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 inode ip; 57 struct inodesc idesc; 58 char namebuf[UFS_MAXNAMLEN+1]; 59 60 for (inpindex = inplast - 1; inpindex >= 0; inpindex--) { 61 if (got_siginfo) { 62 printf("%s: phase 3: dir %d of %d (%d%%)\n", cdevname, 63 (int)(inplast - inpindex - 1), (int)inplast, 64 (int)((inplast - inpindex - 1) * 100 / inplast)); 65 got_siginfo = 0; 66 } 67 if (got_sigalarm) { 68 setproctitle("%s p3 %d%%", cdevname, 69 (int)((inplast - inpindex - 1) * 100 / inplast)); 70 got_sigalarm = 0; 71 } 72 inp = inpsort[inpindex]; 73 state = inoinfo(inp->i_number)->ino_state; 74 if (inp->i_number == UFS_ROOTINO || 75 (inp->i_parent != 0 && !S_IS_DUNFOUND(state))) 76 continue; 77 if (state == DCLEAR || state == DZLINK) 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 || bkgrdflag) && 86 resolved && usedsoftdep && S_IS_DUNFOUND(state)) { 87 if (inp->i_dotdot >= UFS_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 !INO_IS_DUNFOUND(inp->i_parent) || 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 inp->i_parent = inp->i_dotdot = lfdir; 102 inoinfo(lfdir)->ino_linkcnt--; 103 } 104 inoinfo(orphan)->ino_state = DFOUND; 105 check_dirdepth(inp); 106 propagate(); 107 continue; 108 } 109 pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu", 110 (u_long)orphan); 111 if (reply("RECONNECT") == 0) 112 continue; 113 memset(&idesc, 0, sizeof(struct inodesc)); 114 idesc.id_type = DATA; 115 idesc.id_number = inp->i_parent; 116 idesc.id_parent = orphan; 117 idesc.id_func = findname; 118 idesc.id_name = namebuf; 119 ginode(inp->i_parent, &ip); 120 if ((ckinode(ip.i_dp, &idesc) & FOUND) == 0) 121 pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY"); 122 if (linkup(orphan, inp->i_parent, namebuf)) { 123 idesc.id_func = clearentry; 124 if (ckinode(ip.i_dp, &idesc) & FOUND) 125 inoinfo(orphan)->ino_linkcnt++; 126 inp->i_parent = inp->i_dotdot = lfdir; 127 inoinfo(lfdir)->ino_linkcnt--; 128 } 129 irelse(&ip); 130 inoinfo(orphan)->ino_state = DFOUND; 131 check_dirdepth(inp); 132 propagate(); 133 } 134 } 135