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pass3.c revision 1.4 
      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, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 /*static char sccsid[] = "from: @(#)pass3.c	5.10 (Berkeley) 6/1/90";*/
     36 static char rcsid[] = "$Id: pass3.c,v 1.4 1993/08/01 18:27:17 mycroft Exp $";
     37 #endif /* not lint */
     38 
     39 #include <sys/param.h>
     40 #include <ufs/dinode.h>
     41 #include <ufs/fs.h>
     42 #include "fsck.h"
     43 
     44 pass3()
     45 {
     46 	register struct inoinfo **inpp, *inp;
     47 	ino_t orphan;
     48 	int loopcnt;
     49 
     50 	for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
     51 		inp = *inpp;
     52 		if (inp->i_number == ROOTINO ||
     53 		    !(inp->i_parent == 0 || statemap[inp->i_number] == DSTATE))
     54 			continue;
     55 		if (statemap[inp->i_number] == DCLEAR)
     56 			continue;
     57 		for (loopcnt = 0; ; loopcnt++) {
     58 			orphan = inp->i_number;
     59 			if (inp->i_parent == 0 ||
     60 			    statemap[inp->i_parent] != DSTATE ||
     61 			    loopcnt > numdirs)
     62 				break;
     63 			inp = getinoinfo(inp->i_parent);
     64 		}
     65 		(void)linkup(orphan, inp->i_dotdot);
     66 		inp->i_parent = inp->i_dotdot = lfdir;
     67 		lncntp[lfdir]--;
     68 		statemap[orphan] = DFOUND;
     69 		propagate();
     70 	}
     71 }
     72