1100 	struct gendisk *disk = get_gendisk(bdev->bd_dev, partno);  in bdev_get_gendisk()  local
1102 	if (!disk)  in bdev_get_gendisk()
1113 		put_disk_and_module(disk);  in bdev_get_gendisk()
1116 	return disk;  in bdev_get_gendisk()
1144 	struct gendisk *disk;  in bd_start_claiming()  local
1154 	disk = bdev_get_gendisk(bdev, &partno);  in bd_start_claiming()
1155 	if (!disk)  in bd_start_claiming()
1167 		whole = bdget_disk(disk, 0);  in bd_start_claiming()
1171 	put_disk_and_module(disk);  in bd_start_claiming()
1249 	struct gendisk		*disk;  member
1254 						  struct gendisk *disk)  in bd_find_holder_disk()  argument
1259 		if (holder->disk == disk)  in bd_find_holder_disk()
1302 int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_link_disk_holder()  argument
1312 	if (WARN_ON(!disk->slave_dir || !bdev->bd_part->holder_dir))  in bd_link_disk_holder()
1315 	holder = bd_find_holder_disk(bdev, disk);  in bd_link_disk_holder()
1328 	holder->disk = disk;  in bd_link_disk_holder()
1331 	ret = add_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
1335 	ret = add_symlink(bdev->bd_part->holder_dir, &disk_to_dev(disk)->kobj);  in bd_link_disk_holder()
1348 	del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
1367 void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_unlink_disk_holder()  argument
1373 	holder = bd_find_holder_disk(bdev, disk);  in bd_unlink_disk_holder()
1376 		del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_unlink_disk_holder()
1378 			    &disk_to_dev(disk)->kobj);  in bd_unlink_disk_holder()
1423 void check_disk_size_change(struct gendisk *disk, struct block_device *bdev,  in check_disk_size_change()  argument
1428 	disk_size = (loff_t)get_capacity(disk) << 9;  in check_disk_size_change()
1434 			       disk->disk_name, bdev_size, disk_size);  in check_disk_size_change()
1450 int revalidate_disk(struct gendisk *disk)  in revalidate_disk()  argument
1454 	if (disk->fops->revalidate_disk)  in revalidate_disk()
1455 		ret = disk->fops->revalidate_disk(disk);  in revalidate_disk()
1461 	if (!(disk->flags & GENHD_FL_HIDDEN)) {  in revalidate_disk()
1462 		struct block_device *bdev = bdget_disk(disk, 0);  in revalidate_disk()
1468 		check_disk_size_change(disk, bdev, ret == 0);  in revalidate_disk()
1488 	struct gendisk *disk = bdev->bd_disk;  in check_disk_change()  local
1489 	const struct block_device_operations *bdops = disk->fops;  in check_disk_change()
1492 	events = disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE |  in check_disk_change()
1524 	struct gendisk *disk;  in __blkdev_get()  local
1548 	disk = bdev_get_gendisk(bdev, &partno);  in __blkdev_get()
1549 	if (!disk)  in __blkdev_get()
1552 	disk_block_events(disk);  in __blkdev_get()
1556 		bdev->bd_disk = disk;  in __blkdev_get()
1557 		bdev->bd_queue = disk->queue;  in __blkdev_get()
1563 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1568 			if (disk->fops->open) {  in __blkdev_get()
1569 				ret = disk->fops->open(bdev, mode);  in __blkdev_get()
1580 					disk_unblock_events(disk);  in __blkdev_get()
1581 					put_disk_and_module(disk);  in __blkdev_get()
1587 				bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);  in __blkdev_get()
1599 					rescan_partitions(disk, bdev);  in __blkdev_get()
1601 					invalidate_partitions(disk, bdev);  in __blkdev_get()
1608 			whole = bdget_disk(disk, 0);  in __blkdev_get()
1617 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1618 			if (!(disk->flags & GENHD_FL_UP) ||  in __blkdev_get()
1628 			bdev->bd_bdi = bdi_get(disk->queue->backing_dev_info);  in __blkdev_get()
1649 	disk_unblock_events(disk);  in __blkdev_get()
1652 		put_disk_and_module(disk);  in __blkdev_get()
1665 	disk_unblock_events(disk);  in __blkdev_get()
1666 	put_disk_and_module(disk);  in __blkdev_get()
1710 		struct gendisk *disk = whole->bd_disk;  in blkdev_get()  local
1726 		    (disk->flags & GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE)) {  in blkdev_get()
1728 			disk_block_events(disk);  in blkdev_get()
1851 	struct gendisk *disk = bdev->bd_disk;  in __blkdev_put()  local
1866 		if (disk->fops->release)  in __blkdev_put()
1867 			disk->fops->release(disk, mode);  in __blkdev_put()
1877 		put_disk_and_module(disk);  in __blkdev_put()