var info backgroundHealInfo
	if err = json.Unmarshal(buf, &info); err != nil {
		bugLogIf(ctx, err, backgroundHealInfoPath)
	}
	return info
}

func saveBackgroundHealInfo(ctx context.Context, objAPI ObjectLayer, info backgroundHealInfo) {
	if globalIsErasureSD {
		return
	}

	b, err := json.Marshal(info)
	if err != nil {
		bugLogIf(ctx, err)
		return
	}
	// Get last healing information

}

// newHCClient initializes an anonymous client for performing health check on the remote endpoints
func newHCClient() *madmin.AnonymousClient {
	clnt, e := madmin.NewAnonymousClientNoEndpoint()
	if e != nil {
		bugLogIf(GlobalContext, errors.New("Unable to initialize health check client"))
		return nil
	}
	clnt.SetCustomTransport(globalRemoteTargetTransport)
	return clnt
}

	}

	b, err := json.Marshal(madmin.HealStartSuccess{
		ClientToken:   clientToken,
		ClientAddress: h.clientAddress,
		StartTime:     h.startTime,
	})
	if err != nil {
		bugLogIf(h.ctx, err)
		return nil, toAdminAPIErr(h.ctx, err), ""
	}
	return b, noError, ""
}

// PopHealStatusJSON - Called by heal-status API. It fetches the heal

	EOS   bool   `json:"eos,omitempty"`
}

func (b metacacheBlock) headerKV() map[string]string {
	json := jsoniter.ConfigCompatibleWithStandardLibrary
	v, err := json.Marshal(b)
	if err != nil {
		bugLogIf(context.Background(), err) // Unlikely
		return nil
	}
	return map[string]string{fmt.Sprintf("%s-metacache-part-%d", ReservedMetadataPrefixLower, b.n): string(v)}
}

	if !opts.NoAuditLog {
		auditObjectErasureSet(ctx, "PutObjectPart", object, &er)
	}

	data := r.Reader
	// Validate input data size and it can never be less than zero.
	if data.Size() < -1 {
		bugLogIf(ctx, errInvalidArgument, logger.ErrorKind)
		return pi, toObjectErr(errInvalidArgument)
	}

	uploadIDPath := er.getUploadIDDir(bucket, object, uploadID)
	// Validates if upload ID exists.

}

// evalDisks - returns a new slice of disks where nil is set if
// the corresponding error in errs slice is not nil
func evalDisks(disks []StorageAPI, errs []error) []StorageAPI {
	if len(errs) != len(disks) {
		bugLogIf(GlobalContext, errors.New("unexpected drives/errors slice length"))
		return nil
	}
	newDisks := make([]StorageAPI, len(disks))
	for index := range errs {
		if errs[index] == nil {
			newDisks[index] = disks[index]

		v, ok := fi.Metadata[partKey]
		if !ok {
			o.debugln("no match in metadata, waiting")
			return -1, io.ErrUnexpectedEOF
		}
		err := json.Unmarshal([]byte(v), &tmp)
		if !ok {
			bugLogIf(context.Background(), err)
			return -1, err
		}
		if tmp.First == "" && tmp.Last == "" && tmp.EOS {
			return 0, errFileNotFound
		}
		if tmp.First >= search {
			o.debugln("First >= search", v)

	if statusCode == 0 {
		statusCode = 200
	}
	// Similar check to http.checkWriteHeaderCode
	if statusCode < 100 || statusCode > 999 {
		bugLogIf(context.Background(), fmt.Errorf("invalid WriteHeader code %v", statusCode))
		statusCode = http.StatusInternalServerError
	}
	setCommonHeaders(w)
	if mType != mimeNone {

	return metadata, nil
}

// extractMetadata extracts metadata from map values.
func extractMetadataFromMime(ctx context.Context, v textproto.MIMEHeader, m map[string]string) error {
	if v == nil {
		bugLogIf(ctx, errInvalidArgument)
		return errInvalidArgument
	}

	nv := make(textproto.MIMEHeader, len(v))
	for k, kv := range v {
		// Canonicalize all headers, to remove any duplicates.

	return s3Err
}

func authenticateRequest(ctx context.Context, r *http.Request, action policy.Action) (s3Err APIErrorCode) {
	if logger.GetReqInfo(ctx) == nil {
		bugLogIf(ctx, errors.New("unexpected context.Context does not have a logger.ReqInfo"), logger.ErrorKind)
		return ErrAccessDenied
	}

	var cred auth.Credentials
	var owner bool
	switch getRequestAuthType(r) {