fs/gfs2/locking/dlm/main.c

   1 /*
   2  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
   3  * Copyright (C) 2004-2005 Red Hat, Inc.  All rights reserved.
   4  *
   5  * This copyrighted material is made available to anyone wishing to use,
   6  * modify, copy, or redistribute it subject to the terms and conditions
   7  * of the GNU General Public License version 2.
   8  */
   9
  10 #include <linux/init.h>
  11
  12 #include "lock_dlm.h"
  13
  14 extern struct lm_lockops gdlm_ops;
  15
  16 static int __init init_lock_dlm(void)
  17 {
  18         int error;
  19
  20         error = gfs2_register_lockproto(&gdlm_ops);
  21         if (error) {
  22                 printk(KERN_WARNING "lock_dlm:  can't register protocol: %d\n",
  23                        error);
  24                 return error;
  25         }
  26
  27         error = gdlm_sysfs_init();
  28         if (error) {
  29                 gfs2_unregister_lockproto(&gdlm_ops);
  30                 return error;
  31         }
  32
  33         error = gdlm_plock_init();
  34         if (error) {
  35                 gdlm_sysfs_exit();
  36                 gfs2_unregister_lockproto(&gdlm_ops);
  37                 return error;
  38         }
  39
  40         printk(KERN_INFO
  41                "Lock_DLM (built %s %s) installed\n", __DATE__, __TIME__);
  42         return 0;
  43 }
  44
  45 static void __exit exit_lock_dlm(void)
  46 {
  47         gdlm_plock_exit();
  48         gdlm_sysfs_exit();
  49         gfs2_unregister_lockproto(&gdlm_ops);
  50 }
  51
  52 module_init(init_lock_dlm);
  53 module_exit(exit_lock_dlm);
  54
  55 MODULE_DESCRIPTION("GFS DLM Locking Module");
  56 MODULE_AUTHOR("Red Hat, Inc.");
  57 MODULE_LICENSE("GPL");
  58