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 "midcomms.h"
21
22#define CREATE_TRACE_POINTS
23#include <trace/events/dlm.h>
24
25static int __init init_dlm(void)
26{
27 int error;
28
29 error = dlm_memory_init();
30 if (error)
31 goto out;
32
33 dlm_midcomms_init();
34
35 error = dlm_lockspace_init();
36 if (error)
37 goto out_mem;
38
39 error = dlm_config_init();
40 if (error)
41 goto out_lockspace;
42
43 dlm_register_debugfs();
44
45 error = dlm_user_init();
46 if (error)
47 goto out_debug;
48
49 error = dlm_plock_init();
50 if (error)
51 goto out_user;
52
53 printk("DLM installed\n");
54
55 return 0;
56
57 out_user:
58 dlm_user_exit();
59 out_debug:
60 dlm_unregister_debugfs();
61 dlm_config_exit();
62 out_lockspace:
63 dlm_lockspace_exit();
64 out_mem:
65 dlm_midcomms_exit();
66 dlm_memory_exit();
67 out:
68 return error;
69}
70
71static void __exit exit_dlm(void)
72{
73 dlm_plock_exit();
74 dlm_user_exit();
75 dlm_config_exit();
76 dlm_lockspace_exit();
77 dlm_midcomms_exit();
78 dlm_unregister_debugfs();
79 dlm_memory_exit();
80}
81
82module_init(init_dlm);
83module_exit(exit_dlm);
84
85MODULE_DESCRIPTION("Distributed Lock Manager");
86MODULE_AUTHOR("Red Hat, Inc.");
87MODULE_LICENSE("GPL");
88
89EXPORT_SYMBOL_GPL(dlm_new_lockspace);
90EXPORT_SYMBOL_GPL(dlm_release_lockspace);
91EXPORT_SYMBOL_GPL(dlm_lock);
92EXPORT_SYMBOL_GPL(dlm_unlock);
93
94

source code of linux/fs/dlm/main.c