @@ -982,33 +983,51 @@ void compute_creds(struct linux_binprm *bprm) task_unlock(current); security_bprm_post_apply_creds(bprm); } - EXPORT_SYMBOL(compute_creds); +/* + * Arguments are '\0' separated strings found at the location bprm->p + * points to; chop off the first by relocating brpm->p to right after + * the first '\0' encountered. + */ void remove_arg_zero(struct linux_binprm *bprm) { if (bprm->argc) { - unsigned long offset; - char * kaddr; - struct page *page; + char ch; - offset = bprm->p % PAGE_SIZE; - goto inside; + do { + unsigned long offset; + unsigned long index; + char *kaddr; + struct page *page; - while (bprm->p++, *(kaddr+offset++)) { - if (offset != PAGE_SIZE) - continue; - offset = 0; - kunmap_atomic(kaddr, KM_USER0); -inside: - page = bprm->page[bprm->p/PAGE_SIZE]; + offset = bprm->p & ~PAGE_MASK; + index = bprm->p >> PAGE_SHIFT; + + page = bprm->page[index]; kaddr = kmap_atomic(page, KM_USER0); - } - kunmap_atomic(kaddr, KM_USER0); + + /* run through page until we reach end or find NUL */ + do { + ch = *(kaddr + offset); + + /* discard that character... */ + bprm->p++; + offset++; + } while (offset < PAGE_SIZE && ch != '\0'); + + kunmap_atomic(kaddr, KM_USER0); + + /* free the old page */ + if (offset == PAGE_SIZE) { + __free_page(page); + bprm->page[index] = NULL; + } + } while (ch != '\0'); + bprm->argc--; } } - EXPORT_SYMBOL(remove_arg_zero); /* diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c index 93e77c3..e98f6cd 100644 --- a/fs/exportfs/expfs.c +++ b/fs/exportfs/expfs.c @@ -2,7 +2,6 @@ #include <linux/fs.h> #include <linux/file.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/namei.h> struct export_operations export_op_default; diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 1d1e7e30..2bf49d7 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -23,7 +23,6 @@ #include "ext2.h" #include <linux/pagemap.h> -#include <linux/smp_lock.h> typedef struct ext2_dir_entry_2 ext2_dirent; diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index e2a0ea5..9fd0ec5 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -133,6 +133,7 @@ extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int); extern void ext2_truncate (struct inode *); extern int ext2_setattr (struct dentry *, struct iattr *); extern void ext2_set_inode_flags(struct inode *inode); +extern void ext2_get_inode_flags(struct ext2_inode_info *); /* ioctl.c */ extern int ext2_ioctl (struct inode *, struct file *, unsigned int, diff --git a/fs/ext2/fsync.c b/fs/ext2/fsync.c index 7806b9e..fc66c93 100644 --- a/fs/ext2/fsync.c +++ b/fs/ext2/fsync.c @@ -23,7 +23,6 @@ */ #include "ext2.h" -#include <linux/smp_lock.h> #include <linux/buffer_head.h> /* for sync_mapping_buffers() */ diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index dd4e14c..0079b2c 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1055,6 +1055,25 @@ void ext2_set_inode_flags(struct inode *inode) inode->i_flags |= S_DIRSYNC; } +/* Propagate flags from i_flags to EXT2_I(inode)->i_flags */ +void ext2_get_inode_flags(struct ext2_inode_info *ei) +{ + unsigned int flags = ei->vfs_inode.i_flags; + + ei->i_flags &= ~(EXT2_SYNC_FL|EXT2_APPEND_FL| + EXT2_IMMUTABLE_FL|EXT2_NOATIME_FL|EXT2_DIRSYNC_FL); + if (flags & S_SYNC) + ei->i_flags |= EXT2_SYNC_FL; + if (flags & S_APPEND) + ei->i_flags |= EXT2_APPEND_FL; + if (flags & S_IMMUTABLE) + ei->i_flags |= EXT2_IMMUTABLE_FL; + if (flags & S_NOATIME) + ei->i_flags |= EXT2_NOATIME_FL; + if (flags & S_DIRSYNC) + ei->i_flags |= EXT2_DIRSYNC_FL; +} + void ext2_read_inode (struct inode * inode) { struct ext2_inode_info *ei = EXT2_I(inode); @@ -1079,9 +1098,9 @@ void ext2_read_inode (struct inode * inode) } inode->i_nlink = le16_to_cpu(raw_inode->i_links_count); inode->i_size = le32_to_cpu(raw_inode->i_size); - inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime); - inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime); - inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime); + inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime); + inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime); + inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime); inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = 0; ei->i_dtime = le32_to_cpu(raw_inode->i_dtime); /* We now have enough fields to check if the inode was active or not. @@ -1188,6 +1207,7 @@ static int ext2_update_inode(struct inode * inode, int do_sync) if (ei->i_state & EXT2_STATE_NEW) memset(raw_inode, 0, EXT2_SB(sb)->s_inode_size); + ext2_get_inode_flags(ei); raw_inode->i_mode = cpu_to_le16(inode->i_mode); if (!(test_opt(sb, NO_UID32))) { raw_inode->i_uid_low = cpu_to_le16(low_16_bits(uid)); diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c index 4b099d3..e85c482 100644 --- a/fs/ext2/ioctl.c +++ b/fs/ext2/ioctl.c @@ -27,6 +27,7 @@ int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd, switch (cmd) { case EXT2_IOC_GETFLAGS: + ext2_get_inode_flags(ei); flags = ei->i_flags & EXT2_FL_USER_VISIBLE; return put_user(flags, (int __user *) arg); case EXT2_IOC_SETFLAGS: { diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c index a266127..eaa23d2 100644 --- a/fs/ext2/xattr_security.c +++ b/fs/ext2/xattr_security.c @@ -6,7 +6,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext2_fs.h> #include <linux/security.h> #include "xattr.h" diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c index f28a6a4..83ee149 100644 --- a/fs/ext2/xattr_trusted.c +++ b/fs/ext2/xattr_trusted.c @@ -9,7 +9,6 @@ #include <linux/string.h> #include <linux/capability.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext2_fs.h> #include "xattr.h" diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c index 665adee..8528698 100644 --- a/fs/ext3/dir.c +++ b/fs/ext3/dir.c @@ -25,7 +25,6 @@ #include <linux/jbd.h> #include <linux/ext3_fs.h> #include <linux/buffer_head.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/rbtree.h> diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index a5b150f..e1bb031 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -27,7 +27,6 @@ #include <linux/time.h> #include <linux/ext3_jbd.h> #include <linux/jbd.h> -#include <linux/smp_lock.h> #include <linux/highuid.h> #include <linux/pagemap.h> #include <linux/quotaops.h> @@ -2581,6 +2580,25 @@ void ext3_set_inode_flags(struct inode *inode) inode->i_flags |= S_DIRSYNC; } +/* Propagate flags from i_flags to EXT3_I(inode)->i_flags */ +void ext3_get_inode_flags(struct ext3_inode_info *ei) +{ + unsigned int flags = ei->vfs_inode.i_flags; + + ei->i_flags &= ~(EXT3_SYNC_FL|EXT3_APPEND_FL| + EXT3_IMMUTABLE_FL|EXT3_NOATIME_FL|EXT3_DIRSYNC_FL); + if (flags & S_SYNC) + ei->i_flags |= EXT3_SYNC_FL; + if (flags & S_APPEND) + ei->i_flags |= EXT3_APPEND_FL; + if (flags & S_IMMUTABLE) + ei->i_flags |= EXT3_IMMUTABLE_FL; + if (flags & S_NOATIME) + ei->i_flags |= EXT3_NOATIME_FL; + if (flags & S_DIRSYNC) + ei->i_flags |= EXT3_DIRSYNC_FL; +} + void ext3_read_inode(struct inode * inode) { struct ext3_iloc iloc; @@ -2608,9 +2626,9 @@ void ext3_read_inode(struct inode * inode) } inode->i_nlink = le16_to_cpu(raw_inode->i_links_count); inode->i_size = le32_to_cpu(raw_inode->i_size); - inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime); - inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime); - inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime); + inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime); + inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime); + inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime); inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_mtime.tv_nsec = 0; ei->i_state = 0; @@ -2736,6 +2754,7 @@ static int ext3_do_update_inode(handle_t *handle, if (ei->i_state & EXT3_STATE_NEW) memset(raw_inode, 0, EXT3_SB(inode->i_sb)->s_inode_size); + ext3_get_inode_flags(ei); raw_inode->i_mode = cpu_to_le16(inode->i_mode); if(!(test_opt(inode->i_sb, NO_UID32))) { raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid)); diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c index 9b8090d..965006d 100644 --- a/fs/ext3/ioctl.c +++ b/fs/ext3/ioctl.c @@ -28,6 +28,7 @@ int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd, switch (cmd) { case EXT3_IOC_GETFLAGS: + ext3_get_inode_flags(ei); flags = ei->i_flags & EXT3_FL_USER_VISIBLE; return put_user(flags, (int __user *) arg); case EXT3_IOC_SETFLAGS: { diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index 49159f1..9bb046d 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -36,7 +36,6 @@ #include <linux/quotaops.h> #include <linux/buffer_head.h> #include <linux/bio.h> -#include <linux/smp_lock.h> #include "namei.h" #include "xattr.h" @@ -969,6 +968,7 @@ static struct buffer_head * ext3_dx_find_entry(struct dentry *dentry, (block<<EXT3_BLOCK_SIZE_BITS(sb)) +((char *)de - bh->b_data))) { brelse (bh); + *err = ERR_BAD_DX_DIR; goto errout; } *res_dir = de; @@ -1134,9 +1134,9 @@ static struct ext3_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, char *data1 = (*bh)->b_data, *data2; unsigned split; struct ext3_dir_entry_2 *de = NULL, *de2; - int err; + int err = 0; - bh2 = ext3_append (handle, dir, &newblock, error); + bh2 = ext3_append (handle, dir, &newblock, &err); if (!(bh2)) { brelse(*bh); *bh = NULL; @@ -1145,14 +1145,9 @@ static struct ext3_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, BUFFER_TRACE(*bh, "get_write_access"); err = ext3_journal_get_write_access(handle, *bh); - if (err) { - journal_error: - brelse(*bh); - brelse(bh2); - *bh = NULL; - ext3_std_error(dir->i_sb, err); - goto errout; - } + if (err) + goto journal_error; + BUFFER_TRACE(frame->bh, "get_write_access"); err = ext3_journal_get_write_access(handle, frame->bh); if (err) @@ -1195,8 +1190,16 @@ static struct ext3_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, goto journal_error; brelse (bh2); dxtrace(dx_show_index ("frame", frame->entries)); -errout: return de; + +journal_error: + brelse(*bh); + brelse(bh2); + *bh = NULL; + ext3_std_error(dir->i_sb, err); +errout: + *error = err; + return NULL; } #endif diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c index ecf8990..2c97e09 100644 --- a/fs/ext3/resize.c +++ b/fs/ext3/resize.c @@ -11,7 +11,6 @@ #define EXT3FS_DEBUG -#include <linux/smp_lock.h> #include <linux/ext3_jbd.h> #include <linux/errno.h> diff --git a/fs/ext3/xattr_security.c b/fs/ext3/xattr_security.c index b9c40c1..821efaf 100644 --- a/fs/ext3/xattr_security.c +++ b/fs/ext3/xattr_security.c @@ -6,7 +6,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext3_jbd.h> #include <linux/ext3_fs.h> #include <linux/security.h> diff --git a/fs/ext3/xattr_trusted.c b/fs/ext3/xattr_trusted.c index 86d91f1..0327497 100644 --- a/fs/ext3/xattr_trusted.c +++ b/fs/ext3/xattr_trusted.c @@ -9,7 +9,6 @@ #include <linux/string.h> #include <linux/capability.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext3_jbd.h> #include <linux/ext3_fs.h> #include "xattr.h" diff --git a/fs/ext3/xattr_user.c b/fs/ext3/xattr_user.c index a85a0a1..1abd8f9 100644 --- a/fs/ext3/xattr_user.c +++ b/fs/ext3/xattr_user.c @@ -8,7 +8,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext3_jbd.h> #include <linux/ext3_fs.h> #include "xattr.h" diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index da80368..e8ad06e 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -25,7 +25,6 @@ #include <linux/jbd2.h> #include <linux/ext4_fs.h> #include <linux/buffer_head.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/rbtree.h> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 7916b50..a0f0c04 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -34,7 +34,6 @@ #include <linux/time.h> #include <linux/ext4_jbd2.h> #include <linux/jbd.h> -#include <linux/smp_lock.h> #include <linux/highuid.h> #include <linux/pagemap.h> #include <linux/quotaops.h> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 810b6d6..b34182b 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -27,7 +27,6 @@ #include <linux/time.h> #include <linux/ext4_jbd2.h> #include <linux/jbd2.h> -#include <linux/smp_lock.h> #include <linux/highuid.h> #include <linux/pagemap.h> #include <linux/quotaops.h> @@ -2611,9 +2610,9 @@ void ext4_read_inode(struct inode * inode) } inode->i_nlink = le16_to_cpu(raw_inode->i_links_count); inode->i_size = le32_to_cpu(raw_inode->i_size); - inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime); - inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime); - inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime); + inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime); + inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime); + inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime); inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_mtime.tv_nsec = 0; ei->i_state = 0; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index e7e1d79..4ec57be 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -36,7 +36,6 @@ #include <linux/quotaops.h> #include <linux/buffer_head.h> #include <linux/bio.h> -#include <linux/smp_lock.h> #include "namei.h" #include "xattr.h" @@ -967,6 +966,7 @@ static struct buffer_head * ext4_dx_find_entry(struct dentry *dentry, (block<<EXT4_BLOCK_SIZE_BITS(sb)) +((char *)de - bh->b_data))) { brelse (bh); + *err = ERR_BAD_DX_DIR; goto errout; } *res_dir = de; @@ -1132,9 +1132,9 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, char *data1 = (*bh)->b_data, *data2; unsigned split; struct ext4_dir_entry_2 *de = NULL, *de2; - int err; + int err = 0; - bh2 = ext4_append (handle, dir, &newblock, error); + bh2 = ext4_append (handle, dir, &newblock, &err); if (!(bh2)) { brelse(*bh); *bh = NULL; @@ -1143,14 +1143,9 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, BUFFER_TRACE(*bh, "get_write_access"); err = ext4_journal_get_write_access(handle, *bh); - if (err) { - journal_error: - brelse(*bh); - brelse(bh2); - *bh = NULL; - ext4_std_error(dir->i_sb, err); - goto errout; - } + if (err) + goto journal_error; + BUFFER_TRACE(frame->bh, "get_write_access"); err = ext4_journal_get_write_access(handle, frame->bh); if (err) @@ -1193,8 +1188,16 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, goto journal_error; brelse (bh2); dxtrace(dx_show_index ("frame", frame->entries)); -errout: return de; + +journal_error: + brelse(*bh); + brelse(bh2); + *bh = NULL; + ext4_std_error(dir->i_sb, err); +errout: + *error = err; + return NULL; } #endif diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index ea99f6c..aa11d7d 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -11,7 +11,6 @@ #define EXT4FS_DEBUG -#include <linux/smp_lock.h> #include <linux/ext4_jbd2.h> #include <linux/errno.h> diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c index b6a6861..f17eaf2 100644 --- a/fs/ext4/xattr_security.c +++ b/fs/ext4/xattr_security.c @@ -6,7 +6,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext4_jbd2.h> #include <linux/ext4_fs.h> #include <linux/security.h> diff --git a/fs/ext4/xattr_trusted.c b/fs/ext4/xattr_trusted.c index b76f2db..e0f05ac 100644 --- a/fs/ext4/xattr_trusted.c +++ b/fs/ext4/xattr_trusted.c @@ -9,7 +9,6 @@ #include <linux/string.h> #include <linux/capability.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext4_jbd2.h> #include <linux/ext4_fs.h> #include "xattr.h" diff --git a/fs/ext4/xattr_user.c b/fs/ext4/xattr_user.c index c53cded..7ed3d8e 100644 --- a/fs/ext4/xattr_user.c +++ b/fs/ext4/xattr_user.c @@ -8,7 +8,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext4_jbd2.h> #include <linux/ext4_fs.h> #include "xattr.h" diff --git a/fs/fat/dir.c b/fs/fat/dir.c index c16af24..ccf161d 100644 --- a/fs/fat/dir.c +++ b/fs/fat/dir.c @@ -422,7 +422,7 @@ EODir: EXPORT_SYMBOL_GPL(fat_search_long); struct fat_ioctl_filldir_callback { - struct dirent __user *dirent; + void __user *dirent; int result; /* for dir ioctl */ const char *longname; @@ -647,62 +647,85 @@ static int fat_readdir(struct file *filp, void *dirent, filldir_t filldir) return __fat_readdir(inode, filp, dirent, filldir, 0, 0); } -static int fat_ioctl_filldir(void *__buf, const char *name, int name_len, - loff_t offset, u64 ino, unsigned int d_type) +#define FAT_IOCTL_FILLDIR_FUNC(func, dirent_type) \ +static int func(void *__buf, const char *name, int name_len, \ + loff_t offset, u64 ino, unsigned int d_type) \ +{ \ + struct fat_ioctl_filldir_callback *buf = __buf; \ + struct dirent_type __user *d1 = buf->dirent; \ + struct dirent_type __user *d2 = d1 + 1; \ + \ + if (buf->result) \ + return -EINVAL; \ + buf->result++; \ + \ + if (name != NULL) { \ + /* dirent has only short name */ \ + if (name_len >= sizeof(d1->d_name)) \ + name_len = sizeof(d1->d_name) - 1; \ + \ + if (put_user(0, d2->d_name) || \ + put_user(0, &d2->d_reclen) || \ + copy_to_user(d1->d_name, name, name_len) || \ + put_user(0, d1->d_name + name_len) || \ + put_user(name_len, &d1->d_reclen)) \ + goto efault; \ + } else { \ + /* dirent has short and long name */ \ + const char *longname = buf->longname; \ + int long_len = buf->long_len; \ + const char *shortname = buf->shortname; \ + int short_len = buf->short_len; \ + \ + if (long_len >= sizeof(d1->d_name)) \ + long_len = sizeof(d1->d_name) - 1; \ + if (short_len >= sizeof(d1->d_name)) \ + short_len = sizeof(d1->d_name) - 1; \ + \ + if (copy_to_user(d2->d_name, longname, long_len) || \ + put_user(0, d2->d_name + long_len) || \ + put_user(long_len, &d2->d_reclen) || \ + put_user(ino, &d2->d_ino) || \ + put_user(offset, &d2->d_off) || \ + copy_to_user(d1->d_name, shortname, short_len) || \ + put_user(0, d1->d_name + short_len) || \ + put_user(short_len, &d1->d_reclen)) \ + goto efault; \ + } \ + return 0; \ +efault: \ + buf->result = -EFAULT; \ + return -EFAULT; \ +} + +FAT_IOCTL_FILLDIR_FUNC(fat_ioctl_filldir, dirent) + +static int fat_ioctl_readdir(struct inode *inode, struct file *filp, + void __user *dirent, filldir_t filldir, + int short_only, int both) { - struct fat_ioctl_filldir_callback *buf = __buf; - struct dirent __user *d1 = buf->dirent; - struct dirent __user *d2 = d1 + 1; - - if (buf->result) - return -EINVAL; - buf->result++; - - if (name != NULL) { - /* dirent has only short name */ - if (name_len >= sizeof(d1->d_name)) - name_len = sizeof(d1->d_name) - 1; - - if (put_user(0, d2->d_name) || - put_user(0, &d2->d_reclen) || - copy_to_user(d1->d_name, name, name_len) || - put_user(0, d1->d_name + name_len) || - put_user(name_len, &d1->d_reclen)) - goto efault; - } else { - /* dirent has short and long name */ - const char *longname = buf->longname; - int long_len = buf->long_len; - const char *shortname = buf->shortname; - int short_len = buf->short_len; - - if (long_len >= sizeof(d1->d_name)) - long_len = sizeof(d1->d_name) - 1; - if (short_len >= sizeof(d1->d_name)) - short_len = sizeof(d1->d_name) - 1; - - if (copy_to_user(d2->d_name, longname, long_len) || - put_user(0, d2->d_name + long_len) || - put_user(long_len, &d2->d_reclen) || - put_user(ino, &d2->d_ino) || - put_user(offset, &d2->d_off) || - copy_to_user(d1->d_name, shortname, short_len) || - put_user(0, d1->d_name + short_len) || - put_user(short_len, &d1->d_reclen)) - goto efault; + struct fat_ioctl_filldir_callback buf; + int ret; + + buf.dirent = dirent; + buf.result = 0; + mutex_lock(&inode->i_mutex); + ret = -ENOENT; + if (!IS_DEADDIR(inode)) { + ret = __fat_readdir(inode, filp, &buf, filldir, + short_only, both); } - return 0; -efault: - buf->result = -EFAULT; - return -EFAULT; + mutex_unlock(&inode->i_mutex); + if (ret >= 0) + ret = buf.result; + return ret; } -static int fat_dir_ioctl(struct inode * inode, struct file * filp, - unsigned int cmd, unsigned long arg) +static int fat_dir_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { - struct fat_ioctl_filldir_callback buf; - struct dirent __user *d1; - int ret, short_only, both; + struct dirent __user *d1 = (struct dirent __user *)arg; + int short_only, both; switch (cmd) { case VFAT_IOCTL_READDIR_SHORT: @@ -717,7 +740,6 @@ static int fat_dir_ioctl(struct inode * inode, struct file * filp, return fat_generic_ioctl(inode, filp, cmd, arg); } - d1 = (struct dirent __user *)arg; if (!access_ok(VERIFY_WRITE, d1, sizeof(struct dirent[2]))) return -EFAULT; /* @@ -728,69 +750,48 @@ static int fat_dir_ioctl(struct inode * inode, struct file * filp, if (put_user(0, &d1->d_reclen)) return -EFAULT; - buf.dirent = d1; - buf.result = 0; - mutex_lock(&inode->i_mutex); - ret = -ENOENT; - if (!IS_DEADDIR(inode)) { - ret = __fat_readdir(inode, filp, &buf, fat_ioctl_filldir, - short_only, both); - } - mutex_unlock(&inode->i_mutex); - if (ret >= 0) - ret = buf.result; - return ret; + return fat_ioctl_readdir(inode, filp, d1, fat_ioctl_filldir, + short_only, both); } #ifdef CONFIG_COMPAT #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2]) #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2]) -static long fat_compat_put_dirent32(struct dirent *d, - struct compat_dirent __user *d32) -{ - if (!access_ok(VERIFY_WRITE, d32, sizeof(struct compat_dirent))) - return -EFAULT; - - __put_user(d->d_ino, &d32->d_ino); - __put_user(d->d_off, &d32->d_off); - __put_user(d->d_reclen, &d32->d_reclen); - if (__copy_to_user(d32->d_name, d->d_name, d->d_reclen)) - return -EFAULT; +FAT_IOCTL_FILLDIR_FUNC(fat_compat_ioctl_filldir, compat_dirent) - return 0; -} - -static long fat_compat_dir_ioctl(struct file *file, unsigned cmd, +static long fat_compat_dir_ioctl(struct file *filp, unsigned cmd, unsigned long arg) { - struct compat_dirent __user *p = compat_ptr(arg); - int ret; - mm_segment_t oldfs = get_fs(); - struct dirent d[2]; + struct inode *inode = filp->f_path.dentry->d_inode; + struct compat_dirent __user *d1 = compat_ptr(arg); + int short_only, both; switch (cmd) { - case VFAT_IOCTL_READDIR_BOTH32: - cmd = VFAT_IOCTL_READDIR_BOTH; - break; case VFAT_IOCTL_READDIR_SHORT32: - cmd = VFAT_IOCTL_READDIR_SHORT; + short_only = 1; + both = 0; + break; + case VFAT_IOCTL_READDIR_BOTH32: + short_only = 0; + both = 1; break; default: return -ENOIOCTLCMD; } - set_fs(KERNEL_DS); - lock_kernel(); - ret = fat_dir_ioctl(file->f_path.dentry->d_inode, file, - cmd, (unsigned long) &d); - unlock_kernel(); - set_fs(oldfs); - if (ret >= 0) { - ret |= fat_compat_put_dirent32(&d[0], p); - ret |= fat_compat_put_dirent32(&d[1], p + 1); - } - return ret; + if (!access_ok(VERIFY_WRITE, d1, sizeof(struct compat_dirent[2]))) + return -EFAULT; + /* + * Yes, we don't need this put_user() absolutely. However old + * code didn't return the right value. So, app use this value, + * in order to check whether it is EOF. + */ + if (put_user(0, &d1->d_reclen)) + return -EFAULT; + + return fat_ioctl_readdir(inode, filp, d1, fat_compat_ioctl_filldir, + short_only, both); } #endif /* CONFIG_COMPAT */ diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 65cb54b..2c55e8d 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -25,6 +25,7 @@ #include <linux/parser.h> #include <linux/uio.h> #include <linux/writeback.h> +#include <linux/log2.h> #include <asm/unaligned.h> #ifndef CONFIG_FAT_DEFAULT_IOCHARSET @@ -824,6 +825,8 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt) } if (opts->name_check != 'n') seq_printf(m, ",check=%c", opts->name_check); + if (opts->usefree) + seq_puts(m, ",usefree"); if (opts->quiet) seq_puts(m, ",quiet"); if (opts->showexec) @@ -849,7 +852,7 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt) enum { Opt_check_n, Opt_check_r, Opt_check_s, Opt_uid, Opt_gid, - Opt_umask, Opt_dmask, Opt_fmask, Opt_codepage, Opt_nocase, + Opt_umask, Opt_dmask, Opt_fmask, Opt_codepage, Opt_usefree, Opt_nocase, Opt_quiet, Opt_showexec, Opt_debug, Opt_immutable, Opt_dots, Opt_nodots, Opt_charset, Opt_shortname_lower, Opt_shortname_win95, @@ -871,6 +874,7 @@ static match_table_t fat_tokens = { {Opt_dmask, "dmask=%o"}, {Opt_fmask, "fmask=%o"}, {Opt_codepage, "codepage=%u"}, + {Opt_usefree, "usefree"}, {Opt_nocase, "nocase"}, {Opt_quiet, "quiet"}, {Opt_showexec, "showexec"}, @@ -950,7 +954,7 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug, opts->quiet = opts->showexec = opts->sys_immutable = opts->dotsOK = 0; opts->utf8 = opts->unicode_xlate = 0; opts->numtail = 1; - opts->nocase = 0; + opts->usefree = opts->nocase = 0; *debug = 0; if (!options) @@ -978,6 +982,9 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug, case Opt_check_n: opts->name_check = 'n'; break; + case Opt_usefree: + opts->usefree = 1; + break; case Opt_nocase: if (!is_vfat) opts->nocase = 1; @@ -1217,8 +1224,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, } logical_sector_size = le16_to_cpu(get_unaligned((__le16 *)&b->sector_size)); - if (!logical_sector_size - || (logical_sector_size & (logical_sector_size - 1)) + if (!is_power_of_2(logical_sector_size) || (logical_sector_size < 512) || (PAGE_CACHE_SIZE < logical_sector_size)) { if (!silent) @@ -1228,8 +1234,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, goto out_invalid; } sbi->sec_per_clus = b->sec_per_clus; - if (!sbi->sec_per_clus - || (sbi->sec_per_clus & (sbi->sec_per_clus - 1))) { + if (!is_power_of_2(sbi->sec_per_clus)) { if (!silent) printk(KERN_ERR "FAT: bogus sectors per cluster %u\n", sbi->sec_per_clus); @@ -1305,7 +1310,9 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, le32_to_cpu(fsinfo->signature2), sbi->fsinfo_sector); } else { - sbi->free_clusters = le32_to_cpu(fsinfo->free_clusters); + if (sbi->options.usefree) + sbi->free_clusters = + le32_to_cpu(fsinfo->free_clusters); sbi->prev_free = le32_to_cpu(fsinfo->next_cluster); } @@ -11,7 +11,6 @@ #include <linux/mm.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/pipe_fs_i.h> diff --git a/fs/file_table.c b/fs/file_table.c index 4c17a18..d17fd69 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -10,7 +10,6 @@ #include <linux/file.