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/*
* hfsutils - tools for reading and writing Macintosh HFS volumes
* Copyright (C) 1996-1998 Robert Leslie
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: module.c,v 1.3 1998/04/11 08:27:22 rob Exp $
*/
# include <linux/fs.h>
# include <linux/locks.h>
# include <linux/module.h>
# include "libhfs.h"
/* Superblock Operations =================================================== */
static
struct super_operations hfs_super_operations = {
0, /* read_inode */
0, /* notify_change */
0, /* write_inode */
0, /* put_inode */
0, /* put_super */
0, /* write_super */
0, /* statfs */
0, /* remount_fs */
};
static
struct super_block *hfs_read_super(struct super_block *sb,
void *data, int silent)
{
char *opts = data;
MOD_INC_USE_COUNT;
lock_super(sb);
set_blocksize(sb->s_dev, HFS_BLOCKSZ);
sb->s_blocksize = HFS_BLOCKSZ;
sb->s_blocksize_bits = HFS_BLOCKSZ_BITS;
sb->s_op = &hfs_super_operations;
sb->s_magic = HFS_SIGWORD;
sb->s_mounted = 0;
unlock_super(sb);
return sb;
}
static
void hfs_put_super(struct super_block *sb)
{
lock_super(sb);
set_blocksize(sb->s_dev, BLOCK_SIZE);
sb->s_dev = 0;
unlock_super(sb);
MOD_DEC_USE_COUNT;
}
/* Module Functions ======================================================== */
static
struct file_system_type hfs_fs = { hfs_read_super, "hfs", 1, 0 };
int init_module(void)
{
int err;
if ((err = register_filesystem(&hfs_fs)) < 0)
return err;
return 0;
}
void cleanup_module(void)
{
int err;
if ((err = unregister_filesystem(&hfs_fs)) < 0)
printk("HFS: error %d during unregister_filesystem()\n", err);
}
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