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/* $OpenBSD: ext2_inode_cnv.c,v 1.1 1996/06/24 03:34:56 downsj Exp $ */
/*
* Copyright (c) 1995 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Utah $Hdr$
*/
/*
* routines to convert on disk ext2 inodes in dinodes and back
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/stat.h>
#include <sys/vnode.h>
#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
/* these defs would destroy the ext2_fs_i #include */
#undef i_atime
#undef i_blocks
#undef i_ctime
#undef i_db
#undef i_flags
#undef i_gen
#undef i_gid
#undef i_ib
#undef i_mode
#undef i_mtime
#undef i_nlink
#undef i_rdev
#undef i_shortlink
#undef i_size
#undef i_uid
#include <gnu/ext2fs/ext2_fs.h>
#include <gnu/ext2fs/ext2_extern.h>
#include <gnu/ext2fs/ext2_fs_i.h>
void
ext2_print_dinode( di )
struct dinode *di;
{
int i;
printf( /* "Inode: %5d" */
" Type: %10s Mode: 0x%o Flags: 0x%x Version: %d\n",
"n/a", di->di_mode, di->di_flags, di->di_gen);
printf( "User: %5d Group: %5d Size: %d\n",
di->di_uid, di->di_gid, di->di_size);
printf( "Links: %3d Blockcount: %d\n",
di->di_nlink, di->di_blocks);
#if 0
printf( "ctime: 0x%x", di->di_ctime.ts_sec);
print_time(" -- %s\n", di->di_ctime.ts_sec);
printf( "atime: 0x%x", di->di_atime.ts_sec);
print_time(" -- %s\n", di->di_atime.ts_sec);
printf( "mtime: 0x%x", di->di_mtime.ts_sec);
print_time(" -- %s\n", di->di_mtime.ts_sec);
#endif
printf( "BLOCKS: ");
for(i=0; i < (di->di_blocks <= 24 ? ((di->di_blocks+1)/2): 12); i++)
printf("%d ", di->di_db[i]);
printf("\n");
}
void
ext2_print_inode( in )
struct inode *in;
{
printf( "Inode: %5d", in->i_number);
ext2_print_dinode(&in->i_din);
}
/*
* raw ext2 inode to dinode
*/
void
ext2_ei2di(ei, di)
struct ext2_inode *ei;
struct dinode *di;
{
int i;
di->di_nlink = ei->i_links_count;
/* Godmar thinks - if the link count is zero, then the inode is
unused - according to ext2 standards. Ufs marks this fact
by setting i_mode to zero - why ?
I can see that this might lead to problems in an undelete.
*/
di->di_mode = ei->i_links_count ? ei->i_mode : 0;
di->di_size = ei->i_size;
di->di_atime = ei->i_atime;
di->di_mtime = ei->i_mtime;
di->di_ctime = ei->i_ctime;
di->di_flags = 0;
di->di_flags |= (ei->i_flags & EXT2_APPEND_FL) ? APPEND : 0;
di->di_flags |= (ei->i_flags & EXT2_IMMUTABLE_FL) ? IMMUTABLE : 0;
di->di_blocks = ei->i_blocks;
di->di_gen = ei->i_version; /* XXX is that true ??? */
di->di_uid = ei->i_uid;
di->di_gid = ei->i_gid;
/* XXX use memcpy */
for(i = 0; i < NDADDR; i++)
di->di_db[i] = ei->i_block[i];
for(i = 0; i < NIADDR; i++)
di->di_ib[i] = ei->i_block[EXT2_NDIR_BLOCKS + i];
}
/*
* dinode to raw ext2 inode
*/
void
ext2_di2ei(di, ei)
struct dinode *di;
struct ext2_inode *ei;
{
int i;
ei->i_mode = di->di_mode;
ei->i_links_count = di->di_nlink;
/*
Godmar thinks: if dtime is nonzero, ext2 says this inode
has been deleted, this would correspond to a zero link count
*/
ei->i_dtime = ei->i_links_count ? 0 : di->di_mtime;
ei->i_size = di->di_size;
ei->i_atime = di->di_atime;
ei->i_mtime = di->di_mtime;
ei->i_ctime = di->di_ctime;
ei->i_flags = di->di_flags;
ei->i_flags = 0;
ei->i_flags |= (di->di_flags & APPEND) ? EXT2_APPEND_FL: 0;
ei->i_flags |= (di->di_flags & IMMUTABLE)
? EXT2_IMMUTABLE_FL: 0;
ei->i_blocks = di->di_blocks;
ei->i_version = di->di_gen; /* XXX is that true ??? */
ei->i_uid = di->di_uid;
ei->i_gid = di->di_gid;
/* XXX use memcpy */
for(i = 0; i < NDADDR; i++)
ei->i_block[i] = di->di_db[i];
for(i = 0; i < NIADDR; i++)
ei->i_block[EXT2_NDIR_BLOCKS + i] = di->di_ib[i];
}
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