1 /* $NetBSD: pass1b.c,v 1.2 1997/09/14 14:27:26 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Manuel Bouyer. 5 * Copyright (c) 1980, 1986, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #include <sys/cdefs.h> 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)pass1b.c 8.1 (Berkeley) 6/5/93"; 41 #else 42 __RCSID("$NetBSD: pass1b.c,v 1.2 1997/09/14 14:27:26 lukem Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 #include <sys/time.h> 48 #include <ufs/ext2fs/ext2fs_dinode.h> 49 #include <ufs/ext2fs/ext2fs.h> 50 51 #include <string.h> 52 #include "fsck.h" 53 #include "extern.h" 54 55 static int pass1bcheck __P((struct inodesc *)); 56 static struct dups *duphead; 57 58 void 59 pass1b() 60 { 61 int c, i; 62 struct ext2fs_dinode *dp; 63 struct inodesc idesc; 64 ino_t inumber; 65 66 memset(&idesc, 0, sizeof(struct inodesc)); 67 idesc.id_type = ADDR; 68 idesc.id_func = pass1bcheck; 69 duphead = duplist; 70 inumber = 0; 71 for (c = 0; c < sblock.e2fs_ncg; c++) { 72 for (i = 0; i < sblock.e2fs.e2fs_ipg; i++, inumber++) { 73 if ((inumber < EXT2_FIRSTINO) && (inumber != EXT2_ROOTINO)) 74 continue; 75 dp = ginode(inumber); 76 if (dp == NULL) 77 continue; 78 idesc.id_number = inumber; 79 if (statemap[inumber] != USTATE && 80 (ckinode(dp, &idesc) & STOP)) 81 return; 82 } 83 } 84 } 85 86 static int 87 pass1bcheck(idesc) 88 struct inodesc *idesc; 89 { 90 struct dups *dlp; 91 int nfrags, res = KEEPON; 92 daddr_t blkno = idesc->id_blkno; 93 94 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 95 if (chkrange(blkno, 1)) 96 res = SKIP; 97 for (dlp = duphead; dlp; dlp = dlp->next) { 98 if (dlp->dup == blkno) { 99 blkerror(idesc->id_number, "DUP", blkno); 100 dlp->dup = duphead->dup; 101 duphead->dup = blkno; 102 duphead = duphead->next; 103 } 104 if (dlp == muldup) 105 break; 106 } 107 if (muldup == 0 || duphead == muldup->next) 108 return (STOP); 109 } 110 return (res); 111 } 112