1 /* $NetBSD: pass3.c,v 1.21 2013/01/22 09:39:12 dholland 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 1.21 2013/01/22 09:39:12 dholland 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 union dinode *dp; 63 64 for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) { 65 int inpindex = inpp - inpsort; 66 if (got_siginfo) { 67 fprintf(stderr, 68 "%s: phase 3: dir %d of %d (%d%%)\n", cdevname(), 69 (int)(inplast - inpindex - 1), (int)inplast, 70 (int)((inplast - inpindex - 1) * 100 / inplast)); 71 got_siginfo = 0; 72 } 73 #ifdef PROGRESS 74 progress_bar(cdevname(), preen ? NULL : "phase 3", 75 inplast - inpindex - 1, inplast); 76 #endif /* PROGRESS */ 77 inp = *inpp; 78 state = inoinfo(inp->i_number)->ino_state; 79 if (inp->i_number == UFS_ROOTINO || 80 (inp->i_parent != 0 && state != DSTATE)) 81 continue; 82 if (state == DCLEAR) 83 continue; 84 /* 85 * If we are running with soft updates and we come 86 * across unreferenced directories, we just leave 87 * them in DSTATE which will cause them to be pitched 88 * in pass 4. 89 */ 90 if (preen && 91 resolved && usedsoftdep && state == DSTATE) { 92 if (inp->i_dotdot >= UFS_ROOTINO) 93 inoinfo(inp->i_dotdot)->ino_linkcnt++; 94 continue; 95 } 96 for (loopcnt = 0; ; loopcnt++) { 97 orphan = inp->i_number; 98 if (inp->i_parent == 0 || 99 inoinfo(inp->i_parent)->ino_state != DSTATE || 100 loopcnt > countdirs) 101 break; 102 inp = getinoinfo(inp->i_parent); 103 } 104 if (loopcnt <= countdirs) { 105 if (linkup(orphan, inp->i_dotdot, NULL)) 106 inoinfo(lfdir)->ino_linkcnt--; 107 continue; 108 } 109 pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu", 110 (u_long)orphan); 111 if (reply("RECONNECT") == 0) 112 continue; 113 dp = ginode(inp->i_parent); 114 memset(&idesc, 0, sizeof(struct inodesc)); 115 idesc.id_type = DATA; 116 idesc.id_number = inp->i_parent; 117 idesc.id_parent = orphan; 118 idesc.id_func = findname; 119 idesc.id_name = namebuf; 120 idesc.id_uid = iswap32(DIP(dp, uid)); 121 idesc.id_gid = iswap32(DIP(dp, gid)); 122 if ((ckinode(dp, &idesc) & FOUND) == 0) 123 pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY"); 124 if (linkup(orphan, inp->i_parent, namebuf)) { 125 idesc.id_func = clearentry; 126 if (ckinode(ginode(inp->i_parent), &idesc) & FOUND) 127 inoinfo(orphan)->ino_linkcnt++; 128 inoinfo(lfdir)->ino_linkcnt--; 129 } 130 } 131 #ifdef PROGRESS 132 if (!preen) 133 progress_done(); 134 #endif /* PROGRESS */ 135 } 136