lfs_debug.c revision 1.34.12.1
1 /* $NetBSD: lfs_debug.c,v 1.34.12.1 2008/02/18 21:07:28 mjf 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 #include <sys/cdefs.h> 70 __KERNEL_RCSID(0, "$NetBSD: lfs_debug.c,v 1.34.12.1 2008/02/18 21:07:28 mjf Exp $"); 71 72 #ifdef DEBUG 73 74 #include <machine/stdarg.h> 75 76 #include <sys/cdefs.h> 77 __KERNEL_RCSID(0, "$NetBSD: lfs_debug.c,v 1.34.12.1 2008/02/18 21:07:28 mjf Exp $"); 78 #include <sys/param.h> 79 #include <sys/systm.h> 80 #include <sys/namei.h> 81 #include <sys/vnode.h> 82 #include <sys/mount.h> 83 #include <sys/buf.h> 84 #include <sys/syslog.h> 85 #include <sys/proc.h> 86 87 #include <ufs/ufs/inode.h> 88 #include <ufs/lfs/lfs.h> 89 #include <ufs/lfs/lfs_extern.h> 90 91 int lfs_lognum; 92 struct lfs_log_entry lfs_log[LFS_LOGLENGTH]; 93 94 int lfs_bwrite_log(struct buf *bp, const char *file, int line) 95 { 96 struct vop_bwrite_args a; 97 a.a_desc = VDESC(vop_bwrite); 98 a.a_bp = bp; 99 100 if (!(bp->b_flags & B_GATHERED) && !(bp->b_oflags & BO_DELWRI)) { 101 LFS_ENTER_LOG("write", file, line, bp->b_lblkno, bp->b_flags, 102 curproc->p_pid); 103 } 104 return (VCALL(bp->b_vp, VOFFSET(vop_bwrite), &a)); 105 } 106 107 void lfs_dumplog(void) 108 { 109 int i; 110 const char *cp; 111 112 for (i = lfs_lognum; i != (lfs_lognum - 1) % LFS_LOGLENGTH; 113 i = (i + 1) % LFS_LOGLENGTH) 114 if (lfs_log[i].file) { 115 /* Only print out basename, for readability */ 116 cp = lfs_log[i].file; 117 while(*cp) 118 ++cp; 119 while(*cp != '/' && cp > lfs_log[i].file) 120 --cp; 121 122 printf("lbn %" PRId64 " %s %lx %d, %d %s\n", 123 lfs_log[i].block, 124 lfs_log[i].op, 125 lfs_log[i].flags, 126 lfs_log[i].pid, 127 lfs_log[i].line, 128 cp); 129 } 130 } 131 132 void 133 lfs_dump_super(struct lfs *lfsp) 134 { 135 int i; 136 137 printf("%s%x\t%s%x\t%s%d\t%s%d\n", 138 "magic ", lfsp->lfs_magic, 139 "version ", lfsp->lfs_version, 140 "size ", lfsp->lfs_size, 141 "ssize ", lfsp->lfs_ssize); 142 printf("%s%d\t%s%d\t%s%d\t%s%d\n", 143 "dsize ", lfsp->lfs_dsize, 144 "bsize ", lfsp->lfs_bsize, 145 "fsize ", lfsp->lfs_fsize, 146 "frag ", lfsp->lfs_frag); 147 148 printf("%s%d\t%s%d\t%s%d\t%s%d\n", 149 "minfree ", lfsp->lfs_minfree, 150 "inopb ", lfsp->lfs_inopb, 151 "ifpb ", lfsp->lfs_ifpb, 152 "nindir ", lfsp->lfs_nindir); 153 154 printf("%s%d\t%s%d\t%s%d\t%s%d\n", 155 "nseg ", lfsp->lfs_nseg, 156 "nspf ", lfsp->lfs_nspf, 157 "cleansz ", lfsp->lfs_cleansz, 158 "segtabsz ", lfsp->lfs_segtabsz); 159 160 printf("%s%x\t%s%d\t%s%lx\t%s%d\n", 161 "segmask ", lfsp->lfs_segmask, 162 "segshift ", lfsp->lfs_segshift, 163 "bmask ", (unsigned long)lfsp->lfs_bmask, 164 "bshift ", lfsp->lfs_bshift); 165 166 printf("%s%lu\t%s%d\t%s%lx\t%s%u\n", 167 "ffmask ", (unsigned long)lfsp->lfs_ffmask, 168 "ffshift ", lfsp->lfs_ffshift, 169 "fbmask ", (unsigned long)lfsp->lfs_fbmask, 170 "fbshift ", lfsp->lfs_fbshift); 171 172 printf("%s%d\t%s%d\t%s%x\t%s%qx\n", 173 "sushift ", lfsp->lfs_sushift, 174 "fsbtodb ", lfsp->lfs_fsbtodb, 175 "cksum ", lfsp->lfs_cksum, 176 "maxfilesize ", (long long)lfsp->lfs_maxfilesize); 177 178 printf("Superblock disk addresses:"); 179 for (i = 0; i < LFS_MAXNUMSB; i++) 180 printf(" %x", lfsp->lfs_sboffs[i]); 181 printf("\n"); 182 183 printf("Checkpoint Info\n"); 184 printf("%s%d\t%s%x\t%s%d\n", 185 "freehd ", lfsp->lfs_freehd, 186 "idaddr ", lfsp->lfs_idaddr, 187 "ifile ", lfsp->lfs_ifile); 188 printf("%s%x\t%s%d\t%s%x\t%s%x\t%s%x\t%s%x\n", 189 "bfree ", lfsp->lfs_bfree, 190 "nfiles ", lfsp->lfs_nfiles, 191 "lastseg ", lfsp->lfs_lastseg, 192 "nextseg ", lfsp->lfs_nextseg, 193 "curseg ", lfsp->lfs_curseg, 194 "offset ", lfsp->lfs_offset); 195 printf("tstamp %llx\n", (long long)lfsp->lfs_tstamp); 