blk-mq: remove a pointless queue enter pair in blk_mq_alloc_request

No need for two queue references.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-mq.c b/block/blk-mq.c
index b7e0667..4e62b97 100644 (file)
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -406,10 +406,7 @@ struct request *blk_mq_alloc_request(struct request_queue *q, unsigned int op,
        if (ret)
                return ERR_PTR(ret);
 
-       blk_queue_enter_live(q);
        rq = blk_mq_get_request(q, NULL, &alloc_data);
-       blk_queue_exit(q);
-
        if (!rq)
                goto out_queue_exit;
        rq->__data_len = 0;