ctx := r.Context()

	// Get current object layer instance.
	objectAPI, _ := validateAdminReq(ctx, w, r, policy.ExportIAMAction)
	if objectAPI == nil {
		return
	}
	// Initialize a zip writer which will provide a zipped content
	// of bucket metadata
	zipWriter := zip.NewWriter(w)
	defer zipWriter.Close()
	rawDataFn := func(r io.Reader, filename string, sz int) error {
		header, zerr := zip.FileInfoHeader(dummyFileInfo{