partsMetadata[i].Versioned = opts.Versioned || opts.VersionSuspended
		partsMetadata[i].Checksum = fi.Checksum
	}

	userDefined["etag"] = r.MD5CurrentHexString()
	if opts.PreserveETag != "" {
		if !opts.ReplicationRequest {
			userDefined["etag"] = opts.PreserveETag
		} else if kind != crypto.S3 {
			// if we have a replication request