pass1b.c revision 136346 
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 * 4. 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
30#if 0
31#ifndef lint
32static const char sccsid[] = "@(#)pass1b.c	8.4 (Berkeley) 4/28/95";
33#endif /* not lint */
34#endif
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD: head/sbin/fsck_ffs/pass1b.c 136346 2004-10-10 06:37:56Z imp $");
37
38#include <sys/param.h>
39
40#include <ufs/ufs/dinode.h>
41#include <ufs/ffs/fs.h>
42
43#include <string.h>
44
45#include "fsck.h"
46
47static  struct dups *duphead;
48static int pass1bcheck(struct inodesc *);
49
50void
51pass1b(void)
52{
53	int c, i;
54	union dinode *dp;
55	struct inodesc idesc;
56	ino_t inumber;
57
58	memset(&idesc, 0, sizeof(struct inodesc));
59	idesc.id_type = ADDR;
60	idesc.id_func = pass1bcheck;
61	duphead = duplist;
62	inumber = 0;
63	for (c = 0; c < sblock.fs_ncg; c++) {
64		if (got_siginfo) {
65			printf("%s: phase 1b: cyl group %d of %d (%d%%)\n",
66			    cdevname, c, sblock.fs_ncg,
67			    c * 100 / sblock.fs_ncg);
68			got_siginfo = 0;
69		}
70		if (got_sigalarm) {
71			setproctitle("%s p1b %d%%", cdevname,
72			    c * 100 / sblock.fs_ncg);
73			got_sigalarm = 0;
74		}
75		for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
76			if (inumber < ROOTINO)
77				continue;
78			dp = ginode(inumber);
79			if (dp == NULL)
80				continue;
81			idesc.id_number = inumber;
82			if (inoinfo(inumber)->ino_state != USTATE &&
83			    (ckinode(dp, &idesc) & STOP))
84				return;
85		}
86	}
87}
88
89static int
90pass1bcheck(struct inodesc *idesc)
91{
92	struct dups *dlp;
93	int nfrags, res = KEEPON;
94	ufs2_daddr_t blkno = idesc->id_blkno;
95
96	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
97		if (chkrange(blkno, 1))
98			res = SKIP;
99		for (dlp = duphead; dlp; dlp = dlp->next) {
100			if (dlp->dup == blkno) {
101				blkerror(idesc->id_number, "DUP", blkno);
102				dlp->dup = duphead->dup;
103				duphead->dup = blkno;
104				duphead = duphead->next;
105			}
106			if (dlp == muldup)
107				break;
108		}
109		if (muldup == 0 || duphead == muldup->next)
110			return (STOP);
111	}
112	return (res);
113}
114