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