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xfs: don't leak quotacheck dquots when cow recovery

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commit 77aff8c76425c8f49b50d0b9009915066739e7d2 upstream.

If we fail a mount on account of cow recovery errors, it's possible that
a previous quotacheck left some dquots in memory.  The bailout clause of
xfs_mountfs forgets to purge these, and so we leak them.  Fix that.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Darrick J. Wong 2017-09-17 14:06:44 -07:00 committed by Greg Kroah-Hartman
parent 7fb3e5e373
commit e1a7b7e1f6
1 changed files with 2 additions and 0 deletions
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2
fs/xfs/xfs_mount.c
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@ -1004,6 +1004,8 @@ xfs_mountfs(
IRELE(rip);
cancel_delayed_work_sync(&mp->m_reclaim_work);
xfs_reclaim_inodes(mp, SYNC_WAIT);
/* Clean out dquots that might be in memory after quotacheck. */
xfs_qm_unmount(mp);
out_log_dealloc:
mp->m_flags |= XFS_MOUNT_UNMOUNTING;
xfs_log_mount_cancel(mp);