mirror of
https://github.com/ceph/ceph
synced 2025-02-08 19:38:47 +00:00
ed45b7d600
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@2161 29311d96-e01e-0410-9327-a35deaab8ce9
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// -*- 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_POBJECT_H
|
|
#define __CEPH_POBJECT_H
|
|
|
|
#include "object.h"
|
|
|
|
/*
|
|
* "physical" object stored in an individual OSD's object store.
|
|
* includes fields to describe which volume the logical object_t
|
|
* belongs to, and/or a specific part of the object (if striped
|
|
* or encoded for redundancy, etc.).
|
|
*/
|
|
struct pobject_t {
|
|
uint32_t volume; // "volume"
|
|
uint32_t rank; // rank/stripe id (e.g. for parity encoding)
|
|
object_t oid; // logical object
|
|
pobject_t() : volume(0), rank(0) {}
|
|
pobject_t(object_t o) : volume(0), rank(0), oid(o) {} // this should go away eventually
|
|
pobject_t(uint16_t v, uint16_t r, object_t o) : volume(v), rank(r), oid(o) {}
|
|
};
|
|
|
|
inline ostream& operator<<(ostream& out, const pobject_t o) {
|
|
return out << o.volume << '/' << o.rank << '/' << o.oid;
|
|
}
|
|
|
|
inline bool operator==(const pobject_t l, const pobject_t r) {
|
|
return memcmp(&l, &r, sizeof(l)) == 0;
|
|
}
|
|
inline bool operator!=(const pobject_t l, const pobject_t r) {
|
|
return memcmp(&l, &r, sizeof(l)) != 0;
|
|
}
|
|
inline bool operator>(const pobject_t l, const pobject_t r) {
|
|
return memcmp(&l, &r, sizeof(l)) > 0;
|
|
}
|
|
inline bool operator>=(const pobject_t l, const pobject_t r) {
|
|
return memcmp(&l, &r, sizeof(l)) >= 0;
|
|
}
|
|
inline bool operator<(const pobject_t l, const pobject_t r) {
|
|
return memcmp(&l, &r, sizeof(l)) < 0;
|
|
}
|
|
inline bool operator<=(const pobject_t l, const pobject_t r) {
|
|
return memcmp(&l, &r, sizeof(l)) <= 0;
|
|
}
|
|
|
|
namespace __gnu_cxx {
|
|
template<> struct hash<pobject_t> {
|
|
size_t operator()(const pobject_t &r) const {
|
|
static rjhash<uint64_t> H;
|
|
static rjhash<uint32_t> I;
|
|
return I(r.volume) ^ I(r.rank) ^ H(r.oid.ino) ^ I(r.oid.bno) ^ I(r.oid.rev);
|
|
}
|
|
};
|
|
}
|
|
|
|
#endif
|