http://oss.sgi.com/bugzilla/show_bug.cgi?id=711
------- Additional Comments From stefan@xxxxxxxxx 2006-07-27 04:33 CST -------
Hi!
This crash only occurs if you use quota and IDE without barrier support.
The Problem is, that on a new mount of a root filesystem - the flag VFS_RDONLY
is set - and so no barrier check is done before checking quota. With this
patch barrier check is done always. The partition should not be mounted at
that moment. For mount -o remount, rw or something like this it uses another
function where VFS_RDONLY is checked.
Here is my patch:
*** fs/xfs/xfs_vfsops.c.orig Thu Jul 27 13:10:23 2006
--- fs/xfs/xfs_vfsops.c Thu Jul 27 13:11:17 2006
*************** xfs_mount(
*** 524,528 ****
goto error2;
! if ((mp->m_flags & XFS_MOUNT_BARRIER) && !(vfsp->vfs_flag &
VFS_RDONLY))
xfs_mountfs_check_barriers(mp);
--- 524,528 ----
goto error2;
! if (mp->m_flags & XFS_MOUNT_BARRIER)
xfs_mountfs_check_barriers(mp);
--
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