35 	struct request_queue *q;  member
220 	struct request_queue *q = NULL;  in end_cmd()  local
223 		q = cmd->rq->q;  in end_cmd()
241 	if (queue_mode == NULL_Q_RQ && blk_queue_stopped(q)) {  in end_cmd()
244 		spin_lock_irqsave(q->queue_lock, flags);  in end_cmd()
245 		blk_start_queue_async(q);  in end_cmd()
246 		spin_unlock_irqrestore(q->queue_lock, flags);  in end_cmd()
311 static blk_qc_t null_queue_bio(struct request_queue *q, struct bio *bio)  in null_queue_bio()  argument
313 	struct nullb *nullb = q->queuedata;  in null_queue_bio()
324 static int null_rq_prep_fn(struct request_queue *q, struct request *req)  in null_rq_prep_fn()  argument
326 	struct nullb *nullb = q->queuedata;  in null_rq_prep_fn()
336 	blk_stop_queue(q);  in null_rq_prep_fn()
341 static void null_request_fn(struct request_queue *q)  in null_request_fn()  argument
345 	while ((rq = blk_fetch_request(q)) != NULL) {  in null_request_fn()
348 		spin_unlock_irq(q->queue_lock);  in null_request_fn()
350 		spin_lock_irq(q->queue_lock);  in null_request_fn()
425 	blk_cleanup_queue(nullb->q);  in null_del_dev()
448 	struct request_queue *q = dev->q;  in null_lnvm_submit_io()  local
452 	rq = blk_mq_alloc_request(q, bio_rw(bio), GFP_KERNEL, 0);  in null_lnvm_submit_io()
461 		rq->nr_phys_segments = bio_phys_segments(q, bio);  in null_lnvm_submit_io()
468 	blk_execute_rq_nowait(q, NULL, rq, 0, null_lnvm_end_io);  in null_lnvm_submit_io()
679 		nullb->q = blk_mq_init_queue(&nullb->tag_set);  in null_add_dev()
680 		if (IS_ERR(nullb->q)) {  in null_add_dev()
685 		nullb->q = blk_alloc_queue_node(GFP_KERNEL, home_node);  in null_add_dev()
686 		if (!nullb->q) {  in null_add_dev()
690 		blk_queue_make_request(nullb->q, null_queue_bio);  in null_add_dev()
695 		nullb->q = blk_init_queue_node(null_request_fn, &nullb->lock, home_node);  in null_add_dev()
696 		if (!nullb->q) {  in null_add_dev()
700 		blk_queue_prep_rq(nullb->q, null_rq_prep_fn);  in null_add_dev()
701 		blk_queue_softirq_done(nullb->q, null_softirq_done_fn);  in null_add_dev()
707 	nullb->q->queuedata = nullb;  in null_add_dev()
708 	queue_flag_set_unlocked(QUEUE_FLAG_NONROT, nullb->q);  in null_add_dev()
709 	queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, nullb->q);  in null_add_dev()
717 	blk_queue_logical_block_size(nullb->q, bs);  in null_add_dev()
718 	blk_queue_physical_block_size(nullb->q, bs);  in null_add_dev()
723 		rv = nvm_register(nullb->q, nullb->disk_name,  in null_add_dev()
743 	disk->queue		= nullb->q;  in null_add_dev()
754 	blk_cleanup_queue(nullb->q);  in null_add_dev()