Logo Search packages:      
Sourcecode: ufsutils version File versions  Download package

pass1b.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.
 * 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.
 */

#if 0
#ifndef lint
static const char sccsid[] = "@(#)pass1b.c      8.4 (Berkeley) 4/28/95";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/sbin/fsck_ffs/pass1b.c,v 1.15 2004/10/10 06:37:56 imp Exp $");

#include <sys/param.h>

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

#include <string.h>

#include "fsck.h"

static  struct dups *duphead;
static int pass1bcheck(struct inodesc *);

void
pass1b(void)
{
      int c, i;
      union dinode *dp;
      struct inodesc idesc;
      ino_t inumber;

      memset(&idesc, 0, sizeof(struct inodesc));
      idesc.id_type = ADDR;
      idesc.id_func = pass1bcheck;
      duphead = duplist;
      inumber = 0;
      for (c = 0; c < sblock.fs_ncg; c++) {
            if (got_siginfo) {
                  printf("%s: phase 1b: cyl group %d of %d (%d%%)\n",
                      cdevname, c, sblock.fs_ncg,
                      c * 100 / sblock.fs_ncg);
                  got_siginfo = 0;
            }
            if (got_sigalarm) {
                  setproctitle("%s p1b %d%%", cdevname,
                      c * 100 / sblock.fs_ncg);
                  got_sigalarm = 0;
            }
            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 (inoinfo(inumber)->ino_state != USTATE &&
                      (ckinode(dp, &idesc) & STOP))
                        return;
            }
      }
}

static int
pass1bcheck(struct inodesc *idesc)
{
      struct dups *dlp;
      int nfrags, res = KEEPON;
      ufs2_daddr_t blkno = idesc->id_blkno;

      for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
            if (chkrange(blkno, 1))
                  res = SKIP;
            for (dlp = duphead; dlp; dlp = dlp->next) {
                  if (dlp->dup == blkno) {
                        blkerror(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);
}

Generated by  Doxygen 1.6.0   Back to index