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

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 4e62b97..b1c12de 100644 (file)
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -455,10 +455,7 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q,
        alloc_data.ctx = __blk_mq_get_ctx(q, cpu);
 
        ret = -EWOULDBLOCK;
-       blk_queue_enter_live(q);
        rq = blk_mq_get_request(q, NULL, &alloc_data);
-       blk_queue_exit(q);
-
        if (!rq)
                goto out_queue_exit;
        return rq;