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/kobject.h>
  25
  26 #include "ctree.h"
  27 #include "disk-io.h"
  28 #include "transaction.h"
  29
  30 /* /sys/fs/btrfs/ entry */
  31 static struct kset *btrfs_kset;
  32
  33 int btrfs_init_sysfs(void)
  34 {
  35         btrfs_kset = kset_create_and_add("btrfs", NULL, fs_kobj);
  36         if (!btrfs_kset)
  37                 return -ENOMEM;
  38         return 0;
  39 }
  40
  41 void btrfs_exit_sysfs(void)
  42 {
  43         kset_unregister(btrfs_kset);
  44 }
  45