blob: 758f3cdea0f05dc00ca70abf84e0229f33787fdf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
// -*- 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) 2010 Greg Farnum <gregf@hq.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 JOURNAL_DUMPER_H_
#define JOURNAL_DUMPER_H_
#include "MDSUtility.h"
class Journaler;
/**
* This class lets you dump out an mds journal for troubleshooting or whatever.
*
* It was built to work with cmds so some of the design choices are random.
* To use, create a Dumper, call init(), and then call dump() with the name
* of the file to dump to.
*/
class Dumper : public MDSUtility {
private:
mds_role_t role;
inodeno_t ino;
public:
Dumper() : ino(-1)
{}
int init(mds_role_t role_, const std::string &type);
int recover_journal(Journaler *journaler);
int dump(const char *dumpfile);
int undump(const char *dumpfile, bool force);
};
#endif /* JOURNAL_DUMPER_H_ */
|
