1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2010 Greg Farnum <gregf@hq.newdream.net>
8 * This is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License version 2.1, as published by the Free Software
11 * Foundation. See file COPYING.
14 #ifndef JOURNAL_RESETTER_H_
15 #define JOURNAL_RESETTER_H_
18 #include "MDSUtility.h"
23 * This class lets you reset an mds journal for troubleshooting or whatever.
25 * To use, create a Resetter, call init(), and then call reset() with the name
26 * of the file to dump to.
28 class Resetter : public MDSUtility {
30 int _write_reset_event(Journaler *journaler);
36 * For use when no journal header/pointer was present: write one
39 int reset_hard(mds_role_t role);
40 int reset(mds_role_t role);
43 #endif /* JOURNAL_RESETTER_H_ */