1 files changed, 1 insertions, 1 deletions

diff --git a/block/elevator.c b/block/elevator.c
index 84d63943f2de..c3555c9c672f 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -420,7 +420,7 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio)
          *      noxmerges: Only simple one-hit cache try
          *      merges:    All merge tries attempted
          */
-        if (blk_queue_nomerges(q))
+        if (blk_queue_nomerges(q) || !bio_mergeable(bio))
                 return ELEVATOR_NO_MERGE;
 
         /*