Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d757762bf2f6aea954745c76b4d767067b85be9d
Commit: d757762bf2f6aea954745c76b4d767067b85be9d
Parent: c6143911a7e0f8abef0319c801eb36718f57dfde
Author: Donald Douwsma <[EMAIL PROTECTED]>
AuthorDate: Fri Nov 23 16:27:42 2007 +1100
Committer: Lachlan McIlroy <[EMAIL PROTECTED]>
CommitDate: Mon Dec 10 13:40:10 2007 +1100
[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This patch adds the check originally made by xfs_qm_syncall() to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 <[EMAIL PROTECTED]>
Signed-off-by: David Chinner <[EMAIL PROTECTED]>
Signed-off-by: Lachlan McIlroy <[EMAIL PROTECTED]>
---
fs/xfs/quota/xfs_qm.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index b5f9128..d488645 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.
-
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