dumpfs.c revision 224025
1/* 2 * Copyright (c) 2009 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * This software was developed at the University of Cambridge Computer 6 * Laboratory with support from a grant from Google, Inc. 7 * 8 * Copyright (c) 2002 Networks Associates Technology, Inc. 9 * All rights reserved. 10 * 11 * This software was developed for the FreeBSD Project by Marshall 12 * Kirk McKusick and Network Associates Laboratories, the Security 13 * Research Division of Network Associates, Inc. under DARPA/SPAWAR 14 * contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS 15 * research program. 16 * 17 * Copyright (c) 1983, 1992, 1993 18 * The Regents of the University of California. All rights reserved. 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in the 27 * documentation and/or other materials provided with the distribution. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 */ 44 45#ifndef lint 46static const char copyright[] = 47"@(#) Copyright (c) 1983, 1992, 1993\n\ 48 The Regents of the University of California. All rights reserved.\n"; 49#endif /* not lint */ 50 51#ifndef lint 52#if 0 53static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95"; 54#endif 55static const char rcsid[] = 56 "$FreeBSD: head/sbin/dumpfs/dumpfs.c 224025 2011-07-14 17:43:23Z delphij $"; 57#endif /* not lint */ 58 59#include <sys/param.h> 60#include <sys/time.h> 61#include <sys/disklabel.h> 62 63#include <ufs/ufs/dinode.h> 64#include <ufs/ffs/fs.h> 65 66#include <err.h> 67#include <errno.h> 68#include <fcntl.h> 69#include <fstab.h> 70#include <libufs.h> 71#include <paths.h> 72#include <stdint.h> 73#include <stdio.h> 74#include <stdlib.h> 75#include <unistd.h> 76 77#define afs disk.d_fs 78#define acg disk.d_cg 79 80struct uufsd disk; 81 82int dumpfs(const char *); 83int dumpfsid(void); 84int dumpcg(void); 85int dumpfreespace(const char *, int); 86void dumpfreespacecg(int); 87int marshal(const char *); 88void pbits(void *, int); 89void pblklist(void *, int, off_t, int); 90void ufserr(const char *); 91void usage(void) __dead2; 92 93int 94main(int argc, char *argv[]) 95{ 96 const char *name; 97 int ch, dofreespace, domarshal, dolabel, eval; 98 99 dofreespace = domarshal = dolabel = eval = 0; 100 101 while ((ch = getopt(argc, argv, "lfm")) != -1) { 102 switch (ch) { 103 case 'f': 104 dofreespace++; 105 break; 106 case 'm': 107 domarshal = 1; 108 break; 109 case 'l': 110 dolabel = 1; 111 break; 112 case '?': 113 default: 114 usage(); 115 } 116 } 117 argc -= optind; 118 argv += optind; 119 120 if (argc < 1) 121 usage(); 122 if (dofreespace && domarshal) 123 usage(); 124 if (dofreespace > 2) 125 usage(); 126 127 while ((name = *argv++) != NULL) { 128 if (ufs_disk_fillout(&disk, name) == -1) { 129 ufserr(name); 130 eval |= 1; 131 continue; 132 } 133 if (dofreespace) 134 eval |= dumpfreespace(name, dofreespace); 135 else if (domarshal) 136 eval |= marshal(name); 137 else if (dolabel) 138 eval |= dumpfsid(); 139 else 140 eval |= dumpfs(name); 141 ufs_disk_close(&disk); 142 } 143 exit(eval); 144} 145 146int 147dumpfsid(void) 148{ 149 150 printf("%sufsid/%08x%08x\n", _PATH_DEV, afs.fs_id[0], afs.fs_id[1]); 151 return 0; 152} 153 154int 155dumpfs(const char *name) 156{ 157 time_t fstime; 158 int64_t fssize; 159 int32_t fsflags; 160 int i; 161 162 switch (disk.d_ufs) { 163 case 2: 164 fssize = afs.fs_size; 165 fstime = afs.fs_time; 166 