linux/fs/ocfs2/cluster/ocfs2_nodemanager.h

31 lines
778 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* -*- 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.
*/
#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 */