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-rw-r--r--block/elevator.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 84d63943f..c3555c9c6 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;
/*