pass1b.c revision 1558
11558Srgrimes/* 21558Srgrimes * Copyright (c) 1980, 1986, 1993 31558Srgrimes * The Regents of the University of California. All rights reserved. 41558Srgrimes * 51558Srgrimes * Redistribution and use in source and binary forms, with or without 61558Srgrimes * modification, are permitted provided that the following conditions 71558Srgrimes * are met: 81558Srgrimes * 1. Redistributions of source code must retain the above copyright 91558Srgrimes * notice, this list of conditions and the following disclaimer. 101558Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111558Srgrimes * notice, this list of conditions and the following disclaimer in the 121558Srgrimes * documentation and/or other materials provided with the distribution. 131558Srgrimes * 3. All advertising materials mentioning features or use of this software 141558Srgrimes * must display the following acknowledgement: 151558Srgrimes * This product includes software developed by the University of 161558Srgrimes * California, Berkeley and its contributors. 171558Srgrimes * 4. Neither the name of the University nor the names of its contributors 181558Srgrimes * may be used to endorse or promote products derived from this software 191558Srgrimes * without specific prior written permission. 201558Srgrimes * 211558Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221558Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231558Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241558Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251558Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261558Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271558Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281558Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291558Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301558Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311558Srgrimes * SUCH DAMAGE. 321558Srgrimes */ 331558Srgrimes 341558Srgrimes#ifndef lint 351558Srgrimesstatic char sccsid[] = "@(#)pass1b.c 8.1 (Berkeley) 6/5/93"; 361558Srgrimes#endif /* not lint */ 371558Srgrimes 381558Srgrimes#include <sys/param.h> 391558Srgrimes#include <sys/time.h> 401558Srgrimes#include <ufs/ufs/dinode.h> 411558Srgrimes#include <ufs/ffs/fs.h> 421558Srgrimes#include <string.h> 431558Srgrimes#include "fsck.h" 441558Srgrimes 451558Srgrimesint pass1bcheck(); 461558Srgrimesstatic struct dups *duphead; 471558Srgrimes 481558Srgrimespass1b() 491558Srgrimes{ 501558Srgrimes register int c, i; 511558Srgrimes register struct dinode *dp; 521558Srgrimes struct inodesc idesc; 531558Srgrimes ino_t inumber; 541558Srgrimes 551558Srgrimes bzero((char *)&idesc, sizeof(struct inodesc)); 561558Srgrimes idesc.id_type = ADDR; 571558Srgrimes idesc.id_func = pass1bcheck; 581558Srgrimes duphead = duplist; 591558Srgrimes inumber = 0; 601558Srgrimes for (c = 0; c < sblock.fs_ncg; c++) { 611558Srgrimes for (i = 0; i < sblock.fs_ipg; i++, inumber++) { 621558Srgrimes if (inumber < ROOTINO) 631558Srgrimes continue; 641558Srgrimes dp = ginode(inumber); 651558Srgrimes if (dp == NULL) 661558Srgrimes continue; 671558Srgrimes idesc.id_number = inumber; 681558Srgrimes if (statemap[inumber] != USTATE && 691558Srgrimes (ckinode(dp, &idesc) & STOP)) 701558Srgrimes return; 711558Srgrimes } 721558Srgrimes } 731558Srgrimes} 741558Srgrimes 751558Srgrimespass1bcheck(idesc) 761558Srgrimes register struct inodesc *idesc; 771558Srgrimes{ 781558Srgrimes register struct dups *dlp; 791558Srgrimes int nfrags, res = KEEPON; 801558Srgrimes daddr_t blkno = idesc->id_blkno; 811558Srgrimes 821558Srgrimes for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 831558Srgrimes if (chkrange(blkno, 1)) 841558Srgrimes res = SKIP; 851558Srgrimes for (dlp = duphead; dlp; dlp = dlp->next) { 861558Srgrimes if (dlp->dup == blkno) { 871558Srgrimes blkerror(idesc->id_number, "DUP", blkno); 881558Srgrimes dlp->dup = duphead->dup; 891558Srgrimes duphead->dup = blkno; 901558Srgrimes duphead = duphead->next; 911558Srgrimes } 921558Srgrimes if (dlp == muldup) 931558Srgrimes break; 941558Srgrimes } 951558Srgrimes if (muldup == 0 || duphead == muldup->next) 961558Srgrimes return (STOP); 971558Srgrimes } 981558Srgrimes return (res); 991558Srgrimes} 100