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authorDonald Douwsma <donaldd@sgi.com>2007-11-23 16:27:42 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2007-12-10 13:40:10 +1100
commitd757762bf2f6aea954745c76b4d767067b85be9d (patch)
tree3885cad02c46003849f79f37195c7e8b7df13275 /fs/xfs/quota
parentc6143911a7e0f8abef0319c801eb36718f57dfde (diff)
[XFS] Fix dbflush panic in xfs_qm_sync.
The recent behaviour layer removal dropped the check for quotas that have been requested at mount time but have subsequently been turned off. This results in a panic when accessing m_quotainfo which has been freed. This patch adds the check originally made by xfs_qm_syncall() to xfs_qm_sync(). SGI-PV: 969769 SGI-Modid: xfs-linux-melb:xfs-kern:29908a Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'fs/xfs/quota')
-rw-r--r--fs/xfs/quota/xfs_qm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index b5f91281b70..d488645f833 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -1008,6 +1008,9 @@ xfs_qm_sync(
boolean_t nowait;
int error;
+ if (! XFS_IS_QUOTA_ON(mp))
+ return 0;
+
restarts = 0;
/*
* We won't block unless we are asked to.