Home | History | Annotate | Line # | Download | only in fsck_ext2fs 
      1 /*	$NetBSD: pass3.c,v 1.7 2009/10/19 18:41:08 bouyer 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Copyright (c) 1997 Manuel Bouyer.
     34  *
     35  * Redistribution and use in source and binary forms, with or without
     36  * modification, are permitted provided that the following conditions
     37  * are met:
     38  * 1. Redistributions of source code must retain the above copyright
     39  *    notice, this list of conditions and the following disclaimer.
     40  * 2. Redistributions in binary form must reproduce the above copyright
     41  *    notice, this list of conditions and the following disclaimer in the
     42  *    documentation and/or other materials provided with the distribution.
     43  *
     44  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     45  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     46  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     47  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     48  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     49  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     50  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     51  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     52  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     53  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     54  */
     55 
     56 #include <sys/cdefs.h>
     57 #ifndef lint
     58 #if 0
     59 static char sccsid[] = "@(#)pass3.c	8.1 (Berkeley) 6/5/93";
     60 #else
     61 __RCSID("$NetBSD: pass3.c,v 1.7 2009/10/19 18:41:08 bouyer Exp $");
     62 #endif
     63 #endif /* not lint */
     64 
     65 #include <sys/param.h>
     66 #include <sys/time.h>
     67 #include <ufs/ext2fs/ext2fs_dinode.h>
     68 #include <ufs/ext2fs/ext2fs.h>
     69 #include "fsck.h"
     70 #include "extern.h"
     71 
     72 void
     73 pass3(void)
     74 {
     75 	struct inoinfo **inpp, *inp;
     76 	ino_t orphan;
     77 	int loopcnt;
     78 
     79 	for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
     80 		inp = *inpp;
     81 		if (inp->i_number == EXT2_ROOTINO ||
     82 		    !(inp->i_parent == 0 || statemap[inp->i_number] == DSTATE))
     83 			continue;
     84 		if (statemap[inp->i_number] == DCLEAR)
     85 			continue;
     86 		for (loopcnt = 0; ; loopcnt++) {
     87 			orphan = inp->i_number;
     88 			if (inp->i_parent == 0 ||
     89 			    statemap[inp->i_parent] != DSTATE ||
     90 			    loopcnt > numdirs)
     91 				break;
     92 			inp = getinoinfo(inp->i_parent);
     93 		}
     94 		(void)linkup(orphan, inp->i_dotdot);
     95 		inp->i_parent = inp->i_dotdot = lfdir;
     96 		lncntp[lfdir]--;
     97 		statemap[orphan] = DFOUND;
     98 		propagate();
     99 	}
    100 }
    101