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/security.h> #include <linux/eventpoll.h> diff --git a/fs/filesystems.c b/fs/filesystems.c index 7a4f61a..f37f872 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -41,11 +41,12 @@ void put_filesystem(struct file_system_type *fs) module_put(fs->owner); } -static struct file_system_type **find_filesystem(const char *name) +static struct file_system_type **find_filesystem(const char *name, unsigned len) { struct file_system_type **p; for (p=&file_systems; *p; p=&(*p)->next) - if (strcmp((*p)->name,name) == 0) + if (strlen((*p)->name) == len && + strncmp((*p)->name, name, len) == 0) break; return p; } @@ -68,11 +69,12 @@ int register_filesystem(struct file_system_type * fs) int res = 0; struct file_system_type ** p; + BUG_ON(strchr(fs->name, '.')); if (fs->next) return -EBUSY; INIT_LIST_HEAD(&fs->fs_supers); write_lock(&file_systems_lock); - p = find_filesystem(fs->name); + p = find_filesystem(fs->name, strlen(fs->name)); if (*p) res = -EBUSY; else @@ -215,19 +217,26 @@ int get_filesystem_list(char * buf) struct file_system_type *get_fs_type(const char *name) { struct file_system_type *fs; + const char *dot = strchr(name, '.'); + unsigned len = dot ? dot - name : strlen(name); read_lock(&file_systems_lock); - fs = *(find_filesystem(name)); + fs = *(find_filesystem(name, len)); if (fs && !try_module_get(fs->owner)) fs = NULL; read_unlock(&file_systems_lock); - if (!fs && (request_module("%s", name) == 0)) { + if (!fs && (request_module("%.*s", len, name) == 0)) { read_lock(&file_systems_lock); - fs = *(find_filesystem(name)); + fs = *(find_filesystem(name, len)); if (fs && !try_module_get(fs->owner)) fs = NULL; read_unlock(&file_systems_lock); } + + if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) { + put_filesystem(fs); + fs = NULL; + } return fs; } diff --git a/fs/freevxfs/vxfs_bmap.c b/fs/freevxfs/vxfs_bmap.c index 2d71128..f86fd3c 100644 --- a/fs/freevxfs/vxfs_bmap.c +++ b/fs/freevxfs/vxfs_bmap.c @@ -137,7 +137,7 @@ vxfs_bmap_indir(struct inode *ip, long indir, int size, long block) bp = sb_bread(ip->i_sb, indir + (i / VXFS_TYPED_PER_BLOCK(ip->i_sb))); - if (!buffer_mapped(bp)) + if (!bp || !buffer_mapped(bp)) return 0; typ = ((struct vxfs_typed *)bp->b_data) + diff --git a/fs/freevxfs/vxfs_inode.c b/fs/freevxfs/vxfs_inode.c index 098a915..d1f7c5b 100644 --- a/fs/freevxfs/vxfs_inode.c +++ b/fs/freevxfs/vxfs_inode.c @@ -99,7 +99,7 @@ vxfs_blkiget(struct super_block *sbp, u_long extent, ino_t ino) offset = ((ino % (sbp->s_blocksize / VXFS_ISIZE)) * VXFS_ISIZE); bp = sb_bread(sbp, block); - if (buffer_mapped(bp)) { + if (bp && buffer_mapped(bp)) { struct vxfs_inode_info *vip; struct vxfs_dinode *dip; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index d8003be..1397018 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -636,6 +636,7 @@ static int fuse_get_sb(struct file_system_type *fs_type, static struct file_system_type fuse_fs_type = { .owner = THIS_MODULE, .name = "fuse", + .fs_flags = FS_HAS_SUBTYPE, .get_sb = fuse_get_sb, .kill_sb = kill_anon_super, }; @@ -652,6 +653,7 @@ static int fuse_get_sb_blk(struct file_system_type *fs_type, static struct file_system_type fuseblk_fs_type = { .owner = THIS_MODULE, .name = "fuseblk", + .fs_flags = FS_HAS_SUBTYPE, .get_sb = fuse_get_sb_blk, .kill_sb = kill_block_super, .fs_flags = FS_REQUIRES_DEV, diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 39c8ae2..7b82657 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -163,10 +163,7 @@ static void inode_go_sync(struct gfs2_glock *gl) if (ip) { struct address_space *mapping = ip->i_inode.i_mapping; int error = filemap_fdatawait(mapping); - if (error == -ENOSPC) - set_bit(AS_ENOSPC, &mapping->flags); - else if (error) - set_bit(AS_EIO, &mapping->flags); + mapping_set_error(mapping, error); } clear_bit(GLF_DIRTY, &gl->gl_flags); gfs2_ail_empty_gl(gl); diff --git a/fs/gfs2/locking/nolock/main.c b/fs/gfs2/locking/nolock/main.c index 5cc1dfa..0d149c8c 100644 --- a/fs/gfs2/locking/nolock/main.c +++ b/fs/gfs2/locking/nolock/main.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/lm_interface.h> struct nolock_lockspace { diff --git a/fs/gfs2/ops_dentry.c b/fs/gfs2/ops_dentry.c index c6bac6b..a6fdc52 100644 --- a/fs/gfs2/ops_dentry.c +++ b/fs/gfs2/ops_dentry.c @@ -11,7 +11,6 @@ #include <linux/spinlock.h> #include <linux/completion.h> #include <linux/buffer_head.h> -#include <linux/smp_lock.h> #include <linux/gfs2_ondisk.h> #include <linux/crc32.h> #include <linux/lm_interface.h> diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index 329c4dc..064df88 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -15,7 +15,6 @@ #include <linux/uio.h> #include <linux/blkdev.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/gfs2_ondisk.h> #include <linux/ext2_fs.h> diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 5fd0ed7..8a3a650 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -9,6 +9,7 @@ */ #include <linux/pagemap.h> +#include <linux/log2.h> #include "btree.h" @@ -76,7 +77,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->depth = be16_to_cpu(head->depth); size = tree->node_size; - if (!size || size & (size - 1)) + if (!is_power_of_2(size)) goto fail_page; if (!tree->node_count) goto fail_page; diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c index a9b9e87..90ebab7 100644 --- a/fs/hfsplus/btree.c +++ b/fs/hfsplus/btree.c @@ -10,6 +10,7 @@ #include <linux/slab.h> #include <linux/pagemap.h> +#include <linux/log2.h> #include "hfsplus_fs.h" #include "hfsplus_raw.h" @@ -69,7 +70,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id) } size = tree->node_size; - if (!size || size & (size - 1)) + if (!is_power_of_2(size)) goto fail_page; if (!tree->node_count) goto fail_page; diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h index 70543b1..06e5930 100644 --- a/fs/hostfs/hostfs.h +++ b/fs/hostfs/hostfs.h @@ -55,7 +55,7 @@ extern int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, int *nlink_out, int *uid_out, int *gid_out, unsigned long long *size_out, struct timespec *atime_out, struct timespec *mtime_out, struct timespec *ctime_out, - int *blksize_out, unsigned long long *blocks_out); + int *blksize_out, unsigned long long *blocks_out, int fd); extern int access_file(char *path, int r, int w, int x); extern int open_file(char *path, int r, int w, int append); extern int file_type(const char *path, int *maj, int *min); @@ -71,7 +71,7 @@ extern int lseek_file(int fd, long long offset, int whence); extern int fsync_file(int fd, int datasync); extern int file_create(char *name, int ur, int uw, int ux, int gr, int gw, int gx, int or, int ow, int ox); -extern int set_attr(const char *file, struct hostfs_iattr *attrs); +extern int set_attr(const char *file, struct hostfs_iattr *attrs, int fd); extern int make_symlink(const char *from, const char *to); extern int unlink_file(const char *file); extern int do_mkdir(const char *file, int mode); @@ -87,14 +87,3 @@ extern int do_statfs(char *root, long *bsize_out, long long *blocks_out, long *spare_out); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index fd301a9..8286491 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL * * Ported the filesystem routines to 2.5. @@ -31,14 +31,14 @@ struct hostfs_inode_info { static inline struct hostfs_inode_info *HOSTFS_I(struct inode *inode) { - return(list_entry(inode, struct hostfs_inode_info, vfs_inode)); + return list_entry(inode, struct hostfs_inode_info, vfs_inode); } #define FILE_HOSTFS_I(file) HOSTFS_I((file)->f_path.dentry->d_inode) int hostfs_d_delete(struct dentry *dentry) { - return(1); + return 1; } struct dentry_operations hostfs_dentry_ops = { @@ -79,7 +79,7 @@ static int __init hostfs_args(char *options, int *add) } options = ptr; } - return(0); + return 0; } __uml_setup("hostfs=", hostfs_args, @@ -110,7 +110,8 @@ static char *dentry_name(struct dentry *dentry, int extra) root = HOSTFS_I(parent->d_inode)->host_filename; len += strlen(root); name = kmalloc(len + extra + 1, GFP_KERNEL); - if(name == NULL) return(NULL); + if(name == NULL) + return NULL; name[len] = '\0'; parent = dentry; @@ -122,7 +123,7 @@ static char *dentry_name(struct dentry *dentry, int extra) parent = parent->d_parent; } strncpy(name, root, strlen(root)); - return(name); + return name; } static char *inode_name(struct inode *ino, int extra) @@ -130,7 +131,7 @@ static char *inode_name(struct inode *ino, int extra) struct dentry *dentry; dentry = list_entry(ino->i_dentry.next, struct dentry, d_alias); - return(dentry_name(dentry, extra)); + return dentry_name(dentry, extra); } static int read_name(struct inode *ino, char *name) @@ -147,16 +148,16 @@ static int read_name(struct inode *ino, char *name) err = stat_file(name, &i_ino, &i_mode, &i_nlink, &ino->i_uid, &ino->i_gid, &i_size, &ino->i_atime, &ino->i_mtime, - &ino->i_ctime, &i_blksize, &i_blocks); + &ino->i_ctime, &i_blksize, &i_blocks, -1); if(err) - return(err); + return err; ino->i_ino = i_ino; ino->i_mode = i_mode; ino->i_nlink = i_nlink; ino->i_size = i_size; ino->i_blocks = i_blocks; - return(0); + return 0; } static char *follow_link(char *link) @@ -181,11 +182,11 @@ static char *follow_link(char *link) goto out_free; if(*name == '/') - return(name); + return name; end = strrchr(link, '/'); if(end == NULL) - return(name); + return name; *(end + 1) = '\0'; len = strlen(link) + strlen(name) + 1; @@ -199,12 +200,12 @@ static char *follow_link(char *link) sprintf(resolved, "%s%s", link, name); kfree(name); kfree(link); - return(resolved); + return resolved; out_free: kfree(name); out: - return(ERR_PTR(n)); + return ERR_PTR(n); } static int read_inode(struct inode *ino) @@ -234,7 +235,7 @@ static int read_inode(struct inode *ino) err = read_name(ino, name); kfree(name); out: - return(err); + return err; } int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) @@ -254,14 +255,15 @@ int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) &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); - if(err) return(err); + if(err) + return err; sf->f_blocks = f_blocks; sf->f_bfree = f_bfree; sf->f_bavail = f_bavail; sf->f_files = f_files; sf->f_ffree = f_ffree; sf->f_type = HOSTFS_SUPER_MAGIC; - return(0); + return 0; } static struct inode *hostfs_alloc_inode(struct super_block *sb) @@ -270,13 +272,13 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb) hi = kmalloc(sizeof(*hi), GFP_KERNEL); if(hi == NULL) - return(NULL); + return NULL; *hi = ((struct hostfs_inode_info) { .host_filename = NULL, .fd = -1, .mode = 0 }); inode_init_once(&hi->vfs_inode); - return(&hi->vfs_inode); + return &hi->vfs_inode; } static void hostfs_delete_inode(struct inode *inode) @@ -325,10 +327,12 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir) int error, len; name = dentry_name(file->f_path.dentry, 0); - if(name == NULL) return(-ENOMEM); + if(name == NULL) + return -ENOMEM; dir = open_dir(name, &error); kfree(name); - if(dir == NULL) return(-error); + if(dir == NULL) + return -error; next = file->f_pos; while((name = read_dir(dir, &next, &ino, &len)) != NULL){ error = (*filldir)(ent, name, len, file->f_pos, @@ -337,7 +341,7 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir) file->f_pos = next; } close_dir(dir); - return(0); + return 0; } int hostfs_file_open(struct inode *ino, struct file *file) @@ -347,7 +351,7 @@ int hostfs_file_open(struct inode *ino, struct file *file) mode = file->f_mode & (FMODE_READ | FMODE_WRITE); if((mode & HOSTFS_I(ino)->mode) == mode) - return(0); + return 0; /* The file may already have been opened, but with the wrong access, * so this resets things and reopens the file with the new access. @@ -367,14 +371,15 @@ int hostfs_file_open(struct inode *ino, struct file *file) name = dentry_name(file->f_path.dentry, 0); if(name == NULL) - return(-ENOMEM); + return -ENOMEM; fd = open_file(name, r, w, append); kfree(name); - if(fd < 0) return(fd); + if(fd < 0) + return fd; FILE_HOSTFS_I(file)->fd = fd; - return(0); + return 0; } int hostfs_fsync(struct file *file, struct dentry *dentry, int datasync) @@ -458,7 +463,7 @@ int hostfs_readpage(struct file *file, struct page *page) out: kunmap(page); unlock_page(page); - return(err); + return err; } int hostfs_prepare_write(struct file *file, struct page *page, @@ -485,7 +490,7 @@ int hostfs_prepare_write(struct file *file, struct page *page, err = 0; out: kunmap(page); - return(err); + return err; } int hostfs_commit_write(struct file *file, struct page *page, unsigned from, @@ -511,7 +516,7 @@ int hostfs_commit_write(struct file *file, struct page *page, unsigned from, inode->i_size = start; kunmap(page); - return(err); + return err; } static const struct address_space_operations hostfs_aops = { @@ -569,7 +574,7 @@ static int init_inode(struct inode *inode, struct dentry *dentry) break; } out: - return(err); + return err; } int hostfs_create(struct inode *dir, struct dentry *dentry, int mode, @@ -607,16 +612,16 @@ int hostfs_create(struct inode *dir, struct dentry *dentry, int mode, HOSTFS_I(inode)->fd = fd; HOSTFS_I(inode)->mode = FMODE_READ | FMODE_WRITE; d_instantiate(dentry, inode); - return(0); + return 0; out_put: iput(inode); out: - return(error); + return error; } struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry, - struct nameidata *nd) + struct nameidata *nd) { struct inode *inode; char *name; @@ -647,44 +652,45 @@ struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry, d_add(dentry, inode); dentry->d_op = &hostfs_dentry_ops; - return(NULL); + return NULL; out_put: iput(inode); out: - return(ERR_PTR(err)); + return ERR_PTR(err); } static char *inode_dentry_name(struct inode *ino, struct dentry *dentry) { - char *file; + char *file; int len; file = inode_name(ino, dentry->d_name.len + 1); - if(file == NULL) return(NULL); - strcat(file, "/"); + if(file == NULL) + return NULL; + strcat(file, "/"); len = strlen(file); - strncat(file, dentry->d_name.name, dentry->d_name.len); + strncat(file, dentry->d_name.name, dentry->d_name.len); file[len + dentry->d_name.len] = '\0'; - return(file); + return file; } int hostfs_link(struct dentry *to, struct inode *ino, struct dentry *from) { - char *from_name, *to_name; - int err; + char *from_name, *to_name; + int err; - if((from_name = inode_dentry_name(ino, from)) == NULL) - return(-ENOMEM); - to_name = dentry_name(to, 0); + if((from_name = inode_dentry_name(ino, from)) == NULL) + return -ENOMEM; + to_name = dentry_name(to, 0); if(to_name == NULL){ kfree(from_name); - return(-ENOMEM); + return -ENOMEM; } - err = link_file(to_name, from_name); - kfree(from_name); - kfree(to_name); - return(err); + err = link_file(to_name, from_name); + kfree(from_name); + kfree(to_name); + return err; } int hostfs_unlink(struct inode *ino, struct dentry *dentry) @@ -692,13 +698,14 @@ int hostfs_unlink(struct inode *ino, struct dentry *dentry) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; if(append) - return(-EPERM); + return -EPERM; err = unlink_file(file); kfree(file); - return(err); + return err; } int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to) @@ -706,10 +713,11 @@ int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; err = make_symlink(file, to); kfree(file); - return(err); + return err; } int hostfs_mkdir(struct inode *ino, struct dentry *dentry, int mode) @@ -717,10 +725,11 @@ int hostfs_mkdir(struct inode *ino, struct dentry *dentry, int mode) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; err = do_mkdir(file, mode); kfree(file); - return(err); + return err; } int hostfs_rmdir(struct inode *ino, struct dentry *dentry) @@ -728,10 +737,11 @@ int hostfs_rmdir(struct inode *ino, struct dentry *dentry) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; err = do_rmdir(file); kfree(file); - return(err); + return err; } int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) @@ -764,14 +774,14 @@ int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) goto out_put; d_instantiate(dentry, inode); - return(0); + return 0; out_free: kfree(name); out_put: iput(inode); out: - return(err); + return err; } int hostfs_rename(struct inode *from_ino, struct dentry *from, @@ -781,15 +791,15 @@ int hostfs_rename(struct inode *from_ino, struct dentry *from, int err; if((from_name = inode_dentry_name(from_ino, from)) == NULL) - return(-ENOMEM); + return -ENOMEM; if((to_name = inode_dentry_name(to_ino, to)) == NULL){ kfree(from_name); - return(-ENOMEM); + return -ENOMEM; } err = rename_file(from_name, to_name); kfree(from_name); kfree(to_name); - return(err); + return err; } int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd) @@ -801,7 +811,8 @@ int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd) if (desired & MAY_WRITE) w = 1; if (desired & MAY_EXEC) x = 1; name = inode_name(ino, 0); - if (name == NULL) return(-ENOMEM); + if (name == NULL) + return -ENOMEM; if (S_ISCHR(ino->i_mode) || S_ISBLK(ino->i_mode) || S_ISFIFO(ino->i_mode) || S_ISSOCK(ino->i_mode)) @@ -820,6 +831,8 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr) char *name; int err; + int fd = HOSTFS_I(dentry->d_inode)->fd; + err = inode_change_ok(dentry->d_inode, attr); if (err) return err; @@ -863,20 +876,21 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr) attrs.ia_valid |= HOSTFS_ATTR_MTIME_SET; } name = dentry_name(dentry, 0); - if(name == NULL) return(-ENOMEM); - err = set_attr(name, &attrs); + if(name == NULL) + return -ENOMEM; + err = set_attr(name, &attrs, fd); kfree(name); if(err) - return(err); + return err; - return(inode_setattr(dentry->d_inode, attr)); + return inode_setattr(dentry->d_inode, attr); } int hostfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { generic_fillattr(dentry->d_inode, stat); - return(0); + return 0; } static const struct inode_operations hostfs_iops = { @@ -915,7 +929,8 @@ int hostfs_link_readpage(struct file *file, struct page *page) buffer = kmap(page); name = inode_name(page->mapping->host, 0); - if(name == NULL) return(-ENOMEM); + if(name == NULL) + return -ENOMEM; err = do_readlink(name, buffer, PAGE_CACHE_SIZE); kfree(name); if(err == PAGE_CACHE_SIZE) @@ -928,7 +943,7 @@ int hostfs_link_readpage(struct file *file, struct page *page) } kunmap(page); unlock_page(page); - return(err); + return err; } static const struct address_space_operations hostfs_link_aops = { @@ -978,20 +993,20 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent) err = read_inode(root_inode); if(err){ - /* No iput in this case because the dput does that for us */ - dput(sb->s_root); - sb->s_root = NULL; + /* No iput in this case because the dput does that for us */ + dput(sb->s_root); + sb->s_root = NULL; goto out; - } + } - return(0); + return 0; - out_put: - iput(root_inode); - out_free: +out_put: + iput(root_inode); +out_free: kfree(host_root_path); - out: - return(err); +out: + return err; } static int hostfs_read_sb(struct file_system_type *type, @@ -1011,7 +1026,7 @@ static struct file_system_type hostfs_type = { static int __init init_hostfs(void) { - return(register_filesystem(&hostfs_type)); + return register_filesystem(&hostfs_type); } static void __exit exit_hostfs(void) @@ -1022,14 +1037,3 @@ static void __exit exit_hostfs(void) module_init(init_hostfs) module_exit(exit_hostfs) MODULE_LICENSE("GPL"); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c index 1ed5ea3..5625e24 100644 --- a/fs/hostfs/hostfs_user.c +++ b/fs/hostfs/hostfs_user.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ @@ -21,12 +21,16 @@ int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, int *nlink_out, int *uid_out, int *gid_out, unsigned long long *size_out, struct timespec *atime_out, struct timespec *mtime_out, struct timespec *ctime_out, - int *blksize_out, unsigned long long *blocks_out) + int *blksize_out, unsigned long long *blocks_out, int fd) { struct stat64 buf; - if(lstat64(path, &buf) < 0) - return(-errno); + if(fd >= 0) { + if (fstat64(fd, &buf) < 0) + return -errno; + } else if(lstat64(path, &buf) < 0) { + return -errno; + } if(inode_out != NULL) *inode_out = buf.st_ino; if(mode_out != NULL) *mode_out = buf.st_mode; @@ -48,7 +52,7 @@ int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, } if(blksize_out != NULL) *blksize_out = buf.st_blksize; if(blocks_out != NULL) *blocks_out = buf.st_blocks; - return(0); + return 0; } int file_type(const char *path, int *maj, int *min) @@ -56,7 +60,7 @@ int file_type(const char *path, int *maj, int *min) struct stat64 buf; if(lstat64(path, &buf) < 0) - return(-errno); + return -errno; /*We cannot pass rdev as is because glibc and the kernel disagree *about its definition.*/ if(maj != NULL) @@ -64,13 +68,13 @@ int file_type(const char *path, int *maj, int *min) if(min != NULL) *min = minor(buf.st_rdev); - if(S_ISDIR(buf.st_mode)) return(OS_TYPE_DIR); - else if(S_ISLNK(buf.st_mode)) return(OS_TYPE_SYMLINK); - else if(S_ISCHR(buf.st_mode)) return(OS_TYPE_CHARDEV); - else if(S_ISBLK(buf.st_mode)) return(OS_TYPE_BLOCKDEV); - else if(S_ISFIFO(buf.st_mode))return(OS_TYPE_FIFO); - else if(S_ISSOCK(buf.st_mode))return(OS_TYPE_SOCK); - else return(OS_TYPE_FILE); + if(S_ISDIR(buf.st_mode)) return OS_TYPE_DIR; + else if(S_ISLNK(buf.st_mode)) return OS_TYPE_SYMLINK; + else if(S_ISCHR(buf.st_mode)) return OS_TYPE_CHARDEV; + else if(S_ISBLK(buf.st_mode)) return OS_TYPE_BLOCKDEV; + else if(S_ISFIFO(buf.st_mode))return OS_TYPE_FIFO; + else if(S_ISSOCK(buf.st_mode))return OS_TYPE_SOCK; + else return OS_TYPE_FILE; } int access_file(char *path, int r, int w, int x) @@ -80,8 +84,9 @@ int access_file(char *path, int r, int w, int x) if(r) mode = R_OK; if(w) mode |= W_OK; if(x) mode |= X_OK; - if(access(path, mode) != 0) return(-errno); - else return(0); + if(access(path, mode) != 0) + return -errno; + else return 0; } int open_file(char *path, int r, int w, int append) @@ -99,8 +104,9 @@ int open_file(char *path, int r, int w, int append) if(append) mode |= O_APPEND; fd = open64(path, mode); - if(fd < 0) return(-errno); - else return(fd); + if(fd < 0) + return -errno; + else return fd; } void *open_dir(char *path, int *err_out) @@ -109,8 +115,9 @@ void *open_dir(char *path, int *err_out) dir = opendir(path); *err_out = errno; - if(dir == NULL) return(NULL); - return(dir); + if(dir == NULL) + return NULL; + return dir; } char *read_dir(void *stream, unsigned long long *pos, @@ -121,11 +128,12 @@ char *read_dir(void *stream, unsigned long long *pos, seekdir(dir, *pos); ent = readdir(dir); - if(ent == NULL) return(NULL); + if(ent == NULL) + return NULL; *len_out = strlen(ent->d_name); *ino_out = ent->d_ino; *pos = telldir(dir); - return(ent->d_name); + return ent->d_name; } int read_file(int fd, unsigned long long *offset, char *buf, int len) @@ -133,9 +141,10 @@ int read_file(int fd, unsigned long long *offset, char *buf, int len) int n; n = pread64(fd, buf, len, *offset); - if(n < 0) return(-errno); + if(n < 0) + return -errno; *offset += n; - return(n); + return n; } int write_file(int fd, unsigned long long *offset, const char *buf, int len) @@ -143,9 +152,10 @@ int write_file(int fd, unsigned long long *offset, const char *buf, int len) int n; n = pwrite64(fd, buf, len, *offset); - if(n < 0) return(-errno); + if(n < 0) + return -errno; *offset += n; - return(n); + return n; } int lseek_file(int fd, long long offset, int whence) @@ -154,8 +164,8 @@ int lseek_file(int fd, long long offset, int whence) ret = lseek64(fd, offset, whence); if(ret < 0) - return(-errno); - return(0); + return -errno; + return 0; } int fsync_file(int fd, int datasync) @@ -198,65 +208,90 @@ int file_create(char *name, int ur, int uw, int ux, int gr, mode |= ox ? S_IXOTH : 0; fd = open64(name, O_CREAT | O_RDWR, mode); if(fd < 0) - return(-errno); - return(fd); + return -errno; + return fd; } -int set_attr(const char *file, struct hostfs_iattr *attrs) +int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) { - struct utimbuf buf; + struct timeval times[2]; + struct timespec atime_ts, mtime_ts; int err, ma; - if(attrs->ia_valid & HOSTFS_ATTR_MODE){ - if(chmod(file, attrs->ia_mode) != 0) return(-errno); - } - if(attrs->ia_valid & HOSTFS_ATTR_UID){ - if(chown(file, attrs->ia_uid, -1)) return(-errno); + if (attrs->ia_valid & HOSTFS_ATTR_MODE) { + if (fd >= 0) { + if (fchmod(fd, attrs->ia_mode) != 0) + return (-errno); + } else if (chmod(file, attrs->ia_mode) != 0) { + return -errno; + } } - if(attrs->ia_valid & HOSTFS_ATTR_GID){ - if(chown(file, -1, attrs->ia_gid)) return(-errno); + if (attrs->ia_valid & HOSTFS_ATTR_UID) { + if (fd >= 0) { + if (fchown(fd, attrs->ia_uid, -1)) + return -errno; + } else if(chown(file, attrs->ia_uid, -1)) { + return -errno; + } } - if(attrs->ia_valid & HOSTFS_ATTR_SIZE){ - if(truncate(file, attrs->ia_size)) return(-errno); + if (attrs->ia_valid & HOSTFS_ATTR_GID) { + if (fd >= 0) { + if (fchown(fd, -1, attrs->ia_gid)) + return -errno; + } else if (chown(file, -1, attrs->ia_gid)) { + return -errno; + } } - ma = HOSTFS_ATTR_ATIME_SET | HOSTFS_ATTR_MTIME_SET; - if((attrs->ia_valid & ma) == ma){ - buf.actime = attrs->ia_atime.tv_sec; - buf.modtime = attrs->ia_mtime.tv_sec; - if(utime(file, &buf) != 0) return(-errno); + if (attrs->ia_valid & HOSTFS_ATTR_SIZE) { + if (fd >= 0) { + if (ftruncate(fd, attrs->ia_size)) + return -errno; + } else if (truncate(file, attrs->ia_size)) { + return -errno; + } } - else { - struct timespec ts; - - if(attrs->ia_valid & HOSTFS_ATTR_ATIME_SET){ - err = stat_file(file, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, &ts, NULL, NULL, NULL); - if(err != 0) - return(err); - buf.actime = attrs->ia_atime.tv_sec; - buf.modtime = ts.tv_sec; - if(utime(file, &buf) != 0) - return(-errno); + + /* Update accessed and/or modified time, in two parts: first set + * times according to the changes to perform, and then call futimes() + * or utimes() to apply them. */ + ma = (HOSTFS_ATTR_ATIME_SET | HOSTFS_ATTR_MTIME_SET); + if (attrs->ia_valid & ma) { + err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, + &atime_ts, &mtime_ts, NULL, NULL, NULL, fd); + if (err != 0) + return err; + + times[0].tv_sec = atime_ts.tv_sec; + times[0].tv_usec = atime_ts.tv_nsec * 1000; + times[1].tv_sec = mtime_ts.tv_sec; + times[1].tv_usec = mtime_ts.tv_nsec * 1000; + + if (attrs->ia_valid & HOSTFS_ATTR_ATIME_SET) { + times[0].tv_sec = attrs->ia_atime.tv_sec; + times[0].tv_usec = attrs->ia_atime.tv_nsec * 1000; + } + if (attrs->ia_valid & HOSTFS_ATTR_MTIME_SET) { + times[1].tv_sec = attrs->ia_mtime.tv_sec; + times[1].tv_usec = attrs->ia_mtime.tv_nsec * 1000; } - if(attrs->ia_valid & HOSTFS_ATTR_MTIME_SET){ - err = stat_file(file, NULL, NULL, NULL, NULL, NULL, - NULL, &ts, NULL, NULL, NULL, NULL); - if(err != 0) - return(err); - buf.actime = ts.tv_sec; - buf.modtime = attrs->ia_mtime.tv_sec; - if(utime(file, &buf) != 0) - return(-errno); + + if (fd >= 0) { + if (futimes(fd, times) != 0) + return -errno; + } else if (utimes(file, times) != 