1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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 #if 0 33 #ifndef lint 34 static const char sccsid[] = "@(#)pass3.c 8.2 (Berkeley) 4/27/95"; 35 #endif /* not lint */ 36 #endif 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 #include <sys/param.h> 41 42 #include <ufs/ufs/dinode.h> 43 #include <ufs/ufs/dir.h> 44 #include <ufs/ffs/fs.h> 45 46 #include <string.h> 47 48 #include "fsck.h" 49 50 void 51 pass3(void) 52 { 53 struct inoinfo *inp; 54 int loopcnt, inpindex, state; 55 ino_t orphan; 56 struct inodesc idesc; 57 char namebuf[UFS_MAXNAMLEN+1]; 58 59 for (inpindex = inplast - 1; inpindex >= 0; inpindex--) { 60 if (got_siginfo) { 61 printf("%s: phase 3: dir %d of %d (%d%%)\n", cdevname, 62 (int)(inplast - inpindex - 1), (int)inplast, 63 (int)((inplast - inpindex - 1) * 100 / inplast)); 64 got_siginfo = 0; 65 } 66 if (got_sigalarm) { 67 setproctitle("%s p3 %d%%", cdevname, 68 (int)((inplast - inpindex - 1) * 100 / inplast)); 69 got_sigalarm = 0; 70 } 71 inp = inpsort[inpindex]; 72 state = inoinfo(inp->i_number)->ino_state; 73 if (inp->i_number == UFS_ROOTINO || 74 (inp->i_parent != 0 && !S_IS_DUNFOUND(state))) 75 continue; 76 if (state == DCLEAR) 77 continue; 78 /* 79 * If we are running with soft updates and we come 80 * across unreferenced directories, we just leave 81 * them in DSTATE which will cause them to be pitched 82 * in pass 4. 83 */ 84 if ((preen || bkgrdflag) && 85 resolved && usedsoftdep && S_IS_DUNFOUND(state)) { 86 if (inp->i_dotdot >= UFS_ROOTINO) 87 inoinfo(inp->i_dotdot)->ino_linkcnt++; 88 continue; 89 } 90 for (loopcnt = 0; ; loopcnt++) { 91 orphan = inp->i_number; 92 if (inp->i_parent == 0 || 93 !INO_IS_DUNFOUND(inp->i_parent) || 94 loopcnt > countdirs) 95 break; 96 inp = getinoinfo(inp->i_parent); 97 } 98 if (loopcnt <= countdirs) { 99 if (linkup(orphan, inp->i_dotdot, NULL)) { 100 inp->i_parent = inp->i_dotdot = lfdir; 101 inoinfo(lfdir)->ino_linkcnt--; 102 } 103 inoinfo(orphan)->ino_state = DFOUND; 104 propagate(); 105 continue; 106 } 107 pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu", 108 (u_long)orphan); 109 if (reply("RECONNECT") == 0) 110 continue; 111 memset(&idesc, 0, sizeof(struct inodesc)); 112 idesc.id_type = DATA; 113 idesc.id_number = inp->i_parent; 114 idesc.id_parent = orphan; 115 idesc.id_func = findname; 116 idesc.id_name = namebuf; 117 if ((ckinode(ginode(inp->i_parent), &idesc) & FOUND) == 0) 118 pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY"); 119 if (linkup(orphan, inp->i_parent, namebuf)) { 120 idesc.id_func = clearentry; 121 if (ckinode(ginode(inp->i_parent), &idesc) & FOUND) 122 inoinfo(orphan)->ino_linkcnt++; 123 inp->i_parent = inp->i_dotdot = lfdir; 124 inoinfo(lfdir)->ino_linkcnt--; 125 } 126 inoinfo(orphan)->ino_state = DFOUND; 127 propagate(); 128 } 129 } 130