pass3.c revision 114589
11556Srgrimes/* 21556Srgrimes * Copyright (c) 1980, 1986, 1993 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * Redistribution and use in source and binary forms, with or without 61556Srgrimes * modification, are permitted provided that the following conditions 71556Srgrimes * are met: 81556Srgrimes * 1. Redistributions of source code must retain the above copyright 91556Srgrimes * notice, this list of conditions and the following disclaimer. 101556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111556Srgrimes * notice, this list of conditions and the following disclaimer in the 121556Srgrimes * documentation and/or other materials provided with the distribution. 131556Srgrimes * 3. All advertising materials mentioning features or use of this software 141556Srgrimes * must display the following acknowledgement: 151556Srgrimes * This product includes software developed by the University of 161556Srgrimes * California, Berkeley and its contributors. 171556Srgrimes * 4. Neither the name of the University nor the names of its contributors 181556Srgrimes * may be used to endorse or promote products derived from this software 191556Srgrimes * without specific prior written permission. 201556Srgrimes * 211556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311556Srgrimes * SUCH DAMAGE. 321556Srgrimes */ 331556Srgrimes 341556Srgrimes#if 0 351556Srgrimes#ifndef lint 361556Srgrimesstatic const char sccsid[] = "@(#)pass3.c 8.2 (Berkeley) 4/27/95"; 371556Srgrimes#endif /* not lint */ 3836150Scharnier#endif 3936150Scharnier#include <sys/cdefs.h> 4036150Scharnier__FBSDID("$FreeBSD: head/sbin/fsck_ffs/pass3.c 114589 2003-05-03 18:41:59Z obrien $"); 4136150Scharnier 4236150Scharnier#include <sys/param.h> 431556Srgrimes 441556Srgrimes#include <ufs/ufs/dinode.h> 4517987Speter#include <ufs/ufs/dir.h> 4617987Speter#include <ufs/ffs/fs.h> 4717987Speter 4817987Speter#include <string.h> 4917987Speter 5017987Speter#include "fsck.h" 5117987Speter 5217987Spetervoid 5319281Sachepass3(void) 5417987Speter{ 551556Srgrimes struct inoinfo *inp; 561556Srgrimes int loopcnt, inpindex, state; 571556Srgrimes ino_t orphan; 581556Srgrimes struct inodesc idesc; 591556Srgrimes char namebuf[MAXNAMLEN+1]; 601556Srgrimes 611556Srgrimes for (inpindex = inplast - 1; inpindex >= 0; inpindex--) { 621556Srgrimes if (got_siginfo) { 631556Srgrimes printf("%s: phase 3: dir %d of %d (%d%%)\n", cdevname, 641556Srgrimes (int)(inplast - inpindex - 1), (int)inplast, 651556Srgrimes (int)((inplast - inpindex - 1) * 100 / inplast)); 661556Srgrimes got_siginfo = 0; 671556Srgrimes } 681556Srgrimes inp = inpsort[inpindex]; 691556Srgrimes state = inoinfo(inp->i_number)->ino_state; 701556Srgrimes if (inp->i_number == ROOTINO || 711556Srgrimes (inp->i_parent != 0 && state != DSTATE)) 721556Srgrimes continue; 731556Srgrimes if (state == DCLEAR) 741556Srgrimes continue; 7517987Speter /* 7617987Speter * If we are running with soft updates and we come 771556Srgrimes * across unreferenced directories, we just leave 781556Srgrimes * them in DSTATE which will cause them to be pitched 791556Srgrimes * in pass 4. 801556Srgrimes */ 811556Srgrimes if ((preen || bkgrdflag) && 821556Srgrimes resolved && usedsoftdep && state == DSTATE) { 831556Srgrimes if (inp->i_dotdot >= ROOTINO) 841556Srgrimes inoinfo(inp->i_dotdot)->ino_linkcnt++; 851556Srgrimes continue; 861556Srgrimes } 871556Srgrimes for (loopcnt = 0; ; loopcnt++) { 881556Srgrimes orphan = inp->i_number; 891556Srgrimes if (inp->i_parent == 0 || 901556Srgrimes inoinfo(inp->i_parent)->ino_state != DSTATE || 911556Srgrimes loopcnt > countdirs) 921556Srgrimes break; 931556Srgrimes inp = getinoinfo(inp->i_parent); 941556Srgrimes } 951556Srgrimes if (loopcnt <= countdirs) { 961556Srgrimes if (linkup(orphan, inp->i_dotdot, NULL)) { 9717987Speter inp->i_parent = inp->i_dotdot = lfdir; 9817987Speter inoinfo(lfdir)->ino_linkcnt--; 9917987Speter } 10020425Ssteve inoinfo(orphan)->ino_state = DFOUND; 10117987Speter propagate(); 10225233Ssteve continue; 10318202Speter } 10417987Speter pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu", 10517987Speter (u_long)orphan); 10617987Speter if (reply("RECONNECT") == 0) 10717987Speter continue; 10817987Speter memset(&idesc, 0, sizeof(struct inodesc)); 10917987Speter idesc.id_type = DATA; 11017987Speter idesc.id_number = inp->i_parent; 11117987Speter idesc.id_parent = orphan; 11217987Speter idesc.id_func = findname; 11319281Sache idesc.id_name = namebuf; 1141556Srgrimes if ((ckinode(ginode(inp->i_parent), &idesc) & FOUND) == 0) 11519281Sache pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY"); 11619281Sache if (linkup(orphan, inp->i_parent, namebuf)) { 11719281Sache idesc.id_func = clearentry; 11819281Sache if (ckinode(ginode(inp->i_parent), &idesc) & FOUND) 11919281Sache inoinfo(orphan)->ino_linkcnt++; 12019281Sache inp->i_parent = inp->i_dotdot = lfdir; 12119281Sache inoinfo(lfdir)->ino_linkcnt--; 12219281Sache } 12319281Sache inoinfo(orphan)->ino_state = DFOUND; 12419281Sache propagate(); 12519281Sache } 12619281Sache} 12719281Sache