0) { + return -errno; } } + if(attrs->ia_valid & HOSTFS_ATTR_CTIME) ; if(attrs->ia_valid & (HOSTFS_ATTR_ATIME | HOSTFS_ATTR_MTIME)){ err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, &attrs->ia_atime, &attrs->ia_mtime, NULL, - NULL, NULL); - if(err != 0) return(err); + NULL, NULL, fd); + if(err != 0) + return err; } - return(0); + return 0; } int make_symlink(const char *from, const char *to) @@ -264,8 +299,9 @@ int make_symlink(const char *from, const char *to) int err; err = symlink(to, from); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int unlink_file(const char *file) @@ -273,8 +309,9 @@ int unlink_file(const char *file) int err; err = unlink(file); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_mkdir(const char *file, int mode) @@ -282,8 +319,9 @@ int do_mkdir(const char *file, int mode) int err; err = mkdir(file, mode); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_rmdir(const char *file) @@ -291,8 +329,9 @@ int do_rmdir(const char *file) int err; err = rmdir(file); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor) @@ -300,8 +339,9 @@ int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor) int err; err = mknod(file, mode, makedev(major, minor)); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int link_file(const char *to, const char *from) @@ -309,8 +349,9 @@ int link_file(const char *to, const char *from) int err; err = link(to, from); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_readlink(char *file, char *buf, int size) @@ -319,10 +360,10 @@ int do_readlink(char *file, char *buf, int size) n = readlink(file, buf, size); if(n < 0) - return(-errno); + return -errno; if(n < size) buf[n] = '\0'; - return(n); + return n; } int rename_file(char *from, char *to) @@ -330,8 +371,9 @@ int rename_file(char *from, char *to) int err; err = rename(from, to); - if(err < 0) return(-errno); - return(0); + if(err < 0) + return -errno; + return 0; } int do_statfs(char *root, long *bsize_out, long long *blocks_out, @@ -344,7 +386,9 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out, int err; err = statfs64(root, &buf); - if(err < 0) return(-errno); + if(err < 0) + return -errno; + *bsize_out = buf.f_bsize; *blocks_out = buf.f_blocks; *bfree_out = buf.f_bfree; @@ -360,16 +404,5 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out, spare_out[2] = buf.f_spare[2]; spare_out[3] = buf.f_spare[3]; spare_out[4] = buf.f_spare[4]; - return(0); + return 0; } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ @@ -250,7 +250,7 @@ void clear_inode(struct inode *inode) BUG_ON(inode->i_state & I_CLEAR); wait_on_inode(inode); DQUOT_DROP(inode); - if (inode->i_sb && inode->i_sb->s_op->clear_inode) + if (inode->i_sb->s_op->clear_inode) inode->i_sb->s_op->clear_inode(inode); if (S_ISBLK(inode->i_mode) && inode->i_bdev) bd_forget(inode); @@ -275,7 +275,7 @@ static void dispose_list(struct list_head *head) while (!list_empty(head)) { struct inode *inode; - inode = list_entry(head->next, struct inode, i_list); + inode = list_first_entry(head, struct inode, i_list); list_del(&inode->i_list); if (inode->i_data.nrpages) @@ -524,7 +524,12 @@ repeat: */ struct inode *new_inode(struct super_block *sb) { - static unsigned long last_ino; + /* + * On a 32bit, non LFS stat() call, glibc will generate an EOVERFLOW + * error if st_ino won't fit in target struct field. Use 32bit counter + * here to attempt to avoid that. + */ + static unsigned int last_ino; struct inode * inode; spin_lock_prefetch(&inode_lock); @@ -683,27 +688,28 @@ static unsigned long hash(struct super_block *sb, unsigned long hashval) */ ino_t iunique(struct super_block *sb, ino_t max_reserved) { - static ino_t counter; + /* + * On a 32bit, non LFS stat() call, glibc will generate an EOVERFLOW + * error if st_ino won't fit in target struct field. Use 32bit counter + * here to attempt to avoid that. + */ + static unsigned int counter; struct inode *inode; - struct hlist_head * head; + struct hlist_head *head; ino_t res; + spin_lock(&inode_lock); -retry: - if (counter > max_reserved) { - head = inode_hashtable + hash(sb,counter); + do { + if (counter <= max_reserved) + counter = max_reserved + 1; res = counter++; + head = inode_hashtable + hash(sb, res); inode = find_inode_fast(sb, head, res); - if (!inode) { - spin_unlock(&inode_lock); - return res; - } - } else { - counter = max_reserved + 1; - } - goto retry; - -} + } while (inode != NULL); + spin_unlock(&inode_lock); + return res; +} EXPORT_SYMBOL(iunique); struct inode *igrab(struct inode *inode) @@ -1040,7 +1046,7 @@ static void generic_forget_inode(struct inode *inode) if (!(inode->i_state & (I_DIRTY|I_LOCK))) list_move(&inode->i_list, &inode_unused); inodes_stat.nr_unused++; - if (!sb || (sb->s_flags & MS_ACTIVE)) { + if (sb->s_flags & MS_ACTIVE) { spin_unlock(&inode_lock); return; } diff --git a/fs/inotify.c b/fs/inotify.c index f5099d8..7457501 100644 --- a/fs/inotify.c +++ b/fs/inotify.c @@ -509,7 +509,7 @@ void inotify_destroy(struct inotify_handle *ih) mutex_unlock(&ih->mutex); break; } - watch = list_entry(watches->next, struct inotify_watch, h_list); + watch = list_first_entry(watches, struct inotify_watch, h_list); get_inotify_watch(watch); mutex_unlock(&ih->mutex); diff --git a/fs/internal.h b/fs/internal.h index ea00126..392e8cc 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -9,8 +9,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/ioctl32.h> - struct super_block; /* @@ -42,14 +40,6 @@ static inline int sb_is_blkdev_sb(struct super_block *sb) extern void __init chrdev_init(void); /* - * compat_ioctl.c - */ -#ifdef CONFIG_COMPAT -extern struct ioctl_trans ioctl_start[]; -extern int ioctl_table_size; -#endif - -/* * namespace.c */ extern int copy_mount_options(const void __user *, unsigned long *); @@ -67,8 +67,6 @@ static int file_ioctl(struct file *filp, unsigned int cmd, return put_user(res, p); } case FIGETBSZ: - if (inode->i_sb == NULL) - return -EBADF; return put_user(inode->i_sb->s_blocksize, p); case FIONREAD: return put_user(i_size_read(inode) - filp->f_pos, p); diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c index be4648b..1facfaf 100644 --- a/fs/jbd/commit.c +++ b/fs/jbd/commit.c @@ -20,7 +20,6 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> /* * Default IO end handler for temporary BJ_IO buffer_heads. diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index 10fff94..46fe743 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -28,7 +28,6 @@ #include <linux/jbd.h> #include <linux/errno.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/freezer.h> @@ -211,10 +210,16 @@ end_loop: return 0; } -static void journal_start_thread(journal_t *journal) +static int journal_start_thread(journal_t *journal) { - kthread_run(kjournald, journal, "kjournald"); + struct task_struct *t; + + t = kthread_run(kjournald, journal, "kjournald"); + if (IS_ERR(t)) + return PTR_ERR(t); + wait_event(journal->j_wait_done_commit, journal->j_task != 0); + return 0; } static void journal_kill_thread(journal_t *journal) @@ -840,8 +845,7 @@ static int journal_reset(journal_t *journal) /* Add the dynamic fields and write it to disk. */ journal_update_superblock(journal, 1); - journal_start_thread(journal); - return 0; + return journal_start_thread(journal); } /** diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c index d204ab3..a68cbb6 100644 --- a/fs/jbd/revoke.c +++ b/fs/jbd/revoke.c @@ -66,7 +66,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/list.h> -#include <linux/smp_lock.h> #include <linux/init.h> #endif diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index cceaf57..f9822fc 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -23,7 +23,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/timer.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/highmem.h> diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 6bd8005..2856e110 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -20,7 +20,6 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> /* * Default IO end handler for temporary BJ_IO buffer_heads. diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 44fc32b..78d63b8 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -28,7 +28,6 @@ #include <linux/jbd2.h> #include <linux/errno.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/freezer.h> @@ -211,10 +210,16 @@ end_loop: return 0; } -static void jbd2_journal_start_thread(journal_t *journal) +static int jbd2_journal_start_thread(journal_t *journal) { - kthread_run(kjournald2, journal, "kjournald2"); + struct task_struct *t; + + t = kthread_run(kjournald2, journal, "kjournald2"); + if (IS_ERR(t)) + return PTR_ERR(t); + wait_event(journal->j_wait_done_commit, journal->j_task != 0); + return 0; } static void journal_kill_thread(journal_t *journal) @@ -840,8 +845,7 @@ static int journal_reset(journal_t *journal) /* Add the dynamic fields and write it to disk. */ jbd2_journal_update_superblock(journal, 1); - jbd2_journal_start_thread(journal); - return 0; + return jbd2_journal_start_thread(journal); } /** diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c index f506646..1e864dc 100644 --- a/fs/jbd2/revoke.c +++ b/fs/jbd2/revoke.c @@ -66,7 +66,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/list.h> -#include <linux/smp_lock.h> #include <linux/init.h> #endif diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 3a87001..e347d8c0 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -23,7 +23,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/timer.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/highmem.h> diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index e285022..3467dde 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -55,7 +55,6 @@ void jfs_read_inode(struct inode *inode) inode->i_op = &jfs_file_inode_operations; init_special_inode(inode, inode->i_mode, inode->i_rdev); } - jfs_set_inode_flags(inode); } /* diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c index ed814b1..fe063af 100644 --- a/fs/jfs/ioctl.c +++ b/fs/jfs/ioctl.c @@ -59,6 +59,7 @@ int jfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd, switch (cmd) { case JFS_IOC_GETFLAGS: + jfs_get_inode_flags(jfs_inode); flags = jfs_inode->mode2 & JFS_FL_USER_VISIBLE; flags = jfs_map_ext2(flags, 0); return put_user(flags, (int __user *) arg); @@ -78,6 +79,7 @@ int jfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd, if (!S_ISDIR(inode->i_mode)) flags &= ~JFS_DIRSYNC_FL; + jfs_get_inode_flags(jfs_inode); oldflags = jfs_inode->mode2; /* diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index aa5124b..c465607 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -3078,6 +3078,7 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip) jfs_ip->fileset = le32_to_cpu(dip->di_fileset); jfs_ip->mode2 = le32_to_cpu(dip->di_mode); + jfs_set_inode_flags(ip); ip->i_mode = le32_to_cpu(dip->di_mode) & 0xffff; if (sbi->umask != -1) { @@ -3174,6 +3175,7 @@ static void copy_to_dinode(struct dinode * dip, struct inode *ip) dip->di_gid = cpu_to_le32(ip->i_gid); else dip->di_gid = cpu_to_le32(jfs_ip->saved_gid); + jfs_get_inode_flags(jfs_ip); /* * mode2 is only needed for storing the higher order bits. * Trust i_mode for the lower order ones diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c index 4c67ed9..ed6574b 100644 --- a/fs/jfs/jfs_inode.c +++ b/fs/jfs/jfs_inode.c @@ -45,6 +45,24 @@ void jfs_set_inode_flags(struct inode *inode) inode->i_flags |= S_SYNC; } +void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip) +{ + unsigned int flags = jfs_ip->vfs_inode.i_flags; + + jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_APPEND_FL | JFS_NOATIME_FL | + JFS_DIRSYNC_FL | JFS_SYNC_FL); + if (flags & S_IMMUTABLE) + jfs_ip->mode2 |= JFS_IMMUTABLE_FL; + if (flags & S_APPEND) + jfs_ip->mode2 |= JFS_APPEND_FL; + if (flags & S_NOATIME) + jfs_ip->mode2 |= JFS_NOATIME_FL; + if (flags & S_DIRSYNC) + jfs_ip->mode2 |= JFS_DIRSYNC_FL; + if (flags & S_SYNC) + jfs_ip->mode2 |= JFS_SYNC_FL; +} + /* * NAME: ialloc() * diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h index 6802837..2374b59 100644 --- a/fs/jfs/jfs_inode.h +++ b/fs/jfs/jfs_inode.h @@ -31,6 +31,7 @@ extern void jfs_truncate(struct inode *); extern void jfs_truncate_nolock(struct inode *, loff_t); extern void jfs_free_zero_link(struct inode *); extern struct dentry *jfs_get_parent(struct dentry *dentry); +extern void jfs_get_inode_flags(struct jfs_inode_info *); extern void jfs_set_inode_flags(struct inode *); extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int); diff --git a/fs/jfs/jfs_lock.h b/fs/jfs/jfs_lock.h index df48ece..ecf0488 100644 --- a/fs/jfs/jfs_lock.h +++ b/fs/jfs/jfs_lock.h @@ -45,7 +45,7 @@ do { \ io_schedule(); \ lock_cmd; \ } \ - current->state = TASK_RUNNING; \ + __set_current_state(TASK_RUNNING); \ remove_wait_queue(&wq, &__wait); \ } while (0) diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 5065baa..6a3f00d 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -62,7 +62,6 @@ #include <linux/fs.h> #include <linux/blkdev.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/completion.h> #include <linux/kthread.h> #include <linux/buffer_head.h> /* for sync_blockdev() */ @@ -1590,7 +1589,7 @@ void jfs_flush_journal(struct jfs_log *log, int wait) set_current_state(TASK_UNINTERRUPTIBLE); LOGGC_UNLOCK(log); schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); LOGGC_LOCK(log); remove_wait_queue(&target->gcwait, &__wait); } @@ -2354,14 +2353,15 @@ int jfsIOWait(void *arg) lbmStartIO(bp); spin_lock_irq(&log_redrive_lock); } - spin_unlock_irq(&log_redrive_lock); if (freezing(current)) { + spin_unlock_irq(&log_redrive_lock); refrigerator(); } else { set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irq(&log_redrive_lock); schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); } } while (!kthread_should_stop()); diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c index 03893ac..25430d0 100644 --- a/fs/jfs/jfs_txnmgr.c +++ b/fs/jfs/jfs_txnmgr.c @@ -44,7 +44,6 @@ #include <linux/fs.h> #include <linux/vmalloc.h> -#include <linux/smp_lock.h> #include <linux/completion.h> #include <linux/freezer.h> #include <linux/module.h> @@ -136,7 +135,7 @@ static inline void TXN_SLEEP_DROP_LOCK(wait_queue_head_t * event) set_current_state(TASK_UNINTERRUPTIBLE); TXN_UNLOCK(); io_schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(event, &wait); } @@ -2798,7 +2797,7 @@ int jfs_lazycommit(void *arg) set_current_state(TASK_INTERRUPTIBLE); LAZY_UNLOCK(flags); schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&jfs_commit_thread_wait, &wq); } } while (!kthread_should_stop()); @@ -2990,7 +2989,7 @@ int jfs_sync(void *arg) set_current_state(TASK_INTERRUPTIBLE); TXN_UNLOCK(); schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); } } while (!kthread_should_stop()); @@ -220,6 +220,12 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name, root = new_inode(s); if (!root) goto Enomem; + /* + * since this is the first inode, make it number 1. New inodes created + * after this must take care not to collide with it (by passing + * max_reserved of 1 to iunique). + */ + root->i_ino = 1; root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR; root->i_uid = root->i_gid = 0; root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME; @@ -360,6 +366,11 @@ int simple_commit_write(struct file *file, struct page *page, return 0; } +/* + * the inodes created here are not hashed. If you use iunique to generate + * unique inode values later for this filesystem, then you must take care + * to pass it an appropriate max_reserved value to avoid collisions. + */ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files) { struct inode *inode; @@ -376,6 +387,11 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files inode = new_inode(s); if (!inode) return -ENOMEM; + /* + * because the root inode is 1, the files array must not contain an + * entry at index 1 + */ + inode->i_ino = 1; inode->i_mode = S_IFDIR | 0755; inode->i_uid = inode->i_gid = 0; inode->i_blocks = 0; @@ -391,6 +407,13 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files for (i = 0; !files->name || files->name[0]; i++, files++) { if (!files->name) continue; + + /* warn if it tries to conflict with the root inode */ + if (unlikely(i == 1)) + printk(KERN_WARNING "%s: %s passed in a files array" + "with an index of 1!\n", __func__, + s->s_type->name); + dentry = d_alloc_name(root, files->name); if (!dentry) goto out; diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index a5c019e..a10343b 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -12,7 +12,6 @@ #include <linux/fs.h> #include <linux/nfs_fs.h> #include <linux/utsname.h> -#include <linux/smp_lock.h> #include <linux/freezer.h> #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/svc.h> @@ -663,12 +663,7 @@ confused: /* * The caller has a ref on the inode, so *mapping is stable */ - if (*ret) { - if (*ret == -ENOSPC) - set_bit(AS_ENOSPC, &mapping->flags); - else - set_bit(AS_EIO, &mapping->flags); - } + mapping_set_error(mapping, *ret); out: return bio; } @@ -776,14 +771,7 @@ retry: if (writepage) { ret = (*writepage)(page, wbc); - if (ret) { - if (ret == -ENOSPC) - set_bit(AS_ENOSPC, - &mapping->flags); - else - set_bit(AS_EIO, - &mapping->flags); - } + mapping_set_error(mapping, ret); } else { bio = __mpage_writepage(bio, page, get_block, &last_block_in_bio, &ret, wbc, @@ -22,7 +22,6 @@ #include <linux/quotaops.h> #include <linux/pagemap.h> #include <linux/fsnotify.h> -#include <linux/smp_lock.h> #include <linux/personality.h> #include <linux/security.h> #include <linux/syscalls.h> @@ -1350,17 +1349,6 @@ struct dentry *lookup_one_len_kern(const char *name, struct dentry *base, int le return __lookup_hash_kern(&this, base, NULL); } -/* - * namei() - * - * is used by most simple commands to get the inode of a specified name. - * Open, link etc use their own routines, but this is enough for things - * like 'chmod' etc. - * - * namei exists in two versions: namei/lnamei. The only difference is - * that namei follows links, while lnamei does not. - * SMP-safe - */ int fastcall __user_walk_fd(int dfd, const char __user *name, unsigned flags, struct nameidata *nd) { diff --git a/fs/namespace.c b/fs/namespace.c index fd999ca..b696e3a 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -377,6 +377,10 @@ static int show_vfsmnt(struct seq_file *m, void *v) seq_path(m, mnt, mnt->mnt_root, " \t\n\\"); seq_putc(m, ' '); mangle(m, mnt->mnt_sb->s_type->name); + if (mnt->mnt_sb->s_subtype && mnt->mnt_sb->s_subtype[0]) { + seq_putc(m, '.'); + mangle(m, mnt->mnt_sb->s_subtype); + } seq_puts(m, mnt->mnt_sb->s_flags & MS_RDONLY ? " ro" : " rw"); for (fs_infop = fs_info; fs_infop->flag; fs_infop++) { if (mnt->mnt_sb->s_flags & fs_infop->flag) @@ -495,7 +499,7 @@ void release_mounts(struct list_head *head) { struct vfsmount *mnt; while (!list_empty(head)) { - mnt = list_entry(head->next, struct vfsmount, mnt_hash); + mnt = list_first_entry(head, struct vfsmount, mnt_hash); list_del_init(&mnt->mnt_hash); if (mnt->mnt_parent != mnt) { struct dentry *dentry; @@ -882,6 +886,9 @@ static int do_change_type(struct nameidata *nd, int flag) int recurse = flag & MS_REC; int type = flag & ~MS_REC; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (nd->dentry != nd->mnt->mnt_root) return -EINVAL; @@ -1173,7 +1180,7 @@ static void expire_mount_list(struct list_head *graveyard, struct list_head *mou while (!list_empty(graveyard)) { LIST_HEAD(umounts); - mnt = list_entry(graveyard->next, struct vfsmount, mnt_expire); + mnt = list_first_entry(graveyard, struct vfsmount, mnt_expire); list_del_init(&mnt->mnt_expire); /* don't do anything if the namespace is dead - all the @@ -1441,10 +1448,9 @@ dput_out: * Allocate a new namespace structure and populate it with contents * copied from the namespace of the passed in task structure. */ -struct mnt_namespace *dup_mnt_ns(struct task_struct *tsk, +static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns, struct fs_struct *fs) { - struct mnt_namespace *mnt_ns = tsk->nsproxy->mnt_ns; struct mnt_namespace *new_ns; struct vfsmount *rootmnt = NULL, *pwdmnt = NULL, *altrootmnt = NULL; struct vfsmount *p, *q; @@ -1509,36 +1515,21 @@ struct mnt_namespace *dup_mnt_ns(struct task_struct *tsk, return new_ns; } -int copy_mnt_ns(int flags, struct task_struct *tsk) +struct mnt_namespace *copy_mnt_ns(int flags, struct mnt_namespace *ns, + struct fs_struct *new_fs) { - struct mnt_namespace *ns = tsk->nsproxy->mnt_ns; struct mnt_namespace *new_ns; - int err = 0; - - if (!ns) - return 0; + BUG_ON(!ns); get_mnt_ns(ns); if (!(flags & CLONE_NEWNS)) - return 0; + return ns; - if (!capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto out; - } - - new_ns = dup_mnt_ns(tsk, tsk->fs); - if (!new_ns) { - err = -ENOMEM; - goto out; - } + new_ns = dup_mnt_ns(ns, new_fs); - tsk->nsproxy->mnt_ns = new_ns; - -out: put_mnt_ns(ns); - return err; + return new_ns; } asmlinkage long sys_mount(char __user * dev_name, char __user * dir_name, diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c index 6b1f6d2..addfd31 100644 --- a/fs/ncpfs/file.c +++ b/fs/ncpfs/file.c @@ -17,7 +17,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/vmalloc.h> -#include <linux/smp_lock.h> #include <linux/ncp_fs.h> #include "ncplib_kernel.h" diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 5bd03b9..50c6821 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -27,7 +27,6 @@ #include <linux/nfs_mount.h> #include <linux/nfs4_mount.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/mount.h> #include <linux/nfs_idmap.h> diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 889de60..345aa5c 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -41,7 +41,6 @@ #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/file.h> #include <linux/pagemap.h> #include <linux/kref.h> diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c index 6ef268f..2347785 100644 --- a/fs/nfs/getroot.c +++ b/fs/nfs/getroot.c @@ -25,7 +25,6 @@ #include <linux/nfs_mount.h> #include <linux/nfs4_mount.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/mount.h> #include <linux/nfs_idmap.h> diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 7d0371e..45268d6 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -16,7 +16,6 @@ #include <linux/nfs_fs.h> #include <linux/nfs_page.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include <linux/nfs_mount.h> #include "iostat.h" diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c index f5f4430..0505ca1 100644 --- a/fs/nfs/nfs4renewd.c +++ b/fs/nfs/nfs4renewd.c @@ -43,7 +43,6 @@ * child task framework of the RPC layer? */ -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/pagemap.h> #include <linux/sunrpc/sched.h> diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index 1dcf56d..7be0ee2 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -43,7 +43,6 @@ #include <linux/nfs_fs.h> #include <linux/nfs_page.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include "internal.h" #define NFSDBG_FACILITY NFSDBG_PROC diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c index bc28213..83e865a 100644 --- a/fs/nfs/symlink.c +++ b/fs/nfs/symlink.c @@ -22,7 +22,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/namei.h> /* Symlink caching in the page cache is even more simplistic diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 5d44b8b..de92b95 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -21,7 +21,6 @@ #include <linux/backing-dev.h> #include <asm/uaccess.h> -#include <linux/smp_lock.h> #include "delegation.h" #include "internal.h" @@ -225,7 +224,7 @@ static int nfs_set_page_writeback(struct page *page) struct inode *inode = page->mapping->host; struct nfs_server *nfss = NFS_SERVER(inode); - if (atomic_inc_return(&nfss->writeback) > + if (atomic_long_inc_return(&nfss->writeback) > NFS_CONGESTION_ON_THRESH) set_bdi_congested(&nfss->backing_dev_info, WRITE); } @@ -238,7 +237,7 @@ static void nfs_end_page_writeback(struct page *page) struct nfs_server *nfss = NFS_SERVER(inode); end_page_writeback(page); - if (atomic_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) { + if (atomic_long_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) { clear_bdi_congested(&nfss->backing_dev_info, WRITE); congestion_end(WRITE); } diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index e4a83d7..45aa21c 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -46,7 +46,6 @@ #include <linux/nfs4.h> #include <linux/nfs_fs.h> #include <linux/nfs_page.h> -#include <linux/smp_lock.h> #include <linux/sunrpc/cache.h> #include <linux/nfsd_idmap.h> #include <linux/list.h> diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 5d090f1..15809df 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -44,7 +44,6 @@ #include <linux/param.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/namei.h> #include <linux/vfs.h> diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index 8d995bc..739dd3c 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -10,7 +10,6 @@ */ #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/unistd.h> #include <linux/string.h> diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c index 74f99a6..34314b3 100644 --- a/fs/ntfs/dir.c +++ b/fs/ntfs/dir.c @@ -20,7 +20,6 @@ * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include "dir.h" diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index dbbac55..621de36 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -2129,28 +2129,13 @@ static ssize_t ntfs_file_aio_write_nolock(struct kiocb *iocb, struct address_space *mapping = file->f_mapping; struct inode *inode = mapping->host; loff_t pos; - unsigned long seg; size_t count; /* after file limit checks */ ssize_t written, err; count = 0; - for (seg = 0; seg < nr_segs; seg++) { - const struct iovec *iv = &iov[seg]; - /* - * If any segment has a negative length, or the cumulative - * length ever wraps negative then return -EINVAL. - */ - count += iv->iov_len; - if (unlikely((ssize_t)(count|iv->iov_len) < 0)) - return -EINVAL; - if (access_ok(VERIFY_READ, iv->iov_base, iv->iov_len)) - continue; - if (!seg) - return -EFAULT; - nr_segs = seg; - count -= iv->iov_len; /* This segment is no good */ - break; - } + err = generic_segment_checks(iov, &nr_segs, &count, VERIFY_READ); + if (err) + return err; pos = *ppos; vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE); /* We can write back this queue in page reclaim. */ diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index f8bf8da..074791c 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -27,7 +27,6 @@ #include <linux/pagemap.h> #include <linux/quotaops.