Home | History | Annotate | Line # | Download | only in fsck_ffs
pass1b.c revision 1.13 
      1 /*	$NetBSD: pass1b.c,v 1.13 1998/03/18 17:01:24 bouyer Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1980, 1986, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 #if 0
     39 static char sccsid[] = "@(#)pass1b.c	8.4 (Berkeley) 4/28/95";
     40 #else
     41 __RCSID("$NetBSD: pass1b.c,v 1.13 1998/03/18 17:01:24 bouyer Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include <sys/param.h>
     46 #include <sys/time.h>
     47 
     48 #include <ufs/ufs/dinode.h>
     49 #include <ufs/ffs/fs.h>
     50 
     51 #include <string.h>
     52 
     53 #include "fsck.h"
     54 #include "extern.h"
     55 
     56 static  struct dups *duphead;
     57 static int pass1bcheck __P((struct inodesc *));
     58 
     59 void
     60 pass1b()
     61 {
     62 	int c, i;
     63 	struct dinode *dp;
     64 	struct inodesc idesc;
     65 	ino_t inumber;
     66 
     67 	memset(&idesc, 0, sizeof(struct inodesc));
     68 	idesc.id_type = ADDR;
     69 	idesc.id_func = pass1bcheck;
     70 	duphead = duplist;
     71 	inumber = 0;
     72 	for (c = 0; c < sblock->fs_ncg; c++) {
     73 		for (i = 0; i < sblock->fs_ipg; i++, inumber++) {
     74 			if (inumber < ROOTINO)
     75 				continue;
     76 			dp = ginode(inumber);
     77 			if (dp == NULL)
     78 				continue;
     79 			idesc.id_number = inumber;
     80 			if (statemap[inumber] != USTATE &&
     81 			    (ckinode(dp, &idesc) & STOP))
     82 				return;
     83 		}
     84 	}
     85 }
     86 
     87 static int
     88 pass1bcheck(idesc)
     89 	struct inodesc *idesc;
     90 {
     91 	struct dups *dlp;
     92 	int nfrags, res = KEEPON;
     93 	ufs_daddr_t blkno = idesc->id_blkno;
     94 
     95 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
     96 		if (chkrange(blkno, 1))
     97 			res = SKIP;
     98 		for (dlp = duphead; dlp; dlp = dlp->next) {
     99 			if (dlp->dup == blkno) {
    100 				blkerror(idesc->id_number, "DUP", blkno);
    101 				dlp->dup = duphead->dup;
    102 				duphead->dup = blkno;
    103 				duphead = duphead->next;
    104 			}
    105 			if (dlp == muldup)
    106 				break;
    107 		}
    108 		if (muldup == 0 || duphead == muldup->next)
    109 			return (STOP);
    110 	}
    111 	return (res);
    112 }
    113