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diff --git a/src/ceph/src/messages/MOSDPGUpdateLogMissingReply.h b/src/ceph/src/messages/MOSDPGUpdateLogMissingReply.h
new file mode 100644
index 0000000..8df6d9b
--- /dev/null
+++ b/src/ceph/src/messages/MOSDPGUpdateLogMissingReply.h
@@ -0,0 +1,105 @@
+// -*- 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_MOSDPGUPDATELOGMISSINGREPLY_H
+#define CEPH_MOSDPGUPDATELOGMISSINGREPLY_H
+
+#include "MOSDFastDispatchOp.h"
+
+class MOSDPGUpdateLogMissingReply : public MOSDFastDispatchOp {
+
+  static const int HEAD_VERSION = 2;
+  static const int COMPAT_VERSION = 1;
+
+
+public:
+  epoch_t map_epoch, min_epoch;
+  spg_t pgid;
+  shard_id_t from;
+  ceph_tid_t rep_tid;
+
+  epoch_t get_epoch() const { return map_epoch; }
+  spg_t get_pgid() const { return pgid; }
+  epoch_t get_query_epoch() const { return map_epoch; }
+  ceph_tid_t get_tid() const { return rep_tid; }
+  pg_shard_t get_from() const {
+    return pg_shard_t(get_source().num(), from);
+  }
+  epoch_t get_map_epoch() const override {
+    return map_epoch;
+  }
+  epoch_t get_min_epoch() const override {
+    return min_epoch;
+  }
+  spg_t get_spg() const override {
+    return pgid;
+  }
+
+  MOSDPGUpdateLogMissingReply()
+    : MOSDFastDispatchOp(
+      MSG_OSD_PG_UPDATE_LOG_MISSING_REPLY,
+      HEAD_VERSION,
+      COMPAT_VERSION)
+      {}
+  MOSDPGUpdateLogMissingReply(
+    spg_t pgid,
+    shard_id_t from,
+    epoch_t epoch,
+    epoch_t min_epoch,
+    ceph_tid_t rep_tid)
+    : MOSDFastDispatchOp(
+        MSG_OSD_PG_UPDATE_LOG_MISSING_REPLY,
+        HEAD_VERSION,
+        COMPAT_VERSION),
+      map_epoch(epoch),
+      min_epoch(min_epoch),
+      pgid(pgid),
+      from(from),
+      rep_tid(rep_tid)
+    {}
+
+private:
+  ~MOSDPGUpdateLogMissingReply() override {}
+
+public:
+  const char *get_type_name() const override { return "PGUpdateLogMissingReply"; }
+  void print(ostream& out) const override {
+    out << "pg_update_log_missing_reply(" << pgid << " epoch " << map_epoch
+	<< "/" << min_epoch
+	<< " rep_tid " << rep_tid << ")";
+  }
+
+  void encode_payload(uint64_t features) override {
+    ::encode(map_epoch, payload);
+    ::encode(pgid, payload);
+    ::encode(from, payload);
+    ::encode(rep_tid, payload);
+    ::encode(min_epoch, payload);
+  }
+  void decode_payload() override {
+    bufferlist::iterator p = payload.begin();
+    ::decode(map_epoch, p);
+    ::decode(pgid, p);
+    ::decode(from, p);
+    ::decode(rep_tid, p);
+    if (header.version >= 2) {
+      ::decode(min_epoch, p);
+    } else {
+      min_epoch = map_epoch;
+    }
+  }
+};
+
+#endif