1 /* $NetBSD: pass1b.c,v 1.1 1997/06/11 11:21:53 bouyer 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 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)pass1b.c 8.1 (Berkeley) 6/5/93"; 40 #else 41 static char rcsid[] = "$NetBSD: pass1b.c,v 1.1 1997/06/11 11:21:53 bouyer Exp $"; 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/time.h> 47 #include <ufs/ext2fs/ext2fs_dinode.h> 48 #include <ufs/ext2fs/ext2fs.h> 49 50 #include <string.h> 51 #include "fsck.h" 52 #include "extern.h" 53 54 static int pass1bcheck __P((struct inodesc *)); 55 static struct dups *duphead; 56 57 void 58 pass1b() 59 { 60 register int c, i; 61 register struct ext2fs_dinode *dp; 62 struct inodesc idesc; 63 ino_t inumber; 64 65 memset(&idesc, 0, sizeof(struct inodesc)); 66 idesc.id_type = ADDR; 67 idesc.id_func = pass1bcheck; 68 duphead = duplist; 69 inumber = 0; 70 for (c = 0; c < sblock.e2fs_ncg; c++) { 71 for (i = 0; i < sblock.e2fs.e2fs_ipg; i++, inumber++) { 72 if ((inumber < EXT2_FIRSTINO) && (inumber != EXT2_ROOTINO)) 73 continue; 74 dp = ginode(inumber); 75 if (dp == NULL) 76 continue; 77 idesc.id_number = inumber; 78 if (statemap[inumber] != USTATE && 79 (ckinode(dp, &idesc) & STOP)) 80 return; 81 } 82 } 83 } 84 85 static int 86 pass1bcheck(idesc) 87 register struct inodesc *idesc; 88 { 89 register struct dups *dlp; 90 int nfrags, res = KEEPON; 91 daddr_t blkno = idesc->id_blkno; 92 93 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 94 if (chkrange(blkno, 1)) 95 res = SKIP; 96 for (dlp = duphead; dlp; dlp = dlp->next) { 97 if (dlp->dup == blkno) { 98 blkerror(idesc->id_number, "DUP", blkno); 99 dlp->dup = duphead->dup; 100 duphead->dup = blkno; 101 duphead = duphead->next; 102 } 103 if (dlp == muldup) 104 break; 105 } 106 if (muldup == 0 || duphead == muldup->next) 107 return (STOP); 108 } 109 return (res); 110 } 111