xref: /netbsd/sbin/fsck_lfs/pass3.c (revision bf9ec67e)
1 /* $NetBSD: pass3.c,v 1.3 2000/05/23 01:48:54 perseant 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/param.h>
37 #include <sys/time.h>
38 #include <ufs/ufs/dinode.h>
39 #include <sys/mount.h>
40 #include <ufs/lfs/lfs.h>
41 #include "fsck.h"
42 #include "extern.h"
43 
44 void
45 pass3()
46 {
47 	register struct inoinfo **inpp, *inp;
48 	ino_t           orphan;
49 	int             loopcnt;
50 
51 	for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
52 		inp = *inpp;
53 		if (inp->i_number == ROOTINO ||
54 		 !(inp->i_parent == 0 || statemap[inp->i_number] == DSTATE))
55 			continue;
56 		if (statemap[inp->i_number] == DCLEAR)
57 			continue;
58 		for (loopcnt = 0;; loopcnt++) {
59 			orphan = inp->i_number;
60 			if (inp->i_parent == 0 ||
61 			    statemap[inp->i_parent] != DSTATE ||
62 			    loopcnt > numdirs)
63 				break;
64 			inp = getinoinfo(inp->i_parent);
65 		}
66 		(void)linkup(orphan, inp->i_dotdot);
67 		inp->i_parent = inp->i_dotdot = lfdir;
68 		lncntp[lfdir]--;
69 		statemap[orphan] = DFOUND;
70 		propagate();
71 	}
72 }
73