pass3.c revision 41474
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 3523675Speterstatic const char sccsid[] = "@(#)pass3.c 8.2 (Berkeley) 4/27/95"; 361558Srgrimes#endif /* not lint */ 371558Srgrimes 381558Srgrimes#include <sys/param.h> 3941474Sjulian#include <sys/time.h> 4023675Speter 411558Srgrimes#include <ufs/ufs/dinode.h> 4241474Sjulian#include <ufs/ufs/dir.h> 4341474Sjulian#include <ufs/ffs/fs.h> 4423675Speter 4541474Sjulian#include <string.h> 4641474Sjulian 471558Srgrimes#include "fsck.h" 481558Srgrimes 497585Sbdevoid 501558Srgrimespass3() 511558Srgrimes{ 5241474Sjulian struct inoinfo *inp; 5341474Sjulian int loopcnt, inpindex, state; 541558Srgrimes ino_t orphan; 5541474Sjulian struct inodesc idesc; 5641474Sjulian char namebuf[MAXNAMLEN+1]; 571558Srgrimes 5841474Sjulian for (inpindex = inplast - 1; inpindex >= 0; inpindex--) { 5941474Sjulian inp = inpsort[inpindex]; 6041474Sjulian state = inoinfo(inp->i_number)->ino_state; 611558Srgrimes if (inp->i_number == ROOTINO || 6241474Sjulian (inp->i_parent != 0 && state != DSTATE)) 631558Srgrimes continue; 6441474Sjulian if (state == DCLEAR) 651558Srgrimes continue; 6641474Sjulian /* 6741474Sjulian * If we are running with soft updates and we come 6841474Sjulian * across unreferenced directories, we just leave 6941474Sjulian * them in DSTATE which will cause them to be pitched 7041474Sjulian * in pass 4. 7141474Sjulian */ 7241474Sjulian if (preen && resolved && usedsoftdep && state == DSTATE) { 7341474Sjulian if (inp->i_dotdot >= ROOTINO) 7441474Sjulian inoinfo(inp->i_dotdot)->ino_linkcnt++; 7541474Sjulian continue; 7641474Sjulian } 771558Srgrimes for (loopcnt = 0; ; loopcnt++) { 781558Srgrimes orphan = inp->i_number; 791558Srgrimes if (inp->i_parent == 0 || 8041474Sjulian inoinfo(inp->i_parent)->ino_state != DSTATE || 8141474Sjulian loopcnt > countdirs) 821558Srgrimes break; 831558Srgrimes inp = getinoinfo(inp->i_parent); 841558Srgrimes } 8541474Sjulian if (loopcnt <= countdirs) { 8641474Sjulian if (linkup(orphan, inp->i_dotdot, NULL)) { 8741474Sjulian inp->i_parent = inp->i_dotdot = lfdir; 8841474Sjulian inoinfo(lfdir)->ino_linkcnt--; 8941474Sjulian } 9041474Sjulian inoinfo(orphan)->ino_state = DFOUND; 9141474Sjulian propagate(); 9241474Sjulian continue; 9341474Sjulian } 9441474Sjulian pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu", orphan); 9541474Sjulian if (reply("RECONNECT") == 0) 9641474Sjulian continue; 9741474Sjulian memset(&idesc, 0, sizeof(struct inodesc)); 9841474Sjulian idesc.id_type = DATA; 9941474Sjulian idesc.id_number = inp->i_parent; 10041474Sjulian idesc.id_parent = orphan; 10141474Sjulian idesc.id_func = findname; 10241474Sjulian idesc.id_name = namebuf; 10341474Sjulian if ((ckinode(ginode(inp->i_parent), &idesc) & FOUND) == 0) 10441474Sjulian pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY"); 10541474Sjulian if (linkup(orphan, inp->i_parent, namebuf)) { 10641474Sjulian idesc.id_func = clearentry; 10741474Sjulian if (ckinode(ginode(inp->i_parent), &idesc) & FOUND) 10841474Sjulian inoinfo(orphan)->ino_linkcnt++; 10941474Sjulian inp->i_parent = inp->i_dotdot = lfdir; 11041474Sjulian inoinfo(lfdir)->ino_linkcnt--; 11141474Sjulian } 11241474Sjulian inoinfo(orphan)->ino_state = DFOUND; 1131558Srgrimes propagate(); 1141558Srgrimes } 1151558Srgrimes} 116