block: add blk_run_queue_async

Instead of overloading __blk_run_queue to force an offload to kblockd
add a new blk_run_queue_async helper to do it explicitly.  I've kept
the blk_queue_stopped check for now, but I suspect it's not needed
as the check we do when the workqueue items runs should be enough.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 3be881ec95ad..46b0a1d1d925 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -3368,7 +3368,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
                             cfqd->busy_queues > 1) {
                                 cfq_del_timer(cfqd, cfqq);
                                 cfq_clear_cfqq_wait_request(cfqq);
-                                __blk_run_queue(cfqd->queue, false);
+                                __blk_run_queue(cfqd->queue);
                         } else {
                                 cfq_blkiocg_update_idle_time_stats(
                                                 &cfqq->cfqg->blkg);
@@ -3383,7 +3383,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
                  * this new queue is RT and the current one is BE
                  */
                 cfq_preempt_queue(cfqd, cfqq);
-                __blk_run_queue(cfqd->queue, false);
+                __blk_run_queue(cfqd->queue);
         }
 }
 
@@ -3743,7 +3743,7 @@ static void cfq_kick_queue(struct work_struct *work)
         struct request_queue *q = cfqd->queue;
 
         spin_lock_irq(q->queue_lock);
-        __blk_run_queue(cfqd->queue, false);
+        __blk_run_queue(cfqd->queue);
         spin_unlock_irq(q->queue_lock);
 }