53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2005-2008 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_PLOCK_DOT_H__
|
||
|
|
#define __DLM_PLOCK_DOT_H__
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
#define DLM_PLOCK_MISC_NAME "dlm_plock"
|
||
|
|
|
||
|
|
#define DLM_PLOCK_VERSION_MAJOR 1
|
||
|
|
#define DLM_PLOCK_VERSION_MINOR 1
|
||
|
|
#define DLM_PLOCK_VERSION_PATCH 0
|
||
|
|
|
||
|
|
enum {
|
||
|
|
DLM_PLOCK_OP_LOCK = 1,
|
||
|
|
DLM_PLOCK_OP_UNLOCK,
|
||
|
|
DLM_PLOCK_OP_GET,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct dlm_plock_info {
|
||
|
|
__u32 version[3];
|
||
|
|
__u8 optype;
|
||
|
|
__u8 ex;
|
||
|
|
__u8 wait;
|
||
|
|
__u8 pad;
|
||
|
|
__u32 pid;
|
||
|
|
__s32 nodeid;
|
||
|
|
__s32 rv;
|
||
|
|
__u32 fsid;
|
||
|
|
__u64 number;
|
||
|
|
__u64 start;
|
||
|
|
__u64 end;
|
||
|
|
__u64 owner;
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
|
||
|
|
int cmd, struct file_lock *fl);
|
||
|
|
int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
|
||
|
|
struct file_lock *fl);
|
||
|
|
int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
|
||
|
|
struct file_lock *fl);
|
||
|
|
#endif /* __KERNEL__ */
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|