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blk-mq: add async parameter to blk_mq_start_stopped_hw_queues

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2014-04-16 09:44:54 +02:00 committed by Jens Axboe
parent 91b63639c7
commit 1b4a325858
3 changed files with 5 additions and 5 deletions
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4
block/blk-mq.c
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@ -700,7 +700,7 @@ void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx)
} }
EXPORT_SYMBOL(blk_mq_start_hw_queue); 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; struct blk_mq_hw_ctx *hctx;
int i; 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); clear_bit(BLK_MQ_S_STOPPED, &hctx->state);
preempt_disable(); preempt_disable();
blk_mq_run_hw_queue(hctx, true); blk_mq_run_hw_queue(hctx, async);
preempt_enable(); preempt_enable();
} }
} }

4
drivers/block/virtio_blk.c
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@ -151,7 +151,7 @@ static void virtblk_done(struct virtqueue *vq)
/* In case queue is stopped waiting for more buffers. */ /* In case queue is stopped waiting for more buffers. */
if (req_done) 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) 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; vblk->config_enable = true;
ret = init_vq(vdev->priv); ret = init_vq(vdev->priv);
if (!ret) if (!ret)
blk_mq_start_stopped_hw_queues(vblk->disk->queue); blk_mq_start_stopped_hw_queues(vblk->disk->queue, true);
return ret; return ret;
} }

2
include/linux/blk-mq.h
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@ -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_stop_hw_queue(struct blk_mq_hw_ctx *hctx);
void blk_mq_start_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_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 * Driver command data is immediately after the request. So subtract request