if err != nil {
		return
	}
	err = en.WriteString(z.DiskID)
	if err != nil {
		err = msgp.WrapError(err, "DiskID")
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *WalkDirOptions) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 8
	// string "Bucket"
	o = append(o, 0x88, 0xa6, 0x42, 0x75, 0x63, 0x6b, 0x65, 0x74)

			r := RemoteErr(err.Error())
			return nil, &r
		}
		resp, rerr := handle(req)
		h.recycleReq(req)

		if rerr != nil {
			PutByteBuffer(payload)
			return nil, rerr
		}
		payload, err = resp.MarshalMsg(payload[:0])
		if !h.sharedResp {
			h.PutResponse(resp)
		}
		if err != nil {
			PutByteBuffer(payload)
			r := RemoteErr(err.Error())
			return nil, &r
		}
		return payload, nil

			msg.Payload = GetByteBufferCap(sz)
		}
		var err error
		msg.Payload, err = payload.MarshalMsg(msg.Payload[:0])
		msg.Op = payload.Op()
		if err != nil {
			return err
		}
	}
	defer PutByteBuffer(msg.Payload)
	dst := GetByteBufferCap(msg.Msgsize())
	dst, err := msg.MarshalMsg(dst)
	if err != nil {
		return err
	}
	if msg.Flags&FlagCRCxxh3 != 0 {
		h := xxh3.Hash(dst)

	}
	return err
}

// Call makes a REST call to the remote endpoint using the msgp codec
func (restClient *ReconnectRESTClient) Call(method string, args LockArgs) (status bool, err error) {
	buf, err := args.MarshalMsg(nil)
	if err != nil {
		return false, err
	}
	body := bytes.NewReader(buf)
	respBody, err := restClient.rest.Call(context.Background(), method,
		url.Values{}, body, body.Size())

		resp := connectResp{
			ID:             m.ID,
			Accepted:       false,
			RejectedReason: err.Error(),
		}
		if b, err := resp.MarshalMsg(nil); err == nil {
			msg := message{
				Op:      OpConnectResponse,
				Payload: b,
			}
			if b, err := msg.MarshalMsg(nil); err == nil {
				wsutil.WriteMessage(conn, ws.StateServerSide, ws.OpBinary, b)
			}
		}
	}
	defer conn.Close()
	if debugPrint {

	values := make(url.Values)
	values.Set(storageRESTVolume, volume)

	rp := &ReadPartsReq{Paths: partMetaPaths}
	buf, err := rp.MarshalMsg(nil)
	if err != nil {
		return nil, err
	}

	respBody, err := client.call(ctx, storageRESTMethodReadParts, values, bytes.NewReader(buf), -1)
	defer xhttp.DrainBody(respBody)
	if err != nil {

func (j *xlMetaV2DeleteMarker) Signature() [4]byte {
	// Shallow copy
	c := *j

	// Marshal metadata
	crc := hashDeterministicBytes(c.MetaSys)
	c.MetaSys = nil
	if bts, err := c.MarshalMsg(metaDataPoolGet()); err == nil {
		crc ^= xxhash.Sum64(bts)
		metaDataPoolPut(bts)
	}

	// Combine upper and lower part
	var tmp [4]byte
	binary.LittleEndian.PutUint32(tmp[:], uint32(crc^(crc>>32)))

	// Shallow copy
	c := *m
	// Zero unimportant fields
	c.Erasure.Index = 0
	c.Minio.Release = ""
	crc := hashDeterministicString(c.Meta)
	c.Meta = nil

	if bts, err := c.MarshalMsg(metaDataPoolGet()); err == nil {
		crc ^= xxhash.Sum64(bts)
		metaDataPoolPut(bts)
	}

	// Combine upper and lower part
	var tmp [4]byte
	binary.LittleEndian.PutUint32(tmp[:], uint32(crc^(crc>>32)))

func (client *storageRESTClient) WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) error {
	// Ensure remote has the same disk ID.
	opts.DiskID = *client.diskID.Load()
	b, err := opts.MarshalMsg(grid.GetByteBuffer()[:0])
	if err != nil {
		return toStorageErr(err)
	}

	st, err := client.gridConn.NewStream(ctx, grid.HandlerWalkDir, b)
	if err != nil {
		return toStorageErr(err)
	}

	// Initialize the header.
	binary.LittleEndian.PutUint16(data[0:2], tierConfigFormat)
	binary.LittleEndian.PutUint16(data[2:4], tierConfigVersion)

	// Marshal the tier config
	return config.MarshalMsg(data)
}

// getDriver returns a warmBackend interface object initialized with remote tier config matching tierName
func (config *TierConfigMgr) getDriver(ctx context.Context, tierName string) (d WarmBackend, err error) {