fs/dlm/main.c

   1 /******************************************************************************
   2 *******************************************************************************
   3 **
   4 **  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
   5 **  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
   6 **
   7 **  This copyrighted material is made available to anyone wishing to use,
   8 **  modify, copy, or redistribute it subject to the terms and conditions
   9 **  of the GNU General Public License v.2.
  10 **
  11 *******************************************************************************
  12 ******************************************************************************/
  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
  21 static int __init init_dlm(void)
  22 {
  23         int error;
  24
  25         error = dlm_memory_init();
  26         if (error)
  27                 goto out;
  28
  29         error = dlm_lockspace_init();
  30         if (error)
  31                 goto out_mem;
  32
  33         error = dlm_config_init();
  34         if (error)
  35                 goto out_lockspace;
  36
  37         error = dlm_register_debugfs();
  38         if (error)
  39                 goto out_config;
  40
  41         error = dlm_user_init();
  42         if (error)
  43                 goto out_debug;
  44
  45         error = dlm_netlink_init();
  46         if (error)
  47                 goto out_user;
  48
  49         error = dlm_plock_init();
  50         if (error)
  51                 goto out_netlink;
  52
  53         printk("DLM installed\n");
  54
  55         return 0;
  56
  57  out_netlink:
  58         dlm_netlink_exit();
  59  out_user:
  60         dlm_user_exit();
  61  out_debug:
  62         dlm_unregister_debugfs();
  63  out_config:
  64         dlm_config_exit();
  65  out_lockspace:
  66         dlm_lockspace_exit();
  67  out_mem:
  68         dlm_memory_exit();
  69  out:
  70         return error;
  71 }
  72
  73 static void __exit exit_dlm(void)
  74 {
  75         dlm_plock_exit();
  76         dlm_netlink_exit();
  77         dlm_user_exit();
  78         dlm_config_exit();
  79         dlm_memory_exit();
  80         dlm_lockspace_exit();
  81         dlm_unregister_debugfs();
  82 }
  83
  84 module_init(init_dlm);
  85 module_exit(exit_dlm);
  86
  87 MODULE_DESCRIPTION("Distributed Lock Manager");
  88 MODULE_AUTHOR("Red Hat, Inc.");
  89 MODULE_LICENSE("GPL");
  90
  91 EXPORT_SYMBOL_GPL(dlm_new_lockspace);
  92 EXPORT_SYMBOL_GPL(dlm_release_lockspace);
  93 EXPORT_SYMBOL_GPL(dlm_lock);
  94 EXPORT_SYMBOL_GPL(dlm_unlock);
  95