printf("magic\t%x (UFS2)\ttime\t%s", 167 afs.fs_magic, ctime(&fstime)); 168 printf("superblock location\t%jd\tid\t[ %x %x ]\n", 169 (intmax_t)afs.fs_sblockloc, afs.fs_id[0], afs.fs_id[1]); 170 printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n", 171 afs.fs_ncg, (intmax_t)fssize, (intmax_t)afs.fs_dsize); 172 break; 173 case 1: 174 fssize = afs.fs_old_size; 175 fstime = afs.fs_old_time; 176 printf("magic\t%x (UFS1)\ttime\t%s", 177 afs.fs_magic, ctime(&fstime)); 178 printf("id\t[ %08x %08x ]\n", afs.fs_id[0], afs.fs_id[1]); 179 printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n", 180 afs.fs_ncg, (intmax_t)fssize, (intmax_t)afs.fs_dsize); 181 break; 182 default: 183 goto err; 184 } 185 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", 186 afs.fs_bsize, afs.fs_bshift, afs.fs_bmask); 187 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", 188 afs.fs_fsize, afs.fs_fshift, afs.fs_fmask); 189 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", 190 afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb); 191 printf("minfree\t%d%%\toptim\t%s\tsymlinklen %d\n", 192 afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time", 193 afs.fs_maxsymlinklen); 194 switch (disk.d_ufs) { 195 case 2: 196 printf("%s %d\tmaxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 197 "maxbsize", afs.fs_maxbsize, afs.fs_maxbpg, 198 afs.fs_maxcontig, afs.fs_contigsumsize); 199 printf("nbfree\t%jd\tndir\t%jd\tnifree\t%jd\tnffree\t%jd\n", 200 (intmax_t)afs.fs_cstotal.cs_nbfree, 201 (intmax_t)afs.fs_cstotal.cs_ndir, 202 (intmax_t)afs.fs_cstotal.cs_nifree, 203 (intmax_t)afs.fs_cstotal.cs_nffree); 204 printf("bpg\t%d\tfpg\t%d\tipg\t%d\tunrefs\t%jd\n", 205 afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg, 206 (intmax_t)afs.fs_unrefs); 207 printf("nindir\t%d\tinopb\t%d\tmaxfilesize\t%ju\n", 208 afs.fs_nindir, afs.fs_inopb, 209 (uintmax_t)afs.fs_maxfilesize); 210 printf("sbsize\t%d\tcgsize\t%d\tcsaddr\t%jd\tcssize\t%d\n", 211 afs.fs_sbsize, afs.fs_cgsize, (intmax_t)afs.fs_csaddr, 212 afs.fs_cssize); 213 break; 214 case 1: 215 printf("maxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 216 afs.fs_maxbpg, afs.fs_maxcontig, afs.fs_contigsumsize); 217 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 218 afs.fs_old_cstotal.cs_nbfree, afs.fs_old_cstotal.cs_ndir, 219 afs.fs_old_cstotal.cs_nifree, afs.fs_old_cstotal.cs_nffree); 220 printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n", 221 afs.fs_old_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, 222 afs.fs_ipg); 223 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%ju\n", 224 afs.fs_nindir, afs.fs_inopb, afs.fs_old_nspf, 225 (uintmax_t)afs.fs_maxfilesize); 226 printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n", 227 afs.fs_sbsize, afs.fs_cgsize, afs.fs_old_cgoffset, 228 afs.fs_old_cgmask); 229 printf("csaddr\t%d\tcssize\t%d\n", 230 afs.fs_old_csaddr, afs.fs_cssize); 231 printf("rotdelay %dms\trps\t%d\ttrackskew %d\tinterleave %d\n", 232 afs.fs_old_rotdelay, afs.fs_old_rps, afs.fs_old_trackskew, 233 afs.fs_old_interleave); 234 printf("nsect\t%d\tnpsect\t%d\tspc\t%d\n", 235 afs.fs_old_nsect, afs.fs_old_npsect, afs.fs_old_spc); 236 break; 237 default: 238 goto err; 239 } 240 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", 241 afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno); 242 printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n", 243 afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean); 244 printf("avgfpdir %d\tavgfilesize %d\n", 245 afs.fs_avgfpdir, afs.fs_avgfilesize); 246 printf("flags\t"); 247 if (afs.fs_old_flags & FS_FLAGS_UPDATED) 248 fsflags = afs.fs_flags; 249 else 250 fsflags = afs.fs_old_flags; 251 if (fsflags == 0) 252 printf("none"); 253 if (fsflags & FS_UNCLEAN) 254 printf("unclean "); 255 if (fsflags & FS_DOSOFTDEP) 256 printf("soft-updates%s ", (fsflags & FS_SUJ) ? "+journal" : ""); 257 if (fsflags & FS_NEEDSFSCK) 258 printf("needs fsck run "); 259 if (fsflags & FS_INDEXDIRS) 260 printf("indexed directories "); 261 if (fsflags & FS_ACLS) 262 printf("acls "); 263 if (fsflags & FS_MULTILABEL) 264 printf("multilabel "); 265 if (fsflags & FS_GJOURNAL) 266 printf("gjournal "); 267 if (fsflags & FS_FLAGS_UPDATED) 268 printf("fs_flags expanded "); 269 if (fsflags & FS_NFS4ACLS) 270 printf("nfsv4acls "); 271 if (fsflags & FS_TRIM) 272 printf("trim "); 273 fsflags &= ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_INDEXDIRS | 274 FS_ACLS | FS_MULTILABEL | FS_GJOURNAL | FS_FLAGS_UPDATED | 275 FS_NFS4ACLS | FS_SUJ | FS_TRIM); 276 if (fsflags != 0) 277 printf("unknown flags (%#x)", fsflags); 278 putchar('\n'); 279 printf("fsmnt\t%s\n", afs.fs_fsmnt); 280 printf("volname\t%s\tswuid\t%ju\n", 281 afs.fs_volname, (uintmax_t)afs.fs_swuid); 282 printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); 283 afs.fs_csp = calloc(1, afs.fs_cssize); 284 if (bread(&disk, fsbtodb(&afs, afs.fs_csaddr), afs.fs_csp, afs.fs_cssize) == -1) 285 goto err; 286 for (i = 0; i < afs.fs_ncg; i++) { 287 struct csum *cs = &afs.fs_cs(&afs, i); 288 if (i && i % 4 == 0) 289 printf("\n\t"); 290 printf("(%d,%d,%d,%d) ", 291 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); 292 } 293 printf("\n"); 294 if (fssize % afs.fs_fpg) { 295 if (disk.d_ufs == 1) 296 printf("cylinders in last group %d\n", 297 howmany(afs.fs_old_size % afs.fs_fpg, 298 afs.fs_old_spc / afs.fs_old_nspf)); 299 printf("blocks in last group %ld\n\n", 300 (long)((fssize % afs.fs_fpg) / afs.fs_frag)); 301 } 302 while ((i = cgread(&disk)) != 0) { 303 if (i == -1 || dumpcg()) 304 goto err; 305 } 306 return (0); 307 308err: ufserr(name); 309 return (1); 310} 311 312int 313dumpcg(void) 314{ 315 time_t cgtime; 316 off_t cur; 317 int i, j; 318 319 printf("\ncg %d:\n", disk.d_lcg); 320 cur = fsbtodb(&afs, cgtod(&afs, disk.d_lcg)) * disk.d_bsize; 321 switch (disk.d_ufs) { 322 case 2: 323 cgtime = acg.cg_time; 324 printf("magic\t%x\ttell\t%jx\ttime\t%s", 325 acg.cg_magic, (intmax_t)cur, ctime(&cgtime)); 326 printf("cgx\t%d\tndblk\t%d\tniblk\t%d\tinitiblk %d\tunrefs %d\n", 327 acg.cg_cgx, acg.cg_ndblk, acg.cg_niblk, acg.cg_initediblk, 328 acg.cg_unrefs); 329 break; 330 case 1: 331 cgtime = acg.cg_old_time; 332 printf("magic\t%x\ttell\t%jx\ttime\t%s", 333 acg.cg_magic, (intmax_t)cur, ctime(&cgtime)); 334 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", 335 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, 336 acg.cg_ndblk); 337 break; 338 default: 339 break; 340 } 341 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 342 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, 343 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); 344 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", 345 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); 346 for (i = 1, j = 0; i < afs.fs_frag; i++) { 347 printf("\t%d", acg.cg_frsum[i]); 348 j += i * acg.cg_frsum[i]; 349 } 350 printf("\nsum of frsum: %d", j); 351 if (afs.fs_contigsumsize > 0) { 352 for (i = 1; i < afs.fs_contigsumsize; i++) { 353 if ((i - 1) % 8 == 0) 354 printf("\nclusters %d-%d:", i, 355 afs.fs_contigsumsize - 1 < i + 7 ? 