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pass1b.c revision 1.5 
      1 /*	$NetBSD: pass1b.c,v 1.5 2004/03/22 19:46:53 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Copyright (c) 1997 Manuel Bouyer.
     34  *
     35  * Redistribution and use in source and binary forms, with or without
     36  * modification, are permitted provided that the following conditions
     37  * are met:
     38  * 1. Redistributions of source code must retain the above copyright
     39  *    notice, this list of conditions and the following disclaimer.
     40  * 2. Redistributions in binary form must reproduce the above copyright
     41  *    notice, this list of conditions and the following disclaimer in the
     42  *    documentation and/or other materials provided with the distribution.
     43  * 3. All advertising materials mentioning features or use of this software
     44  *    must display the following acknowledgement:
     45  *	This product includes software developed by Manuel Bouyer.
     46  * 4. The name of the author may not be used to endorse or promote products
     47  *    derived from this software without specific prior written permission.
     48  *
     49  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     50  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     51  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     52  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     53  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     54  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     55  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     56  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     57  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     58  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     59  */
     60 
     61 #include <sys/cdefs.h>
     62 #ifndef lint
     63 #if 0
     64 static char sccsid[] = "@(#)pass1b.c	8.1 (Berkeley) 6/5/93";
     65 #else
     66 __RCSID("$NetBSD: pass1b.c,v 1.5 2004/03/22 19:46:53 bouyer Exp $");
     67 #endif
     68 #endif /* not lint */
     69 
     70 #include <sys/param.h>
     71 #include <sys/time.h>
     72 #include <ufs/ext2fs/ext2fs_dinode.h>
     73 #include <ufs/ext2fs/ext2fs.h>
     74 
     75 #include <string.h>
     76 #include "fsck.h"
     77 #include "extern.h"
     78 
     79 static int	pass1bcheck __P((struct inodesc *));
     80 static  struct dups *duphead;
     81 
     82 void
     83 pass1b()
     84 {
     85 	int c, i;
     86 	struct ext2fs_dinode *dp;
     87 	struct inodesc idesc;
     88 	ino_t inumber;
     89 
     90 	memset(&idesc, 0, sizeof(struct inodesc));
     91 	idesc.id_type = ADDR;
     92 	idesc.id_func = pass1bcheck;
     93 	duphead = duplist;
     94 	inumber = 0;
     95 	for (c = 0; c < sblock.e2fs_ncg; c++) {
     96 		for (i = 0; i < sblock.e2fs.e2fs_ipg; i++, inumber++) {
     97 			if ((inumber < EXT2_FIRSTINO) && (inumber != EXT2_ROOTINO))
     98 				continue;
     99 			dp = ginode(inumber);
    100 			if (dp == NULL)
    101 				continue;
    102 			idesc.id_number = inumber;
    103 			if (statemap[inumber] != USTATE &&
    104 			    (ckinode(dp, &idesc) & STOP))
    105 				return;
    106 		}
    107 	}
    108 }
    109 
    110 static int
    111 pass1bcheck(idesc)
    112 	struct inodesc *idesc;
    113 {
    114 	struct dups *dlp;
    115 	int nfrags, res = KEEPON;
    116 	daddr_t blkno = idesc->id_blkno;
    117 
    118 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
    119 		if (chkrange(blkno, 1))
    120 			res = SKIP;
    121 		for (dlp = duphead; dlp; dlp = dlp->next) {
    122 			if (dlp->dup == blkno) {
    123 				blkerror(idesc->id_number, "DUP", blkno);
    124 				dlp->dup = duphead->dup;
    125 				duphead->dup = blkno;
    126 				duphead = duphead->next;
    127 			}
    128 			if (dlp == muldup)
    129 				break;
    130 		}
    131 		if (muldup == 0 || duphead == muldup->next)
    132 			return (STOP);
    133 	}
    134 	return (res);
    135 }
    136