Linux 5.2
[linux-2.6/linux-2.6-arm.git] / fs / dlm / main.c
blob39579927ed84b5185e5ae0d87df433722e863a91
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 ******************************************************************************/
12 #include <linux/module.h>
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"
22 static int __init init_dlm(void)
24 int error;
26 error = dlm_memory_init();
27 if (error)
28 goto out;
30 error = dlm_lockspace_init();
31 if (error)
32 goto out_mem;
34 error = dlm_config_init();
35 if (error)
36 goto out_lockspace;
38 error = dlm_register_debugfs();
39 if (error)
40 goto out_config;
42 error = dlm_user_init();
43 if (error)
44 goto out_debug;
46 error = dlm_netlink_init();
47 if (error)
48 goto out_user;
50 error = dlm_plock_init();
51 if (error)
52 goto out_netlink;
54 printk("DLM installed\n");
56 return 0;
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;
74 static void __exit exit_dlm(void)
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();
86 module_init(init_dlm);
87 module_exit(exit_dlm);
89 MODULE_DESCRIPTION("Distributed Lock Manager");
90 MODULE_AUTHOR("Red Hat, Inc.");
91 MODULE_LICENSE("GPL");
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);