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 */ 32 33 #include <sys/param.h> 34 35 #include <vfs/ufs/dinode.h> 36 #include <vfs/ufs/fs.h> 37 38 #include <string.h> 39 40 #include "fsck.h" 41 42 static struct dups *duphead; 43 static int pass1bcheck(struct inodesc *); 44 45 void 46 pass1b(void) 47 { 48 int c, i; 49 struct ufs1_dinode *dp; 50 struct inodesc idesc; 51 ufs1_ino_t inumber; 52 53 memset(&idesc, 0, sizeof(struct inodesc)); 54 idesc.id_type = ADDR; 55 idesc.id_func = pass1bcheck; 56 duphead = duplist; 57 inumber = 0; 58 for (c = 0; c < sblock.fs_ncg; c++) { 59 if (got_siginfo) { 60 printf("%s: phase 1b: cyl group %d of %d (%d%%)\n", 61 cdevname, c, sblock.fs_ncg, 62 c * 100 / sblock.fs_ncg); 63 got_siginfo = 0; 64 } 65 for (i = 0; i < sblock.fs_ipg; i++, inumber++) { 66 if (inumber < UFS_ROOTINO) 67 continue; 68 dp = ginode(inumber); 69 if (dp == NULL) 70 continue; 71 idesc.id_number = inumber; 72 if (inoinfo(inumber)->ino_state != USTATE && 73 (ckinode(dp, &idesc) & STOP)) 74 return; 75 } 76 } 77 } 78 79 static int 80 pass1bcheck(struct inodesc *idesc) 81 { 82 struct dups *dlp; 83 int nfrags, res = KEEPON; 84 ufs_daddr_t blkno = idesc->id_blkno; 85 86 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 87 if (chkrange(blkno, 1)) 88 res = SKIP; 89 for (dlp = duphead; dlp; dlp = dlp->next) { 90 if (dlp->dup == blkno) { 91 blkerror(idesc->id_number, "DUP", blkno); 92 dlp->dup = duphead->dup; 93 duphead->dup = blkno; 94 duphead = duphead->next; 95 } 96 if (dlp == muldup) 97 break; 98 } 99 if (muldup == 0 || duphead == muldup->next) 100 return (STOP); 101 } 102 return (res); 103 } 104