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Diffstat (limited to '')
-rw-r--r-- | src/mds/RecoveryQueue.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/mds/RecoveryQueue.h b/src/mds/RecoveryQueue.h new file mode 100644 index 00000000..a1e6ac48 --- /dev/null +++ b/src/mds/RecoveryQueue.h @@ -0,0 +1,55 @@ +// -*- 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 "osdc/Filer.h" + +class CInode; +class MDSRank; +class PerfCounters; + +class RecoveryQueue { +public: + void enqueue(CInode *in); + void advance(); + void prioritize(CInode *in); ///< do this inode now/soon + explicit RecoveryQueue(MDSRank *mds_); + + void set_logger(PerfCounters *p) {logger=p;} + +private: + 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; + Filer filer; + + friend class C_MDC_Recover; +}; + +#endif // RECOVERY_QUEUE_H |