268 	struct block_device *part = dev_to_bdev(dev);  in part_uevent()  local
270 	add_uevent_var(env, "PARTN=%u", part->bd_partno);  in part_uevent()
271 	if (part->bd_meta_info && part->bd_meta_info->volname[0])  in part_uevent()
272 		add_uevent_var(env, "PARTNAME=%s", part->bd_meta_info->volname);  in part_uevent()
283 static void delete_partition(struct block_device *part)  in delete_partition()  argument
285 	lockdep_assert_held(&part->bd_disk->open_mutex);  in delete_partition()
287 	fsync_bdev(part);  in delete_partition()
288 	__invalidate_device(part, true);  in delete_partition()
290 	xa_erase(&part->bd_disk->part_tbl, part->bd_partno);  in delete_partition()
291 	kobject_put(part->bd_holder_dir);  in delete_partition()
292 	device_del(&part->bd_device);  in delete_partition()
298 	remove_inode_hash(part->bd_inode);  in delete_partition()
300 	put_device(&part->bd_device);  in delete_partition()
435 	struct block_device *part;  in partition_overlaps()  local
440 	xa_for_each_start(&disk->part_tbl, idx, part, 1) {  in partition_overlaps()
441 		if (part->bd_partno != skip_partno &&  in partition_overlaps()
442 		    start < part->bd_start_sect + bdev_nr_sectors(part) &&  in partition_overlaps()
443 		    start + length > part->bd_start_sect) {  in partition_overlaps()
456 	struct block_device *part;  in bdev_add_partition()  local
470 	part = add_partition(disk, partno, start, length,  in bdev_add_partition()
472 	ret = PTR_ERR_OR_ZERO(part);  in bdev_add_partition()
480 	struct block_device *part = NULL;  in bdev_del_partition()  local
484 	part = xa_load(&disk->part_tbl, partno);  in bdev_del_partition()
485 	if (!part)  in bdev_del_partition()
489 	if (part->bd_openers)  in bdev_del_partition()
492 	delete_partition(part);  in bdev_del_partition()
502 	struct block_device *part = NULL;  in bdev_resize_partition()  local
506 	part = xa_load(&disk->part_tbl, partno);  in bdev_resize_partition()
507 	if (!part)  in bdev_resize_partition()
511 	if (start != part->bd_start_sect)  in bdev_resize_partition()
518 	bdev_set_nr_sectors(part, length);  in bdev_resize_partition()
544 	struct block_device *part;  in blk_drop_partitions()  local
549 	xa_for_each_start(&disk->part_tbl, idx, part, 1)  in blk_drop_partitions()
550 		delete_partition(part);  in blk_drop_partitions()
558 	struct block_device *part;  in blk_add_partition()  local
588 	part = add_partition(disk, p, from, size, state->parts[p].flags,  in blk_add_partition()
590 	if (IS_ERR(part) && PTR_ERR(part) != -ENXIO) {  in blk_add_partition()
592 		       disk->disk_name, p, -PTR_ERR(part));  in blk_add_partition()
598 		md_autodetect_dev(part->bd_dev);  in blk_add_partition()