Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 97 insertions, 0 deletions

diff --git a/src/osd/mClockClientQueue.cc b/src/osd/mClockClientQueue.cc
new file mode 100644
index 00000000..ae6985fe
--- /dev/null
+++ b/src/osd/mClockClientQueue.cc
@@ -0,0 +1,97 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2016 Red Hat Inc.
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+
+#include <memory>
+
+#include "osd/mClockClientQueue.h"
+#include "common/dout.h"
+
+namespace dmc = crimson::dmclock;
+using namespace std::placeholders;
+
+#define dout_context cct
+#define dout_subsys ceph_subsys_osd
+#undef dout_prefix
+#define dout_prefix *_dout
+
+
+namespace ceph {
+
+  /*
+   * class mClockClientQueue
+   */
+
+  mClockClientQueue::mClockClientQueue(CephContext *cct) :
+    queue(std::bind(&mClockClientQueue::op_class_client_info_f, this, _1),
+	  cct->_conf->osd_op_queue_mclock_anticipation_timeout),
+    client_info_mgr(cct)
+  {
+    // empty
+  }
+
+  const dmc::ClientInfo* mClockClientQueue::op_class_client_info_f(
+    const mClockClientQueue::InnerClient& client)
+  {
+    return client_info_mgr.get_client_info(client.second);
+  }
+
+  mClockClientQueue::InnerClient
+  inline mClockClientQueue::get_inner_client(const Client& cl,
+					     const Request& request) {
+    return InnerClient(cl, client_info_mgr.osd_op_type(request));
+  }
+
+  // Formatted output of the queue
+  inline void mClockClientQueue::dump(ceph::Formatter *f) const {
+    queue.dump(f);
+  }
+
+  inline void mClockClientQueue::enqueue_strict(Client cl,
+						unsigned priority,
+						Request&& item) {
+    queue.enqueue_strict(get_inner_client(cl, item), priority,
+			 std::move(item));
+  }
+
+  // Enqueue op in the front of the strict queue
+  inline void mClockClientQueue::enqueue_strict_front(Client cl,
+						      unsigned priority,
+						      Request&& item) {
+    queue.enqueue_strict_front(get_inner_client(cl, item), priority,
+			       std::move(item));
+  }
+
+  // Enqueue op in the back of the regular queue
+  inline void mClockClientQueue::enqueue(Client cl,
+					 unsigned priority,
+					 unsigned cost,
+					 Request&& item) {
+    queue.enqueue(get_inner_client(cl, item), priority, 1u, std::move(item));
+  }
+
+  // Enqueue the op in the front of the regular queue
+  inline void mClockClientQueue::enqueue_front(Client cl,
+					       unsigned priority,
+					       unsigned cost,
+					       Request&& item) {
+    queue.enqueue_front(get_inner_client(cl, item), priority, 1u,
+			std::move(item));
+  }
+
+  // Return an op to be dispatched
+  inline Request mClockClientQueue::dequeue() {
+    return queue.dequeue();
+  }
+} // namespace ceph