83 lines
1.9 KiB
C
Executable file
83 lines
1.9 KiB
C
Executable file
/* -*- mode: c; c-basic-offset: 8; -*-
|
|
* vim: noexpandtab sw=8 ts=8 sts=0:
|
|
*
|
|
* sys.c
|
|
*
|
|
* OCFS2 cluster sysfs interface
|
|
*
|
|
* Copyright (C) 2005 Oracle. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License as published by the Free Software Foundation,
|
|
* version 2 of the License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 021110-1307, USA.
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/kobject.h>
|
|
#include <linux/sysfs.h>
|
|
#include <linux/fs.h>
|
|
|
|
#include "ocfs2_nodemanager.h"
|
|
#include "masklog.h"
|
|
#include "sys.h"
|
|
|
|
|
|
static ssize_t version_show(struct kobject *kobj, struct kobj_attribute *attr,
|
|
char *buf)
|
|
{
|
|
return snprintf(buf, PAGE_SIZE, "%u\n", O2NM_API_VERSION);
|
|
}
|
|
static struct kobj_attribute attr_version =
|
|
__ATTR(interface_revision, S_IRUGO, version_show, NULL);
|
|
|
|
static struct attribute *o2cb_attrs[] = {
|
|
&attr_version.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct attribute_group o2cb_attr_group = {
|
|
.attrs = o2cb_attrs,
|
|
};
|
|
|
|
static struct kset *o2cb_kset;
|
|
|
|
void o2cb_sys_shutdown(void)
|
|
{
|
|
mlog_sys_shutdown();
|
|
kset_unregister(o2cb_kset);
|
|
}
|
|
|
|
int o2cb_sys_init(void)
|
|
{
|
|
int ret;
|
|
|
|
o2cb_kset = kset_create_and_add("o2cb", NULL, fs_kobj);
|
|
if (!o2cb_kset)
|
|
return -ENOMEM;
|
|
|
|
ret = sysfs_create_group(&o2cb_kset->kobj, &o2cb_attr_group);
|
|
if (ret)
|
|
goto error;
|
|
|
|
ret = mlog_sys_init(o2cb_kset);
|
|
if (ret)
|
|
goto error;
|
|
return 0;
|
|
error:
|
|
kset_unregister(o2cb_kset);
|
|
return ret;
|
|
}
|