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