blk-mq: add async parameter to blk_mq_start_stopped_hw_queues

Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
mariux64 · Apr 16, 2014 · 1b4a325 · 1b4a325
1 parent 91b6363
commit 1b4a325
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Showing 3 changed files with 5 additions and 5 deletions.
diff --git a/block/blk-mq.c b/block/blk-mq.c
@@ -700,7 +700,7 @@ void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx)
 }
 EXPORT_SYMBOL(blk_mq_start_hw_queue);
 
-void blk_mq_start_stopped_hw_queues(struct request_queue *q)
+void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async)
 {
 	struct blk_mq_hw_ctx *hctx;
 	int i;
@@ -711,7 +711,7 @@ void blk_mq_start_stopped_hw_queues(struct request_queue *q)
 
 		clear_bit(BLK_MQ_S_STOPPED, &hctx->state);
 		preempt_disable();
-		blk_mq_run_hw_queue(hctx, true);
+		blk_mq_run_hw_queue(hctx, async);
 		preempt_enable();
 	}
 }

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
@@ -151,7 +151,7 @@ static void virtblk_done(struct virtqueue *vq)
 
 	/* In case queue is stopped waiting for more buffers. */
 	if (req_done)
-		blk_mq_start_stopped_hw_queues(vblk->disk->queue);
+		blk_mq_start_stopped_hw_queues(vblk->disk->queue, true);
 }
 
 static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req)
@@ -762,7 +762,7 @@ static int virtblk_restore(struct virtio_device *vdev)
 	vblk->config_enable = true;
 	ret = init_vq(vdev->priv);
 	if (!ret)
-		blk_mq_start_stopped_hw_queues(vblk->disk->queue);
+		blk_mq_start_stopped_hw_queues(vblk->disk->queue, true);
 
 	return ret;
 }

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
@@ -157,7 +157,7 @@ void blk_mq_complete_request(struct request *rq);
 void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx);
 void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx);
 void blk_mq_stop_hw_queues(struct request_queue *q);
-void blk_mq_start_stopped_hw_queues(struct request_queue *q);
+void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async);
 
 /*
  * Driver command data is immediately after the request. So subtract request