--- /dev/null
+// -*- 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 : public Message {
+ static const int HEAD_VERSION = 2;
+ static const int COMPAT_VERSION = 1;
+ public:
+ struct ceph_mds_cap_release head;
+ 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;
+
+ MClientCapRelease() :
+ Message(CEPH_MSG_CLIENT_CAPRELEASE, HEAD_VERSION, COMPAT_VERSION),
+ osd_epoch_barrier(0)
+ {
+ memset(&head, 0, sizeof(head));
+ }
+private:
+ ~MClientCapRelease() override {}
+
+public:
+ const char *get_type_name() const override { return "client_cap_release";}
+ void print(ostream& out) const override {
+ out << "client_cap_release(" << caps.size() << ")";
+ }
+
+ void decode_payload() override {
+ bufferlist::iterator p = payload.begin();
+ ::decode(head, p);
+ ::decode_nohead(head.num, caps, p);
+ if (header.version >= 2) {
+ ::decode(osd_epoch_barrier, p);
+ }
+ }
+ void encode_payload(uint64_t features) override {
+ head.num = caps.size();
+ ::encode(head, payload);
+ ::encode_nohead(caps, payload);
+ ::encode(osd_epoch_barrier, payload);
+ }
+};
+
+#endif