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Commit 7fb4898e authored by Keith Busch's avatar Keith Busch Committed by Jens Axboe
Browse files

block: add blk-mq support to blk_insert_cloned_request() 



If the request passed to blk_insert_cloned_request() was allocated by
a blk-mq device it must be submitted using blk_mq_insert_request().

Signed-off-by: default avatarKeith Busch <keith.busch@intel.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent febf7158

block/blk-core.c

+7 −0
Original line number Diff line number Diff line
@@ -2048,6 +2048,13 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq) 
	    should_fail_request(&rq->rq_disk->part0, blk_rq_bytes(rq)))

		return -EIO;



	if (q->mq_ops) {

		if (blk_queue_io_stat(q))

			blk_account_io_start(rq, true);

		blk_mq_insert_request(rq, false, true, true);

		return 0;

	}



	spin_lock_irqsave(q->queue_lock, flags);

	if (unlikely(blk_queue_dying(q))) {

		spin_unlock_irqrestore(q->queue_lock, flags);