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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.c78
1 files changed, 44 insertions, 34 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 3e3aab3888fa..05207a64dd53 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -498,7 +498,7 @@ again:
if (!try_lock) {
for (j = (i - 1); j >= 0 && !try_lock; j--) {
lp = (xfs_log_item_t *)ips[j]->i_itemp;
- if (lp && (lp->li_flags & XFS_LI_IN_AIL))
+ if (lp && test_bit(XFS_LI_IN_AIL, &lp->li_flags))
try_lock++;
}
}
@@ -598,7 +598,7 @@ xfs_lock_two_inodes(
* and try again.
*/
lp = (xfs_log_item_t *)ip0->i_itemp;
- if (lp && (lp->li_flags & XFS_LI_IN_AIL)) {
+ if (lp && test_bit(XFS_LI_IN_AIL, &lp->li_flags)) {
if (!xfs_ilock_nowait(ip1, xfs_lock_inumorder(ip1_mode, 1))) {
xfs_iunlock(ip0, ip0_mode);
if ((++attempts % 5) == 0)
@@ -791,6 +791,18 @@ xfs_ialloc(
ASSERT(*ialloc_context == NULL);
/*
+ * Protect against obviously corrupt allocation btree records. Later
+ * xfs_iget checks will catch re-allocation of other active in-memory
+ * and on-disk inodes. If we don't catch reallocating the parent inode
+ * here we will deadlock in xfs_iget() so we have to do these checks
+ * first.
+ */
+ if ((pip && ino == pip->i_ino) || !xfs_verify_dir_ino(mp, ino)) {
+ xfs_alert(mp, "Allocated a known in-use inode 0x%llx!", ino);
+ return -EFSCORRUPTED;
+ }
+
+ /*
* Get the in-core inode with the lock held exclusively.
* This is because we're setting fields here we need
* to prevent others from looking at until we're done.
@@ -972,10 +984,8 @@ xfs_dir_ialloc(
xfs_nlink_t nlink,
dev_t rdev,
prid_t prid, /* project id */
- xfs_inode_t **ipp, /* pointer to inode; it will be
+ xfs_inode_t **ipp) /* pointer to inode; it will be
locked. */
- int *committed)
-
{
xfs_trans_t *tp;
xfs_inode_t *ip;
@@ -1050,8 +1060,6 @@ xfs_dir_ialloc(
}
code = xfs_trans_roll(&tp);
- if (committed != NULL)
- *committed = 1;
/*
* Re-attach the quota info that we detached from prev trx.
@@ -1088,9 +1096,6 @@ xfs_dir_ialloc(
}
ASSERT(!ialloc_context && ip);
- } else {
- if (committed != NULL)
- *committed = 0;
}
*ipp = ip;
@@ -1203,6 +1208,7 @@ xfs_create(
unlock_dp_on_error = true;
xfs_defer_init(&dfops, &first_block);
+ tp->t_agfl_dfops = &dfops;
/*
* Reserve disk quota and the inode.
@@ -1217,8 +1223,7 @@ xfs_create(
* entry pointing to them, but a directory also the "." entry
* pointing to itself.
*/
- error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, prid, &ip,
- NULL);
+ error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, prid, &ip);
if (error)
goto out_trans_cancel;
@@ -1309,7 +1314,6 @@ xfs_create(
int
xfs_create_tmpfile(
struct xfs_inode *dp,
- struct dentry *dentry,
umode_t mode,
struct xfs_inode **ipp)
{
@@ -1351,7 +1355,7 @@ xfs_create_tmpfile(
if (error)
goto out_trans_cancel;
- error = xfs_dir_ialloc(&tp, dp, mode, 1, 0, prid, &ip, NULL);
+ error = xfs_dir_ialloc(&tp, dp, mode, 1, 0, prid, &ip);
if (error)
goto out_trans_cancel;
@@ -1420,11 +1424,11 @@ xfs_link(
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
- error = xfs_qm_dqattach(sip, 0);
+ error = xfs_qm_dqattach(sip);
if (error)
goto std_return;
- error = xfs_qm_dqattach(tdp, 0);
+ error = xfs_qm_dqattach(tdp);
if (error)
goto std_return;
@@ -1460,6 +1464,7 @@ xfs_link(
}
xfs_defer_init(&dfops, &first_block);
+ tp->t_agfl_dfops = &dfops;
/*
* Handle initial link state of O_TMPFILE inode
@@ -1543,11 +1548,12 @@ xfs_itruncate_clear_reflink_flags(
* dirty on error so that transactions can be easily aborted if possible.
