emetadata, err := extractMetadataFromReq(ctx, r)
		if err != nil {
			return nil, err
		}
		if sc != "" {
			emetadata[xhttp.AmzStorageClass] = sc
		}
		return emetadata, nil
	}

	if sc != "" {
		defaultMeta[xhttp.AmzStorageClass] = sc
	}

	// if x-amz-metadata-directive says COPY then we
	// return the default metadata.