xfs: on failed mount, force-reclaim inodes after unmounting quota controls

Browse source

When mounting fails, we must force-reclaim inodes (and disable delayed
reclaim) /after/ the realtime and quota control have let go of the
realtime and quota inodes.  Without this, we corrupt the timer list and
cause other weird problems.

Found by xfs/376 fuzzing u3.bmbt[0].lastoff on an rmap filesystem to
force a bogus post-eof extent reclaim that causes the fs to go down.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

...

This commit is contained in:

Darrick J. Wong 2017-11-08 16:26:49 -08:00

parent d44b47fdd1

commit 2d1d1da3d9

1 changed files with 13 additions and 2 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

15

fs/xfs/xfs_mount.c

View file