xref: /linux/fs/dlm/main.c (revision fd639726bf15fca8ee1a00dce8e0096d0ad9bd18)
1 /******************************************************************************
2 *******************************************************************************
3 **
4 **  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
5 **  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
6 **
7 **  This copyrighted material is made available to anyone wishing to use,
8 **  modify, copy, or redistribute it subject to the terms and conditions
9 **  of the GNU General Public License v.2.
10 **
11 *******************************************************************************
12 ******************************************************************************/
13 
14 #include <linux/module.h>
15 
16 #include "dlm_internal.h"
17 #include "lockspace.h"
18 #include "lock.h"
19 #include "user.h"
20 #include "memory.h"
21 #include "config.h"
22 #include "lowcomms.h"
23 
24 static int __init init_dlm(void)
25 {
26 	int error;
27 
28 	error = dlm_memory_init();
29 	if (error)
30 		goto out;
31 
32 	error = dlm_lockspace_init();
33 	if (error)
34 		goto out_mem;
35 
36 	error = dlm_config_init();
37 	if (error)
38 		goto out_lockspace;
39 
40 	error = dlm_register_debugfs();
41 	if (error)
42 		goto out_config;
43 
44 	error = dlm_user_init();
45 	if (error)
46 		goto out_debug;
47 
48 	error = dlm_netlink_init();
49 	if (error)
50 		goto out_user;
51 
52 	error = dlm_plock_init();
53 	if (error)
54 		goto out_netlink;
55 
56 	printk("DLM installed\n");
57 
58 	return 0;
59 
60  out_netlink:
61 	dlm_netlink_exit();
62  out_user:
63 	dlm_user_exit();
64  out_debug:
65 	dlm_unregister_debugfs();
66  out_config:
67 	dlm_config_exit();
68  out_lockspace:
69 	dlm_lockspace_exit();
70  out_mem:
71 	dlm_memory_exit();
72  out:
73 	return error;
74 }
75 
76 static void __exit exit_dlm(void)
77 {
78 	dlm_plock_exit();
79 	dlm_netlink_exit();
80 	dlm_user_exit();
81 	dlm_config_exit();
82 	dlm_memory_exit();
83 	dlm_lockspace_exit();
84 	dlm_lowcomms_exit();
85 	dlm_unregister_debugfs();
86 }
87 
88 module_init(init_dlm);
89 module_exit(exit_dlm);
90 
91 MODULE_DESCRIPTION("Distributed Lock Manager");
92 MODULE_AUTHOR("Red Hat, Inc.");
93 MODULE_LICENSE("GPL");
94 
95 EXPORT_SYMBOL_GPL(dlm_new_lockspace);
96 EXPORT_SYMBOL_GPL(dlm_release_lockspace);
97 EXPORT_SYMBOL_GPL(dlm_lock);
98 EXPORT_SYMBOL_GPL(dlm_unlock);
99 
100