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[] = "@(#)pass4.c 8.4 (Berkeley) 4/28/95"; 35 #endif /* not lint */ 36 #endif 37 #include <sys/cdefs.h> 38 #include <sys/param.h> 39 #include <sys/stat.h> 40 41 #include <ufs/ufs/dinode.h> 42 #include <ufs/ffs/fs.h> 43 44 #include <err.h> 45 #include <stdint.h> 46 #include <string.h> 47 48 #include "fsck.h" 49 50 void 51 pass4(void) 52 { 53 ino_t inumber; 54 struct inode ip; 55 struct inodesc idesc; 56 int i, n, cg; 57 58 memset(&idesc, 0, sizeof(struct inodesc)); 59 idesc.id_func = freeblock; 60 for (cg = 0; cg < sblock.fs_ncg; cg++) { 61 if (got_siginfo) { 62 printf("%s: phase 4: cyl group %d of %d (%d%%)\n", 63 cdevname, cg, sblock.fs_ncg, 64 cg * 100 / sblock.fs_ncg); 65 got_siginfo = 0; 66 } 67 if (got_sigalarm) { 68 setproctitle("%s p4 %d%%", cdevname, 69 cg * 100 / sblock.fs_ncg); 70 got_sigalarm = 0; 71 } 72 inumber = cg * sblock.fs_ipg; 73 for (i = 0; i < inostathead[cg].il_numalloced; i++, inumber++) { 74 if (inumber < UFS_ROOTINO) 75 continue; 76 idesc.id_number = inumber; 77 idesc.id_type = inoinfo(inumber)->ino_idtype; 78 switch (inoinfo(inumber)->ino_state) { 79 80 case FZLINK: 81 case DZLINK: 82 if (inoinfo(inumber)->ino_linkcnt == 0) { 83 clri(&idesc, "UNREF", 1); 84 break; 85 } 86 /* fall through */ 87 88 case FSTATE: 89 case DFOUND: 90 n = inoinfo(inumber)->ino_linkcnt; 91 if (n) { 92 adjust(&idesc, (short)n); 93 break; 94 } 95 break; 96 97 case DSTATE: 98 clri(&idesc, "UNREF", 1); 99 break; 100 101 case DCLEAR: 102 /* if on snapshot, already cleared */ 103 if (cursnapshot != 0) 104 break; 105 ginode(inumber, &ip); 106 if (DIP(ip.i_dp, di_size) == 0) { 107 clri(&idesc, "ZERO LENGTH", 1); 108 irelse(&ip); 109 break; 110 } 111 irelse(&ip); 112 /* fall through */ 113 case FCLEAR: 114 clri(&idesc, "BAD/DUP", 1); 115 break; 116 117 case USTATE: 118 break; 119 120 default: 121 errx(EEXIT, "BAD STATE %d FOR INODE I=%ju", 122 inoinfo(inumber)->ino_state, 123 (uintmax_t)inumber); 124 } 125 } 126 } 127 } 128