blkio: Set must_dispatch only if we decided to not dispatch the request

o must_dispatch flag should be set only if we decided not to run the queue
  and dispatch the request.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index f5b59e18ebd3..15b53616516a 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2490,9 +2490,9 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
                         if (blk_rq_bytes(rq) > PAGE_CACHE_SIZE ||
                             cfqd->busy_queues > 1) {
                                 del_timer(&cfqd->idle_slice_timer);
-                        __blk_run_queue(cfqd->queue);
-                        }
-                        cfq_mark_cfqq_must_dispatch(cfqq);
+                                __blk_run_queue(cfqd->queue);
+                        } else
+                                cfq_mark_cfqq_must_dispatch(cfqq);
                 }
         } else if (cfq_should_preempt(cfqd, cfqq, rq)) {
                 /*