diff options
Diffstat (limited to 'fs/xfs/linux-2.6')
| -rw-r--r-- | fs/xfs/linux-2.6/mrlock.h | 60 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.c | 2 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_export.c | 2 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_file.c | 75 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_ioctl.c | 8 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_iops.c | 3 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_linux.h | 2 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_lrw.c | 21 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_lrw.h | 1 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 2 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_vnode.h | 24 |
11 files changed, 43 insertions, 157 deletions
diff --git a/fs/xfs/linux-2.6/mrlock.h b/fs/xfs/linux-2.6/mrlock.h index c110bb0..ff6a198 100644 --- a/fs/xfs/linux-2.6/mrlock.h +++ b/fs/xfs/linux-2.6/mrlock.h @@ -20,29 +20,24 @@ #include <linux/rwsem.h> -enum { MR_NONE, MR_ACCESS, MR_UPDATE }; - typedef struct { struct rw_semaphore mr_lock; +#ifdef DEBUG int mr_writer; +#endif } mrlock_t; +#ifdef DEBUG #define mrinit(mrp, name) \ do { (mrp)->mr_writer = 0; init_rwsem(&(mrp)->mr_lock); } while (0) +#else +#define mrinit(mrp, name) \ + do { init_rwsem(&(mrp)->mr_lock); } while (0) +#endif + #define mrlock_init(mrp, t,n,s) mrinit(mrp, n) #define mrfree(mrp) do { } while (0) -static inline void mraccess(mrlock_t *mrp) -{ - down_read(&mrp->mr_lock); -} - -static inline void mrupdate(mrlock_t *mrp) -{ - down_write(&mrp->mr_lock); - mrp->mr_writer = 1; -} - static inline void mraccess_nested(mrlock_t *mrp, int subclass) { down_read_nested(&mrp->mr_lock, subclass); @@ -51,10 +46,11 @@ static inline void mraccess_nested(mrlock_t *mrp, int subclass) static inline void mrupdate_nested(mrlock_t *mrp, int subclass) { down_write_nested(&mrp->mr_lock, subclass); +#ifdef DEBUG mrp->mr_writer = 1; +#endif } - static inline int mrtryaccess(mrlock_t *mrp) { return down_read_trylock(&mrp->mr_lock); @@ -64,39 +60,31 @@ static inline int mrtryupdate(mrlock_t *mrp) { if (!down_write_trylock(&mrp->mr_lock)) return 0; +#ifdef DEBUG mrp->mr_writer = 1; +#endif return 1; } -static inline void mrunlock(mrlock_t *mrp) +static inline void mrunlock_excl(mrlock_t *mrp) { - if (mrp->mr_writer) { - mrp->mr_writer = 0; - up_write(&mrp->mr_lock); - } else { - up_read(&mrp->mr_lock); - } +#ifdef DEBUG + mrp->mr_writer = 0; +#endif + up_write(&mrp->mr_lock); } -static inline void mrdemote(mrlock_t *mrp) +static inline void mrunlock_shared(mrlock_t *mrp) { - mrp->mr_writer = 0; - downgrade_write(&mrp->mr_lock); + up_read(&mrp->mr_lock); } -#ifdef DEBUG -/* - * Debug-only routine, without some platform-specific asm code, we can - * now only answer requests regarding whether we hold the lock for write - * (reader state is outside our visibility, we only track writer state). - * Note: means !ismrlocked would give false positives, so don't do that. - */ -static inline int ismrlocked(mrlock_t *mrp, int type) +static inline void mrdemote(mrlock_t *mrp) { - if (mrp && type == MR_UPDATE) - return mrp->mr_writer; - return 1; -} +#ifdef DEBUG + mrp->mr_writer = 0; #endif + downgrade_write(&mrp->mr_lock); +} #endif /* __XFS_SUPPORT_MRLOCK_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 52f6846..5105015 