1038 			 void *holder)  in bd_may_claim()  argument
1040 	if (bdev->bd_holder == holder)  in bd_may_claim()
1074 			       struct block_device *whole, void *holder)  in bd_prepare_to_claim()  argument
1078 	if (!bd_may_claim(bdev, whole, holder))  in bd_prepare_to_claim()
1142 struct block_device *bd_start_claiming(struct block_device *bdev, void *holder)  in bd_start_claiming()  argument
1178 	err = bd_prepare_to_claim(bdev, whole, holder);  in bd_start_claiming()
1180 		whole->bd_claiming = holder;  in bd_start_claiming()
1191 static void bd_clear_claiming(struct block_device *whole, void *holder)  in bd_clear_claiming()  argument
1195 	BUG_ON(whole->bd_claiming != holder);  in bd_clear_claiming()
1210 			void *holder)  in bd_finish_claiming()  argument
1213 	BUG_ON(!bd_may_claim(bdev, whole, holder));  in bd_finish_claiming()
1221 	bdev->bd_holder = holder;  in bd_finish_claiming()
1222 	bd_clear_claiming(whole, holder);  in bd_finish_claiming()
1238 		       void *holder)  in bd_abort_claiming()  argument
1241 	bd_clear_claiming(whole, holder);  in bd_abort_claiming()
1256 	struct bd_holder_disk *holder;  in bd_find_holder_disk()  local
1258 	list_for_each_entry(holder, &bdev->bd_holder_disks, list)  in bd_find_holder_disk()
1259 		if (holder->disk == disk)  in bd_find_holder_disk()
1260 			return holder;  in bd_find_holder_disk()
1304 	struct bd_holder_disk *holder;  in bd_link_disk_holder()  local
1315 	holder = bd_find_holder_disk(bdev, disk);  in bd_link_disk_holder()
1316 	if (holder) {  in bd_link_disk_holder()
1317 		holder->refcnt++;  in bd_link_disk_holder()
1321 	holder = kzalloc(sizeof(*holder), GFP_KERNEL);  in bd_link_disk_holder()
1322 	if (!holder) {  in bd_link_disk_holder()
1327 	INIT_LIST_HEAD(&holder->list);  in bd_link_disk_holder()
1328 	holder->disk = disk;  in bd_link_disk_holder()
1329 	holder->refcnt = 1;  in bd_link_disk_holder()
1344 	list_add(&holder->list, &bdev->bd_holder_disks);  in bd_link_disk_holder()
1350 	kfree(holder);  in bd_link_disk_holder()
1369 	struct bd_holder_disk *holder;  in bd_unlink_disk_holder()  local
1373 	holder = bd_find_holder_disk(bdev, disk);  in bd_unlink_disk_holder()
1375 	if (!WARN_ON_ONCE(holder == NULL) && !--holder->refcnt) {  in bd_unlink_disk_holder()
1380 		list_del_init(&holder->list);  in bd_unlink_disk_holder()
1381 		kfree(holder);  in bd_unlink_disk_holder()
1692 int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder)  in blkdev_get()  argument
1697 	WARN_ON_ONCE((mode & FMODE_EXCL) && !holder);  in blkdev_get()
1699 	if ((mode & FMODE_EXCL) && holder) {  in blkdev_get()
1700 		whole = bd_start_claiming(bdev, holder);  in blkdev_get()
1715 			bd_finish_claiming(bdev, whole, holder);  in blkdev_get()
1717 			bd_abort_claiming(bdev, whole, holder);  in blkdev_get()
1757 					void *holder)  in blkdev_get_by_path()  argument
1766 	err = blkdev_get(bdev, mode, holder);  in blkdev_get_by_path()
1801 struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder)  in blkdev_get_by_dev()  argument
1810 	err = blkdev_get(bdev, mode, holder);  in blkdev_get_by_dev()