main.c

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/******************************************************************************
*******************************************************************************
**
**  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
**  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
**
**  This copyrighted material is made available to anyone wishing to use,
**  modify, copy, or redistribute it subject to the terms and conditions
**  of the GNU General Public License v.2.
**
*******************************************************************************
******************************************************************************/

#include "dlm_internal.h"
#include "lockspace.h"
#include "lock.h"
#include "user.h"
#include "memory.h"
#include "config.h"
#include "lowcomms.h"

static int __init init_dlm(void)
{
    int error;

    error = dlm_memory_init();
    if (error)
        goto out;

    error = dlm_lockspace_init();
    if (error)
        goto out_mem;

    error = dlm_config_init();
    if (error)
        goto out_lockspace;

    error = dlm_register_debugfs();
    if (error)
        goto out_config;

    error = dlm_user_init();
    if (error)
        goto out_debug;

    error = dlm_netlink_init();
    if (error)
        goto out_user;

    error = dlm_plock_init();
    if (error)
        goto out_netlink;

    printk("DLM installed\n");

    return 0;

 out_netlink:
    dlm_netlink_exit();
 out_user:
    dlm_user_exit();
 out_debug:
    dlm_unregister_debugfs();
 out_config:
    dlm_config_exit();
 out_lockspace:
    dlm_lockspace_exit();
 out_mem:
    dlm_memory_exit();
 out:
    return error;
}

static void __exit exit_dlm(void)
{
    dlm_plock_exit();
    dlm_netlink_exit();
    dlm_user_exit();
    dlm_config_exit();
    dlm_memory_exit();
    dlm_lockspace_exit();
    dlm_lowcomms_exit();
    dlm_unregister_debugfs();
}

module_init(init_dlm);
module_exit(exit_dlm);

MODULE_DESCRIPTION("Distributed Lock Manager");
MODULE_AUTHOR("Red Hat, Inc.");
MODULE_LICENSE("GPL");

EXPORT_SYMBOL_GPL(dlm_new_lockspace);
EXPORT_SYMBOL_GPL(dlm_release_lockspace);
EXPORT_SYMBOL_GPL(dlm_lock);
EXPORT_SYMBOL_GPL(dlm_unlock);