xref: /dragonfly/sbin/fsck/pass1b.c (revision 38a690d7)
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  * @(#)pass1b.c	8.4 (Berkeley) 4/28/95
34  * $FreeBSD: src/sbin/fsck/pass1b.c,v 1.7.2.1 2001/01/23 23:11:07 iedowse Exp $
35  * $DragonFly: src/sbin/fsck/pass1b.c,v 1.3 2003/08/08 04:18:37 dillon Exp $
36  */
37 
38 #include <sys/param.h>
39 
40 #include <vfs/ufs/dinode.h>
41 #include <vfs/ufs/fs.h>
42 
43 #include <string.h>
44 
45 #include "fsck.h"
46 
47 static  struct dups *duphead;
48 static int pass1bcheck __P((struct inodesc *));
49 
50 void
51 pass1b()
52 {
53 	register int c, i;
54 	register struct 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 		for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
71 			if (inumber < ROOTINO)
72 				continue;
73 			dp = ginode(inumber);
74 			if (dp == NULL)
75 				continue;
76 			idesc.id_number = inumber;
77 			if (inoinfo(inumber)->ino_state != USTATE &&
78 			    (ckinode(dp, &idesc) & STOP))
79 				return;
80 		}
81 	}
82 }
83 
84 static int
85 pass1bcheck(idesc)
86 	register struct inodesc *idesc;
87 {
88 	register struct dups *dlp;
89 	int nfrags, res = KEEPON;
90 	ufs_daddr_t blkno = idesc->id_blkno;
91 
92 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
93 		if (chkrange(blkno, 1))
94 			res = SKIP;
95 		for (dlp = duphead; dlp; dlp = dlp->next) {
96 			if (dlp->dup == blkno) {
97 				blkerror(idesc->id_number, "DUP", blkno);
98 				dlp->dup = duphead->dup;
99 				duphead->dup = blkno;
100 				duphead = duphead->next;
101 			}
102 			if (dlp == muldup)
103 				break;
104 		}
105 		if (muldup == 0 || duphead == muldup->next)
106 			return (STOP);
107 	}
108 	return (res);
109 }
110