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lfs_debug.c revision 1.13
      1 /*	$NetBSD: lfs_debug.c,v 1.13 2001/10/26 05:56:09 lukem Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999, 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  * Copyright (c) 1991, 1993
     40  *	The Regents of the University of California.  All rights reserved.
     41  *
     42  * Redistribution and use in source and binary forms, with or without
     43  * modification, are permitted provided that the following conditions
     44  * are met:
     45  * 1. Redistributions of source code must retain the above copyright
     46  *    notice, this list of conditions and the following disclaimer.
     47  * 2. Redistributions in binary form must reproduce the above copyright
     48  *    notice, this list of conditions and the following disclaimer in the
     49  *    documentation and/or other materials provided with the distribution.
     50  * 3. All advertising materials mentioning features or use of this software
     51  *    must display the following acknowledgement:
     52  *	This product includes software developed by the University of
     53  *	California, Berkeley and its contributors.
     54  * 4. Neither the name of the University nor the names of its contributors
     55  *    may be used to endorse or promote products derived from this software
     56  *    without specific prior written permission.
     57  *
     58  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     59  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     60  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     61  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     62  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     63  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     64  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     65  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     66  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     67  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     68  * SUCH DAMAGE.
     69  *
     70  *	@(#)lfs_debug.c	8.1 (Berkeley) 6/11/93
     71  */
     72 
     73 #ifdef DEBUG
     74 #include <sys/param.h>
     75 #include <sys/systm.h>
     76 #include <sys/namei.h>
     77 #include <sys/vnode.h>
     78 #include <sys/mount.h>
     79 
     80 #include <ufs/ufs/inode.h>
     81 #include <ufs/lfs/lfs.h>
     82 #include <ufs/lfs/lfs_extern.h>
     83 
     84 void
     85 lfs_dump_super(struct lfs *lfsp)
     86 {
     87 	int i;
     88 
     89 	printf("%s%x\t%s%x\t%s%d\t%s%d\n",
     90 	       "magic	 ", lfsp->lfs_magic,
     91 	       "version	 ", lfsp->lfs_version,
     92 	       "size	 ", lfsp->lfs_size,
     93 	       "ssize	 ", lfsp->lfs_ssize);
     94 	printf("%s%d\t%s%d\t%s%d\t%s%d\n",
     95 	       "dsize	 ", lfsp->lfs_dsize,
     96 	       "bsize	 ", lfsp->lfs_bsize,
     97 	       "fsize	 ", lfsp->lfs_fsize,
     98 	       "frag	 ", lfsp->lfs_frag);
     99 
    100 	printf("%s%d\t%s%d\t%s%d\t%s%d\n",
    101 	       "minfree	 ", lfsp->lfs_minfree,
    102 	       "inopb	 ", lfsp->lfs_inopb,
    103 	       "ifpb	 ", lfsp->lfs_ifpb,
    104 	       "nindir	 ", lfsp->lfs_nindir);
    105 
    106 	printf("%s%d\t%s%d\t%s%d\t%s%d\n",
    107 	       "nseg	 ", lfsp->lfs_nseg,
    108 	       "nspf	 ", lfsp->lfs_nspf,
    109 	       "cleansz	 ", lfsp->lfs_cleansz,
    110 	       "segtabsz ", lfsp->lfs_segtabsz);
    111 
    112 	printf("%s%x\t%s%d\t%s%lx\t%s%d\n",
    113 	       "segmask	 ", lfsp->lfs_segmask,
    114 	       "segshift ", lfsp->lfs_segshift,
    115 	       "bmask	 ", (unsigned long)lfsp->lfs_bmask,
    116 	       "bshift	 ", lfsp->lfs_bshift);
    117 
    118 	printf("%s%lu\t%s%d\t%s%lx\t%s%u\n",
    119 	       "ffmask	 ", (unsigned long)lfsp->lfs_ffmask,
    120 	       "ffshift	 ", lfsp->lfs_ffshift,
    121 	       "fbmask	 ", (unsigned long)lfsp->lfs_fbmask,
    122 	       "fbshift	 ", lfsp->lfs_fbshift);
    123 
    124 	printf("%s%d\t%s%d\t%s%x\t%s%qx\n",
    125 	       "sushift	 ", lfsp->lfs_sushift,
    126 	       "fsbtodb	 ", lfsp->lfs_fsbtodb,
    127 	       "cksum	 ", lfsp->lfs_cksum,
    128 	       "maxfilesize ", (long long)lfsp->lfs_maxfilesize);
    129 
    130 	printf("Superblock disk addresses:");
    131 	for (i = 0; i < LFS_MAXNUMSB; i++)
    132 		printf(" %x", lfsp->lfs_sboffs[i]);
    133 	printf("\n");
    134 
    135 	printf("Checkpoint Info\n");
    136 	printf("%s%d\t%s%x\t%s%d\n",
