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| author | Ben Myers <bpm@sgi.com> | 2014-01-09 16:03:18 -0600 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2014-01-09 16:03:18 -0600 |
| commit | bf3964c188d686424ff7b69a45941851b9f437f0 (patch) | |
| tree | df67c636a6c0aa9f5369a335e1aa9d37d992bd85 /fs/xfs/xfs_inode_fork.c | |
| parent | dc16b186bb12c479b6a88bc280b34806a69199ad (diff) | |
| parent | eef334e5776c8ef547ada4cec17549929fe590b4 (diff) | |
Merge branch 'xfs-extent-list-locking-fixes' into for-nextxfs-for-linus-v3.14-rc1
A set of fixes which makes sure we are taking the ilock whenever accessing the
extent list. This was associated with "Access to block zero" messages which
may result in extent list corruption.
Diffstat (limited to 'fs/xfs/xfs_inode_fork.c')
| -rw-r--r-- | fs/xfs/xfs_inode_fork.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/xfs_inode_fork.c b/fs/xfs/xfs_inode_fork.c index 06abaeef1715..73514c0486b7 100644 --- a/fs/xfs/xfs_inode_fork.c +++ b/fs/xfs/xfs_inode_fork.c @@ -431,6 +431,8 @@ xfs_iread_extents( xfs_ifork_t *ifp; xfs_extnum_t nextents; + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); + if (unlikely(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)) { XFS_ERROR_REPORT("xfs_iread_extents", XFS_ERRLEVEL_LOW, ip->i_mount); |