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lfs_debug.c revision 1.9
      1 /*	$NetBSD: lfs_debug.c,v 1.9 1999/03/10 00:20:00 perseant Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 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/quota.h>
     81 #include <ufs/ufs/inode.h>
     82 #include <ufs/lfs/lfs.h>
     83 #include <ufs/lfs/lfs_extern.h>
     84 
     85 void
     86 lfs_dump_super(lfsp)
     87 	struct lfs *lfsp;
     88 {
     89 	int i;
     90 
     91 	printf("%s%x\t%s%x\t%s%d\t%s%d\n",
     92 	       "magic	 ", lfsp->lfs_magic,
     93 	       "version	 ", lfsp->lfs_version,
     94 	       "size	 ", lfsp->lfs_size,
     95 	       "ssize	 ", lfsp->lfs_ssize);
     96 	printf("%s%d\t%s%d\t%s%d\t%s%d\n",
     97 	       "dsize	 ", lfsp->lfs_dsize,
     98 	       "bsize	 ", lfsp->lfs_bsize,
     99 	       "fsize	 ", lfsp->lfs_fsize,
    100 	       "frag	 ", lfsp->lfs_frag);
    101 
    102 	printf("%s%d\t%s%d\t%s%d\t%s%d\n",
    103 	       "minfree	 ", lfsp->lfs_minfree,
    104 	       "inopb	 ", lfsp->lfs_inopb,
    105 	       "ifpb	 ", lfsp->lfs_ifpb,
    106 	       "nindir	 ", lfsp->lfs_nindir);
    107 
    108 	printf("%s%d\t%s%d\t%s%d\t%s%d\n",
    109 	       "nseg	 ", lfsp->lfs_nseg,
    110 	       "nspf	 ", lfsp->lfs_nspf,
    111 	       "cleansz	 ", lfsp->lfs_cleansz,
    112 	       "segtabsz ", lfsp->lfs_segtabsz);
    113 
    114 	printf("%s%x\t%s%d\t%s%lx\t%s%d\n",
    115 	       "segmask	 ", lfsp->lfs_segmask,
    116 	       "segshift ", lfsp->lfs_segshift,
    117 	       "bmask	 ", (unsigned long)lfsp->lfs_bmask,
    118 	       "bshift	 ", lfsp->lfs_bshift);
    119 
    120 	printf("%s%lu\t%s%d\t%s%lx\t%s%u\n",
    121 	       "ffmask	 ", (unsigned long)lfsp->lfs_ffmask,
    122 	       "ffshift	 ", lfsp->lfs_ffshift,
    123 	       "fbmask	 ", (unsigned long)lfsp->lfs_fbmask,
    124 	       "fbshift	 ", lfsp->lfs_fbshift);
    125 
    126 	printf("%s%d\t%s%d\t%s%x\t%s%qx\n",
    127 	       "sushift	 ", lfsp->lfs_sushift,
    128 	       "fsbtodb	 ", lfsp->lfs_fsbtodb,
    129 	       "cksum	 ", lfsp->lfs_cksum,
    130 	       "maxfilesize ", (long long)lfsp->lfs_maxfilesize);
    131 
    132 	printf("Superblock disk addresses:");
    133 	for (i = 0; i < LFS_MAXNUMSB; i++)
    134 		printf(" %x", lfsp->lfs_sboffs[i]);
    135 	printf("\n");
    136 
    137 	printf("Checkpoint Info\n");
    138 	printf("%s%d\t%s%x\t%s%d\n",
    139 	       "free	 ", lfsp->lfs_free,
    140 	       "idaddr	 ", lfsp->lfs_idaddr,
    141 	       "ifile	 ", lfsp->lfs_ifile);
    142 	printf("%s%x\t%s%d\t%s%x\t%s%x\t%s%x\t%s%x\n",
    143 	       "bfree	 ", lfsp->lfs_bfree,
    144 	       "nfiles	 ", lfsp->lfs_nfiles,
    145 	       "lastseg	 ", lfsp->lfs_lastseg,
    146 	       "nextseg	 ", lfsp->lfs_nextseg,
    147 	       "curseg	 ", lfsp->lfs_curseg,
    148 	       "offset	 ", lfsp->lfs_offset);
    149 	printf("tstamp	 %x\n", lfsp->lfs_tstamp);
    150 }
    151 
    152 void
    153 lfs_dump_dinode(dip)
    154 	struct dinode *dip;
    155 {
    156 	int i;
    157 
    158 	printf("%s%u\t%s%d\t%s%u\t%s%u\t%s%qu\n",
    159 	       "mode  ", dip->di_mode,
    160 	       "nlink ", dip->di_nlink,
    161 	       "uid   ", dip->di_uid,
    162 	       "gid   ", dip->di_gid,
    163 	       "size  ", (long long)dip->di_size);
    164 	printf("inum  %d\n", dip->di_inumber);
    165 	printf("Direct Addresses\n");
    166 	for (i = 0; i < NDADDR; i++) {
