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pass3.c revision 1.13 
      1 /* $NetBSD: pass3.c,v 1.13 2013/06/08 02:16:03 dholland 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 #include <sys/param.h>
     33 #include <sys/time.h>
     34 #include <sys/mount.h>
     35 #include <ufs/lfs/lfs.h>
     36 #include "fsck.h"
     37 #include "extern.h"
     38 
     39 void
     40 pass3(void)
     41 {
     42 	struct inoinfo **inpp, *inp;
     43 	ino_t orphan;
     44 	int loopcnt;
     45 
     46 	for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
     47 		inp = *inpp;
     48 		if (inp->i_number == ULFS_ROOTINO || inp->i_number == LFS_IFILE_INUM ||
     49 		    !(inp->i_parent == 0 || statemap[inp->i_number] == DSTATE))
     50 			continue;
     51 		if (statemap[inp->i_number] == DCLEAR)
     52 			continue;
     53 		if (statemap[inp->i_number] == FCLEAR)
     54 			continue;
     55 		for (loopcnt = 0;; loopcnt++) {
     56 			orphan = inp->i_number;
     57 			if (inp->i_parent == 0 ||
     58 			    statemap[inp->i_parent] != DSTATE ||
     59 			    loopcnt > numdirs)
     60 				break;
     61 			inp = getinoinfo(inp->i_parent);
     62 		}
     63 		(void) linkup(orphan, inp->i_dotdot);
     64 		inp->i_parent = inp->i_dotdot = lfdir;
     65 		lncntp[lfdir]--;
     66 		statemap[orphan] = DFOUND;
     67 		propagate();
     68 	}
     69 }
     70