pass1b.c revision 1.5 
1/*	$OpenBSD: pass1b.c,v 1.5 2001/11/05 07:39:16 mpech Exp $	*/
2/*	$NetBSD: pass1b.c,v 1.10 1996/09/23 16:18:37 christos Exp $	*/
3
4/*
5 * Copyright (c) 1980, 1986, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#ifndef lint
38#if 0
39static char sccsid[] = "@(#)pass1b.c	8.1 (Berkeley) 6/5/93";
40#else
41static char rcsid[] = "$OpenBSD: pass1b.c,v 1.5 2001/11/05 07:39:16 mpech Exp $";
42#endif
43#endif /* not lint */
44
45#include <sys/param.h>
46#include <sys/time.h>
47#include <ufs/ufs/dinode.h>
48#include <ufs/ffs/fs.h>
49
50#include <stdio.h>
51#include <string.h>
52#include "fsck.h"
53#include "extern.h"
54
55static int	pass1bcheck __P((struct inodesc *));
56static  struct dups *duphead;
57
58static ino_t info_inumber;
59
60static int
61pass1b_info(buf, buflen)
62	char * buf;
63	int buflen;
64{
65	return snprintf(buf, buflen, "phase 1b, inode %d/%d",
66		info_inumber, sblock.fs_ipg * sblock.fs_ncg);
67}
68
69void
70pass1b()
71{
72	int c, i;
73	struct dinode *dp;
74	struct inodesc idesc;
75	ino_t inumber;
76
77	memset(&idesc, 0, sizeof(struct inodesc));
78	idesc.id_type = ADDR;
79	idesc.id_func = pass1bcheck;
80	duphead = duplist;
81	inumber = 0;
82	info_fn = pass1b_info;
83	for (c = 0; c < sblock.fs_ncg; c++) {
84		for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
85			info_inumber = inumber;
86			if (inumber < ROOTINO)
87				continue;
88			dp = ginode(inumber);
89			if (dp == NULL)
90				continue;
91			idesc.id_number = inumber;
92			if (statemap[inumber] != USTATE &&
93			    (ckinode(dp, &idesc) & STOP))
94				return;
95		}
96	}
97	info_fn = NULL;
98}
99
100static int
101pass1bcheck(idesc)
102	struct inodesc *idesc;
103{
104	struct dups *dlp;
105	int nfrags, res = KEEPON;
106	daddr_t blkno = idesc->id_blkno;
107
108	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
109		if (chkrange(blkno, 1))
110			res = SKIP;
111		for (dlp = duphead; dlp; dlp = dlp->next) {
112			if (dlp->dup == blkno) {
113				blkerror(idesc->id_number, "DUP", blkno);
114				dlp->dup = duphead->dup;
115				duphead->dup = blkno;
116				duphead = duphead->next;
117			}
118			if (dlp == muldup)
119				break;
120		}
121		if (muldup == 0 || duphead == muldup->next)
122			return (STOP);
123	}
124	return (res);
125}
126