356 afs.fs_contigsumsize - 1 : i + 7); 357 printf("\t%d", cg_clustersum(&acg)[i]); 358 } 359 printf("\nclusters size %d and over: %d\n", 360 afs.fs_contigsumsize, 361 cg_clustersum(&acg)[afs.fs_contigsumsize]); 362 printf("clusters free:\t"); 363 pbits(cg_clustersfree(&acg), acg.cg_nclusterblks); 364 } else 365 printf("\n"); 366 printf("inodes used:\t"); 367 pbits(cg_inosused(&acg), afs.fs_ipg); 368 printf("blks free:\t"); 369 pbits(cg_blksfree(&acg), afs.fs_fpg); 370 return (0); 371} 372 373int 374dumpfreespace(const char *name, int fflag) 375{ 376 int i; 377 378 while ((i = cgread(&disk)) != 0) { 379 if (i == -1) 380 goto err; 381 dumpfreespacecg(fflag); 382 } 383 return (0); 384err: 385 ufserr(name); 386 return (1); 387} 388 389void 390dumpfreespacecg(int fflag) 391{ 392 393 pblklist(cg_blksfree(&acg), afs.fs_fpg, disk.d_lcg * afs.fs_fpg, 394 fflag); 395} 396 397int 398marshal(const char *name) 399{ 400 struct fs *fs; 401 402 fs = &disk.d_fs; 403 404 printf("# newfs command for %s (%s)\n", name, disk.d_name); 405 printf("newfs "); 406 if (fs->fs_volname[0] != '\0') 407 printf("-L %s ", fs->fs_volname); 408 printf("-O %d ", disk.d_ufs); 409 if (fs->fs_flags & FS_DOSOFTDEP) 410 printf("-U "); 411 printf("-a %d ", fs->fs_maxcontig); 412 printf("-b %d ", fs->fs_bsize); 413 /* -c is dumb */ 414 printf("-d %d ", fs->fs_maxbsize); 415 printf("-e %d ", fs->fs_maxbpg); 416 printf("-f %d ", fs->fs_fsize); 417 printf("-g %d ", fs->fs_avgfilesize); 418 printf("-h %d ", fs->fs_avgfpdir); 419 /* -i is dumb */ 420 if (fs->fs_flags & FS_SUJ) 421 printf("-j "); 422 /* -k..l unimplemented */ 423 printf("-m %d ", fs->fs_minfree); 424 /* -n unimplemented */ 425 printf("-o "); 426 switch (fs->fs_optim) { 427 case FS_OPTSPACE: 428 printf("space "); 429 break; 430 case FS_OPTTIME: 431 printf("time "); 432 break; 433 default: 434 printf("unknown "); 435 break; 436 } 437 /* -p..r unimplemented */ 438 printf("-s %jd ", (intmax_t)fsbtodb(fs, fs->fs_size)); 439 if (fs->fs_flags & FS_TRIM) 440 printf("-t "); 441 printf("%s ", disk.d_name); 442 printf("\n"); 443 444 return 0; 445} 446 447void 448pbits(void *vp, int max) 449{ 450 int i; 451 char *p; 452 int count, j; 453 454 for (count = i = 0, p = vp; i < max; i++) 455 if (isset(p, i)) { 456 if (count) 457 printf(",%s", count % 6 ? " " : "\n\t"); 458 count++; 459 printf("%d", i); 460 j = i; 461 while ((i+1)<max && isset(p, i+1)) 462 i++; 463 if (i != j) 464 printf("-%d", i); 465 } 466 printf("\n"); 467} 468 469void 470pblklist(void *vp, int max, off_t offset, int fflag) 471{ 472 int i, j; 473 char *p; 474 475 for (i = 0, p = vp; i < max; i++) { 476 if (isset(p, i)) { 477 printf("%jd", (intmax_t)(i + offset)); 478 if (fflag < 2) { 479 j = i; 480 while ((i+1)<max && isset(p, i+1)) 481 i++; 482 if (i != j) 483 printf("-%jd", (intmax_t)(i + offset)); 484 } 485 printf("\n"); 486 } 487 } 488} 489 490void 491ufserr(const char *name) 492{ 493 if (disk.d_error != NULL) 494 warnx("%s: %s", name, disk.d_error); 495 else if (errno) 496 warn("%s", name); 497} 498 499void 500usage(void) 501{ 502 (void)fprintf(stderr, "usage: dumpfs [-fm] filesys | device\n"); 503 exit(1); 504} 505