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 <linux/module.h>
  15
  16 #include "dlm_internal.h"
  17 #include "lockspace.h"
  18 #include "lock.h"
  19 #include "user.h"
  20 #include "memory.h"
  21 #include "config.h"
  22 #include "lowcomms.h"
  23
  24 static int __init init_dlm(void)
  25 {
  26         int error;
  27
  28         error = dlm_memory_init();
  29         if (error)
  30                 goto out;
  31
  32         error = dlm_lockspace_init();
  33         if (error)
  34                 goto out_mem;
  35
  36         error = dlm_config_init();
  37         if (error)
  38                 goto out_lockspace;
  39
  40         error = dlm_register_debugfs();
  41         if (error)
  42                 goto out_config;
  43
  44         error = dlm_user_init();
  45         if (error)
  46                 goto out_debug;
  47
  48         error = dlm_netlink_init();
  49         if (error)
  50                 goto out_user;
  51
  52         error = dlm_plock_init();
  53         if (error)
  54                 goto out_netlink;
  55
  56         printk("DLM installed\n");
  57
  58         return 0;
  59
  60  out_netlink:
  61         dlm_netlink_exit();
  62  out_user:
  63         dlm_user_exit();
  64  out_debug:
  65         dlm_unregister_debugfs();
  66  out_config:
  67         dlm_config_exit();
  68  out_lockspace:
  69         dlm_lockspace_exit();
  70  out_mem:
  71         dlm_memory_exit();
  72  out:
  73         return error;
  74 }
  75
  76 static void __exit exit_dlm(void)
  77 {
  78         dlm_plock_exit();
  79         dlm_netlink_exit();
  80         dlm_user_exit();
  81         dlm_config_exit();
  82         dlm_memory_exit();
  83         dlm_lockspace_exit();
  84         dlm_lowcomms_exit();
  85         dlm_unregister_debugfs();
  86 }
  87
  88 module_init(init_dlm);
  89 module_exit(exit_dlm);
  90
  91 MODULE_DESCRIPTION("Distributed Lock Manager");
  92 MODULE_AUTHOR("Red Hat, Inc.");
  93 MODULE_LICENSE("GPL");
  94
  95 EXPORT_SYMBOL_GPL(dlm_new_lockspace);
  96 EXPORT_SYMBOL_GPL(dlm_release_lockspace);
  97 EXPORT_SYMBOL_GPL(dlm_lock);
  98 EXPORT_SYMBOL_GPL(dlm_unlock);
  99