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