xref: /netbsd-src/sbin/fsck_ext2fs/pass3.c (revision 6d07b400dc878478f544ef48ff61b3295c40c6bb)
1*6d07b400Sbouyer /*	$NetBSD: pass3.c,v 1.7 2009/10/19 18:41:08 bouyer Exp $	*/
2bf07c871Sagc 
3bf07c871Sagc /*
4bf07c871Sagc  * Copyright (c) 1980, 1986, 1993
5bf07c871Sagc  *	The Regents of the University of California.  All rights reserved.
6bf07c871Sagc  *
7bf07c871Sagc  * Redistribution and use in source and binary forms, with or without
8bf07c871Sagc  * modification, are permitted provided that the following conditions
9bf07c871Sagc  * are met:
10bf07c871Sagc  * 1. Redistributions of source code must retain the above copyright
11bf07c871Sagc  *    notice, this list of conditions and the following disclaimer.
12bf07c871Sagc  * 2. Redistributions in binary form must reproduce the above copyright
13bf07c871Sagc  *    notice, this list of conditions and the following disclaimer in the
14bf07c871Sagc  *    documentation and/or other materials provided with the distribution.
15bf07c871Sagc  * 3. Neither the name of the University nor the names of its contributors
16bf07c871Sagc  *    may be used to endorse or promote products derived from this software
17bf07c871Sagc  *    without specific prior written permission.
18bf07c871Sagc  *
19bf07c871Sagc  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20bf07c871Sagc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21bf07c871Sagc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22bf07c871Sagc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23bf07c871Sagc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24bf07c871Sagc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25bf07c871Sagc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26bf07c871Sagc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27bf07c871Sagc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28bf07c871Sagc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29bf07c871Sagc  * SUCH DAMAGE.
30bf07c871Sagc  */
318f7c2b37Sbouyer 
328f7c2b37Sbouyer /*
338f7c2b37Sbouyer  * Copyright (c) 1997 Manuel Bouyer.
348f7c2b37Sbouyer  *
358f7c2b37Sbouyer  * Redistribution and use in source and binary forms, with or without
368f7c2b37Sbouyer  * modification, are permitted provided that the following conditions
378f7c2b37Sbouyer  * are met:
388f7c2b37Sbouyer  * 1. Redistributions of source code must retain the above copyright
398f7c2b37Sbouyer  *    notice, this list of conditions and the following disclaimer.
408f7c2b37Sbouyer  * 2. Redistributions in binary form must reproduce the above copyright
418f7c2b37Sbouyer  *    notice, this list of conditions and the following disclaimer in the
428f7c2b37Sbouyer  *    documentation and/or other materials provided with the distribution.
438f7c2b37Sbouyer  *
442f853da9Sbouyer  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
452f853da9Sbouyer  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
462f853da9Sbouyer  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
472f853da9Sbouyer  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
482f853da9Sbouyer  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
492f853da9Sbouyer  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
502f853da9Sbouyer  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
512f853da9Sbouyer  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
522f853da9Sbouyer  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
532f853da9Sbouyer  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
548f7c2b37Sbouyer  */
558f7c2b37Sbouyer 
564b836889Slukem #include <sys/cdefs.h>
578f7c2b37Sbouyer #ifndef lint
588f7c2b37Sbouyer #if 0
598f7c2b37Sbouyer static char sccsid[] = "@(#)pass3.c	8.1 (Berkeley) 6/5/93";
608f7c2b37Sbouyer #else
61*6d07b400Sbouyer __RCSID("$NetBSD: pass3.c,v 1.7 2009/10/19 18:41:08 bouyer Exp $");
628f7c2b37Sbouyer #endif
638f7c2b37Sbouyer #endif /* not lint */
648f7c2b37Sbouyer 
658f7c2b37Sbouyer #include <sys/param.h>
668f7c2b37Sbouyer #include <sys/time.h>
678f7c2b37Sbouyer #include <ufs/ext2fs/ext2fs_dinode.h>
688f7c2b37Sbouyer #include <ufs/ext2fs/ext2fs.h>
698f7c2b37Sbouyer #include "fsck.h"
708f7c2b37Sbouyer #include "extern.h"
718f7c2b37Sbouyer 
728f7c2b37Sbouyer void
pass3(void)73ccde05f0Sxtraeme pass3(void)
748f7c2b37Sbouyer {
754b836889Slukem 	struct inoinfo **inpp, *inp;
768f7c2b37Sbouyer 	ino_t orphan;
778f7c2b37Sbouyer 	int loopcnt;
788f7c2b37Sbouyer 
798f7c2b37Sbouyer 	for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
808f7c2b37Sbouyer 		inp = *inpp;
818f7c2b37Sbouyer 		if (inp->i_number == EXT2_ROOTINO ||
828f7c2b37Sbouyer 		    !(inp->i_parent == 0 || statemap[inp->i_number] == DSTATE))
838f7c2b37Sbouyer 			continue;
848f7c2b37Sbouyer 		if (statemap[inp->i_number] == DCLEAR)
858f7c2b37Sbouyer 			continue;
868f7c2b37Sbouyer 		for (loopcnt = 0; ; loopcnt++) {
878f7c2b37Sbouyer 			orphan = inp->i_number;
888f7c2b37Sbouyer 			if (inp->i_parent == 0 ||
898f7c2b37Sbouyer 			    statemap[inp->i_parent] != DSTATE ||
908f7c2b37Sbouyer 			    loopcnt > numdirs)
918f7c2b37Sbouyer 				break;
928f7c2b37Sbouyer 			inp = getinoinfo(inp->i_parent);
938f7c2b37Sbouyer 		}
948f7c2b37Sbouyer 		(void)linkup(orphan, inp->i_dotdot);
958f7c2b37Sbouyer 		inp->i_parent = inp->i_dotdot = lfdir;
968f7c2b37Sbouyer 		lncntp[lfdir]--;
978f7c2b37Sbouyer 		statemap[orphan] = DFOUND;
988f7c2b37Sbouyer 		propagate();
998f7c2b37Sbouyer 	}
1008f7c2b37Sbouyer }
101