101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
/*
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* hfsutils - tools for reading and writing Macintosh HFS volumes
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* Copyright (C) 1996-1998 Robert Leslie
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: module.c,v 1.3 1998/04/11 08:27:22 rob Exp $
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*/
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# include <linux/fs.h>
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# include <linux/locks.h>
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# include <linux/module.h>
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# include "libhfs.h"
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/* Superblock Operations =================================================== */
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static
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struct super_operations hfs_super_operations = {
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0, /* read_inode */
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0, /* notify_change */
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0, /* write_inode */
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0, /* put_inode */
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0, /* put_super */
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0, /* write_super */
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0, /* statfs */
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0, /* remount_fs */
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};
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static
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struct super_block *hfs_read_super(struct super_block *sb,
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void *data, int silent)
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{
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char *opts = data;
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MOD_INC_USE_COUNT;
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lock_super(sb);
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set_blocksize(sb->s_dev, HFS_BLOCKSZ);
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sb->s_blocksize = HFS_BLOCKSZ;
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sb->s_blocksize_bits = HFS_BLOCKSZ_BITS;
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sb->s_op = &hfs_super_operations;
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sb->s_magic = HFS_SIGWORD;
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sb->s_mounted = 0;
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unlock_super(sb);
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return sb;
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}
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static
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void hfs_put_super(struct super_block *sb)
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{
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lock_super(sb);
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set_blocksize(sb->s_dev, BLOCK_SIZE);
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sb->s_dev = 0;
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unlock_super(sb);
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MOD_DEC_USE_COUNT;
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}
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/* Module Functions ======================================================== */
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static
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struct file_system_type hfs_fs = { hfs_read_super, "hfs", 1, 0 };
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int init_module(void)
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{
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int err;
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if ((err = register_filesystem(&hfs_fs)) < 0)
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return err;
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return 0;
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}
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void cleanup_module(void)
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{
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int err;
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if ((err = unregister_filesystem(&hfs_fs)) < 0)
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printk("HFS: error %d during unregister_filesystem()\n", err);
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}
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