filled := make([]byte, size)
	parityData := make(map[int]map[int][]byte)
	fmt.Printf("Attempting to combine version %q.\n", out)
	for _, file := range files {
		b, err := os.ReadFile(file)
		if err != nil {
			return err
		}
		meta, err := os.ReadFile(file + ".json")
		if err != nil {
			return err
		}
		type erasureInfo struct {
			V2Obj *struct {
				EcDist  []int
				EcIndex int
				EcM     int

		return nil, err
	}
	defer done(&err)

	return p.storage.ListDir(ctx, origvolume, volume, dirPath, count)
}

// Legacy API - does not have any deadlines
func (p *xlStorageDiskIDCheck) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error) {
	ctx, done, err := p.TrackDiskHealth(ctx, storageMetricReadFile, volume, path)
	if err != nil {

				// if so, decrypt it using the user-provided password.
				certBytes, err := os.ReadFile(certFile)
				if err != nil {
					return tls.Certificate{}, fmt.Errorf("Unable to load KES client certificate as specified by the shell environment: %v", err)
				}
				keyBytes, err := os.ReadFile(keyFile)
				if err != nil {

	respBody, err := client.call(ctx, storageRESTMethodReadFileStream, values, nil, -1)
	if err != nil {
		return nil, err
	}
	return respBody, nil
}

// ReadFile - reads section of a file.
func (client *storageRESTClient) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (int64, error) {
	values := make(url.Values)
	values.Set(storageRESTVolume, volume)

	if sshPrivateKey == "" {
		logger.Fatal(fmt.Errorf("invalid arguments passed, private key file is mandatory for --sftp='ssh-private-key=path/to/id_ecdsa'"), "unable to start SFTP server")
	}

	privateBytes, err := os.ReadFile(sshPrivateKey)
	if err != nil {
		logger.Fatal(fmt.Errorf("invalid arguments passed, private key file is not accessible: %v", err), "unable to start SFTP server")
	}

	private, err := ssh.ParsePrivateKey(privateBytes)

	if err != nil {
		t.Fatal(err)
	}

	if migratedVersion != formatErasureVersionV3 {
		t.Fatalf("expected version: %s, got: %s", formatErasureVersionV3, migratedVersion)
	}

	b, err = os.ReadFile(pathJoin(rootPath, minioMetaBucket, formatConfigFile))
	if err != nil {
		t.Fatal(err)
	}
	formatV3 := &formatErasureV3{}
	if err = json.Unmarshal(b, formatV3); err != nil {
		t.Fatal(err)
	}

		}
		verifier = NewBitrotVerifier(BitrotAlgorithmFromString(r.Form.Get(storageRESTBitrotAlgo)), hash)
	}
	buf := make([]byte, length)
	defer metaDataPoolPut(buf) // Reuse if we can.
	_, err = s.getStorage().ReadFile(r.Context(), volume, filePath, int64(offset), buf, verifier)
	if err != nil {
		s.writeErrorResponse(w, err)
		return
	}
	w.Header().Set(xhttp.ContentLength, strconv.Itoa(len(buf)))
	w.Write(buf)
}

		if dataDir != tc.expectedDataDir {
			t.Fatalf("Expected %s but got %s", tc.expectedDataDir, dataDir)
		}
		count++
	}
}

func Benchmark_mergeXLV2Versions(b *testing.B) {
	data, err := os.ReadFile("testdata/xl.meta-v1.2.zst")
	if err != nil {
		b.Fatal(err)
	}
	dec, _ := zstd.NewReader(nil)
	data, err = dec.DecodeAll(data, nil)
	if err != nil {
		b.Fatal(err)
	}

	var xl xlMetaV2

				meta.name = decodeDirObject(meta.name)

				return send(meta)
			}
			// Check legacy.
			if HasSuffix(entry, xlStorageFormatFileV1) && legacy {
				var meta metaCacheEntry
				meta.metadata, err = xioutil.ReadFile(pathJoinBuf(sb, volumeDir, current, entry))
				diskHealthCheckOK(ctx, err)
				if err != nil {
					if !IsErrIgnored(err, io.EOF, io.ErrUnexpectedEOF) {
						internalLogIf(ctx, err)
					}
					continue

	cgroupV2MemLimitFile = "/sys/fs/cgroup/memory.max"
	cgroupMemNoLimit     = 9223372036854771712
)

func cgroupMemLimit() (limit uint64) {
	buf, err := os.ReadFile(cgroupV2MemLimitFile)
	if err != nil {
		buf, err = os.ReadFile(cgroupV1MemLimitFile)
	}
	if err != nil {
		return 0
	}
	limit, err = strconv.ParseUint(strings.TrimSpace(string(buf)), 10, 64)
	if err != nil {