xfs: check that CoW fork extents are not shared

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@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index fa8f22ed057a7191f265586598b074df689ebb51..4bb6672b02ba182892fe37b7ea6d600ee4cc1514 100644 (file)
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -335,6 +335,8 @@ 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;
        }