643 		struct rq_qos *rqos = q->rq_qos;  in blk_mq_debugfs_register()  local
645 		while (rqos) {  in blk_mq_debugfs_register()
646 			blk_mq_debugfs_register_rqos(rqos);  in blk_mq_debugfs_register()
647 			rqos = rqos->next;  in blk_mq_debugfs_register()
752 void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos)  in blk_mq_debugfs_unregister_rqos()  argument
754 	lockdep_assert_held(&rqos->disk->queue->debugfs_mutex);  in blk_mq_debugfs_unregister_rqos()
756 	if (!rqos->disk->queue->debugfs_dir)  in blk_mq_debugfs_unregister_rqos()
758 	debugfs_remove_recursive(rqos->debugfs_dir);  in blk_mq_debugfs_unregister_rqos()
759 	rqos->debugfs_dir = NULL;  in blk_mq_debugfs_unregister_rqos()
762 void blk_mq_debugfs_register_rqos(struct rq_qos *rqos)  in blk_mq_debugfs_register_rqos()  argument
764 	struct request_queue *q = rqos->disk->queue;  in blk_mq_debugfs_register_rqos()
765 	const char *dir_name = rq_qos_id_to_name(rqos->id);  in blk_mq_debugfs_register_rqos()
769 	if (rqos->debugfs_dir || !rqos->ops->debugfs_attrs)  in blk_mq_debugfs_register_rqos()
773 		q->rqos_debugfs_dir = debugfs_create_dir("rqos",  in blk_mq_debugfs_register_rqos()
776 	rqos->debugfs_dir = debugfs_create_dir(dir_name, q->rqos_debugfs_dir);  in blk_mq_debugfs_register_rqos()
777 	debugfs_create_files(rqos->debugfs_dir, rqos, rqos->ops->debugfs_attrs);  in blk_mq_debugfs_register_rqos()