)

func renameAllBucketMetacache(epPath string) error {
	// Rename all previous `.minio.sys/buckets/<bucketname>/.metacache` to
	// to `.minio.sys/tmp/` for deletion.
	return readDirFn(pathJoin(epPath, minioMetaBucket, bucketMetaPrefix), func(name string, typ os.FileMode) error {
		if typ == os.ModeDir {
			tmpMetacacheOld := pathutil.Join(epPath, minioMetaTmpDeletedBucket, mustGetUUID())