1 /* 2 * Copyright (c) 1980, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if 0 31 #ifndef lint 32 static const char sccsid[] = "@(#)pass3.c 8.2 (Berkeley) 4/27/95"; 33 #endif /* not lint */ 34 #endif 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <sys/param.h> 39 40 #include <ufs/ufs/dinode.h> 41 #include <ufs/ufs/dir.h> 42 #include <ufs/ffs/fs.h> 43 44 #include <string.h> 45 46 #include "fsck.h" 47 48 void 49 pass3(void) 50 { 51 struct inoinfo *inp; 52 int loopcnt, inpindex, state; 53 ino_t orphan; 54 struct inodesc idesc; 55 char namebuf[MAXNAMLEN+1]; 56 57 for (inpindex = inplast - 1; inpindex >= 0; inpindex--) { 58 if (got_siginfo) { 59 printf("%s: phase 3: dir %d of %d (%d%%)\n", cdevname, 60 (int)(inplast - inpindex - 1), (int)inplast, 61 (int)((inplast - inpindex - 1) * 100 / inplast)); 62 got_siginfo = 0; 63 } 64 if (got_sigalarm) { 65 setproctitle("%s p3 %d%%", cdevname, 66 (int)((inplast - inpindex - 1) * 100 / inplast)); 67 got_sigalarm = 0; 68 } 69 inp = inpsort[inpindex]; 70 state = inoinfo(inp->i_number)->ino_state; 71 if (inp->i_number == ROOTINO || 72 (inp->i_parent != 0 && !S_IS_DUNFOUND(state))) 73 continue; 74 if (state == DCLEAR) 75 continue; 76 /* 77 * If we are running with soft updates and we come 78 * across unreferenced directories, we just leave 79 * them in DSTATE which will cause them to be pitched 80 * in pass 4. 81 */ 82 if ((preen || bkgrdflag) && 83 resolved && usedsoftdep && S_IS_DUNFOUND(state)) { 84 if (inp->i_dotdot >= ROOTINO) 85 inoinfo(inp->i_dotdot)->ino_linkcnt++; 86 continue; 87 } 88 for (loopcnt = 0; ; loopcnt++) { 89 orphan = inp->i_number; 90 if (inp->i_parent == 0 || 91 !INO_IS_DUNFOUND(inp->i_parent) || 92 loopcnt > countdirs) 93 break; 94 inp = getinoinfo(inp->i_parent); 95 } 96 if (loopcnt <= countdirs) { 97 if (linkup(orphan, inp->i_dotdot, NULL)) { 98 inp->i_parent = inp->i_dotdot = lfdir; 99 inoinfo(lfdir)->ino_linkcnt--; 100 } 101 inoinfo(orphan)->ino_state = DFOUND; 102 propagate(); 103 continue; 104 } 105 pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu", 106 (u_long)orphan); 107 if (reply("RECONNECT") == 0) 108 continue; 109 memset(&idesc, 0, sizeof(struct inodesc)); 110 idesc.id_type = DATA; 111 idesc.id_number = inp->i_parent; 112 idesc.id_parent = orphan; 113 idesc.id_func = findname; 114 idesc.id_name = namebuf; 115 if ((ckinode(ginode(inp->i_parent), &idesc) & FOUND) == 0) 116 pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY"); 117 if (linkup(orphan, inp->i_parent, namebuf)) { 118 idesc.id_func = clearentry; 119 if (ckinode(ginode(inp->i_parent), &idesc) & FOUND) 120 inoinfo(orphan)->ino_linkcnt++; 121 inp->i_parent = inp->i_dotdot = lfdir; 122 inoinfo(lfdir)->ino_linkcnt--; 123 } 124 inoinfo(orphan)->ino_state = DFOUND; 125 propagate(); 126 } 127 } 128