pass4.c revision 92839
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 3541477Sjulian#if 0 3623675Speterstatic const char sccsid[] = "@(#)pass4.c 8.4 (Berkeley) 4/28/95"; 3741477Sjulian#endif 3841477Sjulianstatic const char rcsid[] = 3950476Speter "$FreeBSD: head/sbin/fsck_ffs/pass4.c 92839 2002-03-20 22:57:10Z imp $"; 401558Srgrimes#endif /* not lint */ 411558Srgrimes 421558Srgrimes#include <sys/param.h> 4323675Speter 441558Srgrimes#include <ufs/ufs/dinode.h> 4541474Sjulian#include <ufs/ffs/fs.h> 4623675Speter 4723675Speter#include <err.h> 481558Srgrimes#include <string.h> 4923675Speter 501558Srgrimes#include "fsck.h" 511558Srgrimes 527585Sbdevoid 5392839Simppass4(void) 541558Srgrimes{ 5592806Sobrien ino_t inumber; 5692806Sobrien struct zlncnt *zlnp; 571558Srgrimes struct dinode *dp; 581558Srgrimes struct inodesc idesc; 5941474Sjulian int i, n, cg; 601558Srgrimes 6123675Speter memset(&idesc, 0, sizeof(struct inodesc)); 621558Srgrimes idesc.id_type = ADDR; 631558Srgrimes idesc.id_func = pass4check; 6441474Sjulian for (cg = 0; cg < sblock.fs_ncg; cg++) { 6570050Siedowse if (got_siginfo) { 6670050Siedowse printf("%s: phase 4: cyl group %d of %d (%d%%)\n", 6770050Siedowse cdevname, cg, sblock.fs_ncg, 6870050Siedowse cg * 100 / sblock.fs_ncg); 6970050Siedowse got_siginfo = 0; 7070050Siedowse } 7141474Sjulian inumber = cg * sblock.fs_ipg; 7241474Sjulian for (i = 0; i < inostathead[cg].il_numalloced; i++, inumber++) { 7341474Sjulian if (inumber < ROOTINO) 7441474Sjulian continue; 7541474Sjulian idesc.id_number = inumber; 7641474Sjulian switch (inoinfo(inumber)->ino_state) { 771558Srgrimes 7841474Sjulian case FSTATE: 7941474Sjulian case DFOUND: 8041474Sjulian n = inoinfo(inumber)->ino_linkcnt; 8141474Sjulian if (n) { 8241474Sjulian adjust(&idesc, (short)n); 8341474Sjulian break; 8441474Sjulian } 8541474Sjulian for (zlnp = zlnhead; zlnp; zlnp = zlnp->next) { 861558Srgrimes if (zlnp->zlncnt == inumber) { 871558Srgrimes zlnp->zlncnt = zlnhead->zlncnt; 881558Srgrimes zlnp = zlnhead; 891558Srgrimes zlnhead = zlnhead->next; 901558Srgrimes free((char *)zlnp); 911558Srgrimes clri(&idesc, "UNREF", 1); 921558Srgrimes break; 931558Srgrimes } 9441474Sjulian } 9541474Sjulian break; 961558Srgrimes 9741474Sjulian case DSTATE: 9841474Sjulian clri(&idesc, "UNREF", 1); 9941474Sjulian break; 1001558Srgrimes 10141474Sjulian case DCLEAR: 10241474Sjulian dp = ginode(inumber); 10341474Sjulian if (dp->di_size == 0) { 10441474Sjulian clri(&idesc, "ZERO LENGTH", 1); 10541474Sjulian break; 10641474Sjulian } 10741474Sjulian /* fall through */ 10841474Sjulian case FCLEAR: 10941474Sjulian clri(&idesc, "BAD/DUP", 1); 1101558Srgrimes break; 1111558Srgrimes 11241474Sjulian case USTATE: 11341474Sjulian break; 1141558Srgrimes 11541474Sjulian default: 11641474Sjulian errx(EEXIT, "BAD STATE %d FOR INODE I=%d", 11741474Sjulian inoinfo(inumber)->ino_state, inumber); 11841474Sjulian } 1191558Srgrimes } 1201558Srgrimes } 1211558Srgrimes} 1221558Srgrimes 1237585Sbdeint 12492839Simppass4check(struct inodesc *idesc) 1251558Srgrimes{ 12692806Sobrien struct dups *dlp; 1271558Srgrimes int nfrags, res = KEEPON; 12823675Speter ufs_daddr_t blkno = idesc->id_blkno; 1291558Srgrimes 1301558Srgrimes for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 1311558Srgrimes if (chkrange(blkno, 1)) { 1321558Srgrimes res = SKIP; 1331558Srgrimes } else if (testbmap(blkno)) { 1341558Srgrimes for (dlp = duplist; dlp; dlp = dlp->next) { 1351558Srgrimes if (dlp->dup != blkno) 1361558Srgrimes continue; 1371558Srgrimes dlp->dup = duplist->dup; 1381558Srgrimes dlp = duplist; 1391558Srgrimes duplist = duplist->next; 1401558Srgrimes free((char *)dlp); 1411558Srgrimes break; 1421558Srgrimes } 1431558Srgrimes if (dlp == 0) { 1441558Srgrimes clrbmap(blkno); 1451558Srgrimes n_blks--; 1461558Srgrimes } 1471558Srgrimes } 1481558Srgrimes } 1491558Srgrimes return (res); 1501558Srgrimes} 151