forked from luck/tmp_suning_uos_patched
597d0cae0f
This changes the way the dlm handles user locks. The core dlm is now aware of user locks so they can be dealt with more efficiently. There is no more dlm_device module which previously managed its own duplicate copy of every user lock. Signed-off-by: Patrick Caulfield <pcaulfie@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
/******************************************************************************
|
|
*******************************************************************************
|
|
**
|
|
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
|
|
** Copyright (C) 2004-2005 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 "lowcomms.h"
|
|
#include "config.h"
|
|
|
|
#ifdef CONFIG_DLM_DEBUG
|
|
int dlm_register_debugfs(void);
|
|
void dlm_unregister_debugfs(void);
|
|
#else
|
|
static inline int dlm_register_debugfs(void) { return 0; }
|
|
static inline void dlm_unregister_debugfs(void) { }
|
|
#endif
|
|
|
|
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_lowcomms_init();
|
|
if (error)
|
|
goto out_debug;
|
|
|
|
error = dlm_user_init();
|
|
if (error)
|
|
goto out_lowcomms;
|
|
|
|
printk("DLM (built %s %s) installed\n", __DATE__, __TIME__);
|
|
|
|
return 0;
|
|
|
|
out_lowcomms:
|
|
dlm_lowcomms_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_user_exit();
|
|
dlm_lowcomms_exit();
|
|
dlm_config_exit();
|
|
dlm_memory_exit();
|
|
dlm_lockspace_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);
|
|
|