usr/src/sbin/fsck/pass3.c

/*
 * Copyright (c) 1980, 1986, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)pass3.c     8.2 (Berkeley) 4/27/95";
#endif /* not lint */

#include <sys/param.h>
#include <sys/time.h>

#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>

#include "fsck.h"

void
pass3()
{
        register struct inoinfo **inpp, *inp;
        ino_t orphan;
        int loopcnt;

        for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
                inp = *inpp;
                if (inp->i_number == ROOTINO ||
                    !(inp->i_parent == 0 || statemap[inp->i_number] == DSTATE))
                        continue;
                if (statemap[inp->i_number] == DCLEAR)
                        continue;
                for (loopcnt = 0; ; loopcnt++) {
                        orphan = inp->i_number;
                        if (inp->i_parent == 0 ||
                            statemap[inp->i_parent] != DSTATE ||
                            loopcnt > numdirs)
                                break;
                        inp = getinoinfo(inp->i_parent);
                }
                (void)linkup(orphan, inp->i_dotdot);
                inp->i_parent = inp->i_dotdot = lfdir;
                lncntp[lfdir]--;
                statemap[orphan] = DFOUND;
                propagate();
        }
}