1 /* 2 * Copyright (c) 1980, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)pass1b.c 8.4 (Berkeley) 4/28/95 30 * $FreeBSD: src/sbin/fsck/pass1b.c,v 1.7.2.1 2001/01/23 23:11:07 iedowse Exp $ 31 * $DragonFly: src/sbin/fsck/pass1b.c,v 1.8 2006/10/12 04:04:03 dillon Exp $ 32 */ 33 34 #include <sys/param.h> 35 36 #include <vfs/ufs/dinode.h> 37 #include <vfs/ufs/fs.h> 38 39 #include <string.h> 40 41 #include "fsck.h" 42 43 static struct dups *duphead; 44 static int pass1bcheck(struct inodesc *); 45 46 void 47 pass1b(void) 48 { 49 int c, i; 50 struct ufs1_dinode *dp; 51 struct inodesc idesc; 52 ufs1_ino_t inumber; 53 54 memset(&idesc, 0, sizeof(struct inodesc)); 55 idesc.id_type = ADDR; 56 idesc.id_func = pass1bcheck; 57 duphead = duplist; 58 inumber = 0; 59 for (c = 0; c < sblock.fs_ncg; c++) { 60 if (got_siginfo) { 61 printf("%s: phase 1b: cyl group %d of %d (%d%%)\n", 62 cdevname, c, sblock.fs_ncg, 63 c * 100 / sblock.fs_ncg); 64 got_siginfo = 0; 65 } 66 for (i = 0; i < sblock.fs_ipg; i++, inumber++) { 67 if (inumber < ROOTINO) 68 continue; 69 dp = ginode(inumber); 70 if (dp == NULL) 71 continue; 72 idesc.id_number = inumber; 73 if (inoinfo(inumber)->ino_state != USTATE && 74 (ckinode(dp, &idesc) & STOP)) 75 return; 76 } 77 } 78 } 79 80 static int 81 pass1bcheck(struct inodesc *idesc) 82 { 83 struct dups *dlp; 84 int nfrags, res = KEEPON; 85 ufs_daddr_t blkno = idesc->id_blkno; 86 87 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 88 if (chkrange(blkno, 1)) 89 res = SKIP; 90 for (dlp = duphead; dlp; dlp = dlp->next) { 91 if (dlp->dup == blkno) { 92 blkerror(idesc->id_number, "DUP", blkno); 93 dlp->dup = duphead->dup; 94 duphead->dup = blkno; 95 duphead = duphead->next; 96 } 97 if (dlp == muldup) 98 break; 99 } 100 if (muldup == 0 || duphead == muldup->next) 101 return (STOP); 102 } 103 return (res); 104 } 105