From 7fb4898e0cd6e7eba7419790921391e53848a35d Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Fri, 17 Oct 2014 17:46:38 -0600 Subject: [PATCH] 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: Keith Busch Signed-off-by: Mike Snitzer Signed-off-by: Jens Axboe --- block/blk-core.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/block/blk-core.c b/block/blk-core.c index 1b5fa214efa3..c81f02cd17d4 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -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); -- 2.20.1