259 	struct block_device *part = dev_to_bdev(dev);  in part_uevent()  local
261 	add_uevent_var(env, "PARTN=%u", part->bd_partno);  in part_uevent()
262 	if (part->bd_meta_info && part->bd_meta_info->volname[0])  in part_uevent()
263 		add_uevent_var(env, "PARTNAME=%s", part->bd_meta_info->volname);  in part_uevent()
274 static void delete_partition(struct block_device *part)  in delete_partition()  argument
276 	lockdep_assert_held(&part->bd_disk->open_mutex);  in delete_partition()
278 	fsync_bdev(part);  in delete_partition()
279 	__invalidate_device(part, true);  in delete_partition()
281 	xa_erase(&part->bd_disk->part_tbl, part->bd_partno);  in delete_partition()
282 	kobject_put(part->bd_holder_dir);  in delete_partition()
283 	device_del(&part->bd_device);  in delete_partition()
289 	remove_inode_hash(part->bd_inode);  in delete_partition()
291 	put_device(&part->bd_device);  in delete_partition()
426 	struct block_device *part;  in partition_overlaps()  local
431 	xa_for_each_start(&disk->part_tbl, idx, part, 1) {  in partition_overlaps()
432 		if (part->bd_partno != skip_partno &&  in partition_overlaps()
433 		    start < part->bd_start_sect + bdev_nr_sectors(part) &&  in partition_overlaps()
434 		    start + length > part->bd_start_sect) {  in partition_overlaps()
447 	struct block_device *part;  in bdev_add_partition()  local
461 	part = add_partition(disk, partno, start, length,  in bdev_add_partition()
463 	ret = PTR_ERR_OR_ZERO(part);  in bdev_add_partition()
471 	struct block_device *part = NULL;  in bdev_del_partition()  local
475 	part = xa_load(&disk->part_tbl, partno);  in bdev_del_partition()
476 	if (!part)  in bdev_del_partition()
480 	if (atomic_read(&part->bd_openers))  in bdev_del_partition()
483 	delete_partition(part);  in bdev_del_partition()
493 	struct block_device *part = NULL;  in bdev_resize_partition()  local
497 	part = xa_load(&disk->part_tbl, partno);  in bdev_resize_partition()
498 	if (!part)  in bdev_resize_partition()
502 	if (start != part->bd_start_sect)  in bdev_resize_partition()
509 	bdev_set_nr_sectors(part, length);  in bdev_resize_partition()
532 	struct block_device *part;  in blk_drop_partitions()  local
537 	xa_for_each_start(&disk->part_tbl, idx, part, 1)  in blk_drop_partitions()
538 		delete_partition(part);  in blk_drop_partitions()
546 	struct block_device *part;  in blk_add_partition()  local
576 	part = add_partition(disk, p, from, size, state->parts[p].flags,  in blk_add_partition()
578 	if (IS_ERR(part) && PTR_ERR(part) != -ENXIO) {  in blk_add_partition()
580 		       disk->disk_name, p, -PTR_ERR(part));  in blk_add_partition()
586 		md_autodetect_dev(part->bd_dev);  in blk_add_partition()