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 #include <sys/stat.h> 34 35 #include <ufs/ufs/dinode.h> 36 #include <ufs/ffs/fs.h> 37 38 #include <err.h> 39 #include <stdint.h> 40 #include <string.h> 41 42 #include "fsck.h" 43 44 void 45 pass4(void) 46 { 47 ino_t inumber; 48 struct inode ip; 49 struct inodesc idesc; 50 int i, n, cg; 51 52 memset(&idesc, 0, sizeof(struct inodesc)); 53 idesc.id_func = freeblock; 54 for (cg = 0; cg < sblock.fs_ncg; cg++) { 55 if (got_siginfo) { 56 printf("%s: phase 4: cyl group %d of %d (%d%%)\n", 57 cdevname, cg, sblock.fs_ncg, 58 cg * 100 / sblock.fs_ncg); 59 got_siginfo = 0; 60 } 61 if (got_sigalarm) { 62 setproctitle("%s p4 %d%%", cdevname, 63 cg * 100 / sblock.fs_ncg); 64 got_sigalarm = 0; 65 } 66 inumber = cg * sblock.fs_ipg; 67 for (i = 0; i < inostathead[cg].il_numalloced; i++, inumber++) { 68 if (inumber < UFS_ROOTINO) 69 continue; 70 idesc.id_number = inumber; 71 idesc.id_type = inoinfo(inumber)->ino_idtype; 72 switch (inoinfo(inumber)->ino_state) { 73 74 case FZLINK: 75 case DZLINK: 76 if (inoinfo(inumber)->ino_linkcnt == 0) { 77 clri(&idesc, "UNREF", 1); 78 break; 79 } 80 /* fall through */ 81 82 case FSTATE: 83 case DFOUND: 84 n = inoinfo(inumber)->ino_linkcnt; 85 if (n) { 86 adjust(&idesc, (short)n); 87 break; 88 } 89 break; 90 91 case DSTATE: 92 clri(&idesc, "UNREF", 1); 93 break; 94 95 case DCLEAR: 96 /* if on snapshot, already cleared */ 97 if (cursnapshot != 0) 98 break; 99 ginode(inumber, &ip); 100 if (DIP(ip.i_dp, di_size) == 0) { 101 clri(&idesc, "ZERO LENGTH", 1); 102 irelse(&ip); 103 break; 104 } 105 irelse(&ip); 106 /* fall through */ 107 case FCLEAR: 108 clri(&idesc, "BAD/DUP", 1); 109 break; 110 111 case USTATE: 112 break; 113 114 default: 115 errx(EEXIT, "BAD STATE %d FOR INODE I=%ju", 116 inoinfo(inumber)->ino_state, 117 (uintmax_t)inumber); 118 } 119 } 120 } 121 } 122