lfs_debug.c revision 1.28
1 /* $NetBSD: lfs_debug.c,v 1.28 2005/03/26 19:39:08 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000, 2001, 2002, 2003 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. Neither the name of the University nor the names of its contributors 51 * may be used to endorse or promote products derived from this software 52 * without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 * 66 * @(#)lfs_debug.c 8.1 (Berkeley) 6/11/93 67 */ 68 69 #ifdef DEBUG 70 71 #include <machine/stdarg.h> 72 73 #include <sys/cdefs.h> 74 __KERNEL_RCSID(0, "$NetBSD: lfs_debug.c,v 1.28 2005/03/26 19:39:08 christos Exp $"); 75 #include <sys/param.h> 76 #include <sys/systm.h> 77 #include <sys/namei.h> 78 #include <sys/vnode.h> 79 #include <sys/mount.h> 80 #include <sys/buf.h> 81 #include <sys/syslog.h> 82 83 #include <ufs/ufs/inode.h> 84 #include <ufs/lfs/lfs.h> 85 #include <ufs/lfs/lfs_extern.h> 86 87 int lfs_lognum; 88 struct lfs_log_entry lfs_log[LFS_LOGLENGTH]; 89 90 int lfs_bwrite_log(struct buf *bp, char *file, int line) 91 { 92 struct vop_bwrite_args a; 93 a.a_desc = VDESC(vop_bwrite); 94 a.a_bp = bp; 95 96 if (!(bp->b_flags & (B_DELWRI | B_GATHERED))) 97 LFS_ENTER_LOG("write", file, line, bp->b_lblkno, bp->b_flags); 98 return (VCALL(bp->b_vp, VOFFSET(vop_bwrite), &a)); 99 } 100 101 void lfs_dumplog(void) 102 { 103 int i; 104 105 for (i = lfs_lognum; i != (lfs_lognum - 1) % LFS_LOGLENGTH; i = (i + 1) % LFS_LOGLENGTH) 106 if (lfs_log[i].file) { 107 printf("lbn %" PRId64 " %s %lx %d %s\n", 108 lfs_log[i].block, 109 lfs_log[i].op, 110 lfs_log[i].flags, 111 lfs_log[i].line, 112 lfs_log[i].file + 56); 113 } 114 } 115 116 void 117 lfs_dump_super(struct lfs *lfsp) 118 { 119 int i; 120 121 printf("%s%x\t%s%x\t%s%d\t%s%d\n", 122 "magic ", lfsp->lfs_magic, 123 "version ", lfsp->lfs_version, 124 "size ", lfsp->lfs_size, 125 "ssize ", lfsp->lfs_ssize); 126 printf("%s%d\t%s%d\t%s%d\t%s%d\n", 127 "dsize ", lfsp->lfs_dsize, 128 "bsize ", lfsp->lfs_bsize, 129 "fsize ", lfsp->lfs_fsize, 130 "frag ", lfsp->lfs_frag); 131 132 printf("%s%d\t%s%d\t%s%d\t%s%d\n", 133 "minfree ", lfsp->lfs_minfree, 134 "inopb ", lfsp->lfs_inopb, 135 "ifpb ", lfsp->lfs_ifpb, 136 "nindir ", lfsp->lfs_nindir); 137 138 printf("%s%d\t%s%d\t%s%d\t%s%d\n", 139 "nseg ", lfsp->lfs_nseg, 140 "nspf ", lfsp->lfs_nspf, 141 "cleansz ", lfsp->lfs_cleansz, 142 "segtabsz ", lfsp->lfs_segtabsz); 143 144 printf("%s%x\t%s%d\t%s%lx\t%s%d\n", 145 "segmask ", lfsp->lfs_segmask, 146 "segshift ", lfsp->lfs_segshift, 147 "bmask ", (unsigned long)lfsp->lfs_bmask, 148 "bshift ", lfsp->lfs_bshift); 149 150 printf("%s%lu\t%s%d\t%s%lx\t%s%u\n", 151 "ffmask ", (unsigned long)lfsp->lfs_ffmask, 152 "ffshift ", lfsp->lfs_ffshift, 153 "fbmask ", (unsigned long)lfsp->lfs_fbmask, 154 "fbshift ", lfsp->lfs_fbshift); 155 156 printf("%s%d\t%s%d\t%s%x\t%s%qx\n", 157 "sushift ", lfsp->lfs_sushift, 158 "fsbtodb ", lfsp->lfs_fsbtodb, 159 "cksum ", lfsp->lfs_cksum, 160 "maxfilesize ", (long long)lfsp->lfs_maxfilesize); 161 162 printf("Superblock disk addresses:"); 163 for (i = 0; i < LFS_MAXNUMSB; i++) 164 printf(" %x", lfsp->lfs_sboffs[i]); 165 printf("\n"); 166 167 printf("Checkpoint Info\n"); 168 printf("%s%d\t%s%x\t%s%d\n", 169 "freehd ", lfsp->lfs_freehd, 170 "idaddr ", lfsp->lfs_idaddr, 171 "ifile ", lfsp->lfs_ifile); 172 printf("%s%x\t%s%d\t%s%x\t%s%x\t%s%x\t%s%x\n", 173 "bfree ", lfsp->lfs_bfree, 174 "nfiles ", lfsp->lfs_nfiles, 175 "lastseg ", lfsp->lfs_lastseg, 176 "nextseg ", lfsp->lfs_nextseg, 177 "curseg ", lfsp->lfs_curseg, 178 "offset ", lfsp->lfs_offset); 179 printf("tstamp %llx\n", (long long)lfsp->lfs_tstamp); 180 } 181 