xref: /linux/fs/dlm/main.c (revision d524dac9279b6a41ffdf7ff7958c577f2e387db6)
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 "dlm_internal.h"
15 #include "lockspace.h"
16 #include "lock.h"
17 #include "user.h"
18 #include "memory.h"
19 #include "config.h"
20 
21 static int __init init_dlm(void)
22 {
23 	int error;
24 
25 	error = dlm_memory_init();
26 	if (error)
27 		goto out;
28 
29 	error = dlm_lockspace_init();
30 	if (error)
31 		goto out_mem;
32 
33 	error = dlm_config_init();
34 	if (error)
35 		goto out_lockspace;
36 
37 	error = dlm_register_debugfs();
38 	if (error)
39 		goto out_config;
40 
41 	error = dlm_user_init();
42 	if (error)
43 		goto out_debug;
44 
45 	error = dlm_netlink_init();
46 	if (error)
47 		goto out_user;
48 
49 	error = dlm_plock_init();
50 	if (error)
51 		goto out_netlink;
52 
53 	printk("DLM (built %s %s) installed\n", __DATE__, __TIME__);
54 
55 	return 0;
56 
57  out_netlink:
58 	dlm_netlink_exit();
59  out_user:
60 	dlm_user_exit();
61  out_debug:
62 	dlm_unregister_debugfs();
63  out_config:
64 	dlm_config_exit();
65  out_lockspace:
66 	dlm_lockspace_exit();
67  out_mem:
68 	dlm_memory_exit();
69  out:
70 	return error;
71 }
72 
73 static void __exit exit_dlm(void)
74 {
75 	dlm_plock_exit();
76 	dlm_netlink_exit();
77 	dlm_user_exit();
78 	dlm_config_exit();
79 	dlm_memory_exit();
80 	dlm_lockspace_exit();
81 	dlm_unregister_debugfs();
82 }
83 
84 module_init(init_dlm);
85 module_exit(exit_dlm);
86 
87 MODULE_DESCRIPTION("Distributed Lock Manager");
88 MODULE_AUTHOR("Red Hat, Inc.");
89 MODULE_LICENSE("GPL");
90 
91 EXPORT_SYMBOL_GPL(dlm_new_lockspace);
92 EXPORT_SYMBOL_GPL(dlm_release_lockspace);
93 EXPORT_SYMBOL_GPL(dlm_lock);
94 EXPORT_SYMBOL_GPL(dlm_unlock);
95 
96