dlm_netlink.h

来自「linux 内核源代码」· C头文件 代码 · 共 57 行

/*
 * Copyright (C) 2007 Red Hat, Inc.  All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License v.2.
 */

#ifndef _DLM_NETLINK_H
#define _DLM_NETLINK_H

enum {
	DLM_STATUS_WAITING = 1,
	DLM_STATUS_GRANTED = 2,
	DLM_STATUS_CONVERT = 3,
};

#define DLM_LOCK_DATA_VERSION 1

struct dlm_lock_data {
	uint16_t version;
	uint32_t lockspace_id;
	int nodeid;
	int ownpid;
	uint32_t id;
	uint32_t remid;
	uint64_t xid;
	int8_t status;
	int8_t grmode;
	int8_t rqmode;
	unsigned long timestamp;
	int resource_namelen;
	char resource_name[DLM_RESNAME_MAXLEN];
};

enum {
	DLM_CMD_UNSPEC = 0,
	DLM_CMD_HELLO,		/* user->kernel */
	DLM_CMD_TIMEOUT,	/* kernel->user */
	__DLM_CMD_MAX,
};

#define DLM_CMD_MAX (__DLM_CMD_MAX - 1)

enum {
	DLM_TYPE_UNSPEC = 0,
	DLM_TYPE_LOCK,
	__DLM_TYPE_MAX,
};

#define DLM_TYPE_MAX (__DLM_TYPE_MAX - 1)

#define DLM_GENL_VERSION 0x1
#define DLM_GENL_NAME "DLM"

#endif /* _DLM_NETLINK_H */