1 /* $NetBSD: pass3.c,v 1.16 2003/08/07 10:04:21 agc Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1986, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)pass3.c 8.2 (Berkeley) 4/27/95"; 36 #else 37 __RCSID("$NetBSD: pass3.c,v 1.16 2003/08/07 10:04:21 agc Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <sys/param.h> 42 #include <sys/time.h> 43 #include <string.h> 44 45 #include <ufs/ufs/dinode.h> 46 #include <ufs/ffs/fs.h> 47 48 #include <dirent.h> 49 50 #include "fsck.h" 51 #include "extern.h" 52 #include "fsutil.h" 53 54 void 55 pass3(void) 56 { 57 struct inoinfo *inp, **inpp; 58 int loopcnt, state; 59 ino_t orphan; 60 struct inodesc idesc; 61 char namebuf[MAXNAMLEN+1]; 62 63 for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) { 64 if (got_siginfo) { 65 int inpindex = inpp - inpsort; 66 fprintf(stderr, 67 "%s: phase 3: dir %d of %d (%d%%)\n", cdevname(), 68 (int)(inplast - inpindex - 1), (int)inplast, 69 (int)((inplast - inpindex - 1) * 100 / inplast)); 70 got_siginfo = 0; 71 } 72 inp = *inpp; 73 state = inoinfo(inp->i_number)->ino_state; 74 if (inp->i_number == ROOTINO || 75 (inp->i_parent != 0 && state != DSTATE)) 76 continue; 77 if (state == DCLEAR) 78 continue; 79 /* 80 * If we are running with soft updates and we come 81 * across unreferenced directories, we just leave 82 * them in DSTATE which will cause them to be pitched 83 * in pass 4. 84 */ 85 if (preen && 86 resolved && usedsoftdep && state == DSTATE) { 87 if (inp->i_dotdot >= ROOTINO) 88 inoinfo(inp->i_dotdot)->ino_linkcnt++; 89 continue; 90 } 91 for (loopcnt = 0; ; loopcnt++) { 92 orphan = inp->i_number; 93 if (inp->i_parent == 0 || 94 inoinfo(inp->i_parent)->ino_state != DSTATE || 95 loopcnt > countdirs) 96 break; 97 inp = getinoinfo(inp->i_parent); 98 } 99 if (loopcnt <= countdirs) { 100 if (linkup(orphan, inp->i_dotdot, NULL)) 101 inoinfo(lfdir)->ino_linkcnt--; 102 continue; 103 } 104 pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu", 105 (u_long)orphan); 106 if (reply("RECONNECT") == 0) 107 continue; 108 memset(&idesc, 0, sizeof(struct inodesc)); 109 idesc.id_type = DATA; 110 idesc.id_number = inp->i_parent; 111 idesc.id_parent = orphan; 112 idesc.id_func = findname; 113 idesc.id_name = namebuf; 114 if ((ckinode(ginode(inp->i_parent), &idesc) & FOUND) == 0) 115 pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY"); 116 if (linkup(orphan, inp->i_parent, namebuf)) { 117 idesc.id_func = clearentry; 118 if (ckinode(ginode(inp->i_parent), &idesc) & FOUND) 119 inoinfo(orphan)->ino_linkcnt++; 120 inoinfo(lfdir)->ino_linkcnt--; 121 } 122 } 123 } 124