xref: /netbsd/sbin/fsck_ffs/pass1b.c (revision bf9ec67e)
1 /*	$NetBSD: pass1b.c,v 1.14 2002/05/06 03:17:43 lukem Exp $	*/
2 
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  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)pass1b.c	8.4 (Berkeley) 4/28/95";
40 #else
41 __RCSID("$NetBSD: pass1b.c,v 1.14 2002/05/06 03:17:43 lukem Exp $");
42 #endif
43 #endif /* not lint */
44 
45 #include <sys/param.h>
46 #include <sys/time.h>
47 
48 #include <ufs/ufs/dinode.h>
49 #include <ufs/ffs/fs.h>
50 
51 #include <string.h>
52 
53 #include "fsck.h"
54 #include "extern.h"
55 #include "fsutil.h"
56 
57 static  struct dups *duphead;
58 static int pass1bcheck __P((struct inodesc *));
59 
60 void
61 pass1b()
62 {
63 	int c, i;
64 	struct dinode *dp;
65 	struct inodesc idesc;
66 	ino_t inumber;
67 
68 	memset(&idesc, 0, sizeof(struct inodesc));
69 	idesc.id_type = ADDR;
70 	idesc.id_func = pass1bcheck;
71 	duphead = duplist;
72 	inumber = 0;
73 	for (c = 0; c < sblock->fs_ncg; c++) {
74 		if (got_siginfo) {
75 			fprintf(stderr,
76 			    "%s: phase 1b: cyl group %d of %d (%d%%)\n",
77 			    cdevname(), c, sblock->fs_ncg,
78 			    c * 100 / sblock->fs_ncg);
79 			got_siginfo = 0;
80 		}
81 		for (i = 0; i < sblock->fs_ipg; i++, inumber++) {
82 			if (inumber < ROOTINO)
83 				continue;
84 			dp = ginode(inumber);
85 			if (dp == NULL)
86 				continue;
87 			idesc.id_number = inumber;
88 			if (statemap[inumber] != USTATE &&
89 			    (ckinode(dp, &idesc) & STOP))
90 				return;
91 		}
92 	}
93 }
94 
95 static int
96 pass1bcheck(idesc)
97 	struct inodesc *idesc;
98 {
99 	struct dups *dlp;
100 	int nfrags, res = KEEPON;
101 	ufs_daddr_t blkno = idesc->id_blkno;
102 
103 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
104 		if (chkrange(blkno, 1))
105 			res = SKIP;
106 		for (dlp = duphead; dlp; dlp = dlp->next) {
107 			if (dlp->dup == blkno) {
108 				blkerror(idesc->id_number, "DUP", blkno);
109 				dlp->dup = duphead->dup;
110 				duphead->dup = blkno;
111 				duphead = duphead->next;
112 			}
113 			if (dlp == muldup)
114 				break;
115 		}
116 		if (muldup == 0 || duphead == muldup->next)
117 			return (STOP);
118 	}
119 	return (res);
120 }
121