mirror of
https://github.com/ceph/ceph
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62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#ifndef CEPH_INOTABLE_H
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#define CEPH_INOTABLE_H
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#include "MDSTable.h"
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#include "include/interval_set.h"
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class MDS;
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class InoTable : public MDSTable {
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interval_set<inodeno_t> free; // unused ids
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interval_set<inodeno_t> projected_free;
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public:
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InoTable(MDS *m) : MDSTable(m, "inotable", true) { }
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inodeno_t project_alloc_id(inodeno_t id=0);
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void apply_alloc_id(inodeno_t id);
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void project_alloc_ids(interval_set<inodeno_t>& inos, int want);
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void apply_alloc_ids(interval_set<inodeno_t>& inos);
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void project_release_ids(interval_set<inodeno_t>& inos);
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void apply_release_ids(interval_set<inodeno_t>& inos);
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void replay_alloc_id(inodeno_t ino);
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void replay_alloc_ids(interval_set<inodeno_t>& inos);
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void replay_release_ids(interval_set<inodeno_t>& inos);
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void replay_reset();
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void reset_state();
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void encode_state(bufferlist& bl) {
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ENCODE_START(2, 2, bl);
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::encode(free, bl);
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ENCODE_FINISH(bl);
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}
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void decode_state(bufferlist::iterator& bl) {
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DECODE_START_LEGACY_COMPAT_LEN(2, 2, 2, bl);
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::decode(free, bl);
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projected_free = free;
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DECODE_FINISH(bl);
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}
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void skip_inos(inodeno_t i);
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};
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#endif
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