540 			 void *holder)  in bd_may_claim()  argument
542 	if (bdev->bd_holder == holder)  in bd_may_claim()
569 int bd_prepare_to_claim(struct block_device *bdev, void *holder)  in bd_prepare_to_claim()  argument
573 	if (WARN_ON_ONCE(!holder))  in bd_prepare_to_claim()
578 	if (!bd_may_claim(bdev, whole, holder)) {  in bd_prepare_to_claim()
596 	whole->bd_claiming = holder;  in bd_prepare_to_claim()
602 static void bd_clear_claiming(struct block_device *whole, void *holder)  in bd_clear_claiming()  argument
606 	BUG_ON(whole->bd_claiming != holder);  in bd_clear_claiming()
619 static void bd_finish_claiming(struct block_device *bdev, void *holder)  in bd_finish_claiming()  argument
624 	BUG_ON(!bd_may_claim(bdev, whole, holder));  in bd_finish_claiming()
632 	bdev->bd_holder = holder;  in bd_finish_claiming()
633 	bd_clear_claiming(whole, holder);  in bd_finish_claiming()
646 void bd_abort_claiming(struct block_device *bdev, void *holder)  in bd_abort_claiming()  argument
649 	bd_clear_claiming(bdev_whole(bdev), holder);  in bd_abort_claiming()
789 struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder)  in blkdev_get_by_dev()  argument
809 		ret = bd_prepare_to_claim(bdev, holder);  in blkdev_get_by_dev()
827 		bd_finish_claiming(bdev, holder);  in blkdev_get_by_dev()
850 		bd_abort_claiming(bdev, holder);  in blkdev_get_by_dev()
877 					void *holder)  in blkdev_get_by_path()  argument
887 	bdev = blkdev_get_by_dev(dev, mode, holder);  in blkdev_get_by_path()