usr/src/sbin/fsck/pass3.c

/*
 * Copyright (c) 1980, 1986 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
static char sccsid[] = "@(#)pass3.c     5.8 (Berkeley) %G%";
#endif /* not lint */

#include <sys/param.h>
#include <ufs/dinode.h>
#include <ufs/fs.h>
#include "fsck.h"

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;
                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();
        }
}