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/*
* Project: HARTIK (HA-rd R-eal TI-me K-ernel)
*
* Coordinators: Giorgio Buttazzo <giorgio@sssup.it>
* Gerardo Lamastra <gerardo@sssup.it>
*
* Authors : Massimiliano Giorgi <massy@hartik.sssup.it>
* (see authors.txt for full list of hartik's authors)
*
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
*
* http://www.sssup.it
* http://retis.sssup.it
* http://hartik.sssup.it
*/
/*
* Copyright (C) 1999 Massimiliano Giorgi
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
* CVS : $Id: devfs_s.c,v 1.1.1.1 2002-03-29 14:12:50 pj Exp $
*
* File: $File$
* Revision: $Revision: 1.1.1.1 $
* Last update: $Date: 2002-03-29 14:12:50 $
*/
#include <fs/util.h>
#include <fs/types.h>
#include <fs/stat.h>
#include <fs/fsinit.h>
#include <fs/fsind.h>
#include "dcache.h"
#include "fs.h"
static struct super_block *devfs_read_super(__dev_t dev, __uint8_t fs_ind);
static struct file_system_type devfs=
{"devfs",0,FS_MSDOS,devfs_read_super};
int devfs_fs_init(FILESYSTEM_PARMS *ptr)
{
filesystem_register(&devfs);
return 0;
}
/*-----------------------------------------*/
/*
*
* Super operations
*
*/
static int devfs_read_inode(struct inode *in);
static int devfsrite_inode(struct inode *in);
static struct super_operations devfs_super_operations={
devfs_read_inode,
devfs_write_inode
};
static int msdos_read_inode(struct inode *in)
{
struct directoryentry *den;
dcache_t *ptr;
__uint16_t cluster;
__uint32_t lsector;
__uint16_t deoffs,offs;
/*i_sb gia' messo*/
/*i_ino gia' messo*/
den=(struct directoryentry *)(ptr->buffer)+offs;
in->i_dev=in->i_sb->sb_dev;
in->i_mode=__S_IRWXO|__S_IRWXG|__S_IRWXU;
in->i_mode|=__S_IFREG);
in->i_nlink=1;
in->i_uid=0;
in->i_gid=0;
in->i_rdev=0;
in->i_size=den->size;
in->i_atime=in->i_mtime=in->i_ctime=0;
in->i_op=&devfs_inode_operations;
return 0;
}
static int msdos_write_inode(struct inode *in)
{
return -1;
}
/*
*
* Mount operation
*
*/
static struct super_block *devfs_read_super(__dev_t dev, __uint8_t fs_ind)
{
struct inode *in;
struct bootrecord *br;
struct super_block *sb;
dcache_t *dc;
int res;
sb=super_getblock();
if (sb==NULL) {
dcache_unlock(dc);
return NULL;
}
sb->sb_dev=dev;
//sb->sb_op=&devfs_super_operations;
//sb->sb_dop=&devfs_dentry_operations;
in=inode_get();
if (in==NULL) {
super_freeblock(sb);
return NULL;
}
sb->sb_root=in;
in->i_sb=sb;
in->i_ino=0; /* ??? */
return sb;
}