ubuntu-linux-kernel/fs/ocfs2/cluster/ocfs2_nodemanager.h

46 lines
1.4 KiB
C

/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* ocfs2_nodemanager.h
*
* Header describing the interface between userspace and the kernel
* for the ocfs2_nodemanager module.
*
* Copyright (C) 2002, 2004 Oracle. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*
*/
#ifndef _OCFS2_NODEMANAGER_H
#define _OCFS2_NODEMANAGER_H
#define O2NM_API_VERSION 5
#define O2NM_MAX_NODES 255
#define O2NM_INVALID_NODE_NUM 255
/* host name, group name, cluster name all 64 bytes */
#define O2NM_MAX_NAME_LEN 64 // __NEW_UTS_LEN
/*
* Maximum number of global heartbeat regions allowed.
* **CAUTION** Changing this number will break dlm compatibility.
*/
#define O2NM_MAX_REGIONS 32
#endif /* _OCFS2_NODEMANAGER_H */