static int remove_block_group_item(struct btrfs_trans_handle *trans,
				   struct btrfs_path *path,
				   struct btrfs_block_group *block_group)
{
	struct btrfs_fs_info *fs_info = trans->fs_info;
	struct btrfs_root *root;
	struct btrfs_key key;
	int ret;

	root = fs_info->extent_root;
	key.objectid = block_group->start;
	key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
	key.offset = block_group->length;

	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
	if (ret > 0)
		ret = -ENOENT;
	if (ret < 0)
		return ret;

	ret = btrfs_del_item(trans, root, path);
	return ret;
}
static int remove_block_group_item(struct btrfs_trans_handle *trans,
				   struct btrfs_path *path,
				   struct btrfs_block_group *block_group)
{
	struct btrfs_fs_info *fs_info = trans->fs_info;
	struct btrfs_root *root;
	struct btrfs_key key;
	int ret;

	root = fs_info->extent_root;
	key.objectid = block_group->start;
	key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
	key.offset = block_group->length;

	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
	if (ret > 0)
		ret = -ENOENT;
	if (ret < 0)
		return ret;

	ret = btrfs_del_item(trans, root, path);
	return ret;
}