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[] = "@(#)pass1b.c 8.4 (Berkeley) 4/28/95";
35 #endif /* not lint */
36 #endif
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD: stable/12/sbin/fsck_ffs/pass1b.c 326025 2017-11-20 19:49:47Z pfg $");
39
40 #include <sys/param.h>
41
42 #include <ufs/ufs/dinode.h>
43 #include <ufs/ffs/fs.h>
44
45 #include <string.h>
46
47 #include "fsck.h"
48
49 static struct dups *duphead;
50 static int pass1bcheck(struct inodesc *);
51
52 void
pass1b(void)53 pass1b(void)
54 {
55 int c, i;
56 union dinode *dp;
57 struct inodesc idesc;
58 ino_t inumber;
59
60 memset(&idesc, 0, sizeof(struct inodesc));
61 idesc.id_type = ADDR;
62 idesc.id_func = pass1bcheck;
63 duphead = duplist;
64 inumber = 0;
65 for (c = 0; c < sblock.fs_ncg; c++) {
66 if (got_siginfo) {
67 printf("%s: phase 1b: cyl group %d of %d (%d%%)\n",
68 cdevname, c, sblock.fs_ncg,
69 c * 100 / sblock.fs_ncg);
70 got_siginfo = 0;
71 }
72 if (got_sigalarm) {
73 setproctitle("%s p1b %d%%", cdevname,
74 c * 100 / sblock.fs_ncg);
75 got_sigalarm = 0;
76 }
77 for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
78 if (inumber < UFS_ROOTINO)
79 continue;
80 dp = ginode(inumber);
81 if (dp == NULL)
82 continue;
83 idesc.id_number = inumber;
84 if (inoinfo(inumber)->ino_state != USTATE &&
85 (ckinode(dp, &idesc) & STOP)) {
86 rerun = 1;
87 return;
88 }
89 }
90 }
91 }
92
93 static int
pass1bcheck(struct inodesc * idesc)94 pass1bcheck(struct inodesc *idesc)
95 {
96 struct dups *dlp;
97 int nfrags, res = KEEPON;
98 ufs2_daddr_t blkno = idesc->id_blkno;
99
100 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
101 if (chkrange(blkno, 1))
102 res = SKIP;
103 for (dlp = duphead; dlp; dlp = dlp->next) {
104 if (dlp->dup == blkno) {
105 blkerror(idesc->id_number, "DUP", blkno);
106 dlp->dup = duphead->dup;
107 duphead->dup = blkno;
108 duphead = duphead->next;
109 }
110 if (dlp == muldup)
111 break;
112 }
113 if (muldup == NULL || duphead == muldup->next) {
114 rerun = 1;
115 return (STOP);
116 }
117 }
118 return (res);
119 }
120