    167 		printf("\t%x", dip->di_db[i]);
    168 		if ((i % 6) == 5)
    169 			printf("\n");
    170 	}
    171 	for (i = 0; i < NIADDR; i++)
    172 		printf("\t%x", dip->di_ib[i]);
    173 	printf("\n");
    174 }
    175 
    176 void
    177 lfs_check_segsum(struct lfs *fs, struct segment *sp, char *file, int line)
    178 {
    179 	int actual, i;
    180 #if 0
    181 	static int offset;
    182 #endif
    183 
    184 	if((actual = i = 1) == 1)
    185 		return; /* XXXX not checking this anymore, really */
    186 
    187 	if(sp->sum_bytes_left >= sizeof(FINFO) - sizeof(ufs_daddr_t)
    188 	   && sp->fip->fi_nblocks > 512) {
    189 		printf("%s:%d: fi_nblocks = %d\n",file,line,sp->fip->fi_nblocks);
    190 #ifdef DDB
    191 		Debugger();
    192 #endif
    193 	}
    194 
    195 	if(sp->sum_bytes_left > 484) {
    196 		printf("%s:%d: bad value (%d = -%d) for sum_bytes_left\n",
    197 		       file, line, sp->sum_bytes_left, LFS_SUMMARY_SIZE-sp->sum_bytes_left);
    198 		panic("too many bytes");
    199 	}
    200 
    201 	actual = LFS_SUMMARY_SIZE
    202 		/* amount taken up by FINFOs */
    203 		- ((char *)&(sp->fip->fi_blocks[sp->fip->fi_nblocks]) - (char *)(sp->segsum))
    204 			/* amount taken up by inode blocks */
    205 			- sizeof(ufs_daddr_t)*((sp->ninodes+INOPB(fs)-1) / INOPB(fs));
    206 #if 0
    207 	if(actual - sp->sum_bytes_left < offset)
    208 	{
    209 		printf("%s:%d: offset changed %d -> %d\n", file, line,
    210 		       offset, actual-sp->sum_bytes_left);
    211 		offset = actual - sp->sum_bytes_left;
    212 		/* panic("byte mismatch"); */
    213 	}
    214 #endif
    215 #if 0
    216 	if(actual != sp->sum_bytes_left)
    217 		printf("%s:%d: warning: segsum miscalc at %d (-%d => %d)\n",
    218 		       file, line, sp->sum_bytes_left,
    219 		       LFS_SUMMARY_SIZE-sp->sum_bytes_left,
    220 		       actual);
    221 #endif
    222 	if(sp->sum_bytes_left > 0
    223 	   && ((char *)(sp->segsum))[LFS_SUMMARY_SIZE
    224 				     - sizeof(ufs_daddr_t) * ((sp->ninodes+INOPB(fs)-1) / INOPB(fs))
    225 				     - sp->sum_bytes_left] != '\0') {
    226 		printf("%s:%d: warning: segsum overwrite at %d (-%d => %d)\n",
    227 		       file, line, sp->sum_bytes_left,
    228 		       LFS_SUMMARY_SIZE-sp->sum_bytes_left,
    229 		       actual);
    230 #ifdef DDB
    231 		Debugger();
    232 #endif
    233 	}
    234 }
    235 
    236 void
    237 lfs_check_bpp(fs, sp, file, line)
    238 	struct lfs *fs;
    239 	struct segment *sp;
    240 	char *file;
    241 	int line;
    242 {
    243 	daddr_t blkno;
    244 	struct buf **bpp;
    245 	struct vnode *devvp;
    246 
    247 	devvp = VTOI(fs->lfs_ivnode)->i_devvp;
    248 	blkno = (*(sp->bpp))->b_blkno;
    249 	for(bpp=sp->bpp; bpp < sp->cbpp; bpp++) {
    250 		if((*bpp)->b_blkno != blkno) {
    251 			if((*bpp)->b_vp == devvp) {
    252 				printf("Oops, would misplace raw block 0x%x at "
    253 				       "0x%x\n",
    254 				       (*bpp)->b_blkno,
    255 				       blkno);
    256 			} else {
    257 				printf("%s:%d: misplace ino %d lbn %d at "
    258 				       "0x%x instead of 0x%x\n",
    259 				       file, line,
    260 				       VTOI((*bpp)->b_vp)->i_number, (*bpp)->b_lblkno,
    261 				       blkno,
    262 				       (*bpp)->b_blkno);
    263 			}
    264 		}
    265 		blkno += (*bpp)->b_bcount / DEV_BSIZE;
    266 	}
    267 }
    268 #endif /* DEBUG */
    269