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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.
*
*/
//class C_MDC_Recover;
//
#ifndef RECOVERY_QUEUE_H
#define RECOVERY_QUEUE_H
#include <set>
#include "include/common_fwd.h"
#include "osdc/Filer.h"
class CInode;
class MDSRank;
class RecoveryQueue {
public:
explicit RecoveryQueue(MDSRank *mds_);
void enqueue(CInode *in);
void advance();
void prioritize(CInode *in); ///< do this inode now/soon
void set_logger(PerfCounters *p) {logger=p;}
private:
friend class C_MDC_Recover;
void _start(CInode *in); ///< start recovering this file
void _recovered(CInode *in, int r, uint64_t size, utime_t mtime);
size_t file_recover_queue_size = 0;
size_t file_recover_queue_front_size = 0;
elist<CInode*> file_recover_queue; ///< the queue
elist<CInode*> file_recover_queue_front; ///< elevated priority items
std::map<CInode*, bool> file_recovering; // inode -> need_restart
MDSRank *mds;
PerfCounters *logger = nullptr;
Filer filer;
};
#endif // RECOVERY_QUEUE_H
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