    137 	       "free	 ", lfsp->lfs_free,
    138 	       "idaddr	 ", lfsp->lfs_idaddr,
    139 	       "ifile	 ", lfsp->lfs_ifile);
    140 	printf("%s%x\t%s%d\t%s%x\t%s%x\t%s%x\t%s%x\n",
    141 	       "bfree	 ", lfsp->lfs_bfree,
    142 	       "nfiles	 ", lfsp->lfs_nfiles,
    143 	       "lastseg	 ", lfsp->lfs_lastseg,
    144 	       "nextseg	 ", lfsp->lfs_nextseg,
    145 	       "curseg	 ", lfsp->lfs_curseg,
    146 	       "offset	 ", lfsp->lfs_offset);
    147 	printf("tstamp	 %llx\n", (long long)lfsp->lfs_tstamp);
    148 }
    149 
    150 void
    151 lfs_dump_dinode(struct dinode *dip)
    152 {
    153 	int i;
    154 
    155 	printf("%s%u\t%s%d\t%s%u\t%s%u\t%s%qu\t%s%d\n",
    156 	       "mode   ", dip->di_mode,
    157 	       "nlink  ", dip->di_nlink,
    158 	       "uid    ", dip->di_uid,
    159 	       "gid    ", dip->di_gid,
    160 	       "size   ", (long long)dip->di_size,
    161 	       "blocks ", dip->di_blocks);
    162 	printf("inum  %d\n", dip->di_inumber);
    163 	printf("Direct Addresses\n");
    164 	for (i = 0; i < NDADDR; i++) {
    165 		printf("\t%x", dip->di_db[i]);
    166 		if ((i % 6) == 5)
    167 			printf("\n");
    168 	}
    169 	for (i = 0; i < NIADDR; i++)
    170 		printf("\t%x", dip->di_ib[i]);
    171 	printf("\n");
    172 }
    173 
    174 void
    175 lfs_check_segsum(struct lfs *fs, struct segment *sp, char *file, int line)
    176 {
    177 	int actual, i;
    178 #if 0
    179 	static int offset;
    180 #endif
    181 
    182 	if((actual = i = 1) == 1)
    183 		return; /* XXXX not checking this anymore, really */
    184 
    185 	if(sp->sum_bytes_left >= sizeof(FINFO) - sizeof(ufs_daddr_t)
    186 	   && sp->fip->fi_nblocks > 512) {
    187 		printf("%s:%d: fi_nblocks = %d\n",file,line,sp->fip->fi_nblocks);
    188 #ifdef DDB
    189 		Debugger();
    190 #endif
    191 	}
    192 
    193 	if(sp->sum_bytes_left > 484) {
    194 		printf("%s:%d: bad value (%d = -%d) for sum_bytes_left\n",
    195 		       file, line, sp->sum_bytes_left, fs->lfs_sumsize-sp->sum_bytes_left);
    196 		panic("too many bytes");
    197 	}
    198 
    199 	actual = fs->lfs_sumsize
    200 		/* amount taken up by FINFOs */
    201 		- ((char *)&(sp->fip->fi_blocks[sp->fip->fi_nblocks]) - (char *)(sp->segsum))
    202 			/* amount taken up by inode blocks */
    203 			- sizeof(ufs_daddr_t)*((sp->ninodes+INOPB(fs)-1) / INOPB(fs));
    204 #if 0
    205 	if(actual - sp->sum_bytes_left < offset)
    206 	{
    207 		printf("%s:%d: offset changed %d -> %d\n", file, line,
    208 		       offset, actual-sp->sum_bytes_left);
    209 		offset = actual - sp->sum_bytes_left;
    210 		/* panic("byte mismatch"); */
    211 	}
    212 #endif
    213 #if 0
    214 	if(actual != sp->sum_bytes_left)
    215 		printf("%s:%d: warning: segsum miscalc at %d (-%d => %d)\n",
    216 		       file, line, sp->sum_bytes_left,
    217 		       fs->lfs_sumsize-sp->sum_bytes_left,
    218 		       actual);
    219 #endif
    220 	if(sp->sum_bytes_left > 0
    221 	   && ((char *)(sp->segsum))[fs->lfs_sumsize
    222 				     - sizeof(ufs_daddr_t) * ((sp->ninodes+INOPB(fs)-1) / INOPB(fs))
    223 				     - sp->sum_bytes_left] != '\0') {
    224 		printf("%s:%d: warning: segsum overwrite at %d (-%d => %d)\n",
    225 		       file, line, sp->sum_bytes_left,
    226 		       fs->lfs_sumsize-sp->sum_bytes_left,
    227 		       actual);
    228 #ifdef DDB
    229 		Debugger();
    230 #endif
    231 	}
    232 }
    233 
    234 void
    235 lfs_check_bpp(struct lfs *fs, struct segment *sp, char *file, int line)
    236 {
    237 	daddr_t blkno;
    238 	struct buf **bpp;
    239 	struct vnode *devvp;
    240 
    241 	devvp = VTOI(fs->lfs_ivnode)->i_devvp;
    242 	blkno = (*(sp->bpp))->b_blkno;
    243 	for(bpp=sp->bpp; bpp < sp->cbpp; bpp++) {
    244 		if((*bpp)->b_blkno != blkno) {
    245 			if((*bpp)->b_vp == devvp) {
    246 				printf("Oops, would misplace raw block 0x%x at "
    247 				       "0x%x\n",
    248 				       (*bpp)->b_blkno,
    249 				       blkno);
    250 			} else {
    251 				printf("%s:%d: misplace ino %d lbn %d at "
    252 				       "0x%x instead of 0x%x\n",
    253 				       file, line,
    254 				       VTOI((*bpp)->b_vp)->i_number, (*bpp)->b_lblkno,
    255 				       blkno,
    256 				       (*bpp)->b_blkno);
    257 			}
    258 		}
    259 		blkno += fsbtodb(fs, btofsb(fs, (*bpp)->b_bcount));
    260 	}
    261 }
    262 #endif /* DEBUG */
    263