xref: /original-bsd/sbin/fsck/pass1b.c (revision 2b8d0949)
1 /*
2  * Copyright (c) 1980, 1986, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #ifndef lint
9 static char sccsid[] = "@(#)pass1b.c	8.4 (Berkeley) 04/28/95";
10 #endif /* not lint */
11 
12 #include <sys/param.h>
13 #include <sys/time.h>
14 
15 #include <ufs/ufs/dinode.h>
16 #include <ufs/ffs/fs.h>
17 
18 #include <string.h>
19 
20 #include "fsck.h"
21 
22 static  struct dups *duphead;
23 static int pass1bcheck __P((struct inodesc *));
24 
25 void
pass1b()26 pass1b()
27 {
28 	register int c, i;
29 	register struct dinode *dp;
30 	struct inodesc idesc;
31 	ino_t inumber;
32 
33 	memset(&idesc, 0, sizeof(struct inodesc));
34 	idesc.id_type = ADDR;
35 	idesc.id_func = pass1bcheck;
36 	duphead = duplist;
37 	inumber = 0;
38 	for (c = 0; c < sblock.fs_ncg; c++) {
39 		for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
40 			if (inumber < ROOTINO)
41 				continue;
42 			dp = ginode(inumber);
43 			if (dp == NULL)
44 				continue;
45 			idesc.id_number = inumber;
46 			if (statemap[inumber] != USTATE &&
47 			    (ckinode(dp, &idesc) & STOP))
48 				return;
49 		}
50 	}
51 }
52 
53 static int
pass1bcheck(idesc)54 pass1bcheck(idesc)
55 	register struct inodesc *idesc;
56 {
57 	register struct dups *dlp;
58 	int nfrags, res = KEEPON;
59 	ufs_daddr_t blkno = idesc->id_blkno;
60 
61 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
62 		if (chkrange(blkno, 1))
63 			res = SKIP;
64 		for (dlp = duphead; dlp; dlp = dlp->next) {
65 			if (dlp->dup == blkno) {
66 				blkerror(idesc->id_number, "DUP", blkno);
67 				dlp->dup = duphead->dup;
68 				duphead->dup = blkno;
69 				duphead = duphead->next;
70 			}
71 			if (dlp == muldup)
72 				break;
73 		}
74 		if (muldup == 0 || duphead == muldup->next)
75 			return (STOP);
76 	}
77 	return (res);
78 }
79