1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 7239079203ec..5e0b333793d5 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -669,6 +669,11 @@ static int make_request(request_queue_t *q, struct bio * bio)
         int i;
         int chunk_sects = conf->chunk_mask + 1;
 
+        if (unlikely(bio_barrier(bio))) {
+                bio_endio(bio, bio->bi_size, -EOPNOTSUPP);
+                return 0;
+        }
+
         /* If this request crosses a chunk boundary, we need to
          * split it.  This will only happen for 1 PAGE (or less) requests.
          */