46 const char *bdevname(struct block_device *bdev, char *buf)  in bdevname()  argument
48 	return disk_name(bdev->bd_disk, bdev->bd_part->partno, buf);  in bdevname()
401 static int drop_partitions(struct gendisk *disk, struct block_device *bdev)  in drop_partitions()  argument
407 	if (bdev->bd_part_count || bdev->bd_super)  in drop_partitions()
421 int rescan_partitions(struct gendisk *disk, struct block_device *bdev)  in rescan_partitions()  argument
432 	res = drop_partitions(disk, bdev);  in rescan_partitions()
439 	check_disk_size_change(disk, bdev);  in rescan_partitions()
440 	bdev->bd_invalidated = 0;  in rescan_partitions()
441 	if (!get_capacity(disk) || !(state = check_partition(disk, bdev)))  in rescan_partitions()
540 int invalidate_partitions(struct gendisk *disk, struct block_device *bdev)  in invalidate_partitions()  argument
544 	if (!bdev->bd_invalidated)  in invalidate_partitions()
547 	res = drop_partitions(disk, bdev);  in invalidate_partitions()
552 	check_disk_size_change(disk, bdev);  in invalidate_partitions()
553 	bdev->bd_invalidated = 0;  in invalidate_partitions()
560 unsigned char *read_dev_sector(struct block_device *bdev, sector_t n, Sector *p)  in read_dev_sector()  argument
562 	struct address_space *mapping = bdev->bd_inode->i_mapping;  in read_dev_sector()