196 } 197 198 void 199 lfs_dump_dinode(struct ufs1_dinode *dip) 200 { 201 int i; 202 203 printf("%s%u\t%s%d\t%s%u\t%s%u\t%s%qu\t%s%d\n", 204 "mode ", dip->di_mode, 205 "nlink ", dip->di_nlink, 206 "uid ", dip->di_uid, 207 "gid ", dip->di_gid, 208 "size ", (long long)dip->di_size, 209 "blocks ", dip->di_blocks); 210 printf("inum %d\n", dip->di_inumber); 211 printf("Direct Addresses\n"); 212 for (i = 0; i < NDADDR; i++) { 213 printf("\t%x", dip->di_db[i]); 214 if ((i % 6) == 5) 215 printf("\n"); 216 } 217 for (i = 0; i < NIADDR; i++) 218 printf("\t%x", dip->di_ib[i]); 219 printf("\n"); 220 } 221 222 void 223 lfs_check_segsum(struct lfs *fs, struct segment *sp, char *file, int line) 224 { 225 int actual; 226 #if 0 227 static int offset; 228 #endif 229 230 if ((actual = 1) == 1) 231 return; /* XXXX not checking this anymore, really */ 232 233 if (sp->sum_bytes_left >= FINFOSIZE 234 && sp->fip->fi_nblocks > 512) { 235 printf("%s:%d: fi_nblocks = %d\n",file,line,sp->fip->fi_nblocks); 236 #ifdef DDB 237 Debugger(); 238 #endif 239 } 240 241 if (sp->sum_bytes_left > 484) { 242 printf("%s:%d: bad value (%d = -%d) for sum_bytes_left\n", 243 file, line, sp->sum_bytes_left, fs->lfs_sumsize-sp->sum_bytes_left); 244 panic("too many bytes"); 245 } 246 247 actual = fs->lfs_sumsize 248 /* amount taken up by FINFOs */ 249 - ((char *)&(sp->fip->fi_blocks[sp->fip->fi_nblocks]) - (char *)(sp->segsum)) 250 /* amount taken up by inode blocks */ 251 - sizeof(int32_t)*((sp->ninodes+INOPB(fs)-1) / INOPB(fs)); 252 #if 0 253 if (actual - sp->sum_bytes_left < offset) 254 { 255 printf("%s:%d: offset changed %d -> %d\n", file, line, 256 offset, actual-sp->sum_bytes_left); 257 offset = actual - sp->sum_bytes_left; 258 /* panic("byte mismatch"); */ 259 } 260 #endif 261 #if 0 262 if (actual != sp->sum_bytes_left) 263 printf("%s:%d: warning: segsum miscalc at %d (-%d => %d)\n", 264 file, line, sp->sum_bytes_left, 265 fs->lfs_sumsize-sp->sum_bytes_left, 266 actual); 267 #endif 268 if (sp->sum_bytes_left > 0 269 && ((char *)(sp->segsum))[fs->lfs_sumsize 270 - sizeof(int32_t) * ((sp->ninodes+INOPB(fs)-1) / INOPB(fs)) 271 - sp->sum_bytes_left] != '\0') { 272 printf("%s:%d: warning: segsum overwrite at %d (-%d => %d)\n", 273 file, line, sp->sum_bytes_left, 274 fs->lfs_sumsize-sp->sum_bytes_left, 275 actual); 276 #ifdef DDB 277 Debugger(); 278 #endif 279 } 280 } 281 282 void 283 lfs_check_bpp(struct lfs *fs, struct segment *sp, char *file, int line) 284 { 285 daddr_t blkno; 286 struct buf **bpp; 287 struct vnode *devvp; 288 289 devvp = VTOI(fs->lfs_ivnode)->i_devvp; 290 blkno = (*(sp->bpp))->b_blkno; 291 for (bpp = sp->bpp; bpp < sp->cbpp; bpp++) { 292 if ((*bpp)->b_blkno != blkno) { 293 if ((*bpp)->b_vp == devvp) { 294 printf("Oops, would misplace raw block " 295 "0x%" PRIx64 " at 0x%" PRIx64 "\n", 296 (*bpp)->b_blkno, 297 blkno); 298 } else { 299 printf("%s:%d: misplace ino %llu lbn %" PRId64 300 " at 0x%" PRIx64 " instead of " 301 "0x%" PRIx64 "\n", 302 file, line, 303 (unsigned long long) 304 VTOI((*bpp)->b_vp)->i_number, 305 (*bpp)->b_lblkno, 306 blkno, 307 (*bpp)->b_blkno); 308 } 309 } 310 blkno += fsbtodb(fs, btofsb(fs, (*bpp)->b_bcount)); 311 } 312 } 313 314 int lfs_debug_log_subsys[DLOG_MAX]; 315 316 /* 317 * Log events from various debugging areas of LFS, depending on what 318 * the user has enabled. 319 */ 320 void 321 lfs_debug_log(int subsys, const char *fmt, ...) 322 { 323 va_list ap; 324 325 /* If not debugging this subsys, exit */ 326 if (lfs_debug_log_subsys[subsys] == 0) 327 return; 328 329 va_start(ap, fmt); 330 vlog(LOG_DEBUG, fmt, ap); 331 va_end(ap); 332 } 333 #endif /* DEBUG */ 334
Indexes created Wed Oct 01 19:09:53 GMT 2025