/* * 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 =================================================== */ staticstruct 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 */}; staticstruct 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;} staticvoid 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 ======================================================== */ staticstruct 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);}