usr.sbin/makefs/ffs/ufs_inode.h

   1 /*      $NetBSD: ufs_inode.h,v 1.3 2003/08/07 11:25:34 agc Exp $        */
   2 /* From:  NetBSD: inode.h,v 1.27 2001/12/18 10:57:23 fvdl Exp $ */
   3
   4 /*
   5  * Copyright (c) 1982, 1989, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  * (c) UNIX System Laboratories, Inc.
   8  * All or some portions of this file are derived from material licensed
   9  * to the University of California by American Telephone and Telegraph
  10  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  11  * the permission of UNIX System Laboratories, Inc.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. Neither the name of the University nor the names of its contributors
  22  *    may be used to endorse or promote products derived from this software
  23  *    without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  *
  37  *      @(#)inode.h     8.9 (Berkeley) 5/14/95
  38  */
  39
  40 union dinode {
  41         struct ufs1_dinode ffs1_din;
  42         struct ufs2_dinode ffs2_din;
  43 };
  44
  45 struct inode {
  46         ino_t           i_number;       /* The identity of the inode. */
  47         struct fs       *i_fs;          /* File system */
  48         union dinode    i_din;
  49         int             i_fd;           /* File descriptor */
  50         uint64_t        i_size;
  51 };
  52
  53 #define i_ffs1_atime            i_din.ffs1_din.di_atime
  54 #define i_ffs1_atimensec        i_din.ffs1_din.di_atimensec
  55 #define i_ffs1_blocks           i_din.ffs1_din.di_blocks
  56 #define i_ffs1_ctime            i_din.ffs1_din.di_ctime
  57 #define i_ffs1_ctimensec        i_din.ffs1_din.di_ctimensec
  58 #define i_ffs1_db               i_din.ffs1_din.di_db
  59 #define i_ffs1_flags            i_din.ffs1_din.di_flags
  60 #define i_ffs1_gen              i_din.ffs1_din.di_gen
  61 #define i_ffs11_gid             i_din.ffs1_din.di_gid
  62 #define i_ffs1_ib               i_din.ffs1_din.di_ib
  63 #define i_ffs1_mode             i_din.ffs1_din.di_mode
  64 #define i_ffs1_mtime            i_din.ffs1_din.di_mtime
  65 #define i_ffs1_mtimensec        i_din.ffs1_din.di_mtimensec
  66 #define i_ffs1_nlink            i_din.ffs1_din.di_nlink
  67 #define i_ffs1_rdev             i_din.ffs1_din.di_rdev
  68 #define i_ffs1_shortlink        i_din.ffs1_din.db
  69 #define i_ffs1_size             i_din.ffs1_din.di_size
  70 #define i_ffs1_uid              i_din.ffs1_din.di_uid
  71
  72 #define i_ffs2_atime            i_din.ffs2_din.di_atime
  73 #define i_ffs2_atimensec        i_din.ffs2_din.di_atimensec
  74 #define i_ffs2_blocks           i_din.ffs2_din.di_blocks
  75 #define i_ffs2_ctime            i_din.ffs2_din.di_ctime
  76 #define i_ffs2_ctimensec        i_din.ffs2_din.di_ctimensec
  77 #define i_ffs2_birthtime        i_din.ffs2_din.di_birthtime
  78 #define i_ffs2_birthnsec        i_din.ffs2_din.di_birthnsec
  79 #define i_ffs2_db               i_din.ffs2_din.di_db
  80 #define i_ffs2_flags            i_din.ffs2_din.di_flags
  81 #define i_ffs2_gen              i_din.ffs2_din.di_gen
  82 #define i_ffs21_gid             i_din.ffs2_din.di_gid
  83 #define i_ffs2_ib               i_din.ffs2_din.di_ib
  84 #define i_ffs2_mode             i_din.ffs2_din.di_mode
  85 #define i_ffs2_mtime            i_din.ffs2_din.di_mtime
  86 #define i_ffs2_mtimensec        i_din.ffs2_din.di_mtimensec
  87 #define i_ffs2_nlink            i_din.ffs2_din.di_nlink
  88 #define i_ffs2_rdev             i_din.ffs2_din.di_rdev
  89 #define i_ffs2_shortlink        i_din.ffs2_din.db
  90 #define i_ffs2_size             i_din.ffs2_din.di_size
  91 #define i_ffs2_uid              i_din.ffs2_din.di_uid
  92
  93 #undef DIP
  94 #define DIP(ip, field) \
  95         (((ip)->i_fs->fs_magic == FS_UFS1_MAGIC) ? \
  96         (ip)->i_ffs1_##field : (ip)->i_ffs2_##field)
  97
  98 #define DIP_ASSIGN(ip, field, value)                                    \
  99         do {                                                            \
 100                 if ((ip)->i_fs->fs_magic == FS_UFS1_MAGIC)              \
 101                         (ip)->i_ffs1_##field = (value);                 \
 102                 else                                                    \
 103                         (ip)->i_ffs2_##field = (value);                 \
 104         } while(0)
 105
 106 #define DIP_ADD(ip, field, value)                                       \
 107         do {                                                            \
 108                 if ((ip)->i_fs->fs_magic == FS_UFS1_MAGIC)              \
 109                         (ip)->i_ffs1_##field += (value);                \
 110                 else                                                    \
 111                         (ip)->i_ffs2_##field += (value);                \
 112         } while(0)