1 files changed, 69 insertions, 0 deletions
diff --git a/src/messages/MClientCapRelease.h b/src/messages/MClientCapRelease.h
new file mode 100644
index 000000000..f4302d6bc
--- /dev/null
+++ b/src/messages/MClientCapRelease.h
@@ -0,0 +1,69 @@
+// -*- 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) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * 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.
+ * 
+ */
+
+#ifndef CEPH_MCLIENTCAPRELEASE_H
+#define CEPH_MCLIENTCAPRELEASE_H
+
+#include "msg/Message.h"
+
+
+class MClientCapRelease final : public SafeMessage {
+ public:
+  std::string_view get_type_name() const override { return "client_cap_release";}
+  void print(std::ostream& out) const override {
+    out << "client_cap_release(" << caps.size() << ")";
+  }
+
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    decode(head, p);
+    ceph::decode_nohead(head.num, caps, p);
+    if (header.version >= 2) {
+      decode(osd_epoch_barrier, p);
+    }
+  }
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    head.num = caps.size();
+    encode(head, payload);
+    ceph::encode_nohead(caps, payload);
+    encode(osd_epoch_barrier, payload);
+  }
+
+  struct ceph_mds_cap_release head;
+  std::vector<ceph_mds_cap_item> caps;
+
+  // The message receiver must wait for this OSD epoch
+  // before actioning this cap release.
+  epoch_t osd_epoch_barrier = 0;
+
+private:
+  template<class T, typename... Args>
+  friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
+  template<class T, typename... Args>
+  friend MURef<T> crimson::make_message(Args&&... args);
+
+  static constexpr int HEAD_VERSION = 2;
+  static constexpr int COMPAT_VERSION = 1;
+
+  MClientCapRelease() : 
+    SafeMessage{CEPH_MSG_CLIENT_CAPRELEASE, HEAD_VERSION, COMPAT_VERSION}
+  {
+    memset(&head, 0, sizeof(head));
+  }
+  ~MClientCapRelease() final {}
+};
+
+#endif