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pass5.c revision 1.5 
      1 /* $NetBSD: pass5.c,v 1.5 2000/05/30 04:33:15 perseant Exp $	 */
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Konrad E. Schroder <perseant (at) hhhh.org>.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *      This product includes software developed by the NetBSD
     21  *      Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/param.h>
     40 #include <sys/time.h>
     41 #include <ufs/ufs/dinode.h>
     42 #include <ufs/ufs/dir.h>
     43 #include <sys/mount.h>
     44 #include <ufs/lfs/lfs.h>
     45 
     46 #include <string.h>
     47 #include "fsck.h"
     48 #include "extern.h"
     49 #include "fsutil.h"
     50 
     51 extern SEGUSE  *seg_table;
     52 
     53 void
     54 pass5()
     55 {
     56 	SEGUSE         *su;
     57 	struct bufarea *bp;
     58 	int             i;
     59 
     60 	/*
     61 	 * Check segment holdings against actual holdings.  Check for
     62 	 * "clean" segments that contain live data.
     63 	 */
     64 	for (i = 0; i < sblock.lfs_nseg; i++) {
     65 		su = lfs_gseguse(i, &bp);
     66 		if (!(su->su_flags & SEGUSE_DIRTY) &&
     67 		    seg_table[i].su_nbytes > 0) {
     68 			pwarn("%d bytes contained in 'clean' segment %d\n",
     69 			      seg_table[i].su_nbytes, i);
     70 			if (preen || reply("fix")) {
     71 				su->su_flags |= SEGUSE_DIRTY;
     72 				dirty(bp);
     73 			}
     74 		}
     75 		if ((su->su_flags & SEGUSE_DIRTY) &&
     76 		    su->su_nbytes != seg_table[i].su_nbytes) {
     77 			pwarn("segment %d claims %d bytes but has %d",
     78 			      i, su->su_nbytes, seg_table[i].su_nbytes);
     79 			if (su->su_nbytes > seg_table[i].su_nbytes)
     80 				pwarn(" (high by %d)\n", su->su_nbytes -
     81 				      seg_table[i].su_nbytes);
     82 			else
     83 				pwarn(" (low by %d)\n", - su->su_nbytes +
     84 				      seg_table[i].su_nbytes);
     85 			if (preen || reply("fix")) {
     86 				su->su_nbytes = seg_table[i].su_nbytes;
     87 				dirty(bp);
     88 			}
     89 		}
     90 		bp->b_flags &= ~B_INUSE;
     91 	}
     92 }
     93