1 /* $NetBSD: pass1b.c,v 1.4 2003/10/05 17:48:49 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 REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 */ 61 62 #include <sys/cdefs.h> 63 #ifndef lint 64 #if 0 65 static char sccsid[] = "@(#)pass1b.c 8.1 (Berkeley) 6/5/93"; 66 #else 67 __RCSID("$NetBSD: pass1b.c,v 1.4 2003/10/05 17:48:49 bouyer Exp $"); 68 #endif 69 #endif /* not lint */ 70 71 #include <sys/param.h> 72 #include <sys/time.h> 73 #include <ufs/ext2fs/ext2fs_dinode.h> 74 #include <ufs/ext2fs/ext2fs.h> 75 76 #include <string.h> 77 #include "fsck.h" 78 #include "extern.h" 79 80 static int pass1bcheck __P((struct inodesc *)); 81 static struct dups *duphead; 82 83 void 84 pass1b() 85 { 86 int c, i; 87 struct ext2fs_dinode *dp; 88 struct inodesc idesc; 89 ino_t inumber; 90 91 memset(&idesc, 0, sizeof(struct inodesc)); 92 idesc.id_type = ADDR; 93 idesc.id_func = pass1bcheck; 94 duphead = duplist; 95 inumber = 0; 96 for (c = 0; c < sblock.e2fs_ncg; c++) { 97 for (i = 0; i < sblock.e2fs.e2fs_ipg; i++, inumber++) { 98 if ((inumber < EXT2_FIRSTINO) && (inumber != EXT2_ROOTINO)) 99 continue; 100 dp = ginode(inumber); 101 if (dp == NULL) 102 continue; 103 idesc.id_number = inumber; 104 if (statemap[inumber] != USTATE && 105 (ckinode(dp, &idesc) & STOP)) 106 return; 107 } 108 } 109 } 110 111 static int 112 pass1bcheck(idesc) 113 struct inodesc *idesc; 114 { 115 struct dups *dlp; 116 int nfrags, res = KEEPON; 117 daddr_t blkno = idesc->id_blkno; 118 119 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 120 if (chkrange(blkno, 1)) 121 res = SKIP; 122 for (dlp = duphead; dlp; dlp = dlp->next) { 123 if (dlp->dup == blkno) { 124 blkerror(idesc->id_number, "DUP", blkno); 125 dlp->dup = duphead->dup; 126 duphead->dup = blkno; 127 duphead = duphead->next; 128 } 129 if (dlp == muldup) 130 break; 131 } 132 if (muldup == 0 || duphead == muldup->next) 133 return (STOP); 134 } 135 return (res); 136 } 137