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path: root/fs/xfs/xfs_inode.c
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Diffstat (limited to 'fs/xfs/xfs_inode.c')
-rw-r--r--fs/xfs/xfs_inode.c84
1 files changed, 48 insertions, 36 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index de32f0fe47c8..ceef77c0416a 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -50,6 +50,7 @@
#include "xfs_log.h"
#include "xfs_bmap_btree.h"
#include "xfs_reflink.h"
+#include "xfs_dir2_priv.h"
kmem_zone_t *xfs_inode_zone;
@@ -621,17 +622,17 @@ __xfs_iflock(
DEFINE_WAIT_BIT(wait, &ip->i_flags, __XFS_IFLOCK_BIT);
do {
- prepare_to_wait_exclusive(wq, &wait.wait, TASK_UNINTERRUPTIBLE);
+ prepare_to_wait_exclusive(wq, &wait.wq_entry, TASK_UNINTERRUPTIBLE);
if (xfs_isiflocked(ip))
io_schedule();
} while (!xfs_iflock_nowait(ip));
- finish_wait(wq, &wait.wait);
+ finish_wait(wq, &wait.wq_entry);
}
STATIC uint
_xfs_dic2xflags(
- __uint16_t di_flags,
+ uint16_t di_flags,
uint64_t di_flags2,
bool has_attr)
{
@@ -854,8 +855,8 @@ xfs_ialloc(
inode->i_version = 1;
ip->i_d.di_flags2 = 0;
ip->i_d.di_cowextsize = 0;
- ip->i_d.di_crtime.t_sec = (__int32_t)tv.tv_sec;
- ip->i_d.di_crtime.t_nsec = (__int32_t)tv.tv_nsec;
+ ip->i_d.di_crtime.t_sec = (int32_t)tv.tv_sec;
+ ip->i_d.di_crtime.t_nsec = (int32_t)tv.tv_nsec;
}
@@ -1615,7 +1616,7 @@ xfs_itruncate_extents(
/* Remove all pending CoW reservations. */
error = xfs_reflink_cancel_cow_blocks(ip, &tp, first_unmap_block,
- last_block);
+ last_block, true);
if (error)
goto out;
@@ -1692,32 +1693,34 @@ xfs_release(
if (xfs_can_free_eofblocks(ip, false)) {
/*
+ * Check if the inode is being opened, written and closed
+ * frequently and we have delayed allocation blocks outstanding
+ * (e.g. streaming writes from the NFS server), truncating the
+ * blocks past EOF will cause fragmentation to occur.
+ *
+ * In this case don't do the truncation, but we have to be
+ * careful how we detect this case. Blocks beyond EOF show up as
+ * i_delayed_blks even when the inode is clean, so we need to
+ * truncate them away first before checking for a dirty release.
+ * Hence on the first dirty close we will still remove the
+ * speculative allocation, but after that we will leave it in
+ * place.
+ */
+ if (xfs_iflags_test(ip, XFS_IDIRTY_RELEASE))
+ return 0;
+ /*
* If we can't get the iolock just skip truncating the blocks
* past EOF because we could deadlock with the mmap_sem
- * otherwise. We'll get another chance to drop them once the
+ * otherwise. We'll get another chance to drop them once the
* last reference to the inode is dropped, so we'll never leak
* blocks permanently.
- *
- * Further, check if the inode is being opened, written and
- * closed frequently and we have delayed allocation blocks
- * outstanding (e.g. streaming writes from the NFS server),
- * truncating the blocks past EOF will cause fragmentation to
- * occur.
- *
- * In this case don't do the truncation, either, but we have to
- * be careful how we detect this case. Blocks beyond EOF show
- * up as i_delayed_blks even when the inode is clean, so we
- * need to truncate them away first before checking for a dirty
- * release. Hence on the first dirty close we will still remove
- * the speculative allocation, but after that we will leave it
- * in place.
*/
- if (xfs_iflags_test(ip, XFS_IDIRTY_RELEASE))
- return 0;
-
- error = xfs_free_eofblocks(mp, ip, true);
- if (error && error != -EAGAIN)
- return error;
+ if (xfs_ilock_nowait(ip, XFS_IOLOCK_EXCL)) {
+ error = xfs_free_eofblocks(ip);
+ xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+ if (error)
+ return error;
+ }
/* delalloc blocks after truncation means it really is dirty */
if (ip->i_delayed_blks)
@@ -1903,9 +1906,13 @@ xfs_inactive(
* force is true because we are evicting an inode from the
* cache. Post-eof blocks must be freed, lest we end up with
* broken free space accounting.