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -886,7 +886,7 @@ int xfs_buf_lock_value( xfs_buf_t *bp) { - return atomic_read(&bp->b_sema.count); + return bp->b_sema.count; } #endif diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index 265f0168..c672b32 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -133,7 +133,7 @@ xfs_nfs_get_inode( if (!ip) return ERR_PTR(-EIO); - if (!ip->i_d.di_mode || ip->i_d.di_gen != generation) { + if (ip->i_d.di_gen != generation) { xfs_iput_new(ip, XFS_ILOCK_SHARED); return ERR_PTR(-ENOENT); } diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index 0590524..65e78c1 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -43,9 +43,6 @@ #include <linux/smp_lock.h> static struct vm_operations_struct xfs_file_vm_ops; -#ifdef CONFIG_XFS_DMAPI -static struct vm_operations_struct xfs_dmapi_file_vm_ops; -#endif STATIC_INLINE ssize_t __xfs_file_read( @@ -202,22 +199,6 @@ xfs_file_fsync( (xfs_off_t)0, (xfs_off_t)-1); } -#ifdef CONFIG_XFS_DMAPI -STATIC int -xfs_vm_fault( - struct vm_area_struct *vma, - struct vm_fault *vmf) -{ - struct inode *inode = vma->vm_file->f_path.dentry->d_inode; - bhv_vnode_t *vp = vn_from_inode(inode); - - ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI); - if (XFS_SEND_MMAP(XFS_VFSTOM(vp->v_vfsp), vma, 0)) - return VM_FAULT_SIGBUS; - return filemap_fault(vma, vmf); -} -#endif /* CONFIG_XFS_DMAPI */ - /* * Unfortunately we can't just use the clean and simple readdir implementation * below, because nfs might call back into ->lookup from the filldir callback @@ -386,11 +367,6 @@ xfs_file_mmap( vma->vm_ops = &xfs_file_vm_ops; vma->vm_flags |= VM_CAN_NONLINEAR; -#ifdef CONFIG_XFS_DMAPI - if (XFS_M(filp->f_path.dentry->d_inode->i_sb)->m_flags & XFS_MOUNT_DMAPI) - vma->vm_ops = &xfs_dmapi_file_vm_ops; -#endif /* CONFIG_XFS_DMAPI */ - file_accessed(filp); return 0; } @@ -437,47 +413,6 @@ xfs_file_ioctl_invis( return error; } -#ifdef CONFIG_XFS_DMAPI -#ifdef HAVE_VMOP_MPROTECT -STATIC int -xfs_vm_mprotect( - struct vm_area_struct *vma, - unsigned int newflags) -{ - struct inode *inode = vma->vm_file->f_path.dentry->d_inode; - struct xfs_mount *mp = XFS_M(inode->i_sb); - int error = 0; - - if (mp->m_flags & XFS_MOUNT_DMAPI) { - if ((vma->vm_flags & VM_MAYSHARE) && - (newflags & VM_WRITE) && !(vma->vm_flags & VM_WRITE)) - error = XFS_SEND_MMAP(mp, vma, VM_WRITE); - } - return error; -} -#endif /* HAVE_VMOP_MPROTECT */ -#endif /* CONFIG_XFS_DMAPI */ - -#ifdef HAVE_FOP_OPEN_EXEC -/* If the user is attempting to execute a file that is offline then - * we have to trigger a DMAPI READ event before the file is marked as busy - * otherwise the invisible I/O will not be able to write to the file to bring - * it back online. - */ -STATIC int -xfs_file_open_exec( - struct inode *inode) -{ - struct xfs_mount *mp = XFS_M(inode->i_sb); - struct xfs_inode *ip = XFS_I(inode); - - if (unlikely(mp->m_flags & XFS_MOUNT_DMAPI) && - DM_EVENT_ENABLED(ip, DM_EVENT_READ)) - return -XFS_SEND_DATA(mp, DM_EVENT_READ, ip, 0, 0, 0, NULL); - return 0; -} -#endif /* HAVE_FOP_OPEN_EXEC */ - /* * mmap()d file has taken write protection fault and is being made * writable. We can set the page state up correctly for a writable @@ -546,13 +481,3 @@ static struct vm_operations_struct xfs_file_vm_ops = { .fault = filemap_fault, .page_mkwrite = xfs_vm_page_mkwrite, }; - -#ifdef CONFIG_XFS_DMAPI -static struct vm_operations_struct