@@ -336,6 +336,18 @@ void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn, struct blk_mq_hw_ctx *hctx; int i;/* * __blk_mq_update_nr_hw_queues will update the nr_hw_queues and * queue_hw_ctx after freeze the queue. So we could use q_usage_cou...