xref: /csrg-svn/sbin/fsck/pass3.c (revision 41132)
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	5.9 (Berkeley) 04/29/90";
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 pass3()
28 {
29 	register struct inoinfo **inpp, *inp;
30 	ino_t orphan;
31 	int loopcnt;
32 
33 	for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
34 		inp = *inpp;
35 		if (inp->i_number == ROOTINO ||
36 		    !(inp->i_parent == 0 || statemap[inp->i_number] == DSTATE))
37 			continue;
38 		if (statemap[inp->i_number] == DCLEAR)
39 			continue;
40 		for (loopcnt = 0; ; loopcnt++) {
41 			orphan = inp->i_number;
42 			if (inp->i_parent == 0 ||
43 			    statemap[inp->i_parent] != DSTATE ||
44 			    loopcnt > numdirs)
45 				break;
46 			inp = getinoinfo(inp->i_parent);
47 		}
48 		(void)linkup(orphan, inp->i_dotdot);
49 		inp->i_parent = inp->i_dotdot = lfdir;
50 		lncntp[lfdir]--;
51 		statemap[orphan] = DFOUND;
52 		propagate();
53 	}
54 }
55