1/* $NetBSD: pass1b.c,v 1.7 2009/04/06 12:50:37 lukem 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 * 44 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 45 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 46 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 47 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 48 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 49 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 53 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 */ 55 56#include <sys/cdefs.h> 57#ifndef lint 58#if 0 59static char sccsid[] = "@(#)pass1b.c 8.1 (Berkeley) 6/5/93"; 60#else 61__RCSID("$NetBSD: pass1b.c,v 1.7 2009/04/06 12:50:37 lukem Exp $"); 62#endif 63#endif /* not lint */ 64 65#include <sys/param.h> 66#include <sys/time.h> 67#include <ufs/ext2fs/ext2fs_dinode.h> 68#include <ufs/ext2fs/ext2fs.h> 69 70#include <string.h> 71#include "fsck.h" 72#include "extern.h" 73 74static int pass1bcheck(struct inodesc *); 75static struct dups *duphead; 76 77void 78pass1b(void) 79{ 80 int c; 81 uint32_t i; 82 struct ext2fs_dinode *dp; 83 struct inodesc idesc; 84 ino_t inumber; 85 86 memset(&idesc, 0, sizeof(struct inodesc)); 87 idesc.id_type = ADDR; 88 idesc.id_func = pass1bcheck; 89 duphead = duplist; 90 inumber = 0; 91 for (c = 0; c < sblock.e2fs_ncg; c++) { 92 for (i = 0; i < sblock.e2fs.e2fs_ipg; i++, inumber++) { 93 if ((inumber < EXT2_FIRSTINO) && (inumber != EXT2_ROOTINO)) 94 continue; 95 dp = ginode(inumber); 96 if (dp == NULL) 97 continue; 98 idesc.id_number = inumber; 99 if (statemap[inumber] != USTATE && 100 (ckinode(dp, &idesc) & STOP)) 101 return; 102 } 103 } 104} 105 106static int 107pass1bcheck(struct inodesc *idesc) 108{ 109 struct dups *dlp; 110 int nfrags, res = KEEPON; 111 daddr_t blkno = idesc->id_blkno; 112 113 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 114 if (chkrange(blkno, 1)) 115 res = SKIP; 116 for (dlp = duphead; dlp; dlp = dlp->next) { 117 if (dlp->dup == blkno) { 118 blkerror(idesc->id_number, "DUP", blkno); 119 dlp->dup = duphead->dup; 120 duphead->dup = blkno; 121 duphead = duphead->next; 122 } 123 if (dlp == muldup) 124 break; 125 } 126 if (muldup == 0 || duphead == muldup->next) 127 return (STOP); 128 } 129 return (res); 130} 131