opts := ObjectOptions{
			UserDefined: map[string]string{
				xhttp.IfNoneMatch: "*",
			},
			CheckPrecondFn: func(oi ObjectInfo) bool {
				return oi.ETag != ""
			},
		}

		parts := []CompletePart{{PartNumber: 1, ETag: md5Hex}}
		_, err := obj.CompleteMultipartUpload(ctx, bucket, object, res.UploadID, parts, opts)
		if !isErrReadQuorum(err) {
			t.Errorf("Expected read quorum error, got: %v", err)
		}
	})

	}

	res, err := er.NewMultipartUpload(ctx, bucket, object, ropts)
	if err != nil {
		return setRestoreHeaderFn(oi, err)
	}

	var uploadedParts []CompletePart
	var rs *HTTPRangeSpec
	// get reader from the warm backend - note that even in the case of encrypted objects, this stream is still encrypted.

// md5sums of all the parts.
//
// Implements S3 compatible Complete multipart API.
func (er erasureObjects) CompleteMultipartUpload(ctx context.Context, bucket string, object string, uploadID string, parts []CompletePart, opts ObjectOptions) (oi ObjectInfo, err error) {
	if !opts.NoAuditLog {
		auditObjectErasureSet(ctx, "CompleteMultipartUpload", object, &er)
	}

	if opts.CheckPrecondFn != nil {
		if !opts.NoLock {