lfs_debug.c revision 1.32
1 /* $NetBSD: lfs_debug.c,v 1.32 2005/08/19 02:04:09 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 1.32 2005/08/19 02:04:09 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, const 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 curproc->p_pid); 99 } 100 return (VCALL(bp->b_vp, VOFFSET(vop_bwrite), &a)); 101 } 102 103 void lfs_dumplog(void) 104 { 105 int i; 106 const char *cp; 107 108 for (i = lfs_lognum; i != (lfs_lognum - 1) % LFS_LOGLENGTH; 109 i = (i + 1) % LFS_LOGLENGTH) 110 if (lfs_log[i].file) { 111 /* Only print out basename, for readability */ 112 cp = lfs_log[i].file; 113 while(*cp) 114 ++cp; 115 while(*cp != '/' && cp > lfs_log[i].file) 116 --cp; 117 118 printf("lbn %" PRId64 " %s %lx %d, %d %s\n", 119 lfs_log[i].block, 120 lfs_log[i].op, 121 lfs_log[i].flags, 122 lfs_log[i].pid, 123 lfs_log[i].line, 124 cp); 125 } 126 } 127 128 void 129 lfs_dump_super(struct lfs *lfsp) 130 { 131 int i; 132 133 printf("%s%x\t%s%x\t%s%d\t%s%d\n", 134 "magic ", lfsp->lfs_magic, 135 "version ", lfsp->lfs_version, 136 "size ", lfsp->lfs_size, 137 "ssize ", lfsp->lfs_ssize); 138 printf("%s%d\t%s%d\t%s%d\t%s%d\n", 139 "dsize ", lfsp->lfs_dsize, 140 "bsize ", lfsp->lfs_bsize, 141 "fsize ", lfsp->lfs_fsize, 142 "frag ", lfsp->lfs_frag); 143 144 printf("%s%d\t%s%d\t%s%d\t%s%d\n", 145 "minfree ", lfsp->lfs_minfree, 146 "inopb ", lfsp->lfs_inopb, 147 "ifpb ", lfsp->lfs_ifpb, 148 "nindir ", lfsp->lfs_nindir); 149 150 printf("%s%d\t%s%d\t%s%d\t%s%d\n", 151 "nseg ", lfsp->lfs_nseg, 152 "nspf ", lfsp->lfs_nspf, 153 "cleansz ", lfsp->lfs_cleansz, 154 "segtabsz ", lfsp->lfs_segtabsz); 155 156 printf("%s%x\t%s%d\t%s%lx\t%s%d\n", 157 "segmask ", lfsp->lfs_segmask, 158 "segshift ", lfsp->lfs_segshift, 159 "bmask ", (unsigned long)lfsp->lfs_bmask, 160 "bshift ", lfsp->lfs_bshift); 161 162 printf("%s%lu\t%s%d\t%s%lx\t%s%u\n", 163 "ffmask ", (unsigned long)lfsp->lfs_ffmask, 164 "ffshift ", lfsp->lfs_ffshift, 165 "fbmask ", (unsigned long)lfsp->lfs_fbmask, 166 "fbshift ", lfsp->lfs_fbshift); 167 168 printf("%s%d\t%s%d\t%s%x\t%s%qx\n", 169 "sushift ", lfsp->lfs_sushift, 170 "fsbtodb ", lfsp->lfs_fsbtodb, 171 "cksum ", lfsp->lfs_cksum, 172 "maxfilesize ", (long long)lfsp->lfs_maxfilesize); 173 174 printf("Superblock disk addresses:"); 175 for (i = 0; i < LFS_MAXNUMSB; i++) 176 printf(" %x", lfsp->lfs_sboffs[i]); 177 printf("\n"); 178 179 printf("Checkpoint Info\n"); 180 printf("%s%d\t%s%x\t%s%d\n", 181 "freehd ", lfsp->lfs_freehd, 182 "idaddr ", lfsp->lfs_idaddr, 183 "ifile ", lfsp->lfs_ifile); 184 printf("%s%x\t%s%d\t%s%x\t%s%x\t%s%x\t%s%x\n", 185 "bfree ", lfsp->lfs_bfree, 186 "nfiles ", lfsp->lfs_nfiles, 187 "lastseg ", lfsp->lfs_lastseg, 188 "nextseg ", lfsp->lfs_nextseg, 189 "curseg ", lfsp->lfs_curseg, 190 "offset ", lfsp->lfs_offset); 191 printf("tstamp %llx\n", (long long)lfsp->lfs_tstamp); 192 } 193 194 void 195 lfs_dump_dinode(struct ufs1_dinode *dip) 196 { 197 int i; 198 199 printf("%s%u\t%s%d\t%s%u\t%s%u\t%s%qu\t%s%d\n", 200 "mode ", dip->di_mode, 201 "nlink ", dip->di_nlink, 202 "uid ", dip->di_uid, 203 "gid ", dip->di_gid, 204 "size ", (long long)dip->di_size, 205 "blocks ", dip->di_blocks); 206 printf("inum %d\n", dip->di_inumber); 207 printf("Direct Addresses\n"); 208 for (i = 0; i < NDADDR; i++) { 209 printf("\t%x", dip->di_db[i]); 210 if ((i % 6) == 5) 211 printf("\n"); 212 } 213 for (i = 0; i < NIADDR; i++) 214 printf("\t%x", dip->di_ib[i]); 215 printf("\n"); 216 } 217 218 void 219 lfs_check_segsum(struct lfs *fs, struct segment *sp, char *file, int line) 220 { 221 int actual; 222 #if 0 223 static int offset; 224 #endif 225 226 if ((actual = 1) == 1) 227 return; /* XXXX not checking this anymore, really */ 228 229 if (sp->sum_bytes_left >= FINFOSIZE 230 && sp->fip->fi_nblocks > 512) { 231 printf("%s:%d: fi_nblocks = %d\n",file,line,sp->fip->fi_nblocks); 232 #ifdef DDB 233 Debugger(); 234 #endif 235 } 236 237 if (sp->sum_bytes_left > 484) { 238 printf("%s:%d: bad value (%d = -%d) for sum_bytes_left\n", 239 file, line, sp->sum_bytes_left, fs->lfs_sumsize-sp->sum_bytes_left); 240 panic("too many bytes"); 241 } 242 243 actual = fs->lfs_sumsize 244 /* amount taken up by FINFOs */ 245 - ((char *)&(sp->fip->fi_blocks[sp->fip->fi_nblocks]) - (char *)(sp->segsum)) 246 /* amount taken up by inode blocks */ 247 - sizeof(int32_t)*((sp->ninodes+INOPB(fs)-1) / INOPB(fs)); 248 #if 0 249 if (actual - sp->sum_bytes_left < offset) 250 { 251 printf("%s:%d: offset changed %d -> %d\n", file, line, 252 offset, actual-sp->sum_bytes_left); 253 offset = actual - sp->sum_bytes_left; 254 /* panic("byte mismatch"); */ 255 } 256 #endif 257 #if 0 258 if (actual != sp->sum_bytes_left) 259 printf("%s:%d: warning: segsum miscalc at %d (-%d => %d)\n", 260 file, line, sp->sum_bytes_left, 261 fs->lfs_sumsize-sp->sum_bytes_left, 262 actual); 263 #endif 264 if (sp->sum_bytes_left > 0 265 && ((char *)(sp->segsum))[fs->lfs_sumsize 266 - sizeof(int32_t) * ((sp->ninodes+INOPB(fs)-1) / INOPB(fs)) 267 - sp->sum_bytes_left] != '\0') { 268 printf("%s:%d: warning: segsum overwrite at %d (-%d => %d)\n", 269 file, line, sp->sum_bytes_left, 270 fs->lfs_sumsize-sp->sum_bytes_left, 271 actual); 272 #ifdef DDB 273 Debugger(); 274 #endif 275 } 276 } 277 278 void 279 lfs_check_bpp(struct lfs *fs, struct segment *sp, char *file, int line) 280 { 281 daddr_t blkno; 282 struct buf **bpp; 283 struct vnode *devvp; 284 285 devvp = VTOI(fs->lfs_ivnode)->i_devvp; 286 blkno = (*(sp->bpp))->b_blkno; 287 for (bpp = sp->bpp; bpp < sp->cbpp; bpp++) { 288 if ((*bpp)->b_blkno != blkno) { 289 if ((*bpp)->b_vp == devvp) { 290 printf("Oops, would misplace raw block " 291 "0x%" PRIx64 " at 0x%" PRIx64 "\n", 292 (*bpp)->b_blkno, 293 blkno); 294 } else { 295 printf("%s:%d: misplace ino %llu lbn %" PRId64 296 " at 0x%" PRIx64 " instead of " 297 "0x%" PRIx64 "\n", 298 file, line, 299 (unsigned long long) 300 VTOI((*bpp)->b_vp)->i_number, 301 (*bpp)->b_lblkno, 302 blkno, 303 (*bpp)->b_blkno); 304 } 305 } 306 blkno += fsbtodb(fs, btofsb(fs, (*bpp)->b_bcount)); 307 } 308 } 309 310 int lfs_debug_log_subsys[DLOG_MAX]; 311 312 /* 313 * Log events from various debugging areas of LFS, depending on what 314 * the user has enabled. 315 */ 316 void 317 lfs_debug_log(int subsys, const char *fmt, ...) 318 { 319 va_list ap; 320 321 /* If not debugging this subsys, exit */ 322 if (lfs_debug_log_subsys[subsys] == 0) 323 return; 324 325 va_start(ap, fmt); 326 vlog(LOG_DEBUG, fmt, ap); 327 va_end(ap); 328 } 329 #endif /* DEBUG */ 330
Indexes created Mon Sep 22 13:09:51 GMT 2025