Commit 5eef4635 authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

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: default avatarDarrick J. Wong <djwong@kernel.org>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
parent 31785537

fs/xfs/scrub/bmap.c

+2 −0
Original line number Diff line number Diff line
@@ -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;