/fs/btrfs/sysfs.c

 1/*
 2 * Copyright (C) 2007 Oracle.  All rights reserved.
 3 *
 4 * This program is free software; you can redistribute it and/or
 5 * modify it under the terms of the GNU General Public
 6 * License v2 as published by the Free Software Foundation.
 7 *
 8 * This program is distributed in the hope that it will be useful,
 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
17 */
18
19#include <linux/sched.h>
20#include <linux/slab.h>
21#include <linux/spinlock.h>
22#include <linux/completion.h>
23#include <linux/buffer_head.h>
24#include <linux/module.h>
25#include <linux/kobject.h>
26
27#include "ctree.h"
28#include "disk-io.h"
29#include "transaction.h"
30
31/* /sys/fs/btrfs/ entry */
32static struct kset *btrfs_kset;
33
34int btrfs_init_sysfs(void)
35{
36	btrfs_kset = kset_create_and_add("btrfs", NULL, fs_kobj);
37	if (!btrfs_kset)
38		return -ENOMEM;
39	return 0;
40}
41
42void btrfs_exit_sysfs(void)
43{
44	kset_unregister(btrfs_kset);
45}
46