Home | History | Annotate | Line # | Download | only in ffs
      1  1.5  christos /*	$NetBSD: ufs_inode.h,v 1.5 2013/01/30 19:19:19 christos Exp $	*/
      2  1.1     lukem /* From:  NetBSD: inode.h,v 1.27 2001/12/18 10:57:23 fvdl Exp $ */
      3  1.1     lukem 
      4  1.1     lukem /*
      5  1.1     lukem  * Copyright (c) 1982, 1989, 1993
      6  1.1     lukem  *	The Regents of the University of California.  All rights reserved.
      7  1.1     lukem  * (c) UNIX System Laboratories, Inc.
      8  1.1     lukem  * All or some portions of this file are derived from material licensed
      9  1.1     lukem  * to the University of California by American Telephone and Telegraph
     10  1.1     lukem  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
     11  1.1     lukem  * the permission of UNIX System Laboratories, Inc.
     12  1.1     lukem  *
     13  1.1     lukem  * Redistribution and use in source and binary forms, with or without
     14  1.1     lukem  * modification, are permitted provided that the following conditions
     15  1.1     lukem  * are met:
     16  1.1     lukem  * 1. Redistributions of source code must retain the above copyright
     17  1.1     lukem  *    notice, this list of conditions and the following disclaimer.
     18  1.1     lukem  * 2. Redistributions in binary form must reproduce the above copyright
     19  1.1     lukem  *    notice, this list of conditions and the following disclaimer in the
     20  1.1     lukem  *    documentation and/or other materials provided with the distribution.
     21  1.3       agc  * 3. Neither the name of the University nor the names of its contributors
     22  1.1     lukem  *    may be used to endorse or promote products derived from this software
     23  1.1     lukem  *    without specific prior written permission.
     24  1.1     lukem  *
     25  1.1     lukem  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     26  1.1     lukem  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  1.1     lukem  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  1.1     lukem  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     29  1.1     lukem  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  1.1     lukem  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  1.1     lukem  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  1.1     lukem  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  1.1     lukem  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  1.1     lukem  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  1.1     lukem  * SUCH DAMAGE.
     36  1.1     lukem  *
     37  1.1     lukem  *	@(#)inode.h	8.9 (Berkeley) 5/14/95
     38  1.1     lukem  */
     39  1.1     lukem 
     40  1.2      fvdl union dinode {
     41  1.2      fvdl 	struct ufs1_dinode ffs1_din;
     42  1.2      fvdl 	struct ufs2_dinode ffs2_din;
     43  1.2      fvdl };
     44  1.1     lukem 
     45  1.1     lukem struct inode {
     46  1.1     lukem 	ino_t	  	i_number;	/* The identity of the inode. */
     47  1.5  christos 	struct vnode	*i_devvp;	/* device vnode for block I/O */
     48  1.1     lukem 	struct fs	*i_fs;		/* File system */
     49  1.2      fvdl 	union dinode	i_din;
     50  1.2      fvdl 	uint64_t	i_size;
     51  1.1     lukem };
     52  1.1     lukem 
     53  1.2      fvdl #define	i_ffs1_atime		i_din.ffs1_din.di_atime
     54  1.2      fvdl #define	i_ffs1_atimensec	i_din.ffs1_din.di_atimensec
     55  1.2      fvdl #define	i_ffs1_blocks		i_din.ffs1_din.di_blocks
