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
pass4(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