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pass1b.c revision 1.9
      1  1.9      cgd /*	$NetBSD: pass1b.c,v 1.9 1995/03/18 14:55:51 cgd Exp $	*/
      2  1.9      cgd 
      3  1.1      cgd /*
      4  1.6  mycroft  * Copyright (c) 1980, 1986, 1993
      5  1.6  mycroft  *	The Regents of the University of California.  All rights reserved.
      6  1.1      cgd  *
      7  1.1      cgd  * Redistribution and use in source and binary forms, with or without
      8  1.1      cgd  * modification, are permitted provided that the following conditions
      9  1.1      cgd  * are met:
     10  1.1      cgd  * 1. Redistributions of source code must retain the above copyright
     11  1.1      cgd  *    notice, this list of conditions and the following disclaimer.
     12  1.1      cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1      cgd  *    notice, this list of conditions and the following disclaimer in the
     14  1.1      cgd  *    documentation and/or other materials provided with the distribution.
     15  1.1      cgd  * 3. All advertising materials mentioning features or use of this software
     16  1.1      cgd  *    must display the following acknowledgement:
     17  1.1      cgd  *	This product includes software developed by the University of
     18  1.1      cgd  *	California, Berkeley and its contributors.
     19  1.1      cgd  * 4. Neither the name of the University nor the names of its contributors
     20  1.1      cgd  *    may be used to endorse or promote products derived from this software
     21  1.1      cgd  *    without specific prior written permission.
     22  1.1      cgd  *
     23  1.1      cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.1      cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.1      cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.1      cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.1      cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.1      cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.1      cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.1      cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.1      cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.1      cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.1      cgd  * SUCH DAMAGE.
     34  1.1      cgd  */
     35  1.1      cgd 
     36  1.1      cgd #ifndef lint
     37  1.9      cgd #if 0
     38  1.9      cgd static char sccsid[] = "@(#)pass1b.c	8.1 (Berkeley) 6/5/93";
     39  1.9      cgd #else
     40  1.9      cgd static char rcsid[] = "$NetBSD: pass1b.c,v 1.9 1995/03/18 14:55:51 cgd Exp $";
     41  1.9      cgd #endif
     42  1.1      cgd #endif /* not lint */
     43  1.1      cgd 
     44  1.1      cgd #include <sys/param.h>
     45  1.5      cgd #include <sys/time.h>
     46  1.6  mycroft #include <ufs/ufs/dinode.h>
     47  1.6  mycroft #include <ufs/ffs/fs.h>
     48  1.8      cgd 
     49  1.1      cgd #include <string.h>
     50  1.1      cgd #include "fsck.h"
     51  1.8      cgd #include "extern.h"
     52  1.1      cgd 
     53  1.1      cgd int	pass1bcheck();
     54  1.1      cgd static  struct dups *duphead;
     55  1.1      cgd 
     56  1.8      cgd void
     57  1.1      cgd pass1b()
     58  1.1      cgd {
     59  1.1      cgd 	register int c, i;
     60  1.1      cgd 	register struct dinode *dp;
     61  1.1      cgd 	struct inodesc idesc;
     62  1.1      cgd 	ino_t inumber;
     63  1.1      cgd 
     64  1.7  mycroft 	memset(&idesc, 0, sizeof(struct inodesc));
     65  1.1      cgd 	idesc.id_type = ADDR;
     66  1.1      cgd 	idesc.id_func = pass1bcheck;
     67  1.1      cgd 	duphead = duplist;
     68  1.1      cgd 	inumber = 0;
     69  1.1      cgd 	for (c = 0; c < sblock.fs_ncg; c++) {
     70  1.1      cgd 		for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
     71  1.1      cgd 			if (inumber < ROOTINO)
     72  1.1      cgd 				continue;
     73  1.1      cgd 			dp = ginode(inumber);
     74  1.1      cgd 			if (dp == NULL)
     75  1.1      cgd 				continue;
     76  1.1      cgd 			idesc.id_number = inumber;
     77  1.1      cgd 			if (statemap[inumber] != USTATE &&
     78  1.1      cgd 			    (ckinode(dp, &idesc) & STOP))
     79  1.1      cgd 				return;
     80  1.1      cgd 		}
     81  1.1      cgd 	}
     82  1.1      cgd }
     83  1.1      cgd 
     84  1.8      cgd int
     85  1.1      cgd pass1bcheck(idesc)
     86  1.1      cgd 	register struct inodesc *idesc;
     87  1.1      cgd {
     88  1.1      cgd 	register struct dups *dlp;
     89  1.1      cgd 	int nfrags, res = KEEPON;
     90  1.1      cgd 	daddr_t blkno = idesc->id_blkno;
     91  1.1      cgd 
     92  1.1      cgd 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
     93  1.1      cgd 		if (chkrange(blkno, 1))
     94  1.1      cgd 			res = SKIP;
     95  1.1      cgd 		for (dlp = duphead; dlp; dlp = dlp->next) {
     96  1.1      cgd 			if (dlp->dup == blkno) {
     97  1.1      cgd 				blkerror(idesc->id_number, "DUP", blkno);
     98  1.1      cgd 				dlp->dup = duphead->dup;
     99  1.1      cgd 				duphead->dup = blkno;
    100  1.1      cgd 				duphead = duphead->next;
    101  1.1      cgd 			}
    102  1.1      cgd 			if (dlp == muldup)
    103  1.1      cgd 				break;
    104  1.1      cgd 		}
    105  1.1      cgd 		if (muldup == 0 || duphead == muldup->next)
    106  1.1      cgd 			return (STOP);
    107  1.1      cgd 	}
    108  1.1      cgd 	return (res);
    109  1.1      cgd }
    110