← Back to branch summary

~ubuntu-branches/ubuntu/precise/linux-lowlatency/precise

« back to all changes in this revision

Viewing changes to include/linux/dlm_plock.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

Show diffs side-by-side

added added

removed removed

Lines of Context:
include/linux/dlm_plock.h
 
1
/*
 
2
 * Copyright (C) 2005-2008 Red Hat, Inc.  All rights reserved.
 
3
 *
 
4
 * This copyrighted material is made available to anyone wishing to use,
 
5
 * modify, copy, or redistribute it subject to the terms and conditions
 
6
 * of the GNU General Public License v.2.
 
7
 */
 
8
 
 
9
#ifndef __DLM_PLOCK_DOT_H__
 
10
#define __DLM_PLOCK_DOT_H__
 
11
 
 
12
#include <linux/types.h>
 
13
 
 
14
#define DLM_PLOCK_MISC_NAME             "dlm_plock"
 
15
 
 
16
#define DLM_PLOCK_VERSION_MAJOR 1
 
17
#define DLM_PLOCK_VERSION_MINOR 2
 
18
#define DLM_PLOCK_VERSION_PATCH 0
 
19
 
 
20
enum {
 
21
        DLM_PLOCK_OP_LOCK = 1,
 
22
        DLM_PLOCK_OP_UNLOCK,
 
23
        DLM_PLOCK_OP_GET,
 
24
};
 
25
 
 
26
#define DLM_PLOCK_FL_CLOSE 1
 
27
 
 
28
struct dlm_plock_info {
 
29
        __u32 version[3];
 
30
        __u8 optype;
 
31
        __u8 ex;
 
32
        __u8 wait;
 
33
        __u8 flags;
 
34
        __u32 pid;
 
35
        __s32 nodeid;
 
36
        __s32 rv;
 
37
        __u32 fsid;
 
38
        __u64 number;
 
39
        __u64 start;
 
40
        __u64 end;
 
41
        __u64 owner;
 
42
};
 
43
 
 
44
#ifdef __KERNEL__
 
45
int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
 
46
                int cmd, struct file_lock *fl);
 
47
int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
 
48
                struct file_lock *fl);
 
49
int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
 
50
                struct file_lock *fl);
 
51
#endif /* __KERNEL__ */
 
52
 
 
53
#endif
 
54