// 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)))

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

// MarshalMsg implements msgp.Marshaler
func (z *healingTracker) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 29
	// string "ID"
	o = append(o, 0xde, 0x0, 0x1d, 0xa2, 0x49, 0x44)

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

// MarshalMsg implements msgp.Marshaler
func (z *BucketMetadata) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 25
	// string "Name"
	o = append(o, 0xde, 0x0, 0x19, 0xa4, 0x4e, 0x61, 0x6d, 0x65)

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)
	}

	for zb0004 := range z {
		err = en.WriteString(zb0004)
		if err != nil {
			err = msgp.WrapError(err, zb0004)
			return
		}
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z dataUsageHashMap) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	o = msgp.AppendArrayHeader(o, uint32(len(z)))
	for zb0004 := range z {
		o = msgp.AppendString(o, zb0004)
	}

	// 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) {

		data := make([]byte, 4, ri.Msgsize()+4)

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

		buf, err := ri.MarshalMsg(data)
		ri.mu.Unlock()
		if err != nil {
			return err
		}
		path, err := ri.getJobReportPath()
		if err != nil {
			batchLogIf(ctx, err)
			return err
		}

	dErrsResp := &DeleteVersionsErrsResp{Errs: make([]string, totalVersions)}
	for idx := range versions {
		if errs[idx] != nil {
			dErrsResp.Errs[idx] = errs[idx].Error()
		}
	}

	buf, _ := dErrsResp.MarshalMsg(nil)
	w.Write(buf)
}

// RenameDataHandler - renames a meta object and data dir to destination.
func (s *storageRESTServer) RenameDataHandler(p *RenameDataHandlerParams) (*RenameDataResp, *grid.RemoteErr) {

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

	// Marshal the bucket metadata
	data, err := b.MarshalMsg(data)
	if err != nil {
		return err
	}

	configFile := path.Join(bucketMetaPrefix, b.Name, bucketMetadataFile)
	return saveConfig(ctx, api, configFile, data)
}

			if ep, ok := api.(*erasureServerPools); ok {
				h.PoolIndex, h.SetIndex, h.DiskIndex, _ = ep.getPoolAndSet(h.ID)
			}
		}
	}
	h.LastUpdate = time.Now().UTC()
	htrackerBytes, err := h.MarshalMsg(nil)
	h.mu.Unlock()
	if err != nil {
		return err
	}
	globalBackgroundHealState.updateHealStatus(h)
	return h.disk.WriteAll(ctx, minioMetaBucket,
		pathJoin(bucketMetaPrefix, healingTrackerFilename),