*/
int
-xfs_itruncate_extents(
+xfs_itruncate_extents_flags(
struct xfs_trans **tpp,
struct xfs_inode *ip,
int whichfork,
- xfs_fsize_t new_size)
+ xfs_fsize_t new_size,
+ int flags)
{
struct xfs_mount *mp = ip->i_mount;
struct xfs_trans *tp = *tpp;
@@ -1570,6 +1576,8 @@ xfs_itruncate_extents(
trace_xfs_itruncate_extents_start(ip, new_size);
+ flags |= xfs_bmapi_aflag(whichfork);
+
/*
* Since it is possible for space to become allocated beyond
* the end of the file (in a crash where the space is allocated
@@ -1588,12 +1596,9 @@ xfs_itruncate_extents(
unmap_len = last_block - first_unmap_block + 1;
while (!done) {
xfs_defer_init(&dfops, &first_block);
- error = xfs_bunmapi(tp, ip,
- first_unmap_block, unmap_len,
- xfs_bmapi_aflag(whichfork),
- XFS_ITRUNC_MAX_EXTENTS,
- &first_block, &dfops,
- &done);
+ error = xfs_bunmapi(tp, ip, first_unmap_block, unmap_len, flags,
+ XFS_ITRUNC_MAX_EXTENTS, &first_block,
+ &dfops, &done);
if (error)
goto out_bmap_cancel;
@@ -1611,13 +1616,15 @@ xfs_itruncate_extents(
goto out;
}
- /* Remove all pending CoW reservations. */
- error = xfs_reflink_cancel_cow_blocks(ip, &tp, first_unmap_block,
- last_block, true);
- if (error)
- goto out;
+ if (whichfork == XFS_DATA_FORK) {
+ /* Remove all pending CoW reservations. */
+ error = xfs_reflink_cancel_cow_blocks(ip, &tp,
+ first_unmap_block, last_block, true);
+ if (error)
+ goto out;
- xfs_itruncate_clear_reflink_flags(ip);
+ xfs_itruncate_clear_reflink_flags(ip);
+ }
/*
* Always re-log the inode so that our permanent transaction can keep
@@ -1818,6 +1825,7 @@ xfs_inactive_ifree(
xfs_trans_ijoin(tp, ip, 0);
xfs_defer_init(&dfops, &first_block);
+ tp->t_agfl_dfops = &dfops;
error = xfs_ifree(tp, ip, &dfops);
if (error) {
/*
@@ -1918,7 +1926,7 @@ xfs_inactive(
ip->i_d.di_nextents > 0 || ip->i_delayed_blks > 0))
truncate = 1;
- error = xfs_qm_dqattach(ip, 0);
+ error = xfs_qm_dqattach(ip);
if (error)
return;
@@ -2581,11 +2589,11 @@ xfs_remove(
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
- error = xfs_qm_dqattach(dp, 0);
+ error = xfs_qm_dqattach(dp);
if (error)
goto std_return;
- error = xfs_qm_dqattach(ip, 0);
+ error = xfs_qm_dqattach(ip);
if (error)
goto std_return;
@@ -2654,6 +2662,7 @@ xfs_remove(
goto out_trans_cancel;
xfs_defer_init(&dfops, &first_block);
+ tp->t_agfl_dfops = &dfops;
error = xfs_dir_removename(tp, dp, name, ip->i_ino,
&first_block, &dfops, resblks);
if (error) {
@@ -2903,7 +2912,7 @@ xfs_rename_alloc_whiteout(
struct xfs_inode *tmpfile;
int error;
- error = xfs_create_tmpfile(dp, NULL, S_IFCHR | WHITEOUT_MODE, &tmpfile);
+ error = xfs_create_tmpfile(dp, S_IFCHR | WHITEOUT_MODE, &tmpfile);
if (error)
return error;
@@ -3021,6 +3030,7 @@ xfs_rename(
}
xfs_defer_init(&dfops, &first_block);
+ tp->t_agfl_dfops = &dfops;
/* RENAME_EXCHANGE is unique from here on. */
if (flags & RENAME_EXCHANGE)