btrfs_insert_inode_ref
int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,
ret = btrfs_insert_inode_ref(trans, root, name,
ret = btrfs_insert_inode_ref(trans, dest, new_name, old_ino,
ret = btrfs_insert_inode_ref(trans, root, old_name, new_ino,
ret = btrfs_insert_inode_ref(trans, dest, &new_fname.disk_name,