--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+/*
+ * Copyright (C) 2016 Red Hat Inc.
+ */
+
+
+#pragma once
+
+
+#include <ostream>
+#include <assert.h>
+
+
+namespace crimson {
+ namespace simple_scheduler {
+
+ // since we send no additional data out
+ // NOTE: Change name to RespParams? Is it used elsewhere?
+ struct NullData {
+ friend std::ostream& operator<<(std::ostream& out, const NullData& n) {
+ out << "NullData{ EMPTY }";
+ return out;
+ }
+ }; // struct NullData
+
+
+ struct ReqParams {
+ friend std::ostream& operator<<(std::ostream& out, const ReqParams& rp) {
+ out << "ReqParams{ EMPTY }";
+ return out;
+ }
+ };
+
+ }
+}