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include "aops.h" #include "attrib.h" diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c index d4e46d0..5671cf9 100644 --- a/fs/ocfs2/dlm/dlmfs.c +++ b/fs/ocfs2/dlm/dlmfs.c @@ -42,7 +42,6 @@ #include <linux/highmem.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <asm/uaccess.h> diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 024777a..d1bd305 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -27,7 +27,6 @@ #include <linux/slab.h> #include <linux/highmem.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/crc32.h> #include <linux/kthread.h> #include <linux/pagemap.h> diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index bc844bf..c53a676 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -28,7 +28,6 @@ #include <linux/slab.h> #include <linux/highmem.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <asm/byteorder.h> diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index d921a28..d8b7906 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -26,7 +26,6 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/highmem.h> -#include <linux/smp_lock.h> #define MLOG_MASK_PREFIX ML_SUPER #include <cluster/masklog.h> diff --git a/fs/ocfs2/vote.c b/fs/ocfs2/vote.c index 4f82a2f..66a13ee 100644 --- a/fs/ocfs2/vote.c +++ b/fs/ocfs2/vote.c @@ -26,7 +26,6 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/highmem.h> -#include <linux/smp_lock.h> #include <linux/kthread.h> #include <cluster/heartbeat.h> @@ -7,7 +7,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/quotaops.h> #include <linux/fsnotify.h> #include <linux/module.h> diff --git a/fs/partitions/Kconfig b/fs/partitions/Kconfig index 6e8bb66..0120704 100644 --- a/fs/partitions/Kconfig +++ b/fs/partitions/Kconfig @@ -236,3 +236,12 @@ config EFI_PARTITION help Say Y here if you would like to use hard disks under Linux which were partitioned using EFI GPT. + +config SYSV68_PARTITION + bool "SYSV68 partition table support" if PARTITION_ADVANCED + default y if M68K + help + Say Y here if you would like to be able to read the hard disk + partition table format used by Motorola Delta machines (using + sysv68). + Otherwise, say N. diff --git a/fs/partitions/Makefile b/fs/partitions/Makefile index 67e665f..03af8ea 100644 --- a/fs/partitions/Makefile +++ b/fs/partitions/Makefile @@ -17,3 +17,4 @@ obj-$(CONFIG_ULTRIX_PARTITION) += ultrix.o obj-$(CONFIG_IBM_PARTITION) += ibm.o obj-$(CONFIG_EFI_PARTITION) += efi.o obj-$(CONFIG_KARMA_PARTITION) += karma.o +obj-$(CONFIG_SYSV68_PARTITION) += sysv68.o diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 6b9dae3..9a3a058 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -34,6 +34,7 @@ #include "ultrix.h" #include "efi.h" #include "karma.h" +#include "sysv68.h" #ifdef CONFIG_BLK_DEV_MD extern void md_autodetect_dev(dev_t dev); @@ -105,6 +106,9 @@ static int (*check_part[])(struct parsed_partitions *, struct block_device *) = #ifdef CONFIG_KARMA_PARTITION karma_partition, #endif +#ifdef CONFIG_SYSV68_PARTITION + sysv68_partition, +#endif NULL }; diff --git a/fs/partitions/sysv68.c b/fs/partitions/sysv68.c new file mode 100644 index 0000000..4eba27b --- /dev/null +++ b/fs/partitions/sysv68.c @@ -0,0 +1,92 @@ +/* + * fs/partitions/sysv68.c + * + * Copyright (C) 2007 Philippe De Muyter <phdm@macqel.be> + */ + +#include "check.h" +#include "sysv68.h" + +/* + * Volume ID structure: on first 256-bytes sector of disk + */ + +struct volumeid { + u8 vid_unused[248]; + u8 vid_mac[8]; /* ASCII string "MOTOROLA" */ +}; + +/* + * config block: second 256-bytes sector on disk + */ + +struct dkconfig { + u8 ios_unused0[128]; + __be32 ios_slcblk; /* Slice table block number */ + __be16 ios_slccnt; /* Number of entries in slice table */ + u8 ios_unused1[122]; +}; + +/* + * combined volumeid and dkconfig block + */ + +struct dkblk0 { + struct volumeid dk_vid; + struct dkconfig dk_ios; +}; + +/* + * Slice Table Structure + */ + +struct slice { + __be32 nblocks; /* slice size (in blocks) */ + __be32 blkoff; /* block offset of slice */ +}; + + +int sysv68_partition(struct parsed_partitions *state, struct block_device *bdev) +{ + int i, slices; + int slot = 1; + Sector sect; + unsigned char *data; + struct dkblk0 *b; + struct slice *slice; + + data = read_dev_sector(bdev, 0, §); + if (!data) + return -1; + + b = (struct dkblk0 *)data; + if (memcmp(b->dk_vid.vid_mac, "MOTOROLA", sizeof(b->dk_vid.vid_mac))) { + put_dev_sector(sect); + return 0; + } + slices = be16_to_cpu(b->dk_ios.ios_slccnt); + i = be32_to_cpu(b->dk_ios.ios_slcblk); + put_dev_sector(sect); + + data = read_dev_sector(bdev, i, §); + if (!data) + return -1; + + slices -= 1; /* last slice is the whole disk */ + printk("sysV68: %s(s%u)", state->name, slices); + slice = (struct slice *)data; + for (i = 0; i < slices; i++, slice++) { + if (slot == state->limit) + break; + if (be32_to_cpu(slice->nblocks)) { + put_partition(state, slot, + be32_to_cpu(slice->blkoff), + be32_to_cpu(slice->nblocks)); + printk("(s%u)", i); + } + slot++; + } + printk("\n"); + put_dev_sector(sect); + return 1; +} diff --git a/fs/partitions/sysv68.h b/fs/partitions/sysv68.h new file mode 100644 index 0000000..fa733f6 --- /dev/null +++ b/fs/partitions/sysv68.h @@ -0,0 +1 @@ +extern int sysv68_partition(struct parsed_partitions *state, struct block_device *bdev); @@ -841,8 +841,18 @@ static int pipefs_delete_dentry(struct dentry *dentry) return 0; } +/* + * pipefs_dname() is called from d_path(). + */ +static char *pipefs_dname(struct dentry *dentry, char *buffer, int buflen) +{ + return dynamic_dname(dentry, buffer, buflen, "pipe:[%lu]", + dentry->d_inode->i_ino); +} + static struct dentry_operations pipefs_dentry_operations = { .d_delete = pipefs_delete_dentry, + .d_dname = pipefs_dname, }; static struct inode * get_pipe_inode(void) @@ -888,8 +898,7 @@ struct file *create_write_pipe(void) struct inode *inode; struct file *f; struct dentry *dentry; - char name[32]; - struct qstr this; + struct qstr name = { .name = "" }; f = get_empty_filp(); if (!f) @@ -899,11 +908,8 @@ struct file *create_write_pipe(void) if (!inode) goto err_file; - this.len = sprintf(name, "[%lu]", inode->i_ino); - this.name = name; - this.hash = 0; err = -ENOMEM; - dentry = d_alloc(pipe_mnt->mnt_sb->s_root, &this); + dentry = d_alloc(pipe_mnt->mnt_sb->s_root, &name); if (!dentry) goto err_inode; @@ -59,7 +59,7 @@ static int do_make_slave(struct vfsmount *mnt) } else { struct list_head *p = &mnt->mnt_slave_list; while (!list_empty(p)) { - slave_mnt = list_entry(p->next, + slave_mnt = list_first_entry(p, struct vfsmount, mnt_slave); list_del_init(&slave_mnt->mnt_slave); slave_mnt->mnt_master = NULL; diff --git a/fs/proc/array.c b/fs/proc/array.c index 07c9cdb..74f30e0 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -410,9 +410,9 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) /* convert nsec -> ticks */ start_time = nsec_to_clock_t(start_time); - res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %lu %lu \ + res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %u %lu \ %lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \ -%lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %lu %llu\n", +%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu\n", task->pid, tcomm, state, diff --git a/fs/proc/base.c b/fs/proc/base.c index ec158dd..3c41149 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -61,9 +61,9 @@ #include <linux/namei.h> #include <linux/mnt_namespace.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/rcupdate.h> #include <linux/kallsyms.h> +#include <linux/module.h> #include <linux/mount.h> #include <linux/security.h> #include <linux/ptrace.h> @@ -90,8 +90,8 @@ #define PROC_NUMBUF 13 struct pid_entry { - int len; char *name; + int len; mode_t mode; const struct inode_operations *iop; const struct file_operations *fop; @@ -99,8 +99,8 @@ struct pid_entry { }; #define NOD(NAME, MODE, IOP, FOP, OP) { \ - .len = sizeof(NAME) - 1, \ .name = (NAME), \ + .len = sizeof(NAME) - 1, \ .mode = MODE, \ .iop = IOP, \ .fop = FOP, \ @@ -123,6 +123,9 @@ struct pid_entry { NULL, &proc_info_file_operations, \ { .proc_read = &proc_##OTYPE } ) +int maps_protect; +EXPORT_SYMBOL(maps_protect); + static struct fs_struct *get_fs_struct(struct task_struct *task) { struct fs_struct *fs; @@ -275,17 +278,15 @@ static int proc_pid_auxv(struct task_struct *task, char *buffer) */ static int proc_pid_wchan(struct task_struct *task, char *buffer) { - char *modname; - const char *sym_name; - unsigned long wchan, size, offset; - char namebuf[KSYM_NAME_LEN+1]; + unsigned long wchan; + char symname[KSYM_NAME_LEN+1]; wchan = get_wchan(task); - sym_name = kallsyms_lookup(wchan, &size, &offset, &modname, namebuf); - if (sym_name) - return sprintf(buffer, "%s", sym_name); - return sprintf(buffer, "%lu", wchan); + if (lookup_symbol_name(wchan, symname) < 0) + return sprintf(buffer, "%lu", wchan); + else + return sprintf(buffer, "%s", symname); } #endif /* CONFIG_KALLSYMS */ @@ -310,7 +311,9 @@ static int proc_oom_score(struct task_struct *task, char *buffer) struct timespec uptime; do_posix_clock_monotonic_gettime(&uptime); + read_lock(&tasklist_lock); points = badness(task, uptime.tv_sec); + read_unlock(&tasklist_lock); return sprintf(buffer, "%lu\n", points); } @@ -344,11 +347,8 @@ static int proc_setattr(struct dentry *dentry, struct iattr *attr) return -EPERM; error = inode_change_ok(inode, attr); - if (!error) { - error = security_inode_setattr(dentry, attr); - if (!error) - error = inode_setattr(inode, attr); - } + if (!error) + error = inode_setattr(inode, attr); return error; } @@ -660,7 +660,6 @@ static ssize_t oom_adjust_read(struct file *file, char __user *buf, char buffer[PROC_NUMBUF]; size_t len; int oom_adjust; - loff_t __ppos = *ppos; if (!task) return -ESRCH; @@ -668,14 +667,8 @@ static ssize_t oom_adjust_read(struct file *file, char __user *buf, put_task_struct(task); len = snprintf(buffer, sizeof(buffer), "%i\n", oom_adjust); - if (__ppos >= len) - return 0; - if (count > len-__ppos) - count = len-__ppos; - if (copy_to_user(buf, buffer + __ppos, count)) - return -EFAULT; - *ppos = __ppos + count; - return count; + + return simple_read_from_buffer(buf, count, ppos, buffer, len); } static ssize_t oom_adjust_write(struct file *file, const char __user *buf, @@ -823,7 +816,6 @@ static ssize_t seccomp_read(struct file *file, char __user *buf, { struct task_struct *tsk = get_proc_task(file->f_dentry->d_inode); char __buf[20]; - loff_t __ppos = *ppos; size_t len; if (!tsk) @@ -831,14 +823,8 @@ static ssize_t seccomp_read(struct file *file, char __user *buf, /* no need to print the trailing zero, so use only len */ len = sprintf(__buf, "%u\n", tsk->seccomp.mode); put_task_struct(tsk); - if (__ppos >= len) - return 0; - if (count > len - __ppos) - count = len - __ppos; - if (copy_to_user(buf, __buf + __ppos, count)) - return -EFAULT; - *ppos = __ppos + count; - return count; + + return simple_read_from_buffer(buf, count, ppos, __buf, len); } static ssize_t seccomp_write(struct file *file, const char __user *buf, @@ -897,7 +883,6 @@ static ssize_t proc_fault_inject_read(struct file * file, char __user * buf, char buffer[PROC_NUMBUF]; size_t len; int make_it_fail; - loff_t __ppos = *ppos; if (!task) return -ESRCH; @@ -905,14 +890,8 @@ static ssize_t proc_fault_inject_read(struct file * file, char __user * buf, put_task_struct(task); len = snprintf(buffer, sizeof(buffer), "%i\n", make_it_fail); - if (__ppos >= len) - return 0; - if (count > len-__ppos) - count = len-__ppos; - if (copy_to_user(buf, buffer + __ppos, count)) - return -EFAULT; - *ppos = __ppos + count; - return count; + + return simple_read_from_buffer(buf, count, ppos, buffer, len); } static ssize_t proc_fault_inject_write(struct file * file, @@ -975,7 +954,7 @@ static int do_proc_readlink(struct dentry *dentry, struct vfsmount *mnt, if (!tmp) return -ENOMEM; - + inode = dentry->d_inode; path = d_path(dentry, mnt, tmp, PAGE_SIZE); len = PTR_ERR(path); @@ -1155,7 +1134,8 @@ static struct dentry_operations pid_dentry_operations = /* Lookups */ -typedef struct dentry *instantiate_t(struct inode *, struct dentry *, struct task_struct *, void *); +typedef struct dentry *instantiate_t(struct inode *, struct dentry *, + struct task_struct *, const void *); /* * Fill a directory entry. @@ -1171,7 +1151,7 @@ typedef struct dentry *instantiate_t(struct inode *, struct dentry *, struct tas */ static int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir, char *name, int len, - instantiate_t instantiate, struct task_struct *task, void *ptr) + instantiate_t instantiate, struct task_struct *task, const void *ptr) { struct dentry *child, *dir = filp->f_path.dentry; struct inode *inode; @@ -1233,7 +1213,10 @@ out: return ~0U; } -static int proc_fd_link(struct inode *inode, struct dentry **dentry, struct vfsmount **mnt) +#define PROC_FDINFO_MAX 64 + +static int proc_fd_info(struct inode *inode, struct dentry **dentry, + struct vfsmount **mnt, char *info) { struct task_struct *task = get_proc_task(inode); struct files_struct *files = NULL; @@ -1252,8 +1235,16 @@ static int proc_fd_link(struct inode *inode, struct dentry **dentry, struct vfsm spin_lock(&files->file_lock); file = fcheck_files(files, fd); if (file) { - *mnt = mntget(file->f_path.mnt); - *dentry = dget(file->f_path.dentry); + if (mnt) + *mnt = mntget(file->f_path.mnt); + if (dentry) + *dentry = dget(file->f_path.dentry); + if (info) + snprintf(info, PROC_FDINFO_MAX, + "pos:\t%lli\n" + "flags:\t0%o\n", + (long long) file->f_pos, + file->f_flags); spin_unlock(&files->file_lock); put_files_struct(files); return 0; @@ -1264,6 +1255,12 @@ static int proc_fd_link(struct inode *inode, struct dentry **dentry, struct vfsm return -ENOENT; } +static int proc_fd_link(struct inode *inode, struct dentry **dentry, + struct vfsmount **mnt) +{ + return proc_fd_info(inode, dentry, mnt, NULL); +} + static int tid_fd_revalidate(struct dentry *dentry, struct nameidata *nd) { struct inode *inode = dentry->d_inode; @@ -1306,9 +1303,9 @@ static struct dentry_operations tid_fd_dentry_operations = }; static struct dentry *proc_fd_instantiate(struct inode *dir, - struct dentry *dentry, struct task_struct *task, void *ptr) + struct dentry *dentry, struct task_struct *task, const void *ptr) { - unsigned fd = *(unsigned *)ptr; + unsigned fd = *(const unsigned *)ptr; struct file *file; struct files_struct *files; struct inode *inode; @@ -1359,7 +1356,9 @@ out_iput: goto out; } -static struct dentry *proc_lookupfd(struct inode * dir, struct dentry * dentry, struct nameidata *nd) +static struct dentry *proc_lookupfd_common(struct inode *dir, + struct dentry *dentry, + instantiate_t instantiate) { struct task_struct *task = get_proc_task(dir); unsigned fd = name_to_int(dentry); @@ -1370,23 +1369,15 @@ static struct dentry *proc_lookupfd(struct inode * dir, struct dentry * dentry, if (fd == ~0U) goto out; - result = proc_fd_instantiate(dir, dentry, task, &fd); + result = instantiate(dir, dentry, task, &fd); out: put_task_struct(task); out_no_task: return result; } -static int proc_fd_fill_cache(struct file *filp, void *dirent, filldir_t filldir, - struct task_struct *task, int fd) -{ - char name[PROC_NUMBUF]; - int len = snprintf(name, sizeof(name), "%d", fd); - return proc_fill_cache(filp, dirent, filldir, name, len, - proc_fd_instantiate, task, &fd); -} - -static int proc_readfd(struct file * filp, void * dirent, filldir_t filldir) +static int proc_readfd_common(struct file * filp, void * dirent, + filldir_t filldir, instantiate_t instantiate) { struct dentry *dentry = filp->f_path.dentry; struct inode *inode = dentry->d_inode; @@ -1422,12 +1413,17 @@ static int proc_readfd(struct file * filp, void * dirent, filldir_t filldir) for (fd = filp->f_pos-2; fd < fdt->max_fds; fd++, filp->f_pos++) { + char name[PROC_NUMBUF]; + int len; if (!fcheck_files(files, fd)) continue; rcu_read_unlock(); - if (proc_fd_fill_cache(filp, dirent, filldir, p, fd) < 0) { + len = snprintf(name, sizeof(name), "%d", fd); + if (proc_fill_cache(filp, dirent, filldir, + name, len, instantiate, + p, &fd) < 0) { rcu_read_lock(); break; } @@ -1442,23 +1438,119 @@ out_no_task: return retval; } +static struct dentry *proc_lookupfd(struct inode *dir, struct dentry *dentry, + struct nameidata *nd) +{ + return proc_lookupfd_common(dir, dentry, proc_fd_instantiate); +} + +static int proc_readfd(struct file *filp, void *dirent, filldir_t filldir) +{ + return proc_readfd_common(filp, dirent, filldir, proc_fd_instantiate); +} + +static ssize_t proc_fdinfo_read(struct file *file, char __user *buf, + size_t len, loff_t *ppos) +{ + char tmp[PROC_FDINFO_MAX]; + int err = proc_fd_info(file->f_path.dentry->d_inode, NULL, NULL, tmp); + if (!err) + err = simple_read_from_buffer(buf, len, ppos, tmp, strlen(tmp)); + return err; +} + +static const struct file_operations proc_fdinfo_file_operations = { + .open = nonseekable_open, + .read = proc_fdinfo_read, +}; + static const struct file_operations proc_fd_operations = { .read = generic_read_dir, .readdir = proc_readfd, }; /* + * /proc/pid/fd needs a special permission handler so that a process can still + * access /proc/self/fd after it has executed a setuid(). + */ +static int proc_fd_permission(struct inode *inode, int mask, + struct nameidata *nd) +{ + int rv; + + rv = generic_permission(inode, mask, NULL); + if (rv == 0) + return 0; + if (task_pid(current) == proc_pid(inode)) + rv = 0; + return rv; +} + +/* * proc directories can do almost nothing.. */ static const struct inode_operations proc_fd_inode_operations = { .lookup = proc_lookupfd, + .permission = proc_fd_permission, .setattr = proc_setattr, }; +static struct dentry *proc_fdinfo_instantiate(struct inode *dir, + struct dentry *dentry, struct task_struct *task, const void *ptr) +{ + unsigned fd = *(unsigned *)ptr; + struct inode *inode; + struct proc_inode *ei; + struct dentry *error = ERR_PTR(-ENOENT); + + inode = proc_pid_make_inode(dir->i_sb, task); + if (!inode) + goto out; + ei = PROC_I(inode); + ei->fd = fd; + inode->i_mode = S_IFREG | S_IRUSR; + inode->i_fop = &proc_fdinfo_file_operations; + dentry->d_op = &tid_fd_dentry_operations; + d_add(dentry, inode); + /* Close the race of the process dying before we return the dentry */ + if (tid_fd_revalidate(dentry, NULL)) + error = NULL; + + out: + return error; +} + +static struct dentry *proc_lookupfdinfo(struct inode *dir, + struct dentry *dentry, + struct nameidata *nd) +{ + return proc_lookupfd_common(dir, dentry, proc_fdinfo_instantiate); +} + +static int proc_readfdinfo(struct file *filp, void *dirent, filldir_t filldir) +{ + return proc_readfd_common(filp, dirent, filldir, + proc_fdinfo_instantiate); +} + +static const struct file_operations proc_fdinfo_operations = { + .read = generic_read_dir, + .readdir = proc_readfdinfo, +}; + +/* + * proc directories can do almost nothing.. + */ +static const struct inode_operations proc_fdinfo_inode_operations = { + .lookup = proc_lookupfdinfo, + .setattr = proc_setattr, +}; + + static struct dentry *proc_pident_instantiate(struct inode *dir, - struct dentry *dentry, struct task_struct *task, void *ptr) + struct dentry *dentry, struct task_struct *task, const void *ptr) { - struct pid_entry *p = ptr; + const struct pid_entry *p = ptr; struct inode *inode; struct proc_inode *ei; struct dentry *error = ERR_PTR(-EINVAL); @@ -1487,13 +1579,13 @@ out: static struct dentry *proc_pident_lookup(struct inode *dir, struct dentry *dentry, - struct pid_entry *ents, + const struct pid_entry *ents, unsigned int nents) { struct inode *inode; struct dentry *error; struct task_struct *task = get_proc_task(dir); - struct pid_entry *p, *last; + const struct pid_entry *p, *last; error = ERR_PTR(-ENOENT); inode = NULL; @@ -1522,8 +1614,8 @@ out_no_task: return error; } -static int proc_pident_fill_cache(struct file *filp, void *dirent, filldir_t filldir, - struct task_struct *task, struct pid_entry *p) +static int proc_pident_fill_cache(struct file *filp, void *dirent, + filldir_t filldir, struct task_struct *task, const struct pid_entry *p) { return proc_fill_cache(filp, dirent, filldir, p->name, p->len, proc_pident_instantiate, task, p); @@ -1531,14 +1623,14 @@ static int proc_pident_fill_cache(struct file *filp, void *dirent, filldir_t fil static int proc_pident_readdir(struct file *filp, void *dirent, filldir_t filldir, - struct pid_entry *ents, unsigned int nents) + const struct pid_entry *ents, unsigned int nents) { int i; int pid; struct dentry *dentry = filp->f_path.dentry; struct inode *inode = dentry->d_inode; struct task_struct *task = get_proc_task(inode); - struct pid_entry *p, *last; + const struct pid_entry *p, *last; ino_t ino; int ret; @@ -1653,7 +1745,7 @@ static const struct file_operations proc_pid_attr_operations = { .write = proc_pid_attr_write, }; -static struct pid_entry attr_dir_stuff[] = { +static const struct pid_entry attr_dir_stuff[] = { REG("current", S_IRUGO|S_IWUGO, pid_attr), REG("prev", S_IRUGO, pid_attr), REG("exec", S_IRUGO|S_IWUGO, pid_attr), @@ -1719,7 +1811,7 @@ static const struct inode_operations proc_self_inode_operations = { * that properly belong to the /proc filesystem, as they describe * describe something that is process related. */ -static struct pid_entry proc_base_stuff[] = { +static const struct pid_entry proc_base_stuff[] = { NOD("self", S_IFLNK|S_IRWXUGO, &proc_self_inode_operations, NULL, {}), }; @@ -1748,9 +1840,9 @@ static struct dentry_operations proc_base_dentry_operations = }; static struct dentry *proc_base_instantiate(struct inode *dir, - struct dentry *dentry, struct task_struct *task, void *ptr) + struct dentry *dentry, struct task_struct *task, const void *ptr) { - struct pid_entry *p = ptr; + const struct pid_entry *p = ptr; struct inode *inode; struct proc_inode *ei; struct dentry *error = ERR_PTR(-EINVAL); @@ -1798,7 +1890,7 @@ static struct dentry *proc_base_lookup(struct inode *dir, struct dentry *dentry) { struct dentry *error; struct task_struct *task = get_proc_task(dir); - struct pid_entry *p, *last; + const struct pid_entry *p, *last; error = ERR_PTR(-ENOENT); @@ -1824,8 +1916,8 @@ out_no_task: return error; } -static int proc_base_fill_cache(struct file *filp, void *dirent, filldir_t filldir, - struct task_struct *task, struct pid_entry *p) +static int proc_base_fill_cache(struct file *filp, void *dirent, + filldir_t filldir, struct task_struct *task, const struct pid_entry *p) { return proc_fill_cache(filp, dirent, filldir, p->name, p->len, proc_base_instantiate, task, p); @@ -1862,9 +1954,10 @@ static int proc_pid_io_accounting(struct task_struct *task, char *buffer) static const struct file_operations proc_task_operations; static const struct inode_operations proc_task_inode_operations; -static struct pid_entry tgid_base_stuff[] = { +static const struct pid_entry tgid_base_stuff[] = { DIR("task", S_IRUGO|S_IXUGO, task), DIR("fd", S_IRUSR|S_IXUSR, fd), + DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo), INF("environ", S_IRUSR, pid_environ), INF("auxv", S_IRUSR, pid_auxv), INF("status", S_IRUGO, pid_status), @@ -2005,7 +2098,7 @@ out: static struct dentry *proc_pid_instantiate(struct inode *dir, struct dentry * dentry, - struct task_struct *task, void *ptr) + struct task_struct *task, const void *ptr) { struct dentry *error = ERR_PTR(-ENOENT); struct inode *inode; @@ -2018,7 +2111,7 @@ static struct dentry *proc_pid_instantiate(struct inode *dir, inode->i_op = &proc_tgid_base_inode_operations; inode->i_fop = &proc_tgid_base_operations; inode->i_flags|=S_IMMUTABLE; - inode->i_nlink = 4; + inode->i_nlink = 5; #ifdef CONFIG_SECURITY inode->i_nlink += 1; #endif @@ -2120,7 +2213,7 @@ int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir) goto out_no_task; for (; nr < ARRAY_SIZE(proc_base_stuff); filp->f_pos++, nr++) { - struct pid_entry *p = &proc_base_stuff[nr]; + const struct pid_entry *p = &proc_base_stuff[nr]; if (proc_base_fill_cache(filp, dirent, filldir, reaper, p) < 0) goto out; } @@ -2146,8 +2239,9 @@ out_no_task: /* * Tasks */ -static struct pid_entry tid_base_stuff[] = { +static const struct pid_entry tid_base_stuff[] = { DIR("fd", S_IRUSR|S_IXUSR, fd), + DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo), INF("environ", S_IRUSR, pid_environ), INF("auxv", S_IRUSR, pid_auxv), INF("status", S_IRUGO, pid_status), @@ -2216,7 +2310,7 @@ static const struct inode_operations proc_tid_base_inode_operations = { }; static struct dentry *proc_task_instantiate(struct inode *dir, - struct dentry *dentry, struct task_struct *task, void *ptr) + struct dentry *dentry, struct task_struct *task, const void *ptr) { struct dentry *error = ERR_PTR(-ENOENT); struct inode *inode; @@ -2228,7 +2322,7 @@ static struct dentry *proc_task_instantiate(struct inode *dir, inode->i_op = &proc_tid_base_inode_operations; inode->i_fop = &proc_tid_base_operations; inode->i_flags|=S_IMMUTABLE; - inode->i_nlink = 3; + inode->i_nlink = 4; #ifdef CONFIG_SECURITY inode->i_nlink += 1; #endif diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 775fb21..8a40e15 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -398,6 +398,7 @@ struct dentry *proc_lookup(struct inode * dir, struct dentry *dentry, struct nam if (!memcmp(dentry->d_name.name, de->name, de->namelen)) { unsigned int ino = de->low_ino; + de_get(de); spin_unlock(&proc_subdir_lock); error = -EINVAL; inode = proc_get_inode(dir->i_sb, ino, de); @@ -414,6 +415,7 @@ struct dentry *proc_lookup(struct inode * dir, struct dentry *dentry, struct nam d_add(dentry, inode); return NULL; } + de_put(de); return ERR_PTR(error); } @@ -476,14 +478,21 @@ int proc_readdir(struct file * filp, } do { + struct proc_dir_entry *next; + /* filldir passes info to user space */ + de_get(de); spin_unlock(&proc_subdir_lock); if (filldir(dirent, de->name, de->namelen, filp->f_pos, - de->low_ino, de->mode >> 12) < 0) + de->low_ino, de->mode >> 12) < 0) { + de_put(de); goto out; + } spin_lock(&proc_subdir_lock); filp->f_pos++; - de = de->next; + next = de->next; + de_put(de); + de = next; } while (de); spin_unlock(&proc_subdir_lock); } diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 22b1158..b817190 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -21,7 +21,7 @@ #include "internal.h" -static inline struct proc_dir_entry * de_get(struct proc_dir_entry *de) +struct proc_dir_entry *de_get(struct proc_dir_entry *de) { if (de) atomic_inc(&de->count); @@ -31,7 +31,7 @@ static inline struct proc_dir_entry * de_get(struct proc_dir_entry *de) /* * Decrements the use count and checks for deferred deletion. */ -static void de_put(struct proc_dir_entry *de) +void de_put(struct proc_dir_entry *de) { if (de) { lock_kernel(); @@ -146,13 +146,6 @@ struct inode *proc_get_inode(struct super_block *sb, unsigned int ino, { struct inode * inode; - /* - * Increment the use count so the dir entry can't disappear. - */ - de_get(de); - - WARN_ON(de && de->deleted); - if (de != NULL && !try_module_get(de->owner)) goto out_mod; @@ -184,7 +177,6 @@ out_ino: if (de != NULL) module_put(de->owner); out_mod: - de_put(de); return NULL; } @@ -199,6 +191,7 @@ int proc_fill_super(struct super_block *s, void *data, int silent) s->s_op = &proc_sops; s->s_time_gran = 1; + de_get(&proc_root); root_inode = proc_get_inode(s, PROC_ROOT_INO, &proc_root); if (!root_inode) goto out_no_root; @@ -212,6 +205,7 @@ int proc_fill_super(struct super_block *s, void *data, int silent) out_no_root: printk("proc_read_super: get root inode failed\n"); iput(root_inode); + de_put(&proc_root); return -ENOMEM; } MODULE_LICENSE("GPL"); diff --git a/fs/proc/internal.h b/fs/proc/internal.h index f771889..b215c35 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -37,6 +37,8 @@ do { \ extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *); #endif +extern int maps_protect; + extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f); extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **); extern int proc_tid_stat(struct task_struct *, char *); diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 75ec652..5fd49e4 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -35,7 +35,6 @@ #include <linux/signal.