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/*      $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)