xref: /csrg-svn/sbin/fsck/pass3.c (revision 39976)
1 /*
2  * Copyright (c) 1980, 1986 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)pass3.c	5.6 (Berkeley) 02/01/90";
20 #endif /* not lint */
21 
22 #include <sys/param.h>
23 #include <ufs/dinode.h>
24 #include <ufs/fs.h>
25 #include "fsck.h"
26 
27 int	pass2check();
28 
29 pass3()
30 {
31 	register struct dinode *dp;
32 	struct inodesc idesc;
33 	ino_t inumber, orphan;
34 	int loopcnt;
35 
36 	bzero((char *)&idesc, sizeof(struct inodesc));
37 	idesc.id_type = DATA;
38 	for (inumber = ROOTINO; inumber <= lastino; inumber++) {
39 		if (statemap[inumber] == DSTATE) {
40 			pathp = pathname;
41 			*pathp++ = '?';
42 			*pathp = '\0';
43 			idesc.id_func = findino;
44 			idesc.id_name = "..";
45 			idesc.id_parent = inumber;
46 			loopcnt = 0;
47 			do {
48 				orphan = idesc.id_parent;
49 				if (orphan < ROOTINO || orphan > maxino)
50 					break;
51 				dp = ginode(orphan);
52 				idesc.id_parent = 0;
53 				idesc.id_number = orphan;
54 				if ((ckinode(dp, &idesc) & FOUND) == 0)
55 					break;
56 				if (loopcnt >= sblock.fs_cstotal.cs_ndir)
57 					break;
58 				loopcnt++;
59 			} while (statemap[idesc.id_parent] == DSTATE);
60 			if (linkup(orphan, idesc.id_parent) == 1) {
61 				idesc.id_func = pass2check;
62 				idesc.id_number = lfdir;
63 				descend(&idesc, orphan);
64 			}
65 		}
66 	}
67 }
68