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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_MDS_ESUBTREEMAP_H
#define CEPH_MDS_ESUBTREEMAP_H
#include "../LogEvent.h"
#include "EMetaBlob.h"
class ESubtreeMap : public LogEvent {
public:
EMetaBlob metablob;
map<dirfrag_t, vector<dirfrag_t> > subtrees;
set<dirfrag_t> ambiguous_subtrees;
uint64_t expire_pos;
uint64_t event_seq;
ESubtreeMap() : LogEvent(EVENT_SUBTREEMAP), expire_pos(0), event_seq(0) { }
void print(ostream& out) const override {
out << "ESubtreeMap " << subtrees.size() << " subtrees "
<< ", " << ambiguous_subtrees.size() << " ambiguous "
<< metablob;
}
EMetaBlob *get_metablob() override { return &metablob; }
void encode(bufferlist& bl, uint64_t features) const override;
void decode(bufferlist::const_iterator& bl) override;
void dump(Formatter *f) const override;
static void generate_test_instances(list<ESubtreeMap*>& ls);
void replay(MDSRank *mds) override;
};
WRITE_CLASS_ENCODER_FEATURES(ESubtreeMap)
#endif
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