Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-09-20 23:13:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

xfs: make inode unlinked bucket recovery work with quotacheck

Browse Source 
Teach quotacheck to reload the unlinked inode lists when walking the
inode table.  This requires extra state handling, since it's possible
that a reloaded inode will get inactivated before quotacheck tries to
scan it; in this case, we need to ensure that the reloaded inode does
not have dquots attached when it is freed.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Darrick J. Wong 2023-09-11 08:39:08 -07:00
parent 83771c50e4
commit 49813a21ed
5 changed files with 29 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
fs/xfs/xfs_attr_inactive.c
View File

@ -333,7 +333,6 @@ xfs_attr_inactive(
int error = 0;
mp = dp->i_mount;
ASSERT(! XFS_NOT_DQATTACHED(mp, dp));
xfs_ilock(dp, lock_mode);
if (!xfs_inode_has_attr_fork(dp))

12
fs/xfs/xfs_inode.c
View File

@ -1742,9 +1742,13 @@ xfs_inactive(
ip->i_df.if_nextents > 0 || ip->i_delayed_blks > 0))
truncate = 1;
error = xfs_qm_dqattach(ip);
if (error)
goto out;
if (xfs_iflags_test(ip, XFS_IQUOTAUNCHECKED)) {
xfs_qm_dqdetach(ip);
} else {
error = xfs_qm_dqattach(ip);
if (error)
goto out;
}
if (S_ISLNK(VFS_I(ip)->i_mode))
error = xfs_inactive_symlink(ip);
@ -1962,6 +1966,8 @@ xfs_iunlink_reload_next(
trace_xfs_iunlink_reload_next(next_ip);
rele:
ASSERT(!(VFS_I(next_ip)->i_state & I_DONTCACHE));
if (xfs_is_quotacheck_running(mp) && next_ip)
xfs_iflags_set(next_ip, XFS_IQUOTAUNCHECKED);
xfs_irele(next_ip);
return error;
}

5
fs/xfs/xfs_inode.h
View File

@ -344,6 +344,9 @@ static inline bool xfs_inode_has_large_extent_counts(struct xfs_inode *ip)
*/
#define XFS_INACTIVATING (1 << 13)
/* Quotacheck is running but inode has not been added to quota counts. */
#define XFS_IQUOTAUNCHECKED (1 << 14)
/* All inode state flags related to inode reclaim. */
#define XFS_ALL_IRECLAIM_FLAGS (XFS_IRECLAIMABLE | \
XFS_IRECLAIM | \
@ -358,7 +361,7 @@ static inline bool xfs_inode_has_large_extent_counts(struct xfs_inode *ip)
#define XFS_IRECLAIM_RESET_FLAGS \
(XFS_IRECLAIMABLE | XFS_IRECLAIM | \
XFS_IDIRTY_RELEASE | XFS_ITRUNCATED | XFS_NEED_INACTIVE | \
XFS_INACTIVATING)
XFS_INACTIVATING | XFS_IQUOTAUNCHECKED)
/*
* Flags for inode locking.

10
fs/xfs/xfs_mount.h
View File

@ -405,6 +405,8 @@ __XFS_HAS_FEAT(nouuid, NOUUID)
#define XFS_OPSTATE_WARNED_SHRINK 8
/* Kernel has logged a warning about logged xattr updates being used. */
#define XFS_OPSTATE_WARNED_LARP 9
/* Mount time quotacheck is running */
#define XFS_OPSTATE_QUOTACHECK_RUNNING 10
#define __XFS_IS_OPSTATE(name, NAME) \
static inline bool xfs_is_ ## name (struct xfs_mount *mp) \
@ -427,6 +429,11 @@ __XFS_IS_OPSTATE(inode32, INODE32)
__XFS_IS_OPSTATE(readonly, READONLY)
__XFS_IS_OPSTATE(inodegc_enabled, INODEGC_ENABLED)
__XFS_IS_OPSTATE(blockgc_enabled, BLOCKGC_ENABLED)
#ifdef CONFIG_XFS_QUOTA
__XFS_IS_OPSTATE(quotacheck_running, QUOTACHECK_RUNNING)
#else
# define xfs_is_quotacheck_running(mp) (false)
#endif
static inline bool
xfs_should_warn(struct xfs_mount *mp, long nr)
@ -444,7 +451,8 @@ xfs_should_warn(struct xfs_mount *mp, long nr)
{ (1UL << XFS_OPSTATE_BLOCKGC_ENABLED), "blockgc" }, \
{ (1UL << XFS_OPSTATE_WARNED_SCRUB), "wscrub" }, \
{ (1UL << XFS_OPSTATE_WARNED_SHRINK), "wshrink" }, \
{ (1UL << XFS_OPSTATE_WARNED_LARP), "wlarp" }
{ (1UL << XFS_OPSTATE_WARNED_LARP), "wlarp" }, \
{ (1UL << XFS_OPSTATE_QUOTACHECK_RUNNING), "quotacheck" }
/*
* Max and min values for mount-option defined I/O

7
fs/xfs/xfs_qm.c
View File

@ -1160,6 +1160,10 @@ xfs_qm_dqusage_adjust(
if (error)
return error;
error = xfs_inode_reload_unlinked(ip);
if (error)
goto error0;
ASSERT(ip->i_delayed_blks == 0);
if (XFS_IS_REALTIME_INODE(ip)) {
@ -1173,6 +1177,7 @@ xfs_qm_dqusage_adjust(
}
nblks = (xfs_qcnt_t)ip->i_nblocks - rtblks;
xfs_iflags_clear(ip, XFS_IQUOTAUNCHECKED);
/*
* Add the (disk blocks and inode) resources occupied by this
@ -1319,8 +1324,10 @@ xfs_qm_quotacheck(
flags |= XFS_PQUOTA_CHKD;
}
xfs_set_quotacheck_running(mp);
error = xfs_iwalk_threaded(mp, 0, 0, xfs_qm_dqusage_adjust, 0, true,
NULL);
xfs_clear_quotacheck_running(mp);
/*
* On error, the inode walk may have partially populated the dquot