t.Fatalf("Unable to create a file \"as-file\", %s", err)
	}

	fi, err := xlStorage.ReadVersion(t.Context(), "", "exists-legacy", "as-file", "", ReadOptions{})
	if err != nil {
		t.Fatalf("Unable to read older 'xl.json' content: %s", err)
	}

	if !fi.XLV1 {

	// bigFileThreshold is the point where we add readahead to put operations.
	bigFileThreshold = 128 * humanize.MiByte

	// XL metadata file carries per object metadata.
	xlStorageFormatFile = "xl.meta"

	// XL metadata file backup file carries previous per object metadata.
	xlStorageFormatFileBackup = "xl.meta.bkp"
)

var alignedBuf []byte

func init() {
	alignedBuf = disk.AlignedBlock(xioutil.DirectioAlignSize)

	}
	var succModTime time.Time
	isLatest := true
	dst := make([]FileInfo, 0, vers)
	var xl xlMetaV2Version
	err = decodeVersions(buf, vers, func(idx int, hdr, meta []byte) error {
		if _, err := xl.unmarshalV(metaV, meta); err != nil {
			return err
		}
		if !xl.Valid() {
			return errFileCorrupt
		}
		fi, err := xl.ToFileInfo(volume, path, allParts)
		if err != nil {
			return err
		}

xl.meta-v1.2.zst xl.meta-v1.2.zst...

Klaus Post <******@****.***> 1759093161 +0200

		// is ready to be read.
		//
		// This is possible to be lock free because
		// - xl.meta for inlined objects has already read the data
		//   into memory, any mutation on xl.meta subsequently is
		//   inconsequential to the overall read operation.
		// - xl.meta metadata is still verified for quorum under lock()
		//   however writing the response doesn't need to serialize

		{testBuckets[5], "foo/201910/1112", "content", nil},
		{testBuckets[5], "foo/201910/2112", "content", nil},
		{testBuckets[5], "foo/201910_txt", "content", nil},
		{testBuckets[5], "201910/foo/bar/xl.meta/1.txt", "content", nil},
		{testBuckets[6], "aaa", "content", nil},
		{testBuckets[6], "bbb_aaa", "content", nil},
		{testBuckets[6], "bbb_aaa", "content", nil},
		{testBuckets[6], "ccc", "content", nil},
	}