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pass3.c revision 1.8 
      1 /*	$NetBSD: pass3.c,v 1.8 1995/03/18 14:55:54 cgd 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 #ifndef lint
     37 #if 0
     38 static char sccsid[] = "@(#)pass3.c	8.1 (Berkeley) 6/5/93";
     39 #else
     40 static char rcsid[] = "$NetBSD: pass3.c,v 1.8 1995/03/18 14:55:54 cgd Exp $";
     41 #endif
     42 #endif /* not lint */
     43 
     44 #include <sys/param.h>
     45 #include <sys/time.h>
     46 #include <ufs/ufs/dinode.h>
     47 #include <ufs/ffs/fs.h>
     48 #include "fsck.h"
     49 #include "extern.h"
     50 
     51 void
     52 pass3()
     53 {
     54 	register struct inoinfo **inpp, *inp;
     55 	ino_t orphan;
     56 	int loopcnt;
     57 
     58 	for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
     59 		inp = *inpp;
     60 		if (inp->i_number == ROOTINO ||
     61 		    !(inp->i_parent == 0 || statemap[inp->i_number] == DSTATE))
     62 			continue;
     63 		if (statemap[inp->i_number] == DCLEAR)
     64 			continue;
     65 		for (loopcnt = 0; ; loopcnt++) {
     66 			orphan = inp->i_number;
     67 			if (inp->i_parent == 0 ||
     68 			    statemap[inp->i_parent] != DSTATE ||
     69 			    loopcnt > numdirs)
     70 				break;
     71 			inp = getinoinfo(inp->i_parent);
     72 		}
     73 		(void)linkup(orphan, inp->i_dotdot);
     74 		inp->i_parent = inp->i_dotdot = lfdir;
     75 		lncntp[lfdir]--;
     76 		statemap[orphan] = DFOUND;
     77 		propagate();
     78 	}
     79 }
     80