1/*	$NetBSD: ufs_inode.h,v 1.4 2005/06/23 00:53:16 fvdl 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
40union dinode {
41	struct ufs1_dinode ffs1_din;
42	struct ufs2_dinode ffs2_din;
43};
44
45struct inode {
46	ino_t	  	i_number;	/* The identity of the inode. */
47	struct vnode	*i_devvp;	/* device vnode for block I/O */
48	struct fs	*i_fs;		/* File system */
49	union dinode	i_din;
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)
113