xref: /openbmc/linux/fs/dlm/main.c (revision ff7b437f)
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 
22 static 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 
71 static 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 
83 module_init(init_dlm);
84 module_exit(exit_dlm);
85 
86 MODULE_DESCRIPTION("Distributed Lock Manager");
87 MODULE_AUTHOR("Red Hat, Inc.");
88 MODULE_LICENSE("GPL");
89 
90 EXPORT_SYMBOL_GPL(dlm_new_lockspace);
91 EXPORT_SYMBOL_GPL(dlm_release_lockspace);
92 EXPORT_SYMBOL_GPL(dlm_lock);
93 EXPORT_SYMBOL_GPL(dlm_unlock);
94 
95