/*	$NetBSD: ufs_inode.h,v 1.4 2005/06/23 00:53:16 fvdl Exp $	*/
/* From:  NetBSD: inode.h,v 1.27 2001/12/18 10:57:23 fvdl Exp $ */

/*
 * Copyright (c) 1982, 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)inode.h	8.9 (Berkeley) 5/14/95
 */

union dinode {
	struct ufs1_dinode ffs1_din;
	struct ufs2_dinode ffs2_din;
};

struct inode {
	ino_t	  	i_number;	/* The identity of the inode. */
	struct fs	*i_fs;		/* File system */
	union dinode	i_din;
	int		i_fd;		/* File descriptor */
	uint64_t	i_size;
};

#define	i_ffs1_atime		i_din.ffs1_din.di_atime
#define	i_ffs1_atimensec	i_din.ffs1_din.di_atimensec
#define	i_ffs1_blocks		i_din.ffs1_din.di_blocks
#define	i_ffs1_ctime		i_din.ffs1_din.di_ctime
#define	i_ffs1_ctimensec	i_din.ffs1_din.di_ctimensec
#define	i_ffs1_db		i_din.ffs1_din.di_db
#define	i_ffs1_flags		i_din.ffs1_din.di_flags
#define	i_ffs1_gen		i_din.ffs1_din.di_gen
#define	i_ffs11_gid		i_din.ffs1_din.di_gid
#define	i_ffs1_ib		i_din.ffs1_din.di_ib
#define	i_ffs1_mode		i_din.ffs1_din.di_mode
#define	i_ffs1_mtime		i_din.ffs1_din.di_mtime
#define	i_ffs1_mtimensec	i_din.ffs1_din.di_mtimensec
#define	i_ffs1_nlink		i_din.ffs1_din.di_nlink
#define	i_ffs1_rdev		i_din.ffs1_din.di_rdev
#define	i_ffs1_shortlink	i_din.ffs1_din.db
#define	i_ffs1_size		i_din.ffs1_din.di_size
#define	i_ffs1_uid		i_din.ffs1_din.di_uid

#define	i_ffs2_atime		i_din.ffs2_din.di_atime
#define	i_ffs2_atimensec	i_din.ffs2_din.di_atimensec
#define	i_ffs2_blocks		i_din.ffs2_din.di_blocks
#define	i_ffs2_ctime		i_din.ffs2_din.di_ctime
#define	i_ffs2_ctimensec	i_din.ffs2_din.di_ctimensec
#define	i_ffs2_birthtime	i_din.ffs2_din.di_birthtime
#define	i_ffs2_birthnsec	i_din.ffs2_din.di_birthnsec
#define	i_ffs2_db		i_din.ffs2_din.di_db
#define	i_ffs2_flags		i_din.ffs2_din.di_flags
#define	i_ffs2_gen		i_din.ffs2_din.di_gen
#define	i_ffs21_gid		i_din.ffs2_din.di_gid
#define	i_ffs2_ib		i_din.ffs2_din.di_ib
#define	i_ffs2_mode		i_din.ffs2_din.di_mode
#define	i_ffs2_mtime		i_din.ffs2_din.di_mtime
#define	i_ffs2_mtimensec	i_din.ffs2_din.di_mtimensec
#define	i_ffs2_nlink		i_din.ffs2_din.di_nlink
#define	i_ffs2_rdev		i_din.ffs2_din.di_rdev
#define	i_ffs2_shortlink	i_din.ffs2_din.db
#define	i_ffs2_size		i_din.ffs2_din.di_size
#define	i_ffs2_uid		i_din.ffs2_din.di_uid

#undef DIP
#define DIP(ip, field) \
        (((ip)->i_fs->fs_magic == FS_UFS1_MAGIC) ? \
        (ip)->i_ffs1_##field : (ip)->i_ffs2_##field)

#define DIP_ASSIGN(ip, field, value)					\
	do {								\
		if ((ip)->i_fs->fs_magic == FS_UFS1_MAGIC)		\
			(ip)->i_ffs1_##field = (value);			\
		else							\
			(ip)->i_ffs2_##field = (value);			\
	} while(0)

#define DIP_ADD(ip, field, value)					\
	do {								\
		if ((ip)->i_fs->fs_magic == FS_UFS1_MAGIC)		\
			(ip)->i_ffs1_##field += (value);		\
		else							\
			(ip)->i_ffs2_##field += (value);		\
	} while(0)