182 void 183 lfs_dump_dinode(struct ufs1_dinode *dip) 184 { 185 int i; 186 187 printf("%s%u\t%s%d\t%s%u\t%s%u\t%s%qu\t%s%d\n", 188 "mode ", dip->di_mode, 189 "nlink ", dip->di_nlink, 190 "uid ", dip->di_uid, 191 "gid ", dip->di_gid, 192 "size ", (long long)dip->di_size, 193 "blocks ", dip->di_blocks); 194 printf("inum %d\n", dip->di_inumber); 195 printf("Direct Addresses\n"); 196 for (i = 0; i < NDADDR; i++) { 197 printf("\t%x", dip->di_db[i]); 198 if ((i % 6) == 5) 199 printf("\n"); 200 } 201 for (i = 0; i < NIADDR; i++) 202 printf("\t%x", dip->di_ib[i]); 203 printf("\n"); 204 } 205 206 void 207 lfs_check_segsum(struct lfs *fs, struct segment *sp, char *file, int line) 208 { 209 int actual; 210 #if 0 211 static int offset; 212 #endif 213 214 if ((actual = 1) == 1) 215 return; /* XXXX not checking this anymore, really */ 216 217 if (sp->sum_bytes_left >= FINFOSIZE 218 && sp->fip->fi_nblocks > 512) { 219 printf("%s:%d: fi_nblocks = %d\n",file,line,sp->fip->fi_nblocks); 220 #ifdef DDB 221 Debugger(); 222 #endif 223 } 224 225 if (sp->sum_bytes_left > 484) { 226 printf("%s:%d: bad value (%d = -%d) for sum_bytes_left\n", 227 file, line, sp->sum_bytes_left, fs->lfs_sumsize-sp->sum_bytes_left); 228 panic("too many bytes"); 229 } 230 231 actual = fs->lfs_sumsize 232 /* amount taken up by FINFOs */ 233 - ((char *)&(sp->fip->fi_blocks[sp->fip->fi_nblocks]) - (char *)(sp->segsum)) 234 /* amount taken up by inode blocks */ 235 - sizeof(int32_t)*((sp->ninodes+INOPB(fs)-1) / INOPB(fs)); 236 #if 0 237 if (actual - sp->sum_bytes_left < offset) 238 { 239 printf("%s:%d: offset changed %d -> %d\n", file, line, 240 offset, actual-sp->sum_bytes_left); 241 offset = actual - sp->sum_bytes_left; 242 /* panic("byte mismatch"); */ 243 } 244 #endif 245 #if 0 246 if (actual != sp->sum_bytes_left) 247 printf("%s:%d: warning: segsum miscalc at %d (-%d => %d)\n", 248 file, line, sp->sum_bytes_left, 249 fs->lfs_sumsize-sp->sum_bytes_left, 250 actual); 251 #endif 252 if (sp->sum_bytes_left > 0 253 && ((char *)(sp->segsum))[fs->lfs_sumsize 254 - sizeof(int32_t) * ((sp->ninodes+INOPB(fs)-1) / INOPB(fs)) 255 - sp->sum_bytes_left] != '\0') { 256 printf("%s:%d: warning: segsum overwrite at %d (-%d => %d)\n", 257 file, line, sp->sum_bytes_left, 258 fs->lfs_sumsize-sp->sum_bytes_left, 259 actual); 260 #ifdef DDB 261 Debugger(); 262 #endif 263 } 264 } 265 266 void 267 lfs_check_bpp(struct lfs *fs, struct segment *sp, char *file, int line) 268 { 269 daddr_t blkno; 270 struct buf **bpp; 271 struct vnode *devvp; 272 273 devvp = VTOI(fs->lfs_ivnode)->i_devvp; 274 blkno = (*(sp->bpp))->b_blkno; 275 for (bpp = sp->bpp; bpp < sp->cbpp; bpp++) { 276 if ((*bpp)->b_blkno != blkno) { 277 if ((*bpp)->b_vp == devvp) { 278 printf("Oops, would misplace raw block " 279 "0x%" PRIx64 " at 0x%" PRIx64 "\n", 280 (*bpp)->b_blkno, 281 blkno); 282 } else { 283 printf("%s:%d: misplace ino %d lbn %" PRId64 284 " at 0x%" PRIx64 " instead of " 285 "0x%" PRIx64 "\n", 286 file, line, 287 VTOI((*bpp)->b_vp)->i_number, (*bpp)->b_lblkno, 288 blkno, 289 (*bpp)->b_blkno); 290 } 291 } 292 blkno += fsbtodb(fs, btofsb(fs, (*bpp)->b_bcount)); 293 } 294 } 295 296 int lfs_debug_log_subsys[DLOG_MAX]; 297 298 /* 299 * Log events from various debugging areas of LFS, depending on what 300 * the user has enabled. 301 */ 302 void 303 lfs_debug_log(int subsys, const char *fmt, ...) 304 { 305 va_list ap; 306 307 /* If not debugging this subsys, exit */ 308 if (lfs_debug_log_subsys[subsys] == 0) 309 return; 310 311 va_start(fmt, ap); 312 vlog(LOG_DEBUG, fmt, ap); 313 va_end(ap); 314 } 315 #endif /* DEBUG */ 316
Indexes created Tue Sep 23 07:09:52 GMT 2025