1 /* $NetBSD: pass1b.c,v 1.13 1998/03/18 17:01:24 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)pass1b.c 8.4 (Berkeley) 4/28/95"; 40 #else 41 __RCSID("$NetBSD: pass1b.c,v 1.13 1998/03/18 17:01:24 bouyer Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/time.h> 47 48 #include <ufs/ufs/dinode.h> 49 #include <ufs/ffs/fs.h> 50 51 #include <string.h> 52 53 #include "fsck.h" 54 #include "extern.h" 55 56 static struct dups *duphead; 57 static int pass1bcheck __P((struct inodesc *)); 58 59 void 60 pass1b() 61 { 62 int c, i; 63 struct dinode *dp; 64 struct inodesc idesc; 65 ino_t inumber; 66 67 memset(&idesc, 0, sizeof(struct inodesc)); 68 idesc.id_type = ADDR; 69 idesc.id_func = pass1bcheck; 70 duphead = duplist; 71 inumber = 0; 72 for (c = 0; c < sblock->fs_ncg; c++) { 73 for (i = 0; i < sblock->fs_ipg; i++, inumber++) { 74 if (inumber < ROOTINO) 75 continue; 76 dp = ginode(inumber); 77 if (dp == NULL) 78 continue; 79 idesc.id_number = inumber; 80 if (statemap[inumber] != USTATE && 81 (ckinode(dp, &idesc) & STOP)) 82 return; 83 } 84 } 85 } 86 87 static int 88 pass1bcheck(idesc) 89 struct inodesc *idesc; 90 { 91 struct dups *dlp; 92 int nfrags, res = KEEPON; 93 ufs_daddr_t blkno = idesc->id_blkno; 94 95 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 96 if (chkrange(blkno, 1)) 97 res = SKIP; 98 for (dlp = duphead; dlp; dlp = dlp->next) { 99 if (dlp->dup == blkno) { 100 blkerror(idesc->id_number, "DUP", blkno); 101 dlp->dup = duphead->dup; 102 duphead->dup = blkno; 103 duphead = duphead->next; 104 } 105 if (dlp == muldup) 106 break; 107 } 108 if (muldup == 0 || duphead == muldup->next) 109 return (STOP); 110 } 111 return (res); 112 } 113