}

func (s3 *warmBackendS3) getDest(object string) string {
	destObj := object
	if s3.Prefix != "" {
		destObj = fmt.Sprintf("%s/%s", s3.Prefix, object)
	}
	return destObj
}

func (s3 *warmBackendS3) PutWithMeta(ctx context.Context, object string, r io.Reader, length int64, meta map[string]string) (remoteVersionID, error) {
	res, err := s3.client.PutObject(ctx, s3.Bucket, s3.getDest(object), r, length, minio.PutObjectOptions{

	// Part size.
	partSize = int64(partSizeFlt)
	if partSize == 0 {
		return minPartSize, nil
	}
	return partSize, nil
}

func (m *warmBackendMinIO) PutWithMeta(ctx context.Context, object string, r io.Reader, length int64, meta map[string]string) (remoteVersionID, error) {
	partSize, err := optimalPartSize(length)
	if err != nil {
		return remoteVersionID(""), err
	}

	go func() {
		err := er.getObjectWithFileInfo(ctx, bucket, object, 0, fi.Size, pw, fi, metaArr, onlineDisks)
		pw.CloseWithError(err)
	}()

	var rv remoteVersionID
	rv, err = tgtClient.PutWithMeta(ctx, destObj, pr, fi.Size, map[string]string{
		"name": object, // preserve the original name of the object on the remote tier object metadata.
		// this is just for future reverse lookup() purposes (applies only for new objects)