ddir, err = uuid.Parse(dataDir)
	if err != nil {
		return 0
	}
	return x.SharedDataDirCount(uv, ddir)
}

// AddLegacy adds a legacy version, is only called when no prior
// versions exist, safe to use it by only one function in xl-storage(RenameData)
func (x *xlMetaV2) AddLegacy(m *xlMetaV1Object) error {
	if !m.valid() {
		return errFileCorrupt
	}
	m.VersionID = nullVersionID