xref: /linux/fs/dlm/main.c (revision aa23aa55166c2865ac430168c4b9d405cf8c6980)
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 	error = dlm_register_debugfs();
39 	if (error)
40 		goto out_config;
41 
42 	error = dlm_user_init();
43 	if (error)
44 		goto out_debug;
45 
46 	error = dlm_netlink_init();
47 	if (error)
48 		goto out_user;
49 
50 	error = dlm_plock_init();
51 	if (error)
52 		goto out_netlink;
53 
54 	printk("DLM installed\n");
55 
56 	return 0;
57 
58  out_netlink:
59 	dlm_netlink_exit();
60  out_user:
61 	dlm_user_exit();
62  out_debug:
63 	dlm_unregister_debugfs();
64  out_config:
65 	dlm_config_exit();
66  out_lockspace:
67 	dlm_lockspace_exit();
68  out_mem:
69 	dlm_memory_exit();
70  out:
71 	return error;
72 }
73 
74 static void __exit exit_dlm(void)
75 {
76 	dlm_plock_exit();
77 	dlm_netlink_exit();
78 	dlm_user_exit();
79 	dlm_config_exit();
80 	dlm_memory_exit();
81 	dlm_lockspace_exit();
82 	dlm_lowcomms_exit();
83 	dlm_unregister_debugfs();
84 }
85 
86 module_init(init_dlm);
87 module_exit(exit_dlm);
88 
89 MODULE_DESCRIPTION("Distributed Lock Manager");
90 MODULE_AUTHOR("Red Hat, Inc.");
91 MODULE_LICENSE("GPL");
92 
93 EXPORT_SYMBOL_GPL(dlm_new_lockspace);
94 EXPORT_SYMBOL_GPL(dlm_release_lockspace);
95 EXPORT_SYMBOL_GPL(dlm_lock);
96 EXPORT_SYMBOL_GPL(dlm_unlock);
97 
98