+++ /dev/null
-// -*- 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_SNAP_H
-#define CEPH_MDS_SNAP_H
-
-#include "mdstypes.h"
-#include "common/snap_types.h"
-
-/*
- * generic snap descriptor.
- */
-struct SnapInfo {
- snapid_t snapid;
- inodeno_t ino;
- utime_t stamp;
- string name;
-
- string long_name; ///< cached _$ino_$name
-
- void encode(bufferlist &bl) const;
- void decode(bufferlist::iterator &bl);
- void dump(Formatter *f) const;
- static void generate_test_instances(list<SnapInfo*>& ls);
-
- const string& get_long_name();
-};
-WRITE_CLASS_ENCODER(SnapInfo)
-
-ostream& operator<<(ostream& out, const SnapInfo &sn);
-
-
-/*
- * SnapRealm - a subtree that shares the same set of snapshots.
- */
-struct SnapRealm;
-class CInode;
-class MDCache;
-
-
-
-#include "Capability.h"
-
-struct snaplink_t {
- inodeno_t ino;
- snapid_t first;
-
- void encode(bufferlist &bl) const;
- void decode(bufferlist::iterator &bl);
- void dump(Formatter *f) const;
- static void generate_test_instances(list<snaplink_t*>& ls);
-};
-WRITE_CLASS_ENCODER(snaplink_t)
-
-ostream& operator<<(ostream& out, const snaplink_t &l);
-
-
-// carry data about a specific version of a SnapRealm
-struct sr_t {
- snapid_t seq; // basically, a version/seq # for changes to _this_ realm.
- snapid_t created; // when this realm was created.
- snapid_t last_created; // last snap created in _this_ realm.
- snapid_t last_destroyed; // seq for last removal
- snapid_t current_parent_since;
- map<snapid_t, SnapInfo> snaps;
- map<snapid_t, snaplink_t> past_parents; // key is "last" (or NOSNAP)
-
- sr_t()
- : seq(0), created(0),
- last_created(0), last_destroyed(0),
- current_parent_since(1)
- {}
-
- void encode(bufferlist &bl) const;
- void decode(bufferlist::iterator &bl);
- void dump(Formatter *f) const;
- static void generate_test_instances(list<sr_t*>& ls);
-};
-WRITE_CLASS_ENCODER(sr_t)
-
-#endif