73 static int queue_mode = NULL_Q_MQ;  variable
92 	return null_param_store_val(str, &queue_mode, NULL_Q_BIO, NULL_Q_MQ);  in null_set_queue_mode()
100 device_param_cb(queue_mode, &null_queue_mode_param_ops, &queue_mode, S_IRUGO);
101 MODULE_PARM_DESC(queue_mode, "Block interface to use (0=bio,1=rq,2=multiqueue)");
225 	switch (queue_mode)  {  in end_cmd()
241 	if (queue_mode == NULL_Q_RQ && blk_queue_stopped(q)) {  in end_cmd()
266 	if (queue_mode == NULL_Q_MQ)  in null_softirq_done_fn()
277 		switch (queue_mode)  {  in null_handle_cmd()
426 	if (queue_mode == NULL_Q_MQ)  in null_del_dev()
659 	if (queue_mode == NULL_Q_MQ && use_per_node_hctx)  in null_add_dev()
666 	if (queue_mode == NULL_Q_MQ) {  in null_add_dev()
684 	} else if (queue_mode == NULL_Q_BIO) {  in null_add_dev()
756 	if (queue_mode == NULL_Q_MQ)  in null_add_dev()
784 	if (use_lightnvm && queue_mode != NULL_Q_MQ) {  in null_init()
787 		queue_mode = NULL_Q_MQ;  in null_init()
790 	if (queue_mode == NULL_Q_MQ && use_per_node_hctx) {  in null_init()