1 files changed, 3 insertions, 0 deletions

diff --git a/block/elevator.c b/block/elevator.c
index 7253fa05db0a..ac5310ef8270 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -488,6 +488,9 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio)
                 }
         }
 
+        if (blk_queue_nomerges(q))
+                return ELEVATOR_NO_MERGE;
+
         /*
          * See if our hash lookup can find a potential backmerge.
          */