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/*
* ext.h - extfs-specific include file for the Linux file system
* degragmenter.
* $Id: ext.h,v 1.3 1997/08/10 16:32:09 linux Exp $
*
* Copyright (C) 1992, 1993 Stephen Tweedie (sct@dcs.ed.ac.uk)
*
* Copyright (C) 1992 Remy Card (card@masi.ibp.fr)
*
* Copyright (C) 1991 Linus Torvalds (torvalds@kruuna.helsinki.fi)
*
* This file may be redistributed under the terms of the GNU General
* Public License.
*
*/
#include <linux/fs.h>
#include <linux/ext_fs.h>
#define HAS_TIND
#define NAME_LEN EXT_NAME_LEN
#define DIRECT_ZONES 9
#define ROOT_INO 1
#define BAD_INO 2
#define FIRST_USER_INODE 3
typedef unsigned long Block;
#define d_inode ext_inode
#define UPPER(size,n) ((size + ((n) - 1)) / (n))
#define INODE_SIZE (sizeof (struct d_inode))
#define INODE_BLOCKS UPPER(INODES, EXT_INODES_PER_BLOCK)
#define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE)
#define BITS_PER_BLOCK (BLOCK_SIZE<<3)
#define Super (* (struct ext_super_block *) super_block_buffer)
#define INODES (Super.s_ninodes)
#define ZONES (Super.s_nzones)
#define FIRSTFREEBLOCK (Super.s_firstfreeblock)
#define FREEBLOCKSCOUNT (Super.s_freeblockscount)
#define FIRSTFREEINODE (Super.s_firstfreeinode)
#define FREEINODESCOUNT (Super.s_freeinodescount)
#define FIRSTZONE (Super.s_firstdatazone)
#define ZONESIZE (Super.s_log_zone_size)
#define MAXSIZE (Super.s_max_size)
#define MAGIC (Super.s_magic)
#define NORM_FIRSTZONE (2 + INODE_BLOCKS)
#define INODES_PER_BLOCK (BLOCK_SIZE >> 2)
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