+ *
+ * Note: don't bother with iolock here since lockdep complains
+ * about acquiring it in reclaim context. We have the only
+ * reference to the inode at this point anyways.
*/
if (xfs_can_free_eofblocks(ip, true))
- xfs_free_eofblocks(mp, ip, false);
+ xfs_free_eofblocks(ip);
return;
}
@@ -2479,11 +2486,11 @@ __xfs_iunpin_wait(
xfs_iunpin(ip);
do {
- prepare_to_wait(wq, &wait.wait, TASK_UNINTERRUPTIBLE);
+ prepare_to_wait(wq, &wait.wq_entry, TASK_UNINTERRUPTIBLE);
if (xfs_ipincount(ip))
io_schedule();
} while (xfs_ipincount(ip));
- finish_wait(wq, &wait.wait);
+ finish_wait(wq, &wait.wq_entry);
}
void
@@ -3482,7 +3489,7 @@ xfs_iflush_int(
dip = xfs_buf_offset(bp, ip->i_imap.im_boffset);
if (XFS_TEST_ERROR(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC),
- mp, XFS_ERRTAG_IFLUSH_1, XFS_RANDOM_IFLUSH_1)) {
+ mp, XFS_ERRTAG_IFLUSH_1)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: Bad inode %Lu magic number 0x%x, ptr 0x%p",
__func__, ip->i_ino, be16_to_cpu(dip->di_magic), dip);
@@ -3492,7 +3499,7 @@ xfs_iflush_int(
if (XFS_TEST_ERROR(
(ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS) &&
(ip->i_d.di_format != XFS_DINODE_FMT_BTREE),
- mp, XFS_ERRTAG_IFLUSH_3, XFS_RANDOM_IFLUSH_3)) {
+ mp, XFS_ERRTAG_IFLUSH_3)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: Bad regular inode %Lu, ptr 0x%p",
__func__, ip->i_ino, ip);
@@ -3503,7 +3510,7 @@ xfs_iflush_int(
(ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS) &&
(ip->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
(ip->i_d.di_format != XFS_DINODE_FMT_LOCAL),
- mp, XFS_ERRTAG_IFLUSH_4, XFS_RANDOM_IFLUSH_4)) {
+ mp, XFS_ERRTAG_IFLUSH_4)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: Bad directory inode %Lu, ptr 0x%p",
__func__, ip->i_ino, ip);
@@ -3511,8 +3518,7 @@ xfs_iflush_int(
}
}
if (XFS_TEST_ERROR(ip->i_d.di_nextents + ip->i_d.di_anextents >
- ip->i_d.di_nblocks, mp, XFS_ERRTAG_IFLUSH_5,
- XFS_RANDOM_IFLUSH_5)) {
+ ip->i_d.di_nblocks, mp, XFS_ERRTAG_IFLUSH_5)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: detected corrupt incore inode %Lu, "
"total extents = %d, nblocks = %Ld, ptr 0x%p",
@@ -3522,7 +3528,7 @@ xfs_iflush_int(
goto corrupt_out;
}
if (XFS_TEST_ERROR(ip->i_d.di_forkoff > mp->m_sb.sb_inodesize,
- mp, XFS_ERRTAG_IFLUSH_6, XFS_RANDOM_IFLUSH_6)) {
+ mp, XFS_ERRTAG_IFLUSH_6)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: bad inode %Lu, forkoff 0x%x, ptr 0x%p",
__func__, ip->i_ino, ip->i_d.di_forkoff, ip);
@@ -3541,6 +3547,12 @@ xfs_iflush_int(
if (ip->i_d.di_version < 3)
ip->i_d.di_flushiter++;
+ /* Check the inline directory data. */
+ if (S_ISDIR(VFS_I(ip)->i_mode) &&
+ ip->i_d.di_format == XFS_DINODE_FMT_LOCAL &&
+ xfs_dir2_sf_verify(ip))
+ goto corrupt_out;
+
/*
* Copy the dirty parts of the inode into the on-disk inode. We always
* copy out the core of the inode, because if the inode is dirty at all
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