From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- src/tools/cephfs/Resetter.h | 50 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 src/tools/cephfs/Resetter.h (limited to 'src/tools/cephfs/Resetter.h') diff --git a/src/tools/cephfs/Resetter.h b/src/tools/cephfs/Resetter.h new file mode 100644 index 000000000..6998e4598 --- /dev/null +++ b/src/tools/cephfs/Resetter.h @@ -0,0 +1,50 @@ +// -*- 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 + * + * 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_RESETTER_H_ +#define JOURNAL_RESETTER_H_ + + +#include "MDSUtility.h" + +class Journaler; + +/** + * This class lets you reset an mds journal for troubleshooting or whatever. + * + * To use, create a Resetter, call init(), and then call reset() with the name + * of the file to dump to. + */ +class Resetter : public MDSUtility { +private: + mds_role_t role; + inodeno_t ino; + bool is_mdlog; + +protected: + int _write_reset_event(Journaler *journaler); + +public: + Resetter() {} + ~Resetter() {} + + int init(mds_role_t role_, const std::string &type, bool hard); + /** + * For use when no journal header/pointer was present: write one + * out from scratch. + */ + int reset_hard(); + int reset(); +}; + +#endif /* JOURNAL_RESETTER_H_ */ -- cgit v1.2.3