xfs: teach scrub to flag non-extents format cow forks

CoW forks only exist in memory, which means that they can only ever have
an incore extent tree.  Hence they must always be FMT_EXTENTS, so check
this when we're scrubbing them.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong 2022-11-06 17:03:22 -08:00
parent 3178553701
commit 5eef46358f

View file

@ -748,6 +748,8 @@ xchk_bmap(
case XFS_DINODE_FMT_DEV:
case XFS_DINODE_FMT_LOCAL:
/* No mappings to check. */
if (whichfork == XFS_COW_FORK)
xchk_fblock_set_corrupt(sc, whichfork, 0);
goto out;
case XFS_DINODE_FMT_EXTENTS:
break;