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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_EFRAGMENT_H
#define CEPH_MDS_EFRAGMENT_H
#include "../LogEvent.h"
#include "EMetaBlob.h"
class EFragment : public LogEvent {
public:
EMetaBlob metablob;
inodeno_t ino;
frag_t basefrag;
__s32 bits; // positive for split (from basefrag), negative for merge (to basefrag)
EFragment() : LogEvent(EVENT_FRAGMENT) { }
EFragment(MDLog *mdlog, inodeno_t i, frag_t bf, int b) :
LogEvent(EVENT_FRAGMENT), metablob(mdlog),
ino(i), basefrag(bf), bits(b) { }
void print(ostream& out) {
out << "EFragment " << ino << " " << basefrag << " by " << bits << " " << metablob;
}
void encode(bufferlist &bl) const {
__u8 struct_v = 1;
::encode(struct_v, bl);
::encode(ino, bl);
::encode(basefrag, bl);
::encode(bits, bl);
::encode(metablob, bl);
}
void decode(bufferlist::iterator &bl) {
__u8 struct_v;
::decode(struct_v, bl);
::decode(ino, bl);
::decode(basefrag, bl);
::decode(bits, bl);
::decode(metablob, bl);
}
void replay(MDS *mds);
};
#endif
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