struct btrfs_trans_handle *btrfs_join_transaction_nostart(struct btrfs_root *root)
{
	return start_transaction(root, 0, TRANS_JOIN_NOSTART,
				 BTRFS_RESERVE_NO_FLUSH, true);
}
struct btrfs_trans_handle *btrfs_join_transaction_nostart(struct btrfs_root *root)
{
	return start_transaction(root, 0, TRANS_JOIN_NOSTART,
				 BTRFS_RESERVE_NO_FLUSH, true);
}