pass1b.c revision 330897 
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 * 4. 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
34static 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/11/sbin/fsck_ffs/pass1b.c 330897 2018-03-14 03:19:51Z eadler $");
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
49static  struct dups *duphead;
50static int pass1bcheck(struct inodesc *);
51
52void
53pass1b(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 < 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
93static int
94pass1bcheck(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