ni_remove_name
err = ni_remove_name(dir_ni, ni, de, &de2, &undo);
ni_remove_name(new_dir_ni, ni, new_de, &de2, &undo));
err = ni_remove_name(dir_ni, ni, de, &de2, &undo_remove);
int ni_remove_name(struct ntfs_inode *dir_ni, struct ntfs_inode *ni,