4.3BSD-Reno/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: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. 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 ``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	5.10 (Berkeley) 6/1/90";
#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;
		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();
	}
}