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v0.5.1
https://github.com/torvalds/linux
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Tip revision: 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 authored by Linus Torvalds on 25 April 2021, 20:49:08 UTC
Linux 5.12
Tip revision: 9f4ad9e
ocfs2_nodemanager.h
/* 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 */
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