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ufs_inode.h revision 1.3
      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