if (parentData == null) {
                currentData = superData;
            } else if (!parentIds.add(parentData.getId())) {
                StringBuilder message = new StringBuilder("The parents form a cycle: ");
                for (String parentId : parentIds) {
                    message.append(parentId).append(" -> ");
                }
                message.append(parentData.getId());

	}

	if err = s.WriteAll(ctx, dstVolume, dstPath+".meta", meta); err != nil {
		return osErrToFileErr(err)
	}

	// Remove parent dir of the source file if empty
	parentDir := pathutil.Dir(srcFilePath)
	s.deleteFile(srcVolumeDir, parentDir, false, false)

	return nil
}

// RenameFile - rename source path to destination path atomically.