summaryrefslogtreecommitdiff
path: root/fs/dlm/main.c
blob: 6ca28299c9db182e5387b113e1be26b490508de3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
*******************************************************************************
**
**  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
**  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
**
**
*******************************************************************************
******************************************************************************/

#include <linux/module.h>

#include "dlm_internal.h"
#include "lockspace.h"
#include "lock.h"
#include "user.h"
#include "memory.h"
#include "config.h"
#include "midcomms.h"

#define CREATE_TRACE_POINTS
#include <trace/events/dlm.h>

static int __init init_dlm(void)
{
	int error;

	error = dlm_memory_init();
	if (error)
		goto out;

	dlm_midcomms_init();

	error = dlm_lockspace_init();
	if (error)
		goto out_mem;

	error = dlm_config_init();
	if (error)
		goto out_lockspace;

	dlm_register_debugfs();

	error = dlm_user_init();
	if (error)
		goto out_debug;

	error = dlm_plock_init();
	if (error)
		goto out_user;

	printk("DLM installed\n");

	return 0;

 out_user:
	dlm_user_exit();
 out_debug:
	dlm_unregister_debugfs();
	dlm_config_exit();
 out_lockspace:
	dlm_lockspace_exit();
 out_mem:
	dlm_midcomms_exit();
	dlm_memory_exit();
 out:
	return error;
}

static void __exit exit_dlm(void)
{
	dlm_plock_exit();
	dlm_user_exit();
	dlm_config_exit();
	dlm_lockspace_exit();
	dlm_midcomms_exit();
	dlm_unregister_debugfs();
	dlm_memory_exit();
}

module_init(init_dlm);
module_exit(exit_dlm);

MODULE_DESCRIPTION("Distributed Lock Manager");
MODULE_AUTHOR("Red Hat, Inc.");
MODULE_LICENSE("GPL");

EXPORT_SYMBOL_GPL(dlm_new_lockspace);
EXPORT_SYMBOL_GPL(dlm_release_lockspace);
EXPORT_SYMBOL_GPL(dlm_lock);
EXPORT_SYMBOL_GPL(dlm_unlock);