usr/src/sbin/fsck/pass1b.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
static char sccsid[] = "@(#)pass1b.c    5.2 (Berkeley) %G%";
#endif not lint

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

int     pass1bcheck();
static  struct dups *duphead;

pass1b()
{
        register int c, i;
        register DINODE *dp;
        struct inodesc idesc;
        ino_t inumber;

        bzero((char *)&idesc, sizeof(struct inodesc));
        idesc.id_type = ADDR;
        idesc.id_func = pass1bcheck;
        duphead = duplist;
        inumber = 0;
        for (c = 0; c < sblock.fs_ncg; c++) {
                for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
                        if (inumber < ROOTINO)
                                continue;
                        dp = ginode(inumber);
                        if (dp == NULL)
                                continue;
                        idesc.id_number = inumber;
                        if (statemap[inumber] != USTATE &&
                            (ckinode(dp, &idesc) & STOP))
                                goto out1b;
                }
        }
out1b:;
}

pass1bcheck(idesc)
        register struct inodesc *idesc;
{
        register struct dups *dlp;
        int nfrags, res = KEEPON;
        daddr_t blkno = idesc->id_blkno;

        for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
                if (outrange(blkno, 1))
                        res = SKIP;
                for (dlp = duphead; dlp; dlp = dlp->next) {
                        if (dlp->dup == blkno) {
                                blkerr(idesc->id_number, "DUP", blkno);
                                dlp->dup = duphead->dup;
                                duphead->dup = blkno;
                                duphead = duphead->next;
                        }
                        if (dlp == muldup)
                                break;
                }
                if (muldup == 0 || duphead == muldup->next)
                        return (STOP);
        }
        return (res);
}