1 /*
2 * Copyright (c) 1980, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)pass1b.c 8.4 (Berkeley) 4/28/95
30 * $FreeBSD: src/sbin/fsck/pass1b.c,v 1.7.2.1 2001/01/23 23:11:07 iedowse Exp $
31 */
32
33 #include <sys/param.h>
34
35 #include <vfs/ufs/dinode.h>
36 #include <vfs/ufs/fs.h>
37
38 #include <string.h>
39
40 #include "fsck.h"
41
42 static struct dups *duphead;
43 static int pass1bcheck(struct inodesc *);
44
45 void
pass1b(void)46 pass1b(void)
47 {
48 int c, i;
49 struct ufs1_dinode *dp;
50 struct inodesc idesc;
51 ufs1_ino_t inumber;
52
53 memset(&idesc, 0, sizeof(struct inodesc));
54 idesc.id_type = ADDR;
55 idesc.id_func = pass1bcheck;
56 duphead = duplist;
57 inumber = 0;
58 for (c = 0; c < sblock.fs_ncg; c++) {
59 if (got_siginfo) {
60 printf("%s: phase 1b: cyl group %d of %d (%d%%)\n",
61 cdevname, c, sblock.fs_ncg,
62 c * 100 / sblock.fs_ncg);
63 got_siginfo = 0;
64 }
65 for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
66 if (inumber < UFS_ROOTINO)
67 continue;
68 dp = ginode(inumber);
69 if (dp == NULL)
70 continue;
71 idesc.id_number = inumber;
72 if (inoinfo(inumber)->ino_state != USTATE &&
73 (ckinode(dp, &idesc) & STOP))
74 return;
75 }
76 }
77 }
78
79 static int
pass1bcheck(struct inodesc * idesc)80 pass1bcheck(struct inodesc *idesc)
81 {
82 struct dups *dlp;
83 int nfrags, res = KEEPON;
84 ufs_daddr_t blkno = idesc->id_blkno;
85
86 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
87 if (chkrange(blkno, 1))
88 res = SKIP;
89 for (dlp = duphead; dlp; dlp = dlp->next) {
90 if (dlp->dup == blkno) {
91 blkerror(idesc->id_number, "DUP", blkno);
92 dlp->dup = duphead->dup;
93 duphead->dup = blkno;
94 duphead = duphead->next;
95 }
96 if (dlp == muldup)
97 break;
98 }
99 if (muldup == 0 || duphead == muldup->next)
100 return (STOP);
101 }
102 return (res);
103 }
104