sbin/fsck_lfs/pass3.c

   1 /* $NetBSD: pass3.c,v 1.8 2005/02/26 05:45:54 perseant 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 <ufs/ufs/dinode.h>
  35 #include <sys/mount.h>
  36 #include <ufs/lfs/lfs.h>
  37 #include "fsck.h"
  38 #include "extern.h"
  39
  40 void
  41 pass3(void)
  42 {
  43         struct inoinfo **inpp, *inp;
  44         ino_t orphan;
  45         int loopcnt;
  46
  47         for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
  48                 inp = *inpp;
  49                 if (inp->i_number == ROOTINO || inp->i_number == LFS_IFILE_INUM ||
  50                     !(inp->i_parent == 0 || statemap[inp->i_number] == DSTATE))
  51                         continue;
  52                 if (statemap[inp->i_number] == DCLEAR)
  53                         continue;
  54                 if (statemap[inp->i_number] == FCLEAR)
  55                         continue;
  56                 for (loopcnt = 0;; loopcnt++) {
  57                         orphan = inp->i_number;
  58                         if (inp->i_parent == 0 ||
  59                             statemap[inp->i_parent] != DSTATE ||
  60                             loopcnt > numdirs)
  61                                 break;
  62                         inp = getinoinfo(inp->i_parent);
  63                 }
  64                 (void) linkup(orphan, inp->i_dotdot);
  65                 inp->i_parent = inp->i_dotdot = lfdir;
  66                 lncntp[lfdir]--;
  67                 statemap[orphan] = DFOUND;
  68                 propagate();
  69         }
  70 }