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pass5.c revision 1.4.2.1
      1  1.4.2.1   minoura /* $NetBSD: pass5.c,v 1.4.2.1 2000/06/22 16:05:27 minoura Exp $	 */
      2      1.4  perseant 
      3      1.4  perseant /*-
      4      1.4  perseant  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5      1.4  perseant  * All rights reserved.
      6      1.4  perseant  *
      7      1.4  perseant  * This code is derived from software contributed to The NetBSD Foundation
      8      1.4  perseant  * by Konrad E. Schroder <perseant (at) hhhh.org>.
      9      1.4  perseant  *
     10      1.4  perseant  * Redistribution and use in source and binary forms, with or without
     11      1.4  perseant  * modification, are permitted provided that the following conditions
     12      1.4  perseant  * are met:
     13      1.4  perseant  * 1. Redistributions of source code must retain the above copyright
     14      1.4  perseant  *    notice, this list of conditions and the following disclaimer.
     15      1.4  perseant  * 2. Redistributions in binary form must reproduce the above copyright
     16      1.4  perseant  *    notice, this list of conditions and the following disclaimer in the
     17      1.4  perseant  *    documentation and/or other materials provided with the distribution.
     18      1.4  perseant  * 3. All advertising materials mentioning features or use of this software
     19      1.4  perseant  *    must display the following acknowledgement:
     20      1.4  perseant  *      This product includes software developed by the NetBSD
     21      1.4  perseant  *      Foundation, Inc. and its contributors.
     22      1.4  perseant  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23      1.4  perseant  *    contributors may be used to endorse or promote products derived
     24      1.4  perseant  *    from this software without specific prior written permission.
     25      1.4  perseant  *
     26      1.4  perseant  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27      1.4  perseant  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28      1.4  perseant  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29      1.4  perseant  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30      1.4  perseant  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31      1.4  perseant  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32      1.4  perseant  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33      1.4  perseant  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34      1.4  perseant  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35      1.4  perseant  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36      1.4  perseant  * POSSIBILITY OF SUCH DAMAGE.
     37      1.4  perseant  */
     38      1.1  perseant 
     39      1.1  perseant #include <sys/param.h>
     40      1.1  perseant #include <sys/time.h>
     41      1.1  perseant #include <ufs/ufs/dinode.h>
     42      1.3  perseant #include <ufs/ufs/dir.h>
     43      1.3  perseant #include <sys/mount.h>
     44      1.3  perseant #include <ufs/lfs/lfs.h>
     45      1.3  perseant 
     46      1.1  perseant #include <string.h>
     47      1.1  perseant #include "fsck.h"
     48      1.1  perseant #include "extern.h"
     49      1.3  perseant #include "fsutil.h"
     50      1.3  perseant 
     51      1.4  perseant extern SEGUSE  *seg_table;
     52      1.1  perseant 
     53      1.1  perseant void
     54      1.1  perseant pass5()
     55      1.1  perseant {
     56      1.4  perseant 	SEGUSE         *su;
     57      1.3  perseant 	struct bufarea *bp;
     58      1.4  perseant 	int             i;
     59      1.3  perseant 
     60      1.3  perseant 	/*
     61      1.3  perseant 	 * Check segment holdings against actual holdings.  Check for
     62      1.3  perseant 	 * "clean" segments that contain live data.
     63      1.3  perseant 	 */
     64      1.4  perseant 	for (i = 0; i < sblock.lfs_nseg; i++) {
     65      1.3  perseant 		su = lfs_gseguse(i, &bp);
     66      1.3  perseant 		if (!(su->su_flags & SEGUSE_DIRTY) &&
     67      1.4  perseant 		    seg_table[i].su_nbytes > 0) {
     68      1.3  perseant 			pwarn("%d bytes contained in 'clean' segment %d\n",
     69      1.3  perseant 			      seg_table[i].su_nbytes, i);
     70      1.4  perseant 			if (preen || reply("fix")) {
     71      1.3  perseant 				su->su_flags |= SEGUSE_DIRTY;
     72      1.3  perseant 				dirty(bp);
     73      1.3  perseant 			}
     74      1.3  perseant 		}
     75      1.3  perseant 		if ((su->su_flags & SEGUSE_DIRTY) &&
     76      1.4  perseant 		    su->su_nbytes != seg_table[i].su_nbytes) {
     77  1.4.2.1   minoura 			pwarn("segment %d claims %d bytes but has %d",
     78      1.3  perseant 			      i, su->su_nbytes, seg_table[i].su_nbytes);
     79  1.4.2.1   minoura 			if (su->su_nbytes > seg_table[i].su_nbytes)
     80  1.4.2.1   minoura 				pwarn(" (high by %d)\n", su->su_nbytes -
     81  1.4.2.1   minoura 				      seg_table[i].su_nbytes);
     82  1.4.2.1   minoura 			else
     83  1.4.2.1   minoura 				pwarn(" (low by %d)\n", - su->su_nbytes +
     84  1.4.2.1   minoura 				      seg_table[i].su_nbytes);
     85      1.4  perseant 			if (preen || reply("fix")) {
     86      1.3  perseant 				su->su_nbytes = seg_table[i].su_nbytes;
     87      1.3  perseant 				dirty(bp);
     88      1.1  perseant 			}
     89      1.1  perseant 		}
     90      1.3  perseant 		bp->b_flags &= ~B_INUSE;
     91      1.1  perseant 	}
     92      1.1  perseant }
     93