pass3.c revision 74556
114968Swosch/* 21845Swollman * Copyright (c) 1980, 1986, 1993 314968Swosch * The Regents of the University of California. All rights reserved. 414968Swosch * 514968Swosch * Redistribution and use in source and binary forms, with or without 614968Swosch * modification, are permitted provided that the following conditions 71845Swollman * are met: 81845Swollman * 1. Redistributions of source code must retain the above copyright 914968Swosch * notice, this list of conditions and the following disclaimer. 1014573Swosch * 2. Redistributions in binary form must reproduce the above copyright 1114573Swosch * notice, this list of conditions and the following disclaimer in the 1214573Swosch * documentation and/or other materials provided with the distribution. 1314968Swosch * 3. All advertising materials mentioning features or use of this software 1414573Swosch * must display the following acknowledgement: 1514573Swosch * This product includes software developed by the University of 1614573Swosch * California, Berkeley and its contributors. 1714573Swosch * 4. Neither the name of the University nor the names of its contributors 1814968Swosch * may be used to endorse or promote products derived from this software 1914968Swosch * without specific prior written permission. 2014968Swosch * 2114573Swosch * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2214781Swosch * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2314968Swosch * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2414968Swosch * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2514968Swosch * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2614968Swosch * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2714968Swosch * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2814968Swosch * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2914968Swosch * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3014968Swosch * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3114968Swosch * SUCH DAMAGE. 3214968Swosch */ 3314968Swosch 3414968Swosch#ifndef lint 3514968Swosch#if 0 3614968Swoschstatic const char sccsid[] = "@(#)pass3.c 8.2 (Berkeley) 4/27/95"; 3714968Swosch#endif 3814968Swoschstatic const char rcsid[] = 3914968Swosch "$FreeBSD: head/sbin/fsck_ffs/pass3.c 74556 2001-03-21 09:48:03Z mckusick $"; 4014968Swosch#endif /* not lint */ 4114968Swosch 4214968Swosch#include <sys/param.h> 4314968Swosch 4414968Swosch#include <ufs/ufs/dinode.h> 4514968Swosch#include <ufs/ufs/dir.h> 4614968Swosch#include <ufs/ffs/fs.h> 4714968Swosch 4814968Swosch#include <string.h> 4914968Swosch 5014968Swosch#include "fsck.h" 5114968Swosch 5214968Swoschvoid 5314968Swoschpass3() 5414968Swosch{ 5514968Swosch struct inoinfo *inp; 5614968Swosch int loopcnt, inpindex, state; 5714968Swosch ino_t orphan; 5814968Swosch struct inodesc idesc; 5914968Swosch char namebuf[MAXNAMLEN+1]; 60 61 for (inpindex = inplast - 1; inpindex >= 0; inpindex--) { 62 if (got_siginfo) { 63 printf("%s: phase 3: dir %d of %d (%d%%)\n", cdevname, 64 inplast - inpindex - 1, inplast, 65 (inplast - inpindex - 1) * 100 / inplast); 66 got_siginfo = 0; 67 } 68 inp = inpsort[inpindex]; 69 state = inoinfo(inp->i_number)->ino_state; 70 if (inp->i_number == ROOTINO || 71 (inp->i_parent != 0 && state != DSTATE)) 72 continue; 73 if (state == DCLEAR) 74 continue; 75 /* 76 * If we are running with soft updates and we come 77 * across unreferenced directories, we just leave 78 * them in DSTATE which will cause them to be pitched 79 * in pass 4. 80 */ 81 if ((preen || bkgrdflag) && 82 resolved && usedsoftdep && state == DSTATE) { 83 if (inp->i_dotdot >= ROOTINO) 84 inoinfo(inp->i_dotdot)->ino_linkcnt++; 85 continue; 86 } 87 for (loopcnt = 0; ; loopcnt++) { 88 orphan = inp->i_number; 89 if (inp->i_parent == 0 || 90 inoinfo(inp->i_parent)->ino_state != DSTATE || 91 loopcnt > countdirs) 92 break; 93 inp = getinoinfo(inp->i_parent); 94 } 95 if (loopcnt <= countdirs) { 96 if (linkup(orphan, inp->i_dotdot, NULL)) { 97 inp->i_parent = inp->i_dotdot = lfdir; 98 inoinfo(lfdir)->ino_linkcnt--; 99 } 100 inoinfo(orphan)->ino_state = DFOUND; 101 propagate(); 102 continue; 103 } 104 pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu", orphan); 105 if (reply("RECONNECT") == 0) 106 continue; 107 memset(&idesc, 0, sizeof(struct inodesc)); 108 idesc.id_type = DATA; 109 idesc.id_number = inp->i_parent; 110 idesc.id_parent = orphan; 111 idesc.id_func = findname; 112 idesc.id_name = namebuf; 113 if ((ckinode(ginode(inp->i_parent), &idesc) & FOUND) == 0) 114 pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY"); 115 if (linkup(orphan, inp->i_parent, namebuf)) { 116 idesc.id_func = clearentry; 117 if (ckinode(ginode(inp->i_parent), &idesc) & FOUND) 118 inoinfo(orphan)->ino_linkcnt++; 119 inp->i_parent = inp->i_dotdot = lfdir; 120 inoinfo(lfdir)->ino_linkcnt--; 121 } 122 inoinfo(orphan)->ino_state = DFOUND; 123 propagate(); 124 } 125} 126