59 		if (h->disk)  in nvme_mpath_unfreeze()
60 			blk_mq_unfreeze_queue(h->disk->queue);  in nvme_mpath_unfreeze()
69 		if (h->disk)  in nvme_mpath_wait_freeze()
70 			blk_mq_freeze_queue_wait(h->disk->queue);  in nvme_mpath_wait_freeze()
79 		if (h->disk)  in nvme_mpath_start_freeze()
80 			blk_freeze_queue_start(h->disk->queue);  in nvme_mpath_start_freeze()
104 		bio_set_dev(bio, ns->head->disk->part0);  in nvme_failover_req()
123 		if (!ns->head->disk)  in nvme_kick_requeue_lists()
127 			disk_uevent(ns->head->disk, KOBJ_CHANGE);  in nvme_kick_requeue_lists()
175 	sector_t capacity = get_capacity(head->disk);  in nvme_mpath_revalidate_paths()
181 		if (capacity != get_capacity(ns->disk))  in nvme_mpath_revalidate_paths()
344 	struct device *dev = disk_to_dev(head->disk);  in nvme_ns_head_submit_bio()
358 		bio_set_dev(bio, ns->disk->part0);  in nvme_ns_head_submit_bio()
360 		trace_block_bio_remap(bio, disk_devt(ns->head->disk),  in nvme_ns_head_submit_bio()
385 static void nvme_ns_head_release(struct gendisk *disk, fmode_t mode)  in nvme_ns_head_release()  argument
387 	nvme_put_ns_head(disk->private_data);  in nvme_ns_head_release()
391 static int nvme_ns_head_report_zones(struct gendisk *disk, sector_t sector,  in nvme_ns_head_report_zones()  argument
394 	struct nvme_ns_head *head = disk->private_data;  in nvme_ns_head_report_zones()
499 	head->disk = blk_alloc_disk(ctrl->numa_node);  in nvme_mpath_alloc_disk()
500 	if (!head->disk)  in nvme_mpath_alloc_disk()
502 	head->disk->fops = &nvme_ns_head_ops;  in nvme_mpath_alloc_disk()
503 	head->disk->private_data = head;  in nvme_mpath_alloc_disk()
504 	sprintf(head->disk->disk_name, "nvme%dn%d",  in nvme_mpath_alloc_disk()
507 	blk_queue_flag_set(QUEUE_FLAG_NONROT, head->disk->queue);  in nvme_mpath_alloc_disk()
508 	blk_queue_flag_set(QUEUE_FLAG_NOWAIT, head->disk->queue);  in nvme_mpath_alloc_disk()
517 		blk_queue_flag_set(QUEUE_FLAG_POLL, head->disk->queue);  in nvme_mpath_alloc_disk()
519 	/* set to a default value of 512 until the disk is validated */  in nvme_mpath_alloc_disk()
520 	blk_queue_logical_block_size(head->disk->queue, 512);  in nvme_mpath_alloc_disk()
521 	blk_set_stacking_limits(&head->disk->queue->limits);  in nvme_mpath_alloc_disk()
522 	blk_queue_dma_alignment(head->disk->queue, 3);  in nvme_mpath_alloc_disk()
527 	blk_queue_write_cache(head->disk->queue, vwc, vwc);  in nvme_mpath_alloc_disk()
536 	if (!head->disk)  in nvme_mpath_set_live()
545 		rc = device_add_disk(&head->subsys->dev, head->disk,  in nvme_mpath_set_live()
835 	if (blk_queue_stable_writes(ns->queue) && ns->head->disk)  in nvme_mpath_add_disk()
837 				   ns->head->disk->queue);  in nvme_mpath_add_disk()
839 	if (blk_queue_is_zoned(ns->queue) && ns->head->disk)  in nvme_mpath_add_disk()
840 		ns->head->disk->nr_zones = ns->disk->nr_zones;  in nvme_mpath_add_disk()
846 	if (!head->disk)  in nvme_mpath_shutdown_disk()
851 		del_gendisk(head->disk);  in nvme_mpath_shutdown_disk()
857 	if (!head->disk)  in nvme_mpath_remove_disk()
859 	blk_mark_disk_dead(head->disk);  in nvme_mpath_remove_disk()
863 	put_disk(head->disk);  in nvme_mpath_remove_disk()