[PATCH 5/6] xfs: check that CoW fork extents are not shared

["Darrick J. Wong" <djwong@xxxxxxxxxx>]

From: Darrick J. Wong <djwong@xxxxxxxxxx>

Ensure that extents in an inode's CoW fork are not marked as shared in
the refcount btree.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 fs/xfs/scrub/bmap.c |    2 ++
 1 file changed, 2 insertions(+)


diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index 6986aef80002..c3dd231eea1c 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -338,6 +338,8 @@ xchk_bmap_iextent_xref(
 	case XFS_COW_FORK:
 		xchk_xref_is_cow_staging(info->sc, agbno,
 				irec->br_blockcount);
+		xchk_xref_is_not_shared(info->sc, agbno,
+				irec->br_blockcount);
 		break;
 	}