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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_OSD_OBJECTVERSIONER_H
#define CEPH_OSD_OBJECTVERSIONER_H
class ObjectVersioner {
public:
pobject_t oid;
void get_versions(list<version_t>& ls);
version_t head(); // newest
version_t committed(); // last committed
version_t tail(); // oldest
/*
* prepare a new version, starting wit "raw" transaction t.
*/
void prepare(ObjectStore::Transaction& t, version_t v);
void rollback_to(version_t v);
void commit_to(version_t v);
};
#endif
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