pass1b.c revision 114589 
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. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#if 0
35#ifndef lint
36static const char sccsid[] = "@(#)pass1b.c	8.4 (Berkeley) 4/28/95";
37#endif /* not lint */
38#endif
39#include <sys/cdefs.h>
40__FBSDID("$FreeBSD: head/sbin/fsck_ffs/pass1b.c 114589 2003-05-03 18:41:59Z obrien $");
41
42#include <sys/param.h>
43
44#include <ufs/ufs/dinode.h>
45#include <ufs/ffs/fs.h>
46
47#include <string.h>
48
49#include "fsck.h"
50
51static  struct dups *duphead;
52static int pass1bcheck(struct inodesc *);
53
54void
55pass1b(void)
56{
57	int c, i;
58	union dinode *dp;
59	struct inodesc idesc;
60	ino_t inumber;
61
62	memset(&idesc, 0, sizeof(struct inodesc));
63	idesc.id_type = ADDR;
64	idesc.id_func = pass1bcheck;
65	duphead = duplist;
66	inumber = 0;
67	for (c = 0; c < sblock.fs_ncg; c++) {
68		if (got_siginfo) {
69			printf("%s: phase 1b: cyl group %d of %d (%d%%)\n",
70			    cdevname, c, sblock.fs_ncg,
71			    c * 100 / sblock.fs_ncg);
72			got_siginfo = 0;
73		}
74		for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
75			if (inumber < ROOTINO)
76				continue;
77			dp = ginode(inumber);
78			if (dp == NULL)
79				continue;
80			idesc.id_number = inumber;
81			if (inoinfo(inumber)->ino_state != USTATE &&
82			    (ckinode(dp, &idesc) & STOP))
83				return;
84		}
85	}
86}
87
88static int
89pass1bcheck(struct inodesc *idesc)
90{
91	struct dups *dlp;
92	int nfrags, res = KEEPON;
93	ufs2_daddr_t blkno = idesc->id_blkno;
94
95	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
96		if (chkrange(blkno, 1))
97			res = SKIP;
98		for (dlp = duphead; dlp; dlp = dlp->next) {
99			if (dlp->dup == blkno) {
100				blkerror(idesc->id_number, "DUP", blkno);
101				dlp->dup = duphead->dup;
102				duphead->dup = blkno;
103				duphead = duphead->next;
104			}
105			if (dlp == muldup)
106				break;
107		}
108		if (muldup == 0 || duphead == muldup->next)
109			return (STOP);
110	}
111	return (res);
112}
113