xfs_dmapi_file_vm_ops = { - .fault = xfs_vm_fault, - .page_mkwrite = xfs_vm_page_mkwrite, -#ifdef HAVE_VMOP_MPROTECT - .mprotect = xfs_vm_mprotect, -#endif -}; -#endif /* CONFIG_XFS_DMAPI */ diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 4ddb86b..a42ba9d 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -238,7 +238,7 @@ xfs_vget_fsop_handlereq( return error; if (ip == NULL) return XFS_ERROR(EIO); - if (ip->i_d.di_mode == 0 || ip->i_d.di_gen != igen) { + if (ip->i_d.di_gen != igen) { xfs_iput_new(ip, XFS_ILOCK_SHARED); return XFS_ERROR(ENOENT); } @@ -505,14 +505,14 @@ xfs_attrmulti_attr_get( { char *kbuf; int error = EFAULT; - + if (*len > XATTR_SIZE_MAX) return EINVAL; kbuf = kmalloc(*len, GFP_KERNEL); if (!kbuf) return ENOMEM; - error = xfs_attr_get(XFS_I(inode), name, kbuf, (int *)len, flags, NULL); + error = xfs_attr_get(XFS_I(inode), name, kbuf, (int *)len, flags); if (error) goto out_kfree; @@ -546,7 +546,7 @@ xfs_attrmulti_attr_set( if (copy_from_user(kbuf, ubuf, len)) goto out_kfree; - + error = xfs_attr_set(XFS_I(inode), name, kbuf, len, flags); out_kfree: diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index a1237da..2bf287e 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -511,7 +511,8 @@ xfs_vn_rename( xfs_dentry_to_name(&nname, ndentry); error = xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode), - XFS_I(ndir), &nname); + XFS_I(ndir), &nname, new_inode ? + XFS_I(new_inode) : NULL); if (likely(!error)) { if (new_inode) xfs_validate_fields(new_inode); diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h index e514332..4edc469 100644 --- a/fs/xfs/linux-2.6/xfs_linux.h +++ b/fs/xfs/linux-2.6/xfs_linux.h @@ -75,6 +75,7 @@ #include <linux/delay.h> #include <linux/log2.h> #include <linux/spinlock.h> +#include <linux/random.h> #include <asm/page.h> #include <asm/div64.h> @@ -99,7 +100,6 @@ /* * Feature macros (disable/enable) */ -#define HAVE_SPLICE /* a splice(2) exists in 2.6, but not in 2.4 */ #ifdef CONFIG_SMP #define HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */ #else diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 1ebd800..5e3b575 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -394,7 +394,7 @@ xfs_zero_last_block( int error = 0; xfs_bmbt_irec_t imap; - ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE) != 0); + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); zero_offset = XFS_B_FSB_OFFSET(mp, isize); if (zero_offset == 0) { @@ -425,14 +425,14 @@ xfs_zero_last_block( * out sync. We need to drop the ilock while we do this so we * don't deadlock when the buffer cache calls back to us. */ - xfs_iunlock(ip, XFS_ILOCK_EXCL| XFS_EXTSIZE_RD); + xfs_iunlock(ip, XFS_ILOCK_EXCL); zero_len = mp->m_sb.sb_blocksize - zero_offset; if (isize + zero_len > offset) zero_len = offset - isize; error = xfs_iozero(ip, isize, zero_len); - xfs_ilock(ip, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD); + xfs_ilock(ip, XFS_ILOCK_EXCL); ASSERT(error >= 0); return error; } @@ -465,8 +465,7 @@ xfs_zero_eof( int error = 0; xfs_bmbt_irec_t imap; - ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE)); - ASSERT(ismrlocked(&ip->i_iolock, MR_UPDATE)); + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL)); ASSERT(offset > isize); /* @@ -475,8 +474,7 @@ xfs_zero_eof( */ error = xfs_zero_last_block(ip, offset, isize); if (error) { - ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE)); - ASSERT(ismrlocked(&ip->i_iolock, MR_UPDATE)); + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL)); return error; } @@ -507,8 +505,7 @@ xfs_zero_eof( error = xfs_bmapi(NULL, ip, start_zero_fsb, zero_count_fsb, 0, NULL, 0, &imap, &nimaps, NULL, NULL); if (error) { - ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE)); - ASSERT(ismrlocked(&ip->i_iolock, MR_UPDATE)); + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL)); return error; } ASSERT(nimaps > 0); @@ -532,7 +529,7 @@ xfs_zero_eof( * Drop the inode lock while we're doing the I/O. * We'll still have the iolock to protect us. */ - xfs_iunlock(ip, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD); + xfs_iunlock(ip, XFS_ILOCK_EXCL); zero_off = XFS_FSB_TO_B(mp, start_zero_fsb); zero_len = XFS_FSB_TO_B(mp, imap.br_blockcount); @@ -548,13 +545,13 @@ xfs_zero_eof( start_zero_fsb = imap.br_startoff + imap.br_blockcount; ASSERT(start_zero_fsb <= (end_zero_fsb + 1)); - xfs_ilock(ip, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD); + xfs_ilock(ip, XFS_ILOCK_EXCL); } return 0; out_lock: - xfs_ilock(ip, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD); + xfs_ilock(ip, XFS_ILOCK_EXCL); ASSERT(error >= 0); return error; } diff --git a/fs/xfs/linux-2.6/xfs_lrw.h b/fs/xfs/linux-2.6/xfs_lrw.h index e1d498b..e6be37d 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.h +++ b/fs/xfs/linux-2.6/xfs_lrw.h @@ -50,7 +50,6 @@ struct xfs_iomap; #define XFS_INVAL_CACHED 18 #define XFS_DIORD_ENTER 19 #define XFS_DIOWR_ENTER 20 -#define XFS_SENDFILE_ENTER 21 #define XFS_WRITEPAGE_ENTER 22 #define XFS_RELEASEPAGE_ENTER 23 #define XFS_INVALIDPAGE_ENTER 24 diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 865eb70..742b2c7 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -1181,7 +1181,7 @@ xfs_fs_statfs( statp->f_fsid.val[0] = (u32)id; statp->f_fsid.val[1] = (u32)(id >> 32); - xfs_icsb_sync_counters_flags(mp, XFS_ICSB_LAZY_COUNT); + xfs_icsb_sync_counters(mp, XFS_ICSB_LAZY_COUNT); spin_lock(&mp->m_sb_lock); statp->f_bsize = sbp->sb_blocksize; diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h index 8b4d63c..9d73cb5 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.h +++ b/fs/xfs/linux-2.6/xfs_vnode.h @@ -25,12 +25,6 @@ struct attrlist_cursor_kern; typedef struct inode bhv_vnode_t; -#define VN_ISLNK(vp) S_ISLNK((vp)->i_mode) -#define VN_ISREG(vp) S_ISREG((vp)->i_mode) -#define VN_ISDIR(vp) S_ISDIR((vp)->i_mode) -#define VN_ISCHR(vp) S_ISCHR((vp)->i_mode) -#define VN_ISBLK(vp) S_ISBLK((vp)->i_mode) - /* * Vnode to Linux inode mapping. */ @@ -151,24 +145,6 @@ typedef struct bhv_vattr { XFS_AT_TYPE|XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_VCODE|\ XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_GENCOUNT) -/* - * Modes. - */ -#define VSUID S_ISUID /* set user id on execution */ -#define VSGID S_ISGID /* set group id on execution */ -#define VSVTX S_ISVTX /* save swapped text even after use */ -#define VREAD S_IRUSR /* read, write, execute permissions */ -#define VWRITE S_IWUSR -#define VEXEC S_IXUSR - -#define MODEMASK S_IALLUGO /* mode bits plus permission bits */ - -/* - * Check whether mandatory file locking is enabled. - */ -#define MANDLOCK(vp, mode) \ - (VN_ISREG(vp) && ((mode) & (VSGID|(VEXEC>>3))) == VSGID) - extern void vn_init(void); extern int vn_revalidate(bhv_vnode_t *); |