     56  1.2      fvdl #define	i_ffs1_ctime		i_din.ffs1_din.di_ctime
     57  1.2      fvdl #define	i_ffs1_ctimensec	i_din.ffs1_din.di_ctimensec
     58  1.2      fvdl #define	i_ffs1_db		i_din.ffs1_din.di_db
     59  1.2      fvdl #define	i_ffs1_flags		i_din.ffs1_din.di_flags
     60  1.2      fvdl #define	i_ffs1_gen		i_din.ffs1_din.di_gen
     61  1.2      fvdl #define	i_ffs11_gid		i_din.ffs1_din.di_gid
     62  1.2      fvdl #define	i_ffs1_ib		i_din.ffs1_din.di_ib
     63  1.2      fvdl #define	i_ffs1_mode		i_din.ffs1_din.di_mode
     64  1.2      fvdl #define	i_ffs1_mtime		i_din.ffs1_din.di_mtime
     65  1.2      fvdl #define	i_ffs1_mtimensec	i_din.ffs1_din.di_mtimensec
     66  1.2      fvdl #define	i_ffs1_nlink		i_din.ffs1_din.di_nlink
     67  1.2      fvdl #define	i_ffs1_rdev		i_din.ffs1_din.di_rdev
     68  1.2      fvdl #define	i_ffs1_shortlink	i_din.ffs1_din.db
     69  1.2      fvdl #define	i_ffs1_size		i_din.ffs1_din.di_size
     70  1.2      fvdl #define	i_ffs1_uid		i_din.ffs1_din.di_uid
     71  1.2      fvdl 
     72  1.2      fvdl #define	i_ffs2_atime		i_din.ffs2_din.di_atime
     73  1.2      fvdl #define	i_ffs2_atimensec	i_din.ffs2_din.di_atimensec
     74  1.2      fvdl #define	i_ffs2_blocks		i_din.ffs2_din.di_blocks
     75  1.2      fvdl #define	i_ffs2_ctime		i_din.ffs2_din.di_ctime
     76  1.2      fvdl #define	i_ffs2_ctimensec	i_din.ffs2_din.di_ctimensec
     77  1.2      fvdl #define	i_ffs2_birthtime	i_din.ffs2_din.di_birthtime
     78  1.2      fvdl #define	i_ffs2_birthnsec	i_din.ffs2_din.di_birthnsec
     79  1.2      fvdl #define	i_ffs2_db		i_din.ffs2_din.di_db
     80  1.2      fvdl #define	i_ffs2_flags		i_din.ffs2_din.di_flags
     81  1.2      fvdl #define	i_ffs2_gen		i_din.ffs2_din.di_gen
     82  1.2      fvdl #define	i_ffs21_gid		i_din.ffs2_din.di_gid
     83  1.2      fvdl #define	i_ffs2_ib		i_din.ffs2_din.di_ib
     84  1.2      fvdl #define	i_ffs2_mode		i_din.ffs2_din.di_mode
     85  1.2      fvdl #define	i_ffs2_mtime		i_din.ffs2_din.di_mtime
     86  1.2      fvdl #define	i_ffs2_mtimensec	i_din.ffs2_din.di_mtimensec
     87  1.2      fvdl #define	i_ffs2_nlink		i_din.ffs2_din.di_nlink
     88  1.2      fvdl #define	i_ffs2_rdev		i_din.ffs2_din.di_rdev
     89  1.2      fvdl #define	i_ffs2_shortlink	i_din.ffs2_din.db
     90  1.2      fvdl #define	i_ffs2_size		i_din.ffs2_din.di_size
     91  1.2      fvdl #define	i_ffs2_uid		i_din.ffs2_din.di_uid
     92  1.2      fvdl 
     93  1.2      fvdl #undef DIP
     94  1.2      fvdl #define DIP(ip, field) \
     95  1.2      fvdl         (((ip)->i_fs->fs_magic == FS_UFS1_MAGIC) ? \
     96  1.2      fvdl         (ip)->i_ffs1_##field : (ip)->i_ffs2_##field)
     97  1.4      fvdl 
     98  1.4      fvdl #define DIP_ASSIGN(ip, field, value)					\
     99  1.4      fvdl 	do {								\
    100  1.4      fvdl 		if ((ip)->i_fs->fs_magic == FS_UFS1_MAGIC)		\
    101  1.4      fvdl 			(ip)->i_ffs1_##field = (value);			\
    102  1.4      fvdl 		else							\
    103  1.4      fvdl 			(ip)->i_ffs2_##field = (value);			\
    104  1.4      fvdl 	} while(0)
    105  1.4      fvdl 
    106  1.4      fvdl #define DIP_ADD(ip, field, value)					\
    107  1.4      fvdl 	do {								\
    108  1.4      fvdl 		if ((ip)->i_fs->fs_magic == FS_UFS1_MAGIC)		\
    109  1.4      fvdl 			(ip)->i_ffs1_##field += (value);		\
    110  1.4      fvdl 		else							\
    111  1.4      fvdl 			(ip)->i_ffs2_##field += (value);		\
    112  1.4      fvdl 	} while(0)
    113