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/times.h> #include <linux/profile.h> @@ -429,18 +428,11 @@ static int slabstats_open(struct inode *inode, struct file *file) return ret; } -static int slabstats_release(struct inode *inode, struct file *file) -{ - struct seq_file *m = file->private_data; - kfree(m->private); - return seq_release(inode, file); -} - static const struct file_operations proc_slabstats_operations = { .open = slabstats_open, .read = seq_read, .llseek = seq_lseek, - .release = slabstats_release, + .release = seq_release_private, }; #endif #endif diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 20e8cbb..680c429 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -429,11 +429,8 @@ static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr) return -EPERM; error = inode_change_ok(inode, attr); - if (!error) { - error = security_inode_setattr(dentry, attr); - if (!error) - error = inode_setattr(inode, attr); - } + if (!error) + error = inode_setattr(inode, attr); return error; } diff --git a/fs/proc/proc_tty.c b/fs/proc/proc_tty.c index c1bbfbe..b3a473b 100644 --- a/fs/proc/proc_tty.c +++ b/fs/proc/proc_tty.c @@ -108,6 +108,8 @@ static void *t_start(struct seq_file *m, loff_t *pos) { struct list_head *p; loff_t l = *pos; + + mutex_lock(&tty_mutex); list_for_each(p, &tty_drivers) if (!l--) return list_entry(p, struct tty_driver, tty_drivers); @@ -124,6 +126,7 @@ static void *t_next(struct seq_file *m, void *v, loff_t *pos) static void t_stop(struct seq_file *m, void *v) { + mutex_unlock(&tty_mutex); } static struct seq_operations tty_drivers_op = { diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 4008c06..c24d81a 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -3,6 +3,7 @@ #include <linux/mount.h> #include <linux/seq_file.h> #include <linux/highmem.h> +#include <linux/ptrace.h> #include <linux/pagemap.h> #include <linux/mempolicy.h> @@ -142,6 +143,9 @@ static int show_map_internal(struct seq_file *m, void *v, struct mem_size_stats dev_t dev = 0; int len; + if (maps_protect && !ptrace_may_attach(task)) + return -EACCES; + if (file) { struct inode *inode = vma->vm_file->f_path.dentry->d_inode; dev = inode->i_sb->s_dev; @@ -512,11 +516,22 @@ const struct file_operations proc_maps_operations = { #ifdef CONFIG_NUMA extern int show_numa_map(struct seq_file *m, void *v); +static int show_numa_map_checked(struct seq_file *m, void *v) +{ + struct proc_maps_private *priv = m->private; + struct task_struct *task = priv->task; + + if (maps_protect && !ptrace_may_attach(task)) + return -EACCES; + + return show_numa_map(m, v); +} + static struct seq_operations proc_pid_numa_maps_op = { .start = m_start, .next = m_next, .stop = m_stop, - .show = show_numa_map + .show = show_numa_map_checked }; static int numa_maps_open(struct inode *inode, struct file *file) diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 7cddf6b..d8b8c71 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -2,6 +2,7 @@ #include <linux/mm.h> #include <linux/file.h> #include <linux/mount.h> +#include <linux/ptrace.h> #include <linux/seq_file.h> #include "internal.h" @@ -143,6 +144,12 @@ out: static int show_map(struct seq_file *m, void *_vml) { struct vm_list_struct *vml = _vml; + struct proc_maps_private *priv = m->private; + struct task_struct *task = priv->task; + + if (maps_protect && !ptrace_may_attach(task)) + return -EACCES; + return nommu_vma_show(m, vml->vma); } @@ -11,7 +11,6 @@ #include <asm/current.h> #include <asm/uaccess.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/security.h> #include <linux/syscalls.h> #include <linux/buffer_head.h> diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index d3fd7c6..3b481d5 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -16,7 +16,6 @@ #include <linux/highmem.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <linux/ramfs.h> #include <linux/quotaops.h> diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index ff1f763..4ace5d7 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -30,7 +30,6 @@ #include <linux/time.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <linux/ramfs.h> diff --git a/fs/read_write.c b/fs/read_write.c index 1f8dc37..4d03008 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -37,10 +37,10 @@ loff_t generic_file_llseek(struct file *file, loff_t offset, int origin) mutex_lock(&inode->i_mutex); switch (origin) { - case 2: + case SEEK_END: offset += inode->i_size; break; - case 1: + case SEEK_CUR: offset += file->f_pos; } retval = -EINVAL; @@ -63,10 +63,10 @@ loff_t remote_llseek(struct file *file, loff_t offset, int origin) lock_kernel(); switch (origin) { - case 2: + case SEEK_END: offset += i_size_read(file->f_path.dentry->d_inode); break; - case 1: + case SEEK_CUR: offset += file->f_pos; } retval = -EINVAL; @@ -94,10 +94,10 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin) lock_kernel(); switch (origin) { - case 2: + case SEEK_END: offset += i_size_read(file->f_path.dentry->d_inode); break; - case 1: + case SEEK_CUR: offset += file->f_pos; } retval = -EINVAL; @@ -139,7 +139,7 @@ asmlinkage off_t sys_lseek(unsigned int fd, off_t offset, unsigned int origin) goto bad; retval = -EINVAL; - if (origin <= 2) { + if (origin <= SEEK_MAX) { loff_t res = vfs_llseek(file, offset, origin); retval = res; if (res != (loff_t)retval) @@ -166,7 +166,7 @@ asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high, goto bad; retval = -EINVAL; - if (origin > 2) + if (origin > SEEK_MAX) goto out_putf; offset = vfs_llseek(file, ((loff_t) offset_high << 32) | offset_low, diff --git a/fs/readdir.c b/fs/readdir.c index f39f5b3..efe52e6 100644 --- a/fs/readdir.c +++ b/fs/readdir.c @@ -4,13 +4,13 @@ * Copyright (C) 1995 Linus Torvalds */ +#include <linux/kernel.h> #include <linux/module.h> #include <linux/time.h> #include <linux/mm.h> #include <linux/errno.h> #include <linux/stat.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/dirent.h> #include <linux/security.h> @@ -52,7 +52,6 @@ EXPORT_SYMBOL(vfs_readdir); * case (the low-level handlers don't need to care about this). */ #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de))) -#define ROUND_UP(x) (((x)+sizeof(long)-1) & ~(sizeof(long)-1)) #ifdef __ARCH_WANT_OLD_READDIR @@ -147,7 +146,7 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset, struct linux_dirent __user * dirent; struct getdents_callback * buf = (struct getdents_callback *) __buf; unsigned long d_ino; - int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 2); + int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 2, sizeof(long)); buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) @@ -220,8 +219,6 @@ out: return error; } -#define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1)) - struct getdents_callback64 { struct linux_dirent64 __user * current_dir; struct linux_dirent64 __user * previous; @@ -234,7 +231,7 @@ static int filldir64(void * __buf, const char * name, int namlen, loff_t offset, { struct linux_dirent64 __user *dirent; struct getdents_callback64 * buf = (struct getdents_callback64 *) __buf; - int reclen = ROUND_UP64(NAME_OFFSET(dirent) + namlen + 1); + int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, sizeof(u64)); buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c index 96a2f88..9c23fee 100644 --- a/fs/reiserfs/dir.c +++ b/fs/reiserfs/dir.c @@ -7,7 +7,6 @@ #include <linux/fs.h> #include <linux/reiserfs_fs.h> #include <linux/stat.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <asm/uaccess.h> diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index abfada2..ab45db5 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -6,7 +6,6 @@ #include <linux/reiserfs_fs.h> #include <linux/reiserfs_acl.h> #include <linux/reiserfs_xattr.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <linux/pagemap.h> #include <linux/swap.h> diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 7280a23..e073fd8 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -2918,7 +2918,7 @@ static void queue_log_writer(struct super_block *s) set_current_state(TASK_UNINTERRUPTIBLE); if (test_bit(J_WRITERS_QUEUED, &journal->j_state)) schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&journal->j_join_wait, &wait); } diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c index a216184..b378eea 100644 --- a/fs/reiserfs/namei.c +++ b/fs/reiserfs/namei.c @@ -16,7 +16,6 @@ #include <linux/reiserfs_fs.h> #include <linux/reiserfs_acl.h> #include <linux/reiserfs_xattr.h> -#include <linux/smp_lock.h> #include <linux/quotaops.h> #define INC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) { inc_nlink(i); if (i->i_nlink >= REISERFS_LINK_MAX) i->i_nlink=1; } diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c index ecc9943..9aa7a06 100644 --- a/fs/reiserfs/procfs.c +++ b/fs/reiserfs/procfs.c @@ -16,11 +16,10 @@ #include <asm/uaccess.h> #include <linux/reiserfs_fs.h> #include <linux/reiserfs_fs_sb.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/proc_fs.h> -#if defined( REISERFS_PROC_INFO ) +#ifdef CONFIG_REISERFS_PROC_INFO /* * LOCKING: diff --git a/fs/reiserfs/resize.c b/fs/reiserfs/resize.c index 3156847..976cc78 100644 --- a/fs/reiserfs/resize.c +++ b/fs/reiserfs/resize.c @@ -131,6 +131,10 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new) /* don't use read_bitmap_block since it will cache * the uninitialized bitmap */ bh = sb_bread(s, i * s->s_blocksize * 8); + if (!bh) { + vfree(bitmap); + return -EIO; + } memset(bh->b_data, 0, sb_blocksize(sb)); reiserfs_test_and_set_le_bit(0, bh->b_data); reiserfs_cache_bitmap_metadata(s, bh, bitmap + i); diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c index afb21ea4..b6f1259 100644 --- a/fs/reiserfs/stree.c +++ b/fs/reiserfs/stree.c @@ -53,7 +53,6 @@ #include <linux/string.h> #include <linux/pagemap.h> #include <linux/reiserfs_fs.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/quotaops.h> diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 7054aae..c776214 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -18,7 +18,6 @@ #include <linux/reiserfs_fs.h> #include <linux/reiserfs_acl.h> #include <linux/reiserfs_xattr.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/blkdev.h> #include <linux/buffer_head.h> @@ -433,12 +432,13 @@ int remove_save_link(struct inode *inode, int truncate) static void reiserfs_kill_sb(struct super_block *s) { if (REISERFS_SB(s)) { +#ifdef CONFIG_REISERFS_FS_XATTR if (REISERFS_SB(s)->xattr_root) { d_invalidate(REISERFS_SB(s)->xattr_root); dput(REISERFS_SB(s)->xattr_root); REISERFS_SB(s)->xattr_root = NULL; } - +#endif if (REISERFS_SB(s)->priv_root) { d_invalidate(REISERFS_SB(s)->priv_root); dput(REISERFS_SB(s)->priv_root); @@ -1562,9 +1562,10 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) REISERFS_SB(s)->s_alloc_options.preallocmin = 0; /* Preallocate by 16 blocks (17-1) at once */ REISERFS_SB(s)->s_alloc_options.preallocsize = 17; +#ifdef CONFIG_REISERFS_FS_XATTR /* Initialize the rwsem for xattr dir */ init_rwsem(&REISERFS_SB(s)->xattr_dir_sem); - +#endif /* setup default block allocator options */ reiserfs_init_alloc_options(s); diff --git a/fs/select.c b/fs/select.c index fe0893a..d862241 100644 --- a/fs/select.c +++ b/fs/select.c @@ -14,10 +14,10 @@ * of fds to overcome nfds < 16390 descriptors limit (Tigran Aivazian). */ +#include <linux/kernel.h> #include <linux/syscalls.h> #include <linux/module.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/poll.h> #include <linux/personality.h> /* for STICKY_TIMEOUTS */ #include <linux/file.h> @@ -26,7 +26,6 @@ #include <asm/uaccess.h> -#define ROUND_UP(x,y) (((x)+(y)-1)/(y)) #define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM) struct poll_table_page { @@ -399,7 +398,7 @@ asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, if ((u64)tv.tv_sec >= (u64)MAX_INT64_SECONDS) timeout = -1; /* infinite */ else { - timeout = ROUND_UP(tv.tv_usec, USEC_PER_SEC/HZ); + timeout = DIV_ROUND_UP(tv.tv_usec, USEC_PER_SEC/HZ); timeout += tv.tv_sec * HZ; } } @@ -454,7 +453,7 @@ asmlinkage long sys_pselect7(int n, fd_set __user *inp, fd_set __user *outp, if ((u64)ts.tv_sec >= (u64)MAX_INT64_SECONDS) timeout = -1; /* infinite */ else { - timeout = ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ); + timeout = DIV_ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ); timeout += ts.tv_sec * HZ; } } @@ -776,7 +775,7 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds, if ((u64)ts.tv_sec >= (u64)MAX_INT64_SECONDS) timeout = -1; /* infinite */ else { - timeout = ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ); + timeout = DIV_ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ); timeout += ts.tv_sec * HZ; } } diff --git a/fs/smbfs/request.c b/fs/smbfs/request.c index 723f7c6..c288fbe 100644 --- a/fs/smbfs/request.c +++ b/fs/smbfs/request.c @@ -6,6 +6,7 @@ * Please add a note about your changes to smbfs in the ChangeLog file. */ +#include <linux/kernel.h> #include <linux/types.h> #include <linux/fs.h> #include <linux/slab.h> @@ -22,8 +23,6 @@ /* #define SMB_SLAB_DEBUG (SLAB_RED_ZONE | SLAB_POISON) */ #define SMB_SLAB_DEBUG 0 -#define ROUND_UP(x) (((x)+3) & ~3) - /* cache for request structures */ static struct kmem_cache *req_cachep; @@ -200,8 +199,8 @@ static int smb_setup_trans2request(struct smb_request *req) const int smb_parameters = 15; const int header = SMB_HEADER_LEN + 2 * smb_parameters + 2; - const int oparam = ROUND_UP(header + 3); - const int odata = ROUND_UP(oparam + req->rq_lparm); + const int oparam = ALIGN(header + 3, sizeof(u32)); + const int odata = ALIGN(oparam + req->rq_lparm, sizeof(u32)); const int bcc = (req->rq_data ? odata + req->rq_ldata : oparam + req->rq_lparm) - header; diff --git a/fs/smbfs/smbiod.c b/fs/smbfs/smbiod.c index 89eaf31..67176af 100644 --- a/fs/smbfs/smbiod.c +++ b/fs/smbfs/smbiod.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <linux/file.h> #include <linux/dcache.h> -#include <linux/smp_lock.h> #include <linux/module.h> #include <linux/net.h> #include <linux/kthread.h> @@ -299,8 +298,6 @@ out: */ static int smbiod(void *unused) { - allow_signal(SIGKILL); - VERBOSE("SMB Kernel thread starting (%d) ...\n", current->pid); for (;;) { diff --git a/fs/smbfs/sock.c b/fs/smbfs/sock.c index 92ea6b2..e48bd82 100644 --- a/fs/smbfs/sock.c +++ b/fs/smbfs/sock.c @@ -17,7 +17,6 @@ #include <linux/net.h> #include <linux/mm.h> #include <linux/netdevice.h> -#include <linux/smp_lock.h> #include <linux/workqueue.h> #include <net/scm.h> #include <net/tcp_states.h> diff --git a/fs/smbfs/symlink.c b/fs/smbfs/symlink.c index fea20ce..00b2909 100644 --- a/fs/smbfs/symlink.c +++ b/fs/smbfs/symlink.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/net.h> #include <linux/namei.h> @@ -8,7 +8,6 @@ #include <linux/mm.h> #include <linux/errno.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/highuid.h> #include <linux/fs.h> #include <linux/namei.h> @@ -107,6 +107,7 @@ out: static inline void destroy_super(struct super_block *s) { security_sb_free(s); + kfree(s->s_subtype); kfree(s); } @@ -907,6 +908,29 @@ out: EXPORT_SYMBOL_GPL(vfs_kern_mount); +static struct vfsmount *fs_set_subtype(struct vfsmount *mnt, const char *fstype) +{ + int err; + const char *subtype = strchr(fstype, '.'); + if (subtype) { + subtype++; + err = -EINVAL; + if (!subtype[0]) + goto err; + } else + subtype = ""; + + mnt->mnt_sb->s_subtype = kstrdup(subtype, GFP_KERNEL); + err = -ENOMEM; + if (!mnt->mnt_sb->s_subtype) + goto err; + return mnt; + + err: + mntput(mnt); + return ERR_PTR(err); +} + struct vfsmount * do_kern_mount(const char *fstype, int flags, const char *name, void *data) { @@ -915,6 +939,9 @@ do_kern_mount(const char *fstype, int flags, const char *name, void *data) if (!type) return ERR_PTR(-ENODEV); mnt = vfs_kern_mount(type, flags, name, data); + if (!IS_ERR(mnt) && (type->fs_flags & FS_HAS_SUBTYPE) && + !mnt->mnt_sb->s_subtype) + mnt = fs_set_subtype(mnt, fstype); put_filesystem(type); return mnt; } @@ -229,7 +229,7 @@ asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, !S_ISLNK(i_mode)) goto out_put; - ret = do_sync_file_range(file, offset, endbyte, flags); + ret = do_sync_mapping_range(file->f_mapping, offset, endbyte, flags); out_put: fput_light(file, fput_needed); out: diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index 4e48abb..6bd850b 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -13,7 +13,6 @@ */ #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include "sysv.h" static int add_nondir(struct dentry *dentry, struct inode *inode) diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index ea521f8..4cec910 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -427,9 +427,9 @@ static void udf_table_free_blocks(struct super_block * sb, { struct udf_sb_info *sbi = UDF_SB(sb); uint32_t start, end; - uint32_t nextoffset, oextoffset, elen; - kernel_lb_addr nbloc, obloc, eloc; - struct buffer_head *obh, *nbh; + uint32_t elen; + kernel_lb_addr eloc; + struct extent_position oepos, epos; int8_t etype; int i; @@ -457,14 +457,13 @@ static void udf_table_free_blocks(struct super_block * sb, start = bloc.logicalBlockNum + offset; end = bloc.logicalBlockNum + offset + count - 1; - oextoffset = nextoffset = sizeof(struct unallocSpaceEntry); + epos.offset = oepos.offset = sizeof(struct unallocSpaceEntry); elen = 0; - obloc = nbloc = UDF_I_LOCATION(table); - - obh = nbh = NULL; + epos.block = oepos.block = UDF_I_LOCATION(table); + epos.bh = oepos.bh = NULL; while (count && (etype = - udf_next_aext(table, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1)) != -1) + udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == start)) @@ -482,7 +481,7 @@ static void udf_table_free_blocks(struct super_block * sb, start += count; count = 0; } - udf_write_aext(table, obloc, &oextoffset, eloc, elen, obh, 1); + udf_write_aext(table, &oepos, eloc, elen, 1); } else if (eloc.logicalBlockNum == (end + 1)) { @@ -502,20 +501,20 @@ static void udf_table_free_blocks(struct super_block * sb, end -= count; count = 0; } - udf_write_aext(table, obloc, &oextoffset, eloc, elen, obh, 1); + udf_write_aext(table, &oepos, eloc, elen, 1); } - if (nbh != obh) + if (epos.bh != oepos.bh) { i = -1; - obloc = nbloc; - udf_release_data(obh); - atomic_inc(&nbh->b_count); - obh = nbh; - oextoffset = 0; + oepos.block = epos.block; + brelse(oepos.bh); + get_bh(epos.bh); + oepos.bh = epos.bh; + oepos.offset = 0; } else - oextoffset = nextoffset; + oepos.offset = epos.offset; } if (count) @@ -547,55 +546,53 @@ static void udf_table_free_blocks(struct super_block * sb, adsize = sizeof(long_ad); else { - udf_release_data(obh); - udf_release_data(nbh); + brelse(oepos.bh); + brelse(epos.bh); goto error_return; } - if (nextoffset + (2 * adsize) > sb->s_blocksize) + if (epos.offset + (2 * adsize) > sb->s_blocksize) { char *sptr, *dptr; int loffset; - udf_release_data(obh); - obh = nbh; - obloc = nbloc; - oextoffset = nextoffset; + brelse(oepos.bh); + oepos = epos; /* Steal a block from the extent being free'd */ - nbloc.logicalBlockNum = eloc.logicalBlockNum; + epos.block.logicalBlockNum = eloc.logicalBlockNum; eloc.logicalBlockNum ++; elen -= sb->s_blocksize; - if (!(nbh = udf_tread(sb, - udf_get_lb_pblock(sb, nbloc, 0)))) + if (!(epos.bh = udf_tread(sb, + udf_get_lb_pblock(sb, epos.block, 0)))) { - udf_release_data(obh); + brelse(oepos.bh); goto error_return; } - aed = (struct allocExtDesc *)(nbh->b_data); - aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum); - if (nextoffset + adsize > sb->s_blocksize) + aed = (struct allocExtDesc *)(epos.bh->b_data); + aed->previousAllocExtLocation = cpu_to_le32(oepos.block.logicalBlockNum); + if (epos.offset + adsize > sb->s_blocksize) { - loffset = nextoffset; + loffset = epos.offset; aed->lengthAllocDescs = cpu_to_le32(adsize); - sptr = UDF_I_DATA(inode) + nextoffset - + sptr = UDF_I_DATA(inode) + epos.offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode) - adsize; - dptr = nbh->b_data + sizeof(struct allocExtDesc); + dptr = epos.bh->b_data + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); - nextoffset = sizeof(struct allocExtDesc) + adsize; + epos.offset = sizeof(struct allocExtDesc) + adsize; } else { - loffset = nextoffset + adsize; + loffset = epos.offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); - sptr = (obh)->b_data + nextoffset; - nextoffset = sizeof(struct allocExtDesc); + sptr = oepos.bh->b_data + epos.offset; + epos.offset = sizeof(struct allocExtDesc); - if (obh) + if (oepos.bh) { - aed = (struct allocExtDesc *)(obh)->b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } @@ -606,11 +603,11 @@ static void udf_table_free_blocks(struct super_block * sb, } } if (UDF_SB_UDFREV(sb) >= 0x0200) - udf_new_tag(nbh->b_data, TAG_IDENT_AED, 3, 1, - nbloc.logicalBlockNum, sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1, + epos.block.logicalBlockNum, sizeof(tag)); else - udf_new_tag(nbh->b_data, TAG_IDENT_AED, 2, 1, - nbloc.logicalBlockNum, sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 1, + epos.block.logicalBlockNum, sizeof(tag)); switch (UDF_I_ALLOCTYPE(table)) { case ICBTAG_FLAG_AD_SHORT: @@ -619,7 +616,7 @@ static void udf_table_free_blocks(struct super_block * sb, sad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | sb->s_blocksize); - sad->extPosition = cpu_to_le32(nbloc.logicalBlockNum); + sad->extPosition = cpu_to_le32(epos.block.logicalBlockNum); break; } case ICBTAG_FLAG_AD_LONG: @@ -628,14 +625,14 @@ static void udf_table_free_blocks(struct super_block * sb, lad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | sb->s_blocksize); - lad->extLocation = cpu_to_lelb(nbloc); + lad->extLocation = cpu_to_lelb(epos.block); break; } } - if (obh) + if (oepos.bh) { - udf_update_tag(obh->b_data, loffset); - mark_buffer_dirty(obh); + udf_update_tag(oepos.bh->b_data, loffset); + mark_buffer_dirty(oepos.bh); } else mark_inode_dirty(table); @@ -643,26 +640,26 @@ static void udf_table_free_blocks(struct super_block * sb, if (elen) /* It's possible that stealing the block emptied the extent */ { - udf_write_aext(table, nbloc, &nextoffset, eloc, elen, nbh, 1); + udf_write_aext(table, &epos, eloc, elen, 1); - if (!nbh) + if (!epos.bh) { UDF_I_LENALLOC(table) += adsize; mark_inode_dirty(table); } else { - aed = (struct allocExtDesc *)nbh->b_data; + aed = (struct allocExtDesc *)epos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); - udf_update_tag(nbh->b_data, nextoffset); - mark_buffer_dirty(nbh); + udf_update_tag(epos.bh->b_data, epos.offset); + mark_buffer_dirty(epos.bh); } } } - udf_release_data(nbh); - udf_release_data(obh); + brelse(epos.bh); + brelse(oepos.bh); error_return: sb->s_dirt = 1; @@ -677,9 +674,9 @@ static int udf_table_prealloc_blocks(struct super_block * sb, { struct udf_sb_info *sbi = UDF_SB(sb); int alloc_count = 0; - uint32_t extoffset, elen, adsize; - kernel_lb_addr bloc, eloc; - struct buffer_head *bh; + uint32_t elen, adsize; + kernel_lb_addr eloc; + struct extent_position epos; int8_t etype = -1; if (first_block < 0 || first_block >= UDF_SB_PARTLEN(sb, partition)) @@ -693,14 +690,13 @@ static int udf_table_prealloc_blocks(struct super_block * sb, return 0; mutex_lock(&sbi->s_alloc_mutex); - extoffset = sizeof(struct unallocSpaceEntry); - bloc = UDF_I_LOCATION(table); - - bh = NULL; + epos.offset = sizeof(struct unallocSpaceEntry); + epos.block = UDF_I_LOCATION(table); + epos.bh = NULL; eloc.logicalBlockNum = 0xFFFFFFFF; while (first_block != eloc.logicalBlockNum && (etype = - udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) + udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { udf_debug("eloc=%d, elen=%d, first_block=%d\n", eloc.logicalBlockNum, elen, first_block); @@ -709,7 +705,7 @@ static int udf_table_prealloc_blocks(struct super_block * sb, if (first_block == eloc.logicalBlockNum) { - extoffset -= adsize; + epos.offset -= adsize; alloc_count = (elen >> sb->s_blocksize_bits); if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count)) @@ -719,15 +715,15 @@ static int udf_table_prealloc_blocks(struct super_block * sb, alloc_count = block_count; eloc.logicalBlockNum += alloc_count; elen -= (alloc_count << sb->s_blocksize_bits); - udf_write_aext(table, bloc, &extoffset, eloc, (etype << 30) | elen, bh, 1); + udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1); } else - udf_delete_aext(table, bloc, extoffset, eloc, (etype << 30) | elen, bh); + udf_delete_aext(table, epos, eloc, (etype << 30) | elen); } else alloc_count = 0; - udf_release_data(bh); + brelse(epos.bh); if (alloc_count && UDF_SB_LVIDBH(sb)) { @@ -747,9 +743,9 @@ static int udf_table_new_block(struct super_block * sb, struct udf_sb_info *sbi = UDF_SB(sb); uint32_t spread = 0xFFFFFFFF, nspread = 0xFFFFFFFF; uint32_t newblock = 0, adsize; - uint32_t extoffset, goal_extoffset, elen, goal_elen = 0; - kernel_lb_addr bloc, goal_bloc, eloc, goal_eloc; - struct buffer_head *bh, *goal_bh; + uint32_t elen, goal_elen = 0; + kernel_lb_addr eloc, goal_eloc; + struct extent_position epos, goal_epos; int8_t etype; *err = -ENOSPC; @@ -770,14 +766,12 @@ static int udf_table_new_block(struct super_block * sb, We store the buffer_head, bloc, and extoffset of the current closest match and use that when we are done. */ - - extoffset = sizeof(struct unallocSpaceEntry); - bloc = UDF_I_LOCATION(table); - - goal_bh = bh = NULL; + epos.offset = sizeof(struct unallocSpaceEntry); + epos.block = UDF_I_LOCATION(table); + epos.bh = goal_epos.bh = NULL; while (spread && (etype = - udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) + udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { if (goal >= eloc.logicalBlockNum) { @@ -793,24 +787,24 @@ static int udf_table_new_block(struct super_block * sb, if (nspread < spread) { spread = nspread; - if (goal_bh != bh) + if (goal_epos.bh != epos.bh) { - udf_release_data(goal_bh); - goal_bh = bh; - atomic_inc(&goal_bh->b_count); + brelse(goal_epos.bh); + goal_epos.bh = epos.bh; + get_bh(goal_epos.bh); } - goal_bloc = bloc; - goal_extoffset = extoffset - adsize; + goal_epos.block = epos.block; + goal_epos.offset = epos.offset - adsize; goal_eloc = eloc; goal_elen = (etype << 30) | elen; } } - udf_release_data(bh); + brelse(epos.bh); if (spread == 0xFFFFFFFF) { - udf_release_data(goal_bh); + brelse(goal_epos.bh); mutex_unlock(&sbi->s_alloc_mutex); return 0; } @@ -826,17 +820,17 @@ static int udf_table_new_block(struct super_block * sb, if (inode && DQUOT_ALLOC_BLOCK(inode, 1)) { - udf_release_data(goal_bh); + brelse(goal_epos.bh); mutex_unlock(&sbi->s_alloc_mutex); *err = -EDQUOT; return 0; } if (goal_elen) - udf_write_aext(table, goal_bloc, &goal_extoffset, goal_eloc, goal_elen, goal_bh, 1); + udf_write_aext(table, &goal_epos, goal_eloc, goal_elen, 1); else - udf_delete_aext(table, goal_bloc, goal_extoffset, goal_eloc, goal_elen, goal_bh); - udf_release_data(goal_bh); + udf_delete_aext(table, goal_epos, goal_eloc, goal_elen); + brelse(goal_epos.bh); if (UDF_SB_LVIDBH(sb)) { @@ -921,11 +915,14 @@ inline int udf_new_block(struct super_block * sb, struct inode * inode, uint16_t partition, uint32_t goal, int *err) { + int ret; + if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { - return udf_bitmap_new_block(sb, inode, + ret = udf_bitmap_new_block(sb, inode, UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap, partition, goal, err); + return ret; } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) { diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 2391c91..e45f86b 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -111,11 +111,13 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d uint16_t liu; uint8_t lfi; loff_t size = (udf_ext0_offset(dir) + dir->i_size) >> 2; - struct buffer_head * bh = NULL, * tmp, * bha[16]; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; + struct buffer_head *tmp, *bha[16]; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; int i, num; unsigned int dt_type; + struct extent_position epos = { NULL, 0, {0, 0}}; if (nf_pos >= size) return 0; @@ -127,23 +129,22 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh.sbh = fibh.ebh = NULL; else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); return -EIO; } @@ -171,7 +172,7 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d } else { - udf_release_data(bh); + brelse(epos.bh); return -ENOENT; } @@ -179,14 +180,14 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d { filp->f_pos = nf_pos + 1; - fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } @@ -244,9 +245,9 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } } @@ -255,9 +256,9 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d filp->f_pos = nf_pos + 1; if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } diff --git a/fs/udf/directory.c b/fs/udf/directory.c index fe751a2..198caa3 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -36,14 +36,14 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size, if (!ad) { - udf_release_data(*bh); + brelse(*bh); *error = 1; return NULL; } if (*offset == dir->i_sb->s_blocksize) { - udf_release_data(*bh); + brelse(*bh); block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); if (!block) return NULL; @@ -57,7 +57,7 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size, remainder = dir->i_sb->s_blocksize - loffset; memcpy((uint8_t *)ad, (*bh)->b_data + loffset, remainder); - udf_release_data(*bh); + brelse(*bh); block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); if (!block) return NULL; @@ -75,9 +75,9 @@ struct fileIdentDesc * udf_fileident_read(struct inode *dir, loff_t *nf_pos, struct udf_fileident_bh *fibh, struct fileIdentDesc *cfi, - kernel_lb_addr *bloc, uint32_t *extoffset, + struct extent_position *epos, kernel_lb_addr *eloc, uint32_t *elen, - uint32_t *offset, struct buffer_head **bh) + sector_t *offset) { struct fileIdentDesc *fi; int i, num, block; @@ -105,13 +105,11 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, if (fibh->eoffset == dir->i_sb->s_blocksize) { - int lextoffset = *extoffset; + int lextoffset = epos->offset; - if (udf_next_aext(dir, bloc, extoffset, eloc, elen, bh, 1) != + if (udf_next_aext(dir, epos, eloc, elen, 1) != (EXT_RECORDED_ALLOCATED >> 30)) - { return NULL; - } block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset); @@ -120,9 +118,9 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen) *offset = 0; else - *extoffset = lextoffset; + epos->offset = lextoffset; - udf_release_data(fibh->sbh); + brelse(fibh->sbh); if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) return NULL; fibh->soffset = fibh->eoffset = 0; @@ -151,7 +149,7 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, } else if (fibh->sbh != fibh->ebh) { - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; } @@ -169,13 +167,11 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, } else if (fibh->eoffset > dir->i_sb->s_blocksize) { - int lextoffset = *extoffset; + int lextoffset = epos->offset; - if (udf_next_aext(dir, bloc, extoffset, eloc, elen, bh, 1) != + if (udf_next_aext(dir, epos, eloc, elen, 1) != (EXT_RECORDED_ALLOCATED >> 30)) - { return NULL; - } block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset); @@ -184,7 +180,7 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen) *offset = 0; else - *extoffset = lextoffset; + epos->offset = lextoffset; fibh->soffset -= dir->i_sb->s_blocksize; fibh->eoffset -= dir->i_sb->s_blocksize; diff --git a/fs/udf/fsync.c b/fs/udf/fsync.c index 5887d78..6ded93e 100644 --- a/fs/udf/fsync.c +++ b/fs/udf/fsync.c @@ -21,7 +21,6 @@ #include "udfdecl.h" #include <linux/fs.h> -#include <linux/smp_lock.h> static int udf_fsync_inode(struct inode *, int); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index ae21a0e..c846155 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -49,10 +49,10 @@ MODULE_LICENSE("GPL"); static mode_t udf_convert_permissions(struct fileEntry *); static int udf_update_inode(struct inode *, int); static void udf_fill_inode(struct inode *, struct buffer_head *); -static struct buffer_head *inode_getblk(struct inode *, long, int *, +static struct buffer_head *inode_getblk(struct inode *, sector_t, int *, long *, int *); -static int8_t udf_insert_aext(struct inode *, kernel_lb_addr, int, - kernel_lb_addr, uint32_t, struct buffer_head *); +static int8_t udf_insert_aext(struct inode *, struct extent_position, + kernel_lb_addr, uint32_t); static void udf_split_extents(struct inode *, int *, int, int, kernel_long_ad [EXTENT_MERGE_SIZE], int *); static void udf_prealloc_extents(struct inode *, int, int, @@ -61,7 +61,7 @@ static void udf_merge_extents(struct inode *, kernel_long_ad [EXTENT_MERGE_SIZE], int *); static void udf_update_extents(struct inode *, kernel_long_ad [EXTENT_MERGE_SIZE], int, int, - kernel_lb_addr, uint32_t, struct buffer_head **); + struct extent_position *); static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int); /* @@ -194,10 +194,11 @@ void udf_expand_file_adinicb(struct inode * inode, int newsize, int * err) struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int *err) { int newblock; - struct buffer_head *sbh = NULL, *dbh = NULL; - kernel_lb_addr bloc, eloc; - uint32_t elen, extoffset; + struct buffer_head *dbh = NULL; + kernel_lb_addr eloc; + uint32_t elen; uint8_t alloctype; + struct extent_position epos; struct udf_fileident_bh sfibh, dfibh; loff_t f_pos = udf_ext0_offset(inode) >> 2; @@ -237,16 +238,16 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int mark_buffer_dirty_inode(dbh, inode); sfibh.soffset = sfibh.eoffset = (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2; - sbh = sfibh.sbh = sfibh.ebh = NULL; + sfibh.sbh = sfibh.ebh = NULL; dfibh.soffset = dfibh.eoffset = 0; dfibh.sbh = dfibh.ebh = dbh; while ( (f_pos < size) ) { UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; - sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL, NULL, NULL); + sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL); if (!sfi) { - udf_release_data(dbh); + brelse(dbh); return NULL; } UDF_I_ALLOCTYPE(inode) = alloctype; @@ -258,7 +259,7 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse))) { UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; - udf_release_data(dbh); + brelse(dbh); return NULL; } } @@ -266,16 +267,17 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, UDF_I_LENALLOC(inode)); UDF_I_LENALLOC(inode) = 0; - bloc = UDF_I_LOCATION(inode); eloc.logicalBlockNum = *block; eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_size; UDF_I_LENEXTENTS(inode) = elen; - extoffset = udf_file_entry_alloc_offset(inode); - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &sbh, 0); + epos.bh = NULL; + epos.block = UDF_I_LOCATION(inode); + epos.offset = udf_file_entry_alloc_offset(inode); + udf_add_aext(inode, &epos, eloc, elen, 0); /* UniqueID stuff */ - udf_release_data(sbh); + brelse(epos.bh); mark_inode_dirty(inode); return dbh; } @@ -354,53 +356,153 @@ udf_getblk(struct inode *inode, long block, int create, int *err) return NULL; } -static struct buffer_head * inode_getblk(struct inode * inode, long block, +/* Extend the file by 'blocks' blocks, return the number of extents added */ +int udf_extend_file(struct inode *inode, struct extent_position *last_pos, + kernel_long_ad *last_ext, sector_t blocks) +{ + sector_t add; + int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK); + struct super_block *sb = inode->i_sb; + kernel_lb_addr prealloc_loc = {0, 0}; + int prealloc_len = 0; + + /* The previous extent is fake and we should not extend by anything + * - there's nothing to do... */ + if (!blocks && fake) + return 0; + /* Round the last extent up to a multiple of block size */ + if (last_ext->extLength & (sb->s_blocksize - 1)) { + last_ext->extLength = + (last_ext->extLength & UDF_EXTENT_FLAG_MASK) | + (((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) + + sb->s_blocksize - 1) & ~(sb->s_blocksize - 1)); + UDF_I_LENEXTENTS(inode) = + (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) & + ~(sb->s_blocksize - 1); + } + /* Last extent are just preallocated blocks? */ + if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_ALLOCATED) { + /* Save the extent so that we can reattach it to the end */ + prealloc_loc = last_ext->extLocation; + prealloc_len = last_ext->extLength; + /* Mark the extent as a hole */ + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + (last_ext->extLength & UDF_EXTENT_LENGTH_MASK); + last_ext->extLocation.logicalBlockNum = 0; + last_ext->extLocation.partitionReferenceNum = 0; + } + /* Can we merge with the previous extent? */ + if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_NOT_ALLOCATED) { + add = ((1<<30) - sb->s_blocksize - (last_ext->extLength & + UDF_EXTENT_LENGTH_MASK)) >> sb->s_blocksize_bits; + if (add > blocks) + add = blocks; + blocks -= add; + last_ext->extLength += add << sb->s_blocksize_bits; + } + + if (fake) { + udf_add_aext(inode, last_pos, last_ext->extLocation, + last_ext->extLength, 1); + count++; + } + else + udf_write_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1); + /* Managed to do everything necessary? */ + if (!blocks) + goto out; + + /* All further extents will be NOT_RECORDED_NOT_ALLOCATED */ + last_ext->extLocation.logicalBlockNum = 0; + last_ext->extLocation.partitionReferenceNum = 0; + add = (1 << (30-sb->s_blocksize_bits)) - 1; + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits); + /* Create enough extents to cover the whole hole */ + while (blocks > add) { + blocks -= add; + if (udf_add_aext(inode, last_pos, last_ext->extLocation, + last_ext->extLength, 1) == -1) + return -1; + count++; + } + if (blocks) { + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + (blocks << sb->s_blocksize_bits); + if (udf_add_aext(inode, last_pos, last_ext->extLocation, + last_ext->extLength, 1) == -1) + return -1; + count++; + } +out: + /* Do we have some preallocated blocks saved? */ + if (prealloc_len) { + if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) == -1) + return -1; + last_ext->extLocation = prealloc_loc; + last_ext->extLength = prealloc_len; + count++; + } + /* last_pos should point to the last written extent... */ + if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) + last_pos->offset -= sizeof(short_ad); + else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG) + last_pos->offset -= sizeof(long_ad); + else + return -1; + return count; +} + +static struct buffer_head * inode_getblk(struct inode * inode, sector_t block, int *err, long *phys, int *new) { - struct buffer_head *pbh = NULL, *cbh = NULL, *nbh = NULL, *result = NULL; + static sector_t last_block; + struct buffer_head *result = NULL; kernel_long_ad laarr[EXTENT_MERGE_SIZE]; - uint32_t pextoffset = 0, cextoffset = 0, nextoffset = 0; + struct extent_position prev_epos, cur_epos, next_epos; int count = 0, startnum = 0, endnum = 0; uint32_t elen = 0; - kernel_lb_addr eloc, pbloc, cbloc, nbloc; + kernel_lb_addr eloc; int c = 1; - uint64_t lbcount = 0, b_off = 0; - uint32_t newblocknum, newblock, offset = 0; + loff_t lbcount = 0, b_off = 0; + uint32_t newblocknum, newblock; + sector_t offset = 0; int8_t etype; int goal = 0, pgoal = UDF_I_LOCATION(inode).logicalBlockNum; - char lastblock = 0; + int lastblock = 0; - pextoffset = cextoffset = nextoffset = udf_file_entry_alloc_offset(inode); - b_off = (uint64_t)block << inode->i_sb->s_blocksize_bits; - pbloc = cbloc = nbloc = UDF_I_LOCATION(inode); + prev_epos.offset = udf_file_entry_alloc_offset(inode); + prev_epos.block = UDF_I_LOCATION(inode); + prev_epos.bh = NULL; + cur_epos = next_epos = prev_epos; + b_off = (loff_t)block << inode->i_sb->s_blocksize_bits; /* find the extent which contains the block we are looking for. alternate between laarr[0] and laarr[1] for locations of the current extent, and the previous extent */ do { - if (pbh != cbh) + if (prev_epos.bh != cur_epos.bh) { - udf_release_data(pbh); - atomic_inc(&cbh->b_count); - pbh = cbh; + brelse(prev_epos.bh); + get_bh(cur_epos.bh); + prev_epos.bh = cur_epos.bh; } - if (cbh != nbh) + if (cur_epos.bh != next_epos.bh) { - udf_release_data(cbh); - atomic_inc(&nbh->b_count); - cbh = nbh; + brelse(cur_epos.bh); + get_bh(next_epos.bh); + cur_epos.bh = next_epos.bh; } lbcount += elen; - pbloc = cbloc; - cbloc = nbloc; + prev_epos.block = cur_epos.block; + cur_epos.block = next_epos.block; - pextoffset = cextoffset; - cextoffset = nextoffset; + prev_epos.offset = cur_epos.offset; + cur_epos.offset = next_epos.offset; - if ((etype = udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1)) == -1) + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1) break; c = !c; @@ -418,6 +520,8 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, b_off -= lbcount; offset = b_off >> inode->i_sb->s_blocksize_bits; + /* Move into indirect extent if we are at a pointer to it */ + udf_next_aext(inode, &prev_epos, &eloc, &elen, 0); /* if the extent is allocated and recorded, return the block if the extent is not a multiple of the blocksize, round up */ @@ -429,54 +533,77 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, elen = EXT_RECORDED_ALLOCATED | ((elen + inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1)); - etype = udf_write_aext(inode, nbloc, &cextoffset, eloc, elen, nbh, 1); + etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1); } - udf_release_data(pbh); - udf_release_data(cbh); - udf_release_data(nbh); + brelse(prev_epos.bh); + brelse(cur_epos.bh); + brelse(next_epos.bh); newblock = udf_get_lb_pblock(inode->i_sb, eloc, offset); *phys = newblock; return NULL; } + last_block = block; + /* Are we beyond EOF? */ if (etype == -1) { - endnum = startnum = ((count > 1) ? 1 : count); - if (laarr[c].extLength & (inode->i_sb->s_blocksize - 1)) - { - laarr[c].extLength = - (laarr[c].extLength & UDF_EXTENT_FLAG_MASK) | - (((laarr[c].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); - UDF_I_LENEXTENTS(inode) = - (UDF_I_LENEXTENTS(inode) + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1); + int ret; + + if (count) { + if (c) + laarr[0] = laarr[1]; + startnum = 1; + } + else { + /* Create a fake extent when there's not one */ + memset(&laarr[0].extLocation, 0x00, sizeof(kernel_lb_addr)); + laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; + /* Will udf_extend_file() create real extent from a fake one? */ + startnum = (offset > 0); + } + /* Create extents for the hole between EOF and offset */ + ret = udf_extend_file(inode, &prev_epos, laarr, offset); + if (ret == -1) { + brelse(prev_epos.bh); + brelse(cur_epos.bh); + brelse(next_epos.bh); + /* We don't really know the error here so we just make + * something up */ + *err = -ENOSPC; + return NULL; } - c = !c; - laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | - ((offset + 1) << inode->i_sb->s_blocksize_bits); - memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr)); - count ++; - endnum ++; + c = 0; + offset = 0; + count += ret; + /* We are not covered by a preallocated extent? */ + if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != EXT_NOT_RECORDED_ALLOCATED) { + /* Is there any real extent? - otherwise we overwrite + * the fake one... */ + if (count) + c = !c; + laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + inode->i_sb->s_blocksize; + memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr)); + count ++; + endnum ++; + } + endnum = c+1; lastblock = 1; } - else + else { endnum = startnum = ((count > 2) ? 2 : count); - /* if the current extent is in position 0, swap it with the previous */ - if (!c && count != 1) - { - laarr[2] = laarr[0]; - laarr[0] = laarr[1]; - laarr[1] = laarr[2]; - c = 1; - } + /* if the current extent is in position 0, swap it with the previous */ + if (!c && count != 1) + { + laarr[2] = laarr[0]; + laarr[0] = laarr[1]; + laarr[1] = laarr[2]; + c = 1; + } - /* if the current block is located in a extent, read the next extent */ - if (etype != -1) - { - if ((etype = udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 0)) != -1) + /* if the current block is located in an extent, read the next extent */ + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) { laarr[c+1].extLength = (etype << 30) | elen; laarr[c+1].extLocation = eloc; @@ -484,11 +611,10 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, startnum ++; endnum ++; } - else + else { lastblock = 1; + } } - udf_release_data(cbh); - udf_release_data(nbh); /* if the current extent is not recorded but allocated, get the block in the extent corresponding to the requested block */ @@ -508,7 +634,7 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, if (!(newblocknum = udf_new_block(inode->i_sb, inode, UDF_I_LOCATION(inode).partitionReferenceNum, goal, err))) { - udf_release_data(pbh); + brelse(prev_epos.bh); *err = -ENOSPC; return NULL; } @@ -529,11 +655,11 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, udf_merge_extents(inode, laarr, &endnum); /* write back the new extents, inserting new extents if the new number - of extents is greater than the old number, and deleting extents if - the new number of extents is less than the old number */ - udf_update_extents(inode, laarr, startnum, endnum, pbloc, pextoffset, &pbh); + of extents is greater than the old number, and deleting extents if + the new number of extents is less than the old number */ + udf_update_extents(inode, laarr, startnum, endnum, &prev_epos); - udf_release_data(pbh); + brelse(prev_epos.bh); if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum, UDF_I_LOCATION(inode).partitionReferenceNum, 0))) @@ -795,7 +921,7 @@ static void udf_merge_extents(struct inode *inode, static void udf_update_extents(struct inode *inode, kernel_long_ad laarr[EXTENT_MERGE_SIZE], int startnum, int endnum, - kernel_lb_addr pbloc, uint32_t pextoffset, struct buffer_head **pbh) + struct extent_position *epos) { int start = 0, i; kernel_lb_addr tmploc; @@ -804,28 +930,26 @@ static void udf_update_extents(struct inode *inode, if (startnum > endnum) { for (i=0; i<(startnum-endnum); i++) - { - udf_delete_aext(inode, pbloc, pextoffset, laarr[i].extLocation, - laarr[i].extLength, *pbh); - } + udf_delete_aext(inode, *epos, laarr[i].extLocation, + laarr[i].extLength); } else if (startnum < endnum) { for (i=0; i<(endnum-startnum); i++) { - udf_insert_aext(inode, pbloc, pextoffset, laarr[i].extLocation, - laarr[i].extLength, *pbh); - udf_next_aext(inode, &pbloc, &pextoffset, &laarr[i].extLocation, - &laarr[i].extLength, pbh, 1); + udf_insert_aext(inode, *epos, laarr[i].extLocation, + laarr[i].extLength); + udf_next_aext(inode, epos, &laarr[i].extLocation, + &laarr[i].extLength, 1); start ++; } } for (i=start; i<endnum; i++) { - udf_next_aext(inode, &pbloc, &pextoffset, &tmploc, &tmplen, pbh, 0); - udf_write_aext(inode, pbloc, &pextoffset, laarr[i].extLocation, - laarr[i].extLength, *pbh, 1); + udf_next_aext(inode, epos, &tmploc, &tmplen, 0); + udf_write_aext(inode, epos, laarr[i].extLocation, + laarr[i].extLength, 1); } } @@ -931,7 +1055,7 @@ __udf_read_inode(struct inode *inode) { printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n", inode->i_ino, ident); - udf_release_data(bh); + brelse(bh); make_bad_inode(inode); return; } @@ -960,35 +1084,36 @@ __udf_read_inode(struct inode *inode) ident == TAG_IDENT_EFE) { memcpy(&UDF_I_LOCATION(inode), &loc, sizeof(kernel_lb_addr)); - udf_release_data(bh); - udf_release_data(ibh); - udf_release_data(nbh); + brelse(bh); + brelse(ibh); + brelse(nbh); __udf_read_inode(inode); return; } else { - udf_release_data(nbh); - udf_release_data(ibh); + brelse(nbh); + brelse(ibh); } } else - udf_release_data(ibh); + brelse(ibh); } } else - udf_release_data(ibh); + brelse(ibh); } else if (le16_to_cpu(fe->icbTag.strategyType) != 4) { printk(KERN_ERR "udf: unsupported strategy type: %d\n", le16_to_cpu(fe->icbTag.strategyType)); - udf_release_data(bh); + brelse(bh); make_bad_inode(inode); return; } udf_fill_inode(inode, bh); - udf_release_data(bh); + + brelse(bh); } static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) @@ -1331,7 +1456,7 @@ udf_update_inode(struct inode *inode, int do_sync) use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i]; mark_buffer_dirty(bh); - udf_release_data(bh); + brelse(bh); return err; } @@ -1520,7 +1645,7 @@ udf_update_inode(struct inode *inode, int do_sync) err = -EIO; } } - udf_release_data(bh); + brelse(bh); return err; } @@ -1556,8 +1681,8 @@ udf_iget(struct super_block *sb, kernel_lb_addr ino) return NULL; } -int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, - kernel_lb_addr eloc, uint32_t elen, struct buffer_head **bh, int inc) +int8_t udf_add_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr eloc, uint32_t elen, int inc) { int adsize; short_ad *sad = NULL; @@ -1566,10 +1691,10 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, int8_t etype; uint8_t *ptr; - if (!*bh) - ptr = UDF_I_DATA(inode) + *extoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + if (!epos->bh) + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else - ptr = (*bh)->b_data + *extoffset; + ptr = epos->bh->b_data + epos->offset; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) adsize = sizeof(short_ad); @@ -1578,20 +1703,20 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, else return -1; - if (*extoffset + (2 * adsize) > inode->i_sb->s_blocksize) + if (epos->offset + (2 * adsize) > inode->i_sb->s_blocksize) { char *sptr, *dptr; struct buffer_head *nbh; int err, loffset; - kernel_lb_addr obloc = *bloc; + kernel_lb_addr obloc = epos->block; - if (!(bloc->logicalBlockNum = udf_new_block(inode->i_sb, NULL, + if (!(epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL, obloc.partitionReferenceNum, obloc.logicalBlockNum, &err))) { return -1; } if (!(nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb, - *bloc, 0)))) + epos->block, 0)))) { return -1; } @@ -1604,25 +1729,25 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, aed = (struct allocExtDesc *)(nbh->b_data); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum); - if (*extoffset + adsize > inode->i_sb->s_blocksize) + if (epos->offset + adsize > inode->i_sb->s_blocksize) { - loffset = *extoffset; + loffset = epos->offset; aed->lengthAllocDescs = cpu_to_le32(adsize); sptr = ptr - adsize; dptr = nbh->b_data + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); - *extoffset = sizeof(struct allocExtDesc) + adsize; + epos->offset = sizeof(struct allocExtDesc) + adsize; } else { - loffset = *extoffset + adsize; + loffset = epos->offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); sptr = ptr; - *extoffset = sizeof(struct allocExtDesc); + epos->offset = sizeof(struct allocExtDesc); - if (*bh) + if (epos->bh) { - aed = (struct allocExtDesc *)(*bh)->b_data; + aed = (struct allocExtDesc *)epos->bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } @@ -1634,10 +1759,10 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, } if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200) udf_new_tag(nbh->b_data, TAG_IDENT_AED, 3, 1, - bloc->logicalBlockNum, sizeof(tag)); + epos->block.logicalBlockNum, sizeof(tag)); else udf_new_tag(nbh->b_data, TAG_IDENT_AED, 2, 1, - bloc->logicalBlockNum, sizeof(tag)); + epos->block.logicalBlockNum, sizeof(tag)); switch (UDF_I_ALLOCTYPE(inode)) { case ICBTAG_FLAG_AD_SHORT: @@ -1646,7 +1771,7 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, sad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | inode->i_sb->s_blocksize); - sad->extPosition = cpu_to_le32(bloc->logicalBlockNum); + sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum); break; } case ICBTAG_FLAG_AD_LONG: @@ -1655,60 +1780,57 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, lad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | inode->i_sb->s_blocksize); - lad->extLocation = cpu_to_lelb(*bloc); + lad->extLocation = cpu_to_lelb(epos->block); memset(lad->impUse, 0x00, sizeof(lad->impUse)); break; } } - if (*bh) + if (epos->bh) { if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((*bh)->b_data, loffset); + udf_update_tag(epos->bh->b_data, loffset); else - udf_update_tag((*bh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(*bh, inode); - udf_release_data(*bh); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos->bh, inode); + brelse(epos->bh); } else mark_inode_dirty(inode); - *bh = nbh; + epos->bh = nbh; } - etype = udf_write_aext(inode, *bloc, extoffset, eloc, elen, *bh, inc); + etype = udf_write_aext(inode, epos, eloc, elen, inc); - if (!*bh) + if (!epos->bh) { UDF_I_LENALLOC(inode) += adsize; mark_inode_dirty(inode); } else { - aed = (struct allocExtDesc *)(*bh)->b_data; + aed = (struct allocExtDesc *)epos->bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((*bh)->b_data, *extoffset + (inc ? 0 : adsize)); + udf_update_tag(epos->bh->b_data, epos->offset + (inc ? 0 : adsize)); else - udf_update_tag((*bh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(*bh, inode); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos->bh, inode); } return etype; } -int8_t udf_write_aext(struct inode *inode, kernel_lb_addr bloc, int *extoffset, - kernel_lb_addr eloc, uint32_t elen, struct buffer_head *bh, int inc) +int8_t udf_write_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr eloc, uint32_t elen, int inc) { int adsize; uint8_t *ptr; - if (!bh) - ptr = UDF_I_DATA(inode) + *extoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + if (!epos->bh) + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else - { - ptr = bh->b_data + *extoffset; - atomic_inc(&bh->b_count); - } + ptr = epos->bh->b_data + epos->offset; switch (UDF_I_ALLOCTYPE(inode)) { @@ -1733,40 +1855,39 @@ int8_t udf_write_aext(struct inode *inode, kernel_lb_addr bloc, int *extoffset, return -1; } - if (bh) + if (epos->bh) { if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh)->b_data; - udf_update_tag((bh)->b_data, + struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data; + udf_update_tag(epos->bh->b_data, le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc)); } - mark_buffer_dirty_inode(bh, inode); - udf_release_data(bh); + mark_buffer_dirty_inode(epos->bh, inode); } else mark_inode_dirty(inode); if (inc) - *extoffset += adsize; + epos->offset += adsize; return (elen >> 30); } -int8_t udf_next_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, - kernel_lb_addr *eloc, uint32_t *elen, struct buffer_head **bh, int inc) +int8_t udf_next_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr *eloc, uint32_t *elen, int inc) { int8_t etype; - while ((etype = udf_current_aext(inode, bloc, extoffset, eloc, elen, bh, inc)) == + while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { - *bloc = *eloc; - *extoffset = sizeof(struct allocExtDesc); - udf_release_data(*bh); - if (!(*bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, *bloc, 0)))) + epos->block = *eloc; + epos->offset = sizeof(struct allocExtDesc); + brelse(epos->bh); + if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0)))) { udf_debug("reading block %d failed!\n", - udf_get_lb_pblock(inode->i_sb, *bloc, 0)); + udf_get_lb_pblock(inode->i_sb, epos->block, 0)); return -1; } } @@ -1774,26 +1895,26 @@ int8_t udf_next_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, return etype; } -int8_t udf_current_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, - kernel_lb_addr *eloc, uint32_t *elen, struct buffer_head **bh, int inc) +int8_t udf_current_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr *eloc, uint32_t *elen, int inc) { int alen; int8_t etype; uint8_t *ptr; - if (!*bh) + if (!epos->bh) { - if (!(*extoffset)) - *extoffset = udf_file_entry_alloc_offset(inode); - ptr = UDF_I_DATA(inode) + *extoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + if (!epos->offset) + epos->offset = udf_file_entry_alloc_offset(inode); + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); alen = udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode); } else { - if (!(*extoffset)) - *extoffset = sizeof(struct allocExtDesc); - ptr = (*bh)->b_data + *extoffset; - alen = sizeof(struct allocExtDesc) + le32_to_cpu(((struct allocExtDesc *)(*bh)->b_data)->lengthAllocDescs); + if (!epos->offset) + epos->offset = sizeof(struct allocExtDesc); + ptr = epos->bh->b_data + epos->offset; + alen = sizeof(struct allocExtDesc) + le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs); } switch (UDF_I_ALLOCTYPE(inode)) @@ -1802,7 +1923,7 @@ int8_t udf_current_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffse { short_ad *sad; - if (!(sad = udf_get_fileshortad(ptr, alen, extoffset, inc))) + if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc))) return -1; etype = le32_to_cpu(sad->extLength) >> 30; @@ -1815,7 +1936,7 @@ int8_t udf_current_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffse { long_ad *lad; - if (!(lad = udf_get_filelongad(ptr, alen, extoffset, inc))) + if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc))) return -1; etype = le32_to_cpu(lad->extLength) >> 30; @@ -1834,41 +1955,40 @@ int8_t udf_current_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffse } static int8_t -udf_insert_aext(struct inode *inode, kernel_lb_addr bloc, int extoffset, - kernel_lb_addr neloc, uint32_t nelen, struct buffer_head *bh) +udf_insert_aext(struct inode *inode, struct extent_position epos, + kernel_lb_addr neloc, uint32_t nelen) { kernel_lb_addr oeloc; uint32_t oelen; int8_t etype; - if (bh) - atomic_inc(&bh->b_count); + if (epos.bh) + get_bh(epos.bh); - while ((etype = udf_next_aext(inode, &bloc, &extoffset, &oeloc, &oelen, &bh, 0)) != -1) + while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) { - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 1); + udf_write_aext(inode, &epos, neloc, nelen, 1); neloc = oeloc; nelen = (etype << 30) | oelen; } - udf_add_aext(inode, &bloc, &extoffset, neloc, nelen, &bh, 1); - udf_release_data(bh); + udf_add_aext(inode, &epos, neloc, nelen, 1); + brelse(epos.bh); return (nelen >> 30); } -int8_t udf_delete_aext(struct inode *inode, kernel_lb_addr nbloc, int nextoffset, - kernel_lb_addr eloc, uint32_t elen, struct buffer_head *nbh) +int8_t udf_delete_aext(struct inode *inode, struct extent_position epos, + kernel_lb_addr eloc, uint32_t elen) { - struct buffer_head *obh; - kernel_lb_addr obloc; - int oextoffset, adsize; + struct extent_position oepos; + int adsize; int8_t etype; struct allocExtDesc *aed; - if (nbh) + if (epos.bh) { - atomic_inc(&nbh->b_count); - atomic_inc(&nbh->b_count); + get_bh(epos.bh); + get_bh(epos.bh); } if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) @@ -1878,80 +1998,77 @@ int8_t udf_delete_aext(struct inode *inode, kernel_lb_addr nbloc, int nextoffset else adsize = 0; - obh = nbh; - obloc = nbloc; - oextoffset = nextoffset; - - if (udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1) == -1) + oepos = epos; + if (udf_next_aext(inode, &epos, &eloc, &elen, 1) == -1) return -1; - while ((etype = udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1)) != -1) + while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) { - udf_write_aext(inode, obloc, &oextoffset, eloc, (etype << 30) | elen, obh, 1); - if (obh != nbh) + udf_write_aext(inode, &oepos, eloc, (etype << 30) | elen, 1); + if (oepos.bh != epos.bh) { - obloc = nbloc; - udf_release_data(obh); - atomic_inc(&nbh->b_count); - obh = nbh; - oextoffset = nextoffset - adsize; + oepos.block = epos.block; + brelse(oepos.bh); + get_bh(epos.bh); + oepos.bh = epos.bh; + oepos.offset = epos.offset - adsize; } } memset(&eloc, 0x00, sizeof(kernel_lb_addr)); elen = 0; - if (nbh != obh) + if (epos.bh != oepos.bh) { - udf_free_blocks(inode->i_sb, inode, nbloc, 0, 1); - udf_write_aext(inode, obloc, &oextoffset, eloc, elen, obh, 1); - udf_write_aext(inode, obloc, &oextoffset, eloc, elen, obh, 1); - if (!obh) + udf_free_blocks(inode->i_sb, inode, epos.block, 0, 1); + udf_write_aext(inode, &oepos, eloc, elen, 1); + udf_write_aext(inode, &oepos, eloc, elen, 1); + if (!oepos.bh) { UDF_I_LENALLOC(inode) -= (adsize * 2); mark_inode_dirty(inode); } else { - aed = (struct allocExtDesc *)(obh)->b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2*adsize)); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((obh)->b_data, oextoffset - (2*adsize)); + udf_update_tag(oepos.bh->b_data, oepos.offset - (2*adsize)); else - udf_update_tag((obh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(obh, inode); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(oepos.bh, inode); } } else { - udf_write_aext(inode, obloc, &oextoffset, eloc, elen, obh, 1); - if (!obh) + udf_write_aext(inode, &oepos, eloc, elen, 1); + if (!oepos.bh) { UDF_I_LENALLOC(inode) -= adsize; mark_inode_dirty(inode); } else { - aed = (struct allocExtDesc *)(obh)->b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - adsize); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((obh)->b_data, oextoffset - adsize); + udf_update_tag(oepos.bh->b_data, epos.offset - adsize); else - udf_update_tag((obh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(obh, inode); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(oepos.bh, inode); } } - udf_release_data(nbh); - udf_release_data(obh); + brelse(epos.bh); + brelse(oepos.bh); return (elen >> 30); } -int8_t inode_bmap(struct inode *inode, int block, kernel_lb_addr *bloc, uint32_t *extoffset, - kernel_lb_addr *eloc, uint32_t *elen, uint32_t *offset, struct buffer_head **bh) +int8_t inode_bmap(struct inode *inode, sector_t block, struct extent_position *pos, + kernel_lb_addr *eloc, uint32_t *elen, sector_t *offset) { - uint64_t lbcount = 0, bcount = (uint64_t)block << inode->i_sb->s_blocksize_bits; + loff_t lbcount = 0, bcount = (loff_t)block << inode->i_sb->s_blocksize_bits; int8_t etype; if (block < 0) @@ -1960,42 +2077,44 @@ int8_t inode_bmap(struct inode *inode, int block, kernel_lb_addr *bloc, uint32_t return -1; } - *extoffset = 0; + pos->offset = 0; + pos->block = UDF_I_LOCATION(inode); + pos->bh = NULL; *elen = 0; - *bloc = UDF_I_LOCATION(inode); do { - if ((etype = udf_next_aext(inode, bloc, extoffset, eloc, elen, bh, 1)) == -1) + if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) { - *offset = bcount - lbcount; + *offset = (bcount - lbcount) >> inode->i_sb->s_blocksize_bits; UDF_I_LENEXTENTS(inode) = lbcount; return -1; } lbcount += *elen; } while (lbcount <= bcount); - *offset = bcount + *elen - lbcount; + *offset = (bcount + *elen - lbcount) >> inode->i_sb->s_blocksize_bits; return etype; } -long udf_block_map(struct inode *inode, long block) +long udf_block_map(struct inode *inode, sector_t block) { - kernel_lb_addr eloc, bloc; - uint32_t offset, extoffset, elen; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0}}; int ret; lock_kernel(); - if (inode_bmap(inode, block, &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) - ret = udf_get_lb_pblock(inode->i_sb, eloc, offset >> inode->i_sb->s_blocksize_bits); + if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) + ret = udf_get_lb_pblock(inode->i_sb, eloc, offset); else ret = 0; unlock_kernel(); - udf_release_data(bh); + brelse(epos.bh); if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_VARCONV)) return udf_fixed_to_variable(ret); diff --git a/fs/udf/misc.c b/fs/udf/misc.c index cc8ca32..a2b2a98 100644 --- a/fs/udf/misc.c +++ b/fs/udf/misc.c @@ -274,12 +274,6 @@ udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc, uint32_t offset, ui loc.logicalBlockNum + offset, ident); } -void udf_release_data(struct buffer_head *bh) -{ - if (bh) - brelse(bh); -} - void udf_update_tag(char *data, int length) { tag *tptr = (tag *)data; diff --git a/fs/udf/namei.c b/fs/udf/namei.c index fe361cd..91df492 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -155,9 +155,10 @@ udf_find_entry(struct inode *dir, struct dentry *dentry, uint8_t lfi; uint16_t liu; loff_t size; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0}}; size = (udf_ext0_offset(dir) + dir->i_size) >> 2; f_pos = (udf_ext0_offset(dir) >> 2); @@ -166,42 +167,41 @@ udf_find_entry(struct inode *dir, struct dentry *dentry, if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh->sbh = fibh->ebh = NULL; else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); return NULL; } } else { - udf_release_data(bh); + brelse(epos.bh); return NULL; } while ( (f_pos < size) ) { - fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); return NULL; } @@ -247,15 +247,15 @@ udf_find_entry(struct inode *dir, struct dentry *dentry, { if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { - udf_release_data(bh); + brelse(epos.bh); return fi; } } } if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); return NULL; } @@ -321,8 +321,8 @@ udf_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) if (udf_find_entry(dir, dentry, &fibh, &cfi)) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); inode = udf_iget(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation)); if ( !inode ) @@ -353,9 +353,10 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, uint8_t lfi; uint16_t liu; int block; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0 }}; sb = dir->i_sb; @@ -384,23 +385,22 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh->sbh = fibh->ebh = NULL; else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); *err = -EIO; return NULL; } @@ -418,14 +418,14 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, while ( (f_pos < size) ) { - fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); *err = -EIO; return NULL; } @@ -455,7 +455,7 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, { if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen) { - udf_release_data(bh); + brelse(epos.bh); cfi->descTag.tagSerialNum = cpu_to_le16(1); cfi->fileVersionNum = cpu_to_le16(1); cfi->fileCharacteristics = 0; @@ -478,9 +478,9 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); *err = -EEXIST; return NULL; } @@ -492,25 +492,25 @@ add: if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB && sb->s_blocksize - fibh->eoffset < nfidlen) { - udf_release_data(bh); - bh = NULL; + brelse(epos.bh); + epos.bh = NULL; fibh->soffset -= udf_ext0_offset(dir); fibh->eoffset -= udf_ext0_offset(dir); f_pos -= (udf_ext0_offset(dir) >> 2); if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); + brelse(fibh->ebh); + brelse(fibh->sbh); if (!(fibh->sbh = fibh->ebh = udf_expand_dir_adinicb(dir, &block, err))) return NULL; - bloc = UDF_I_LOCATION(dir); + epos.block = UDF_I_LOCATION(dir); eloc.logicalBlockNum = block; eloc.partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; elen = dir->i_sb->s_blocksize; - extoffset = udf_file_entry_alloc_offset(dir); + epos.offset = udf_file_entry_alloc_offset(dir); if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset += sizeof(short_ad); + epos.offset += sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset += sizeof(long_ad); + epos.offset += sizeof(long_ad); } if (sb->s_blocksize - fibh->eoffset >= nfidlen) @@ -519,7 +519,7 @@ add: fibh->eoffset += nfidlen; if (fibh->sbh != fibh->ebh) { - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; } @@ -541,7 +541,7 @@ add: fibh->eoffset += nfidlen - sb->s_blocksize; if (fibh->sbh != fibh->ebh) { - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; } @@ -550,14 +550,14 @@ add: if (!(fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err))) { - udf_release_data(bh); - udf_release_data(fibh->sbh); + brelse(epos.bh); + brelse(fibh->sbh); return NULL; } if (!(fibh->soffset)) { - if (udf_next_aext(dir, &bloc, &extoffset, &eloc, &elen, &bh, 1) == + if (udf_next_aext(dir, &epos, &eloc, &elen, 1) == (EXT_RECORDED_ALLOCATED >> 30)) { block = eloc.logicalBlockNum + ((elen - 1) >> @@ -566,7 +566,7 @@ add: else block ++; - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; fi = (struct fileIdentDesc *)(fibh->sbh->b_data); } @@ -587,7 +587,7 @@ add: cfi->lengthOfImpUse = cpu_to_le16(0); if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) { - udf_release_data(bh); + brelse(epos.bh); dir->i_size += nfidlen; if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) UDF_I_LENALLOC(dir) += nfidlen; @@ -596,10 +596,10 @@ add: } else { - udf_release_data(bh); + brelse(epos.bh); if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); + brelse(fibh->ebh); + brelse(fibh->sbh); *err = -EIO; return NULL; } @@ -656,8 +656,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct mark_inode_dirty(dir); } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); unlock_kernel(); d_instantiate(dentry, inode); return 0; @@ -701,8 +701,8 @@ static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t mark_inode_dirty(inode); if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); d_instantiate(dentry, inode); err = 0; out: @@ -743,7 +743,7 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode) cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL); cfi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT; udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL); - udf_release_data(fibh.sbh); + brelse(fibh.sbh); inode->i_mode = S_IFDIR | mode; if (dir->i_mode & S_ISGID) inode->i_mode |= S_ISGID; @@ -766,8 +766,8 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode) mark_inode_dirty(dir); d_instantiate(dentry, inode); if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); err = 0; out: unlock_kernel(); @@ -781,9 +781,10 @@ static int empty_dir(struct inode *dir) loff_t f_pos; loff_t size = (udf_ext0_offset(dir) + dir->i_size) >> 2; int block; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0}}; f_pos = (udf_ext0_offset(dir) >> 2); @@ -792,59 +793,58 @@ static int empty_dir(struct inode *dir) if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh.sbh = fibh.ebh = NULL; else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); return 0; } } else { - udf_release_data(bh); + brelse(epos.bh); return 0; } while ( (f_pos < size) ) { - fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } if (cfi.lengthFileIdent && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 1; } @@ -878,14 +878,14 @@ static int udf_rmdir(struct inode * dir, struct dentry * dentry) inode->i_nlink); clear_nlink(inode); inode->i_size = 0; - inode_dec_link_count(inode); + inode_dec_link_count(dir); inode->i_ctime = dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); mark_inode_dirty(dir); end_rmdir: if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); out: unlock_kernel(); return retval; @@ -928,8 +928,8 @@ static int udf_unlink(struct inode * dir, struct dentry * dentry) end_unlink: if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); out: unlock_kernel(); return retval; @@ -941,7 +941,7 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * struct pathComponent *pc; char *compstart; struct udf_fileident_bh fibh; - struct buffer_head *bh = NULL; + struct extent_position epos = { NULL, 0, {0, 0}}; int eoffset, elen = 0; struct fileIdentDesc *fi; struct fileIdentDesc cfi; @@ -961,33 +961,33 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * if (UDF_I_ALLOCTYPE(inode) != ICBTAG_FLAG_AD_IN_ICB) { - struct buffer_head *bh = NULL; - kernel_lb_addr bloc, eloc; - uint32_t elen, extoffset; + kernel_lb_addr eloc; + uint32_t elen; block = udf_new_block(inode->i_sb, inode, UDF_I_LOCATION(inode).partitionReferenceNum, UDF_I_LOCATION(inode).logicalBlockNum, &err); if (!block) goto out_no_entry; - bloc = UDF_I_LOCATION(inode); + epos.block = UDF_I_LOCATION(inode); + epos.offset = udf_file_entry_alloc_offset(inode); + epos.bh = NULL; eloc.logicalBlockNum = block; eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_sb->s_blocksize; UDF_I_LENEXTENTS(inode) = elen; - extoffset = udf_file_entry_alloc_offset(inode); - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &bh, 0); - udf_release_data(bh); + udf_add_aext(inode, &epos, eloc, elen, 0); + brelse(epos.bh); block = udf_get_pblock(inode->i_sb, block, UDF_I_LOCATION(inode).partitionReferenceNum, 0); - bh = udf_tread(inode->i_sb, block); - lock_buffer(bh); - memset(bh->b_data, 0x00, inode->i_sb->s_blocksize); - set_buffer_uptodate(bh); - unlock_buffer(bh); - mark_buffer_dirty_inode(bh, inode); - ea = bh->b_data + udf_ext0_offset(inode); + epos.bh = udf_tread(inode->i_sb, block); + lock_buffer(epos.bh); + memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize); + set_buffer_uptodate(epos.bh); + unlock_buffer(epos.bh); + mark_buffer_dirty_inode(epos.bh, inode); + ea = epos.bh->b_data + udf_ext0_offset(inode); } else ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); @@ -1060,7 +1060,7 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * } } - udf_release_data(bh); + brelse(epos.bh); inode->i_size = elen; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) UDF_I_LENALLOC(inode) = inode->i_size; @@ -1089,8 +1089,8 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * mark_inode_dirty(dir); } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); d_instantiate(dentry, inode); err = 0; @@ -1145,8 +1145,8 @@ static int udf_link(struct dentry * old_dentry, struct inode * dir, mark_inode_dirty(dir); } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); inc_nlink(inode); inode->i_ctime = current_fs_time(inode->i_sb); mark_inode_dirty(inode); @@ -1174,8 +1174,8 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry, if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi))) { if (ofibh.sbh != ofibh.ebh) - udf_release_data(ofibh.ebh); - udf_release_data(ofibh.sbh); + brelse(ofibh.ebh); + brelse(ofibh.sbh); } tloc = lelb_to_cpu(ocfi.icb.extLocation); if (!ofi || udf_get_lb_pblock(old_dir->i_sb, tloc, 0) @@ -1188,8 +1188,8 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry, if (!new_inode) { if (nfibh.sbh != nfibh.ebh) - udf_release_data(nfibh.ebh); - udf_release_data(nfibh.sbh); + brelse(nfibh.ebh); + brelse(nfibh.sbh); nfi = NULL; } } @@ -1290,19 +1290,19 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry, if (ofi) { if (ofibh.sbh != ofibh.ebh) - udf_release_data(ofibh.ebh); - udf_release_data(ofibh.sbh); + brelse(ofibh.ebh); + brelse(ofibh.sbh); } retval = 0; end_rename: - udf_release_data(dir_bh); + brelse(dir_bh); if (nfi) { if (nfibh.sbh != nfibh.ebh) - udf_release_data(nfibh.ebh); - udf_release_data(nfibh.sbh); + brelse(nfibh.ebh); + brelse(nfibh.sbh); } unlock_kernel(); return retval; diff --git a/fs/udf/partition.c b/fs/udf/partition.c index dabf2b8..467a261 100644 --- a/fs/udf/partition.c +++ b/fs/udf/partition.c @@ -81,7 +81,7 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block, uint16_t loc = le32_to_cpu(((__le32 *)bh->b_data)[index]); - udf_release_data(bh); + brelse(bh); if (UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum == partition) { diff --git a/fs/udf/super.c b/fs/udf/super.c index 023b304..9b8644a 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -563,7 +563,7 @@ udf_vrs(struct super_block *sb, int silent) if (vsd->stdIdent[0] == 0) { - udf_release_data(bh); + brelse(bh); break; } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) @@ -596,7 +596,7 @@ udf_vrs(struct super_block *sb, int silent) } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) { - udf_release_data(bh); + brelse(bh); break; } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) @@ -607,7 +607,7 @@ udf_vrs(struct super_block *sb, int silent) { nsr03 = sector; } - udf_release_data(bh); + brelse(bh); } if (nsr03) @@ -673,7 +673,7 @@ udf_find_anchor(struct super_block *sb) { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); } if (ident == TAG_IDENT_AVDP) @@ -708,7 +708,7 @@ udf_find_anchor(struct super_block *sb) { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); } if (ident == TAG_IDENT_AVDP && @@ -727,7 +727,7 @@ udf_find_anchor(struct super_block *sb) { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); } if (ident == TAG_IDENT_AVDP && @@ -749,7 +749,7 @@ udf_find_anchor(struct super_block *sb) { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); if (ident == TAG_IDENT_AVDP && location == 256) UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); @@ -766,7 +766,7 @@ udf_find_anchor(struct super_block *sb) } else { - udf_release_data(bh); + brelse(bh); if ((ident != TAG_IDENT_AVDP) && (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) { @@ -795,7 +795,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr return 1; else if (ident != TAG_IDENT_FSD) { - udf_release_data(bh); + brelse(bh); return 1; } @@ -834,7 +834,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr newfileset.logicalBlockNum += 1 + ((le32_to_cpu(sp->numOfBytes) + sizeof(struct spaceBitmapDesc) - 1) >> sb->s_blocksize_bits); - udf_release_data(bh); + brelse(bh); break; } case TAG_IDENT_FSD: @@ -845,7 +845,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr default: { newfileset.logicalBlockNum ++; - udf_release_data(bh); + brelse(bh); bh = NULL; break; } @@ -865,7 +865,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum; udf_load_fileset(sb, bh, root); - udf_release_data(bh); + brelse(bh); return 0; } return 1; @@ -1083,7 +1083,7 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_a if (ident != 0 || strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) { - udf_release_data(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]); + brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]); UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL; } } @@ -1137,12 +1137,12 @@ udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc) udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt)); if (UDF_SB_LVIDBH(sb) != bh) - udf_release_data(bh); + brelse(bh); loc.extLength -= sb->s_blocksize; loc.extLocation ++; } if (UDF_SB_LVIDBH(sb) != bh) - udf_release_data(bh); + brelse(bh); } /* @@ -1245,7 +1245,7 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_ done = 1; break; } - udf_release_data(bh); + brelse(bh); } for (i=0; i<VDS_POS_LENGTH; i++) { @@ -1267,10 +1267,10 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_ gd = (struct generic_desc *)bh2->b_data; if (ident == TAG_IDENT_PD) udf_load_partdesc(sb, bh2); - udf_release_data(bh2); + brelse(bh2); } } - udf_release_data(bh); + brelse(bh); } } @@ -1333,7 +1333,7 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) reserve_e = reserve_e >> sb->s_blocksize_bits; reserve_e += reserve_s; - udf_release_data(bh); + brelse(bh); /* Process the main & reserve sequences */ /* responsible for finding the PartitionDesc(s) */ @@ -1403,12 +1403,14 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) pos = udf_block_map(UDF_SB_VAT(sb), 0); bh = sb_bread(sb, pos); + if (!bh) + return 1; UDF_SB_TYPEVIRT(sb,i).s_start_offset = le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data + udf_ext0_offset(UDF_SB_VAT(sb)))->lengthHeader) + udf_ext0_offset(UDF_SB_VAT(sb)); UDF_SB_TYPEVIRT(sb,i).s_num_entries = (UDF_SB_VAT(sb)->i_size - UDF_SB_TYPEVIRT(sb,i).s_start_offset) >> 2; - udf_release_data(bh); + brelse(bh); } UDF_SB_PARTROOT(sb,i) = udf_get_pblock(sb, 0, i, 0); UDF_SB_PARTLEN(sb,i) = UDF_SB_PARTLEN(sb,ino.partitionReferenceNum); @@ -1661,7 +1663,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) iput(inode); goto error_out; } - sb->s_maxbytes = 1<<30; + sb->s_maxbytes = MAX_LFS_FILESIZE; return 0; error_out: @@ -1680,7 +1682,7 @@ error_out: if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i=0; i<4; i++) - udf_release_data(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); + brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); } } #ifdef CONFIG_UDF_NLS @@ -1689,7 +1691,7 @@ error_out: #endif if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); - udf_release_data(UDF_SB_LVIDBH(sb)); + brelse(UDF_SB_LVIDBH(sb)); UDF_SB_FREE(sb); kfree(sbi); sb->s_fs_info = NULL; @@ -1758,7 +1760,7 @@ udf_put_super(struct super_block *sb) if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i=0; i<4; i++) - udf_release_data(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); + brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); } } #ifdef CONFIG_UDF_NLS @@ -1767,7 +1769,7 @@ udf_put_super(struct super_block *sb) #endif if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); - udf_release_data(UDF_SB_LVIDBH(sb)); + brelse(UDF_SB_LVIDBH(sb)); UDF_SB_FREE(sb); kfree(sb->s_fs_info); sb->s_fs_info = NULL; @@ -1837,7 +1839,7 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) } else if (ident != TAG_IDENT_SBD) { - udf_release_data(bh); + brelse(bh); printk(KERN_ERR "udf: udf_count_free failed\n"); goto out; } @@ -1859,7 +1861,7 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) } if ( bytes ) { - udf_release_data(bh); + brelse(bh); newblock = udf_get_lb_pblock(sb, loc, ++block); bh = udf_tread(sb, newblock); if (!bh) @@ -1871,7 +1873,7 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) ptr = (uint8_t *)bh->b_data; } } - udf_release_data(bh); + brelse(bh); out: unlock_kernel(); @@ -1883,21 +1885,20 @@ static unsigned int udf_count_free_table(struct super_block *sb, struct inode * table) { unsigned int accum = 0; - uint32_t extoffset, elen; - kernel_lb_addr bloc, eloc; + uint32_t elen; + kernel_lb_addr eloc; int8_t etype; - struct buffer_head *bh = NULL; + struct extent_position epos; lock_kernel(); - bloc = UDF_I_LOCATION(table); - extoffset = sizeof(struct unallocSpaceEntry); + epos.block = UDF_I_LOCATION(table); + epos.offset = sizeof(struct unallocSpaceEntry); + epos.bh = NULL; - while ((etype = udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) - { + while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) accum += (elen >> table->i_sb->s_blocksize_bits); - } - udf_release_data(bh); + brelse(epos.bh); unlock_kernel(); diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c index ba068a7..12613b6 100644 --- a/fs/udf/symlink.c +++ b/fs/udf/symlink.c @@ -95,7 +95,7 @@ static int udf_symlink_filler(struct file *file, struct page *page) } udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p); - udf_release_data(bh); + brelse(bh); unlock_kernel(); SetPageUptodate(page); diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index 0abd66c..77975ae 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -28,8 +28,8 @@ #include "udf_i.h" #include "udf_sb.h" -static void extent_trunc(struct inode * inode, kernel_lb_addr bloc, int extoffset, - kernel_lb_addr eloc, int8_t etype, uint32_t elen, struct buffer_head *bh, uint32_t nelen) +static void extent_trunc(struct inode * inode, struct extent_position *epos, + kernel_lb_addr eloc, int8_t etype, uint32_t elen, uint32_t nelen) { kernel_lb_addr neloc = { 0, 0 }; int last_block = (elen + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits; @@ -49,7 +49,7 @@ static void extent_trunc(struct inode * inode, kernel_lb_addr bloc, int extoffse if (elen != nelen) { - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 0); + udf_write_aext(inode, epos, neloc, nelen, 0); if (last_block - first_block > 0) { if (etype == (EXT_RECORDED_ALLOCATED >> 30)) @@ -63,18 +63,16 @@ static void extent_trunc(struct inode * inode, kernel_lb_addr bloc, int extoffse void udf_discard_prealloc(struct inode * inode) { - kernel_lb_addr bloc, eloc; - uint32_t extoffset = 0, elen, nelen; + struct extent_position epos = { NULL, 0, {0, 0}}; + kernel_lb_addr eloc; + uint32_t elen, nelen; uint64_t lbcount = 0; int8_t etype = -1, netype; - struct buffer_head *bh = NULL; int adsize; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB || inode->i_size == UDF_I_LENEXTENTS(inode)) - { return; - } if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) adsize = sizeof(short_ad); @@ -83,52 +81,58 @@ void udf_discard_prealloc(struct inode * inode) else adsize = 0; - bloc = UDF_I_LOCATION(inode); + epos.block = UDF_I_LOCATION(inode); - while ((netype = udf_next_aext(inode, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) + /* Find the last extent in the file */ + while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) { etype = netype; lbcount += elen; - if (lbcount > inode->i_size && lbcount - inode->i_size < inode->i_sb->s_blocksize) + if (lbcount > inode->i_size && lbcount - elen < inode->i_size) { + WARN_ON(lbcount - inode->i_size >= inode->i_sb->s_blocksize); nelen = elen - (lbcount - inode->i_size); - extent_trunc(inode, bloc, extoffset-adsize, eloc, etype, elen, bh, nelen); + epos.offset -= adsize; + extent_trunc(inode, &epos, eloc, etype, elen, nelen); + epos.offset += adsize; lbcount = inode->i_size; } } - if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) - { - extoffset -= adsize; + if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { + epos.offset -= adsize; lbcount -= elen; - extent_trunc(inode, bloc, extoffset, eloc, etype, elen, bh, 0); - if (!bh) + extent_trunc(inode, &epos, eloc, etype, elen, 0); + if (!epos.bh) { - UDF_I_LENALLOC(inode) = extoffset - udf_file_entry_alloc_offset(inode); + UDF_I_LENALLOC(inode) = epos.offset - udf_file_entry_alloc_offset(inode); mark_inode_dirty(inode); } else { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh->b_data); - aed->lengthAllocDescs = cpu_to_le32(extoffset - sizeof(struct allocExtDesc)); + struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); + aed->lengthAllocDescs = cpu_to_le32(epos.offset - sizeof(struct allocExtDesc)); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(bh->b_data, extoffset); + udf_update_tag(epos.bh->b_data, epos.offset); else - udf_update_tag(bh->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(bh, inode); + udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } UDF_I_LENEXTENTS(inode) = lbcount; - udf_release_data(bh); + WARN_ON(lbcount != inode->i_size); + brelse(epos.bh); } void udf_truncate_extents(struct inode * inode) { - kernel_lb_addr bloc, eloc, neloc = { 0, 0 }; - uint32_t extoffset, elen, offset, nelen = 0, lelen = 0, lenalloc; + struct extent_position epos; + kernel_lb_addr eloc, neloc = { 0, 0 }; + uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc; int8_t etype; - int first_block = inode->i_size >> inode->i_sb->s_blocksize_bits; - struct buffer_head *bh = NULL; + struct super_block *sb = inode->i_sb; + sector_t first_block = inode->i_size >> sb->s_blocksize_bits, offset; + loff_t byte_offset; int adsize; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) @@ -136,158 +140,130 @@ void udf_truncate_extents(struct inode * inode) else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG) adsize = sizeof(long_ad); else - adsize = 0; + BUG(); - etype = inode_bmap(inode, first_block, &bloc, &extoffset, &eloc, &elen, &offset, &bh); - offset += (inode->i_size & (inode->i_sb->s_blocksize - 1)); + etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset); + byte_offset = (offset << sb->s_blocksize_bits) + (inode->i_size & (sb->s_blocksize-1)); if (etype != -1) { - extoffset -= adsize; - extent_trunc(inode, bloc, extoffset, eloc, etype, elen, bh, offset); - extoffset += adsize; - - if (offset) - lenalloc = extoffset; + epos.offset -= adsize; + extent_trunc(inode, &epos, eloc, etype, elen, byte_offset); + epos.offset += adsize; + if (byte_offset) + lenalloc = epos.offset; else - lenalloc = extoffset - adsize; + lenalloc = epos.offset - adsize; - if (!bh) + if (!epos.bh) lenalloc -= udf_file_entry_alloc_offset(inode); else lenalloc -= sizeof(struct allocExtDesc); - while ((etype = udf_current_aext(inode, &bloc, &extoffset, &eloc, &elen, &bh, 0)) != -1) + while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1) { if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 0); - extoffset = 0; - if (lelen) + udf_write_aext(inode, &epos, neloc, nelen, 0); + if (indirect_ext_len) { - if (!bh) + /* We managed to free all extents in the + * indirect extent - free it too */ + if (!epos.bh) BUG(); - else - memset(bh->b_data, 0x00, sizeof(struct allocExtDesc)); - udf_free_blocks(inode->i_sb, inode, bloc, 0, lelen); + udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len); } else { - if (!bh) + if (!epos.bh) { UDF_I_LENALLOC(inode) = lenalloc; mark_inode_dirty(inode); } else { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh->b_data); + struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(bh->b_data, lenalloc + + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201) + udf_update_tag(epos.bh->b_data, lenalloc + sizeof(struct allocExtDesc)); else - udf_update_tag(bh->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(bh, inode); + udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } - - udf_release_data(bh); - extoffset = sizeof(struct allocExtDesc); - bloc = eloc; - bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, bloc, 0)); + brelse(epos.bh); + epos.offset = sizeof(struct allocExtDesc); + epos.block = eloc; + epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, eloc, 0)); if (elen) - lelen = (elen + inode->i_sb->s_blocksize - 1) >> - inode->i_sb->s_blocksize_bits; + indirect_ext_len = (elen + + sb->s_blocksize - 1) >> + sb->s_blocksize_bits; else - lelen = 1; + indirect_ext_len = 1; } else { - extent_trunc(inode, bloc, extoffset, eloc, etype, elen, bh, 0); - extoffset += adsize; + extent_trunc(inode, &epos, eloc, etype, elen, 0); + epos.offset += adsize; } } - if (lelen) + if (indirect_ext_len) { - if (!bh) + if (!epos.bh) BUG(); - else - memset(bh->b_data, 0x00, sizeof(struct allocExtDesc)); - udf_free_blocks(inode->i_sb, inode, bloc, 0, lelen); + udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len); } else { - if (!bh) + if (!epos.bh) { UDF_I_LENALLOC(inode) = lenalloc; mark_inode_dirty(inode); } else { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh->b_data); + struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(bh->b_data, lenalloc + + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201) + udf_update_tag(epos.bh->b_data, lenalloc + sizeof(struct allocExtDesc)); else - udf_update_tag(bh->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(bh, inode); + udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } } else if (inode->i_size) { - if (offset) + if (byte_offset) { + kernel_long_ad extent; + /* * OK, there is not extent covering inode->i_size and * no extent above inode->i_size => truncate is - * extending the file by 'offset'. + * extending the file by 'offset' blocks. */ - if ((!bh && extoffset == udf_file_entry_alloc_offset(inode)) || - (bh && extoffset == sizeof(struct allocExtDesc))) { - /* File has no extents at all! */ - memset(&eloc, 0x00, sizeof(kernel_lb_addr)); - elen = EXT_NOT_RECORDED_NOT_ALLOCATED | offset; - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &bh, 1); + if ((!epos.bh && epos.offset == udf_file_entry_alloc_offset(inode)) || + (epos.bh && epos.offset == sizeof(struct allocExtDesc))) { + /* File has no extents at all or has empty last + * indirect extent! Create a fake extent... */ + extent.extLocation.logicalBlockNum = 0; + extent.extLocation.partitionReferenceNum = 0; + extent.extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; } else { - extoffset -= adsize; - etype = udf_next_aext(inode, &bloc, &extoffset, &eloc, &elen, &bh, 1); - if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) - { - extoffset -= adsize; - elen = EXT_NOT_RECORDED_NOT_ALLOCATED | (elen + offset); - udf_write_aext(inode, bloc, &extoffset, eloc, elen, bh, 0); - } - else if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) - { - kernel_lb_addr neloc = { 0, 0 }; - extoffset -= adsize; - nelen = EXT_NOT_RECORDED_NOT_ALLOCATED | - ((elen + offset + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 1); - udf_add_aext(inode, &bloc, &extoffset, eloc, (etype << 30) | elen, &bh, 1); - } - else - { - if (elen & (inode->i_sb->s_blocksize - 1)) - { - extoffset -= adsize; - elen = EXT_RECORDED_ALLOCATED | - ((elen + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); - udf_write_aext(inode, bloc, &extoffset, eloc, elen, bh, 1); - } - memset(&eloc, 0x00, sizeof(kernel_lb_addr)); - elen = EXT_NOT_RECORDED_NOT_ALLOCATED | offset; - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &bh, 1); - } + epos.offset -= adsize; + etype = udf_next_aext(inode, &epos, + &extent.extLocation, &extent.extLength, 0); + extent.extLength |= etype << 30; } + udf_extend_file(inode, &epos, &extent, offset+((inode->i_size & (sb->s_blocksize-1)) != 0)); } } UDF_I_LENEXTENTS(inode) = inode->i_size; - udf_release_data(bh); + brelse(epos.bh); } diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h index 110f8d6..3b2e6c8 100644 --- a/fs/udf/udf_sb.h +++ b/fs/udf/udf_sb.h @@ -93,7 +93,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) for (i=0; i<nr_groups; i++)\ {\ if (UDF_SB_BITMAP(X,Y,Z,i))\ - udf_release_data(UDF_SB_BITMAP(X,Y,Z,i));\ + brelse(UDF_SB_BITMAP(X,Y,Z,i));\ }\ if (size <= PAGE_SIZE)\ kfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\ diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index ee1dece..67ded28 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -77,6 +77,13 @@ struct ustr uint8_t u_len; }; +struct extent_position { + struct buffer_head *bh; + uint32_t offset; + kernel_lb_addr block; +}; + + /* super.c */ extern void udf_error(struct super_block *, const char *, const char *, ...); extern void udf_warning(struct super_block *, const char *, const char *, ...); @@ -98,13 +105,14 @@ extern void udf_read_inode(struct inode *); extern void udf_delete_inode(struct inode *); extern void udf_clear_inode(struct inode *); extern int udf_write_inode(struct inode *, int); -extern long udf_block_map(struct inode *, long); -extern int8_t inode_bmap(struct inode *, int, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **); -extern int8_t udf_add_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr, uint32_t, struct buffer_head **, int); -extern int8_t udf_write_aext(struct inode *, kernel_lb_addr, int *, kernel_lb_addr, uint32_t, struct buffer_head *, int); -extern int8_t udf_delete_aext(struct inode *, kernel_lb_addr, int, kernel_lb_addr, uint32_t, struct buffer_head *); -extern int8_t udf_next_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int); -extern int8_t udf_current_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int); +extern long udf_block_map(struct inode *, sector_t); +extern int udf_extend_file(struct inode *, struct extent_position *, kernel_long_ad *, sector_t); +extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); +extern int8_t udf_add_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); +extern int8_t udf_write_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); +extern int8_t udf_delete_aext(struct inode *, struct extent_position, kernel_lb_addr, uint32_t); +extern int8_t udf_next_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); +extern int8_t udf_current_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); /* misc.c */ extern struct buffer_head *udf_tgetblk(struct super_block *, int); @@ -113,7 +121,6 @@ extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t); extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *); extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *); -extern void udf_release_data(struct buffer_head *); extern void udf_update_tag(char *, int); extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); @@ -151,7 +158,7 @@ extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_ extern int udf_fsync_file(struct file *, struct dentry *, int); /* directory.c */ -extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **); +extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset); extern long_ad * udf_get_filelongad(uint8_t *, int, int *, int); extern short_ad * udf_get_fileshortad(uint8_t *, int, int *, int); diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index 4fb8b2e..1544521 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -19,7 +19,6 @@ #include <linux/time.h> #include <linux/fs.h> #include <linux/ufs_fs.h> -#include <linux/smp_lock.h> #include "swab.h" #include "util.h" diff --git a/fs/utimes.c b/fs/utimes.c index 99cf2cb..480f7c8 100644 --- a/fs/utimes.c +++ b/fs/utimes.c @@ -1,8 +1,10 @@ #include <linux/compiler.h> +#include <linux/file.h> #include <linux/fs.h> #include <linux/linkage.h> #include <linux/namei.h> #include <linux/sched.h> +#include <linux/stat.h> #include <linux/utime.h> #include <asm/uaccess.h> #include <asm/unistd.h> @@ -20,54 +22,18 @@ * must be owner or have write permission. * Else, update from *times, must be owner or super user. */ -asmlinkage long sys_utime(char __user * filename, struct utimbuf __user * times) +asmlinkage long sys_utime(char __user *filename, struct utimbuf __user *times) { - int error; - struct nameidata nd; - struct inode * inode; - struct iattr newattrs; + struct timespec tv[2]; - error = user_path_walk(filename, &nd); - if (error) - goto out; - inode = nd.dentry->d_inode; - - error = -EROFS; - if (IS_RDONLY(inode)) - goto dput_and_out; - - /* Don't worry, the checks are done in inode_change_ok() */ - newattrs.ia_valid = ATTR_CTIME | ATTR_MTIME | ATTR_ATIME; if (times) { - error = -EPERM; - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) - goto dput_and_out; - - error = get_user(newattrs.ia_atime.tv_sec, ×->actime); - newattrs.ia_atime.tv_nsec = 0; - if (!error) - error = get_user(newattrs.ia_mtime.tv_sec, ×->modtime); - newattrs.ia_mtime.tv_nsec = 0; - if (error) - goto dput_and_out; - - newattrs.ia_valid |= ATTR_ATIME_SET | ATTR_MTIME_SET; - } else { - error = -EACCES; - if (IS_IMMUTABLE(inode)) - goto dput_and_out; - - if (current->fsuid != inode->i_uid && - (error = vfs_permission(&nd, MAY_WRITE)) != 0) - goto dput_and_out; + if (get_user(tv[0].tv_sec, ×->actime) || + get_user(tv[1].tv_sec, ×->modtime)) + return -EFAULT; + tv[0].tv_nsec = 0; + tv[1].tv_nsec = 0; } - mutex_lock(&inode->i_mutex); - error = notify_change(nd.dentry, &newattrs); - mutex_unlock(&inode->i_mutex); -dput_and_out: - path_release(&nd); -out: - return error; + return do_utimes(AT_FDCWD, filename, times ? tv : NULL, 0); } #endif @@ -76,18 +42,38 @@ out: * must be owner or have write permission. * Else, update from *times, must be owner or super user. */ -long do_utimes(int dfd, char __user *filename, struct timeval *times) +long do_utimes(int dfd, char __user *filename, struct timespec *times, int flags) { int error; struct nameidata nd; - struct inode * inode; + struct dentry *dentry; + struct inode *inode; struct iattr newattrs; + struct file *f = NULL; - error = __user_walk_fd(dfd, filename, LOOKUP_FOLLOW, &nd); - - if (error) + error = -EINVAL; + if (flags & ~AT_SYMLINK_NOFOLLOW) goto out; - inode = nd.dentry->d_inode; + + if (filename == NULL && dfd != AT_FDCWD) { + error = -EINVAL; + if (flags & AT_SYMLINK_NOFOLLOW) + goto out; + + error = -EBADF; + f = fget(dfd); + if (!f) + goto out; + dentry = f->f_path.dentry; + } else { + error = __user_walk_fd(dfd, filename, (flags & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW, &nd); + if (error) + goto out; + + dentry = nd.dentry; + } + + inode = dentry->d_inode; error = -EROFS; if (IS_RDONLY(inode)) @@ -100,11 +86,21 @@ long do_utimes(int dfd, char __user *filename, struct timeval *times) if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) goto dput_and_out; - newattrs.ia_atime.tv_sec = times[0].tv_sec; - newattrs.ia_atime.tv_nsec = times[0].tv_usec * 1000; - newattrs.ia_mtime.tv_sec = times[1].tv_sec; - newattrs.ia_mtime.tv_nsec = times[1].tv_usec * 1000; - newattrs.ia_valid |= ATTR_ATIME_SET | ATTR_MTIME_SET; + if (times[0].tv_nsec == UTIME_OMIT) + newattrs.ia_valid &= ~ATTR_ATIME; + else if (times[0].tv_nsec != UTIME_NOW) { + newattrs.ia_atime.tv_sec = times[0].tv_sec; + newattrs.ia_atime.tv_nsec = times[0].tv_nsec; + newattrs.ia_valid |= ATTR_ATIME_SET; + } + + if (times[1].tv_nsec == UTIME_OMIT) + newattrs.ia_valid &= ~ATTR_MTIME; + else if (times[1].tv_nsec != UTIME_NOW) { + newattrs.ia_mtime.tv_sec = times[1].tv_sec; + newattrs.ia_mtime.tv_nsec = times[1].tv_nsec; + newattrs.ia_valid |= ATTR_MTIME_SET; + } } else { error = -EACCES; if (IS_IMMUTABLE(inode)) @@ -115,21 +111,67 @@ long do_utimes(int dfd, char __user *filename, struct timeval *times) goto dput_and_out; } mutex_lock(&inode->i_mutex); - error = notify_change(nd.dentry, &newattrs); + error = notify_change(dentry, &newattrs); mutex_unlock(&inode->i_mutex); dput_and_out: - path_release(&nd); + if (f) + fput(f); + else + path_release(&nd); out: return error; } +asmlinkage long sys_utimensat(int dfd, char __user *filename, struct timespec __user *utimes, int flags) +{ + struct timespec tstimes[2]; + + if (utimes) { + if (copy_from_user(&tstimes, utimes, sizeof(tstimes))) + return -EFAULT; + if ((tstimes[0].tv_nsec == UTIME_OMIT || + tstimes[0].tv_nsec == UTIME_NOW) && + tstimes[0].tv_sec != 0) + return -EINVAL; + if ((tstimes[1].tv_nsec == UTIME_OMIT || + tstimes[1].tv_nsec == UTIME_NOW) && + tstimes[1].tv_sec != 0) + return -EINVAL; + + /* Nothing to do, we must not even check the path. */ + if (tstimes[0].tv_nsec == UTIME_OMIT && + tstimes[1].tv_nsec == UTIME_OMIT) + return 0; + } + + return do_utimes(dfd, filename, utimes ? tstimes : NULL, flags); +} + asmlinkage long sys_futimesat(int dfd, char __user *filename, struct timeval __user *utimes) { struct timeval times[2]; + struct timespec tstimes[2]; + + if (utimes) { + if (copy_from_user(×, utimes, sizeof(times))) + return -EFAULT; + + /* This test is needed to catch all invalid values. If we + would test only in do_utimes we would miss those invalid + values truncated by the multiplication with 1000. Note + that we also catch UTIME_{NOW,OMIT} here which are only + valid for utimensat. */ + if (times[0].tv_usec >= 1000000 || times[0].tv_usec < 0 || + times[1].tv_usec >= 1000000 || times[1].tv_usec < 0) + return -EINVAL; + + tstimes[0].tv_sec = times[0].tv_sec; + tstimes[0].tv_nsec = 1000 * times[0].tv_usec; + tstimes[1].tv_sec = times[1].tv_sec; + tstimes[1].tv_nsec = 1000 * times[1].tv_usec; + } - if (utimes && copy_from_user(×, utimes, sizeof(times))) - return -EFAULT; - return do_utimes(dfd, filename, utimes ? times : NULL); + return do_utimes(dfd, filename, utimes ? tstimes : NULL, 0); } asmlinkage long sys_utimes(char __user *filename, struct timeval __user *utimes) @@ -9,7 +9,6 @@ */ #include <linux/fs.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/file.h> #include <linux/xattr.h> #include <linux/namei.h> diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index ff8d64e..558076d 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -639,7 +639,6 @@ xfs_write( xfs_fsize_t isize, new_size; xfs_iocore_t *io; bhv_vnode_t *vp; - unsigned long seg; int iolock; int eventsent = 0; bhv_vrwlock_t locktype; @@ -652,24 +651,9 @@ xfs_write( vp = BHV_TO_VNODE(bdp); xip = XFS_BHVTOI(bdp); - for (seg = 0; seg < segs; seg++) { - const struct iovec *iv = &iovp[seg]; - - /* - * If any segment has a negative length, or the cumulative - * length ever wraps negative then return -EINVAL. - */ - ocount += iv->iov_len; - if (unlikely((ssize_t)(ocount|iv->iov_len) < 0)) - return -EINVAL; - if (access_ok(VERIFY_READ, iv->iov_base, iv->iov_len)) - continue; - if (seg == 0) - return -EFAULT; - segs = seg; - ocount -= iv->iov_len; /* This segment is no good */ - break; - } + error = generic_segment_checks(iovp, &segs, &ocount, VERIFY_READ); + if (error) + return error; count = ocount; pos = *offset; |
