linux/fs/dlm/main.c
Alexander Aring cbba21169e fs: dlm: unregister memory at the very last
The dlm modules midcomms, debugfs, lockspace, uses kmem caches. We
ensure that the kmem caches getting deallocated after those modules
exited.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
2023-06-14 10:17:33 -05:00

94 lines
1.8 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
*******************************************************************************
**
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
**
**
*******************************************************************************
******************************************************************************/
#include <linux/module.h>
#include "dlm_internal.h"
#include "lockspace.h"
#include "lock.h"
#include "user.h"
#include "memory.h"
#include "config.h"
#include "midcomms.h"
#define CREATE_TRACE_POINTS
#include <trace/events/dlm.h>
static int __init init_dlm(void)
{
int error;
error = dlm_memory_init();
if (error)
goto out;
dlm_midcomms_init();
error = dlm_lockspace_init();
if (error)
goto out_mem;
error = dlm_config_init();
if (error)
goto out_lockspace;
dlm_register_debugfs();
error = dlm_user_init();
if (error)
goto out_debug;
error = dlm_plock_init();
if (error)
goto out_user;
printk("DLM installed\n");
return 0;
out_user:
dlm_user_exit();
out_debug:
dlm_unregister_debugfs();
dlm_config_exit();
out_lockspace:
dlm_lockspace_exit();
out_mem:
dlm_midcomms_exit();
dlm_memory_exit();
out:
return error;
}
static void __exit exit_dlm(void)
{
dlm_plock_exit();
dlm_user_exit();
dlm_config_exit();
dlm_lockspace_exit();
dlm_midcomms_exit();
dlm_unregister_debugfs();
dlm_memory_exit();
}
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);