1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * ocfs2_nodemanager.h
5 *
6 * Header describing the interface between userspace and the kernel
7 * for the ocfs2_nodemanager module.
8 *
9 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public
22 * License along with this program; if not, write to the
23 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 * Boston, MA 021110-1307, USA.
25 *
26 */
27
28#ifndef _OCFS2_NODEMANAGER_H
29#define _OCFS2_NODEMANAGER_H
30
31#define O2NM_API_VERSION	5
32
33#define O2NM_MAX_NODES		255
34#define O2NM_INVALID_NODE_NUM	255
35
36/* host name, group name, cluster name all 64 bytes */
37#define O2NM_MAX_NAME_LEN        64    // __NEW_UTS_LEN
38
39/*
40 * Maximum number of global heartbeat regions allowed.
41 * **CAUTION**  Changing this number will break dlm compatibility.
42 */
43#define O2NM_MAX_REGIONS	32
44
45#endif /* _OCFS2_NODEMANAGER_H */
46