1// SPDX-License-Identifier: GPL-2.0-only
2/******************************************************************************
3*******************************************************************************
4**
5**  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
6**  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
7**
8**
9*******************************************************************************
10******************************************************************************/
11
12#include <linux/module.h>
13
14#include "dlm_internal.h"
15#include "lockspace.h"
16#include "lock.h"
17#include "user.h"
18#include "memory.h"
19#include "config.h"
20#include "lowcomms.h"
21
22static int __init init_dlm(void)
23{
24	int error;
25
26	error = dlm_memory_init();
27	if (error)
28		goto out;
29
30	error = dlm_lockspace_init();
31	if (error)
32		goto out_mem;
33
34	error = dlm_config_init();
35	if (error)
36		goto out_lockspace;
37
38	dlm_register_debugfs();
39
40	error = dlm_user_init();
41	if (error)
42		goto out_debug;
43
44	error = dlm_netlink_init();
45	if (error)
46		goto out_user;
47
48	error = dlm_plock_init();
49	if (error)
50		goto out_netlink;
51
52	printk("DLM installed\n");
53
54	return 0;
55
56 out_netlink:
57	dlm_netlink_exit();
58 out_user:
59	dlm_user_exit();
60 out_debug:
61	dlm_unregister_debugfs();
62	dlm_config_exit();
63 out_lockspace:
64	dlm_lockspace_exit();
65 out_mem:
66	dlm_memory_exit();
67 out:
68	return error;
69}
70
71static void __exit exit_dlm(void)
72{
73	dlm_plock_exit();
74	dlm_netlink_exit();
75	dlm_user_exit();
76	dlm_config_exit();
77	dlm_memory_exit();
78	dlm_lockspace_exit();
79	dlm_lowcomms_exit();
80	dlm_unregister_debugfs();
81}
82
83module_init(init_dlm);
84module_exit(exit_dlm);
85
86MODULE_DESCRIPTION("Distributed Lock Manager");
87MODULE_AUTHOR("Red Hat, Inc.");
88MODULE_LICENSE("GPL");
89
90EXPORT_SYMBOL_GPL(dlm_new_lockspace);
91EXPORT_SYMBOL_GPL(dlm_release_lockspace);
92EXPORT_SYMBOL_GPL(dlm_lock);
93EXPORT_SYMBOL_GPL(dlm_unlock);
94
95