1046 			 void *holder)  in bd_may_claim()  argument
1048 	if (bdev->bd_holder == holder)  in bd_may_claim()
1077 		void *holder)  in bd_prepare_to_claim()  argument
1082 	if (!bd_may_claim(bdev, whole, holder)) {  in bd_prepare_to_claim()
1100 	whole->bd_claiming = holder;  in bd_prepare_to_claim()
1127 static void bd_clear_claiming(struct block_device *whole, void *holder)  in bd_clear_claiming()  argument
1131 	BUG_ON(whole->bd_claiming != holder);  in bd_clear_claiming()
1146 		struct block_device *whole, void *holder)  in bd_finish_claiming()  argument
1149 	BUG_ON(!bd_may_claim(bdev, whole, holder));  in bd_finish_claiming()
1157 	bdev->bd_holder = holder;  in bd_finish_claiming()
1158 	bd_clear_claiming(whole, holder);  in bd_finish_claiming()
1173 		       void *holder)  in bd_abort_claiming()  argument
1176 	bd_clear_claiming(whole, holder);  in bd_abort_claiming()
1191 	struct bd_holder_disk *holder;  in bd_find_holder_disk()  local
1193 	list_for_each_entry(holder, &bdev->bd_holder_disks, list)  in bd_find_holder_disk()
1194 		if (holder->disk == disk)  in bd_find_holder_disk()
1195 			return holder;  in bd_find_holder_disk()
1239 	struct bd_holder_disk *holder;  in bd_link_disk_holder()  local
1250 	holder = bd_find_holder_disk(bdev, disk);  in bd_link_disk_holder()
1251 	if (holder) {  in bd_link_disk_holder()
1252 		holder->refcnt++;  in bd_link_disk_holder()
1256 	holder = kzalloc(sizeof(*holder), GFP_KERNEL);  in bd_link_disk_holder()
1257 	if (!holder) {  in bd_link_disk_holder()
1262 	INIT_LIST_HEAD(&holder->list);  in bd_link_disk_holder()
1263 	holder->disk = disk;  in bd_link_disk_holder()
1264 	holder->refcnt = 1;  in bd_link_disk_holder()
1279 	list_add(&holder->list, &bdev->bd_holder_disks);  in bd_link_disk_holder()
1285 	kfree(holder);  in bd_link_disk_holder()
1304 	struct bd_holder_disk *holder;  in bd_unlink_disk_holder()  local
1308 	holder = bd_find_holder_disk(bdev, disk);  in bd_unlink_disk_holder()
1310 	if (!WARN_ON_ONCE(holder == NULL) && !--holder->refcnt) {  in bd_unlink_disk_holder()
1315 		list_del_init(&holder->list);  in bd_unlink_disk_holder()
1316 		kfree(holder);  in bd_unlink_disk_holder()
1460 static int __blkdev_get(struct block_device *bdev, fmode_t mode, void *holder,  in __blkdev_get()  argument
1485 		WARN_ON_ONCE(!holder);  in __blkdev_get()
1490 		ret = bd_prepare_to_claim(bdev, claiming, holder);  in __blkdev_get()
1572 		bd_finish_claiming(bdev, claiming, holder);  in __blkdev_get()
1606 		bd_abort_claiming(bdev, claiming, holder);  in __blkdev_get()
1639 static int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder)  in blkdev_get()  argument
1651 	ret =__blkdev_get(bdev, mode, holder, 0);  in blkdev_get()
1679 					void *holder)  in blkdev_get_by_path()  argument
1688 	err = blkdev_get(bdev, mode, holder);  in blkdev_get_by_path()
1723 struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder)  in blkdev_get_by_dev()  argument
1732 	err = blkdev_get(bdev, mode, holder);  in blkdev_get_by_dev()