1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /********************************************* 2 /******************************************************************************
3 ********************************************** 3 *******************************************************************************
4 ** 4 **
5 ** Copyright (C) Sistina Software, Inc. 1997 5 ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
6 ** Copyright (C) 2004-2007 Red Hat, Inc. All 6 ** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
7 ** 7 **
8 ** 8 **
9 ********************************************** 9 *******************************************************************************
10 ********************************************** 10 ******************************************************************************/
11 11
12 #include <linux/module.h> 12 #include <linux/module.h>
13 13
14 #include "dlm_internal.h" 14 #include "dlm_internal.h"
15 #include "lockspace.h" 15 #include "lockspace.h"
16 #include "lock.h" 16 #include "lock.h"
17 #include "user.h" 17 #include "user.h"
18 #include "memory.h" 18 #include "memory.h"
19 #include "config.h" 19 #include "config.h"
20 #include "midcomms.h" 20 #include "midcomms.h"
21 21
22 #define CREATE_TRACE_POINTS 22 #define CREATE_TRACE_POINTS
23 #include <trace/events/dlm.h> 23 #include <trace/events/dlm.h>
24 24
25 struct workqueue_struct *dlm_wq; <<
26 <<
27 static int __init init_dlm(void) 25 static int __init init_dlm(void)
28 { 26 {
29 int error; 27 int error;
30 28
31 error = dlm_memory_init(); 29 error = dlm_memory_init();
32 if (error) 30 if (error)
33 goto out; 31 goto out;
34 32
35 dlm_midcomms_init(); 33 dlm_midcomms_init();
36 34
37 error = dlm_lockspace_init(); 35 error = dlm_lockspace_init();
38 if (error) 36 if (error)
39 goto out_mem; 37 goto out_mem;
40 38
41 error = dlm_config_init(); 39 error = dlm_config_init();
42 if (error) 40 if (error)
43 goto out_lockspace; 41 goto out_lockspace;
44 42
45 dlm_register_debugfs(); 43 dlm_register_debugfs();
46 44
47 error = dlm_user_init(); 45 error = dlm_user_init();
48 if (error) 46 if (error)
49 goto out_debug; 47 goto out_debug;
50 48
51 error = dlm_plock_init(); !! 49 error = dlm_netlink_init();
52 if (error) 50 if (error)
53 goto out_user; 51 goto out_user;
54 52
55 dlm_wq = alloc_workqueue("dlm_wq", 0, !! 53 error = dlm_plock_init();
56 if (!dlm_wq) { !! 54 if (error)
57 error = -ENOMEM; !! 55 goto out_netlink;
58 goto out_plock; <<
59 } <<
60 56
61 printk("DLM installed\n"); 57 printk("DLM installed\n");
62 58
63 return 0; 59 return 0;
64 60
65 out_plock: !! 61 out_netlink:
66 dlm_plock_exit(); !! 62 dlm_netlink_exit();
67 out_user: 63 out_user:
68 dlm_user_exit(); 64 dlm_user_exit();
69 out_debug: 65 out_debug:
70 dlm_unregister_debugfs(); 66 dlm_unregister_debugfs();
71 dlm_config_exit(); 67 dlm_config_exit();
72 out_lockspace: 68 out_lockspace:
73 dlm_lockspace_exit(); 69 dlm_lockspace_exit();
74 out_mem: 70 out_mem:
75 dlm_midcomms_exit(); 71 dlm_midcomms_exit();
76 dlm_memory_exit(); 72 dlm_memory_exit();
77 out: 73 out:
78 return error; 74 return error;
79 } 75 }
80 76
81 static void __exit exit_dlm(void) 77 static void __exit exit_dlm(void)
82 { 78 {
83 /* be sure every pending work e.g. fre <<
84 destroy_workqueue(dlm_wq); <<
85 dlm_plock_exit(); 79 dlm_plock_exit();
>> 80 dlm_netlink_exit();
86 dlm_user_exit(); 81 dlm_user_exit();
87 dlm_config_exit(); 82 dlm_config_exit();
>> 83 dlm_memory_exit();
88 dlm_lockspace_exit(); 84 dlm_lockspace_exit();
89 dlm_midcomms_exit(); 85 dlm_midcomms_exit();
90 dlm_unregister_debugfs(); 86 dlm_unregister_debugfs();
91 dlm_memory_exit(); <<
92 } 87 }
93 88
94 module_init(init_dlm); 89 module_init(init_dlm);
95 module_exit(exit_dlm); 90 module_exit(exit_dlm);
96 91
97 MODULE_DESCRIPTION("Distributed Lock Manager") 92 MODULE_DESCRIPTION("Distributed Lock Manager");
98 MODULE_AUTHOR("Red Hat, Inc."); 93 MODULE_AUTHOR("Red Hat, Inc.");
99 MODULE_LICENSE("GPL"); 94 MODULE_LICENSE("GPL");
100 95
101 EXPORT_SYMBOL_GPL(dlm_new_lockspace); 96 EXPORT_SYMBOL_GPL(dlm_new_lockspace);
102 EXPORT_SYMBOL_GPL(dlm_release_lockspace); 97 EXPORT_SYMBOL_GPL(dlm_release_lockspace);
103 EXPORT_SYMBOL_GPL(dlm_lock); 98 EXPORT_SYMBOL_GPL(dlm_lock);
104 EXPORT_SYMBOL_GPL(dlm_unlock); 99 EXPORT_SYMBOL_GPL(dlm_unlock);
105 100
106 101
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