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diff --git a/src/messages/MClientLease.h b/src/messages/MClientLease.h
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+// -*- 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_MCLIENTLEASE_H
+#define CEPH_MCLIENTLEASE_H
+
+#include <string_view>
+
+#include "msg/Message.h"
+
+class MClientLease final : public SafeMessage {
+public:
+  struct ceph_mds_lease h;
+  std::string dname;
+  
+  int get_action() const { return h.action; }
+  ceph_seq_t get_seq() const { return h.seq; }
+  int get_mask() const { return h.mask; }
+  inodeno_t get_ino() const { return inodeno_t(h.ino); }
+  snapid_t get_first() const { return snapid_t(h.first); }
+  snapid_t get_last() const { return snapid_t(h.last); }
+
+protected:
+  MClientLease() : SafeMessage(CEPH_MSG_CLIENT_LEASE) {}
+  MClientLease(const MClientLease& m) :
+    SafeMessage(CEPH_MSG_CLIENT_LEASE),
+    h(m.h),
+    dname(m.dname) {}
+  MClientLease(int ac, ceph_seq_t seq, int m, uint64_t i, uint64_t sf, uint64_t sl) :
+    SafeMessage(CEPH_MSG_CLIENT_LEASE) {
+    h.action = ac;
+    h.seq = seq;
+    h.mask = m;
+    h.ino = i;
+    h.first = sf;
+    h.last = sl;
+    h.duration_ms = 0;
+  }
+  MClientLease(int ac, ceph_seq_t seq, int m, uint64_t i, uint64_t sf, uint64_t sl, std::string_view d) :
+    SafeMessage(CEPH_MSG_CLIENT_LEASE),
+    dname(d) {
+    h.action = ac;
+    h.seq = seq;
+    h.mask = m;
+    h.ino = i;
+    h.first = sf;
+    h.last = sl;
+    h.duration_ms = 0;
+  }
+  ~MClientLease() final {}
+
+public:
+  std::string_view get_type_name() const override { return "client_lease"; }
+  void print(std::ostream& out) const override {
+    out << "client_lease(a=" << ceph_lease_op_name(get_action())
+	<< " seq " << get_seq()
+	<< " mask " << get_mask();
+    out << " " << get_ino();
+    if (h.last != CEPH_NOSNAP)
+      out << " [" << snapid_t(h.first) << "," << snapid_t(h.last) << "]";
+    if (dname.length())
+      out << "/" << dname;
+    out << ")";
+  }
+
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    decode(h, p);
+    decode(dname, p);
+  }
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    encode(h, payload);
+    encode(dname, payload);
+  }
+
+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);
+};
+
+#endif