xref: /freebsd/sbin/fsck_ffs/pass1b.c (revision afe61c15161c324a7af299a9b8457aba5afc92db)
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 #ifndef lint
35 static char sccsid[] = "@(#)pass1b.c	8.1 (Berkeley) 6/5/93";
36 #endif /* not lint */
37 
38 #include <sys/param.h>
39 #include <sys/time.h>
40 #include <ufs/ufs/dinode.h>
41 #include <ufs/ffs/fs.h>
42 #include <string.h>
43 #include "fsck.h"
44 
45 int	pass1bcheck();
46 static  struct dups *duphead;
47 
48 pass1b()
49 {
50 	register int c, i;
51 	register struct dinode *dp;
52 	struct inodesc idesc;
53 	ino_t inumber;
54 
55 	bzero((char *)&idesc, sizeof(struct inodesc));
56 	idesc.id_type = ADDR;
57 	idesc.id_func = pass1bcheck;
58 	duphead = duplist;
59 	inumber = 0;
60 	for (c = 0; c < sblock.fs_ncg; c++) {
61 		for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
62 			if (inumber < ROOTINO)
63 				continue;
64 			dp = ginode(inumber);
65 			if (dp == NULL)
66 				continue;
67 			idesc.id_number = inumber;
68 			if (statemap[inumber] != USTATE &&
69 			    (ckinode(dp, &idesc) & STOP))
70 				return;
71 		}
72 	}
73 }
74 
75 pass1bcheck(idesc)
76 	register struct inodesc *idesc;
77 {
78 	register struct dups *dlp;
79 	int nfrags, res = KEEPON;
80 	daddr_t blkno = idesc->id_blkno;
81 
82 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
83 		if (chkrange(blkno, 1))
84 			res = SKIP;
85 		for (dlp = duphead; dlp; dlp = dlp->next) {
86 			if (dlp->dup == blkno) {
87 				blkerror(idesc->id_number, "DUP", blkno);
88 				dlp->dup = duphead->dup;
89 				duphead->dup = blkno;
90 				duphead = duphead->next;
91 			}
92 			if (dlp == muldup)
93 				break;
94 		}
95 		if (muldup == 0 || duphead == muldup->next)
96 			return (STOP);
97 	}
98 	return (res);
99 }
100