sbin/fsck_ffs/main.c

   1 /*
   2  * Copyright (c) 1980, 1986, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 4. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #if 0
  31 #ifndef lint
  32 static const char copyright[] =
  33 "@(#) Copyright (c) 1980, 1986, 1993\n\
  34         The Regents of the University of California.  All rights reserved.\n";
  35 #endif /* not lint */
  36
  37 #ifndef lint
  38 static char sccsid[] = "@(#)main.c      8.6 (Berkeley) 5/14/95";
  39 #endif /* not lint */
  40 #endif
  41 #include <sys/cdefs.h>
  42 __FBSDID("$FreeBSD$");
  43
  44 #include <sys/param.h>
  45 #include <sys/stat.h>
  46 #include <sys/file.h>
  47 #include <sys/time.h>
  48 #include <sys/mount.h>
  49 #include <sys/resource.h>
  50 #include <sys/sysctl.h>
  51 #include <sys/uio.h>
  52 #include <sys/disklabel.h>
  53
  54 #include <ufs/ufs/dinode.h>
  55 #include <ufs/ffs/fs.h>
  56
  57 #include <err.h>
  58 #include <errno.h>
  59 #include <fstab.h>
  60 #include <grp.h>
  61 #include <mntopts.h>
  62 #include <paths.h>
  63 #include <stdint.h>
  64 #include <string.h>
  65
  66 #include "fsck.h"
  67
  68 static void usage(void) __dead2;
  69 static int argtoi(int flag, const char *req, const char *str, int base);
  70 static int checkfilesys(char *filesys);
  71 static int chkdoreload(struct statfs *mntp);
  72 static struct statfs *getmntpt(const char *);
  73
  74 int
  75 main(int argc, char *argv[])
  76 {
  77         int ch;
  78         struct rlimit rlimit;
  79         struct itimerval itimerval;
  80         int ret = 0;
  81
  82         sync();
  83         skipclean = 1;
  84         inoopt = 0;
  85         while ((ch = getopt(argc, argv, "b:Bc:CdfFm:npry")) != -1) {
  86                 switch (ch) {
  87                 case 'b':
  88                         skipclean = 0;
  89                         bflag = argtoi('b', "number", optarg, 10);
  90                         printf("Alternate super block location: %d\n", bflag);
  91                         break;
  92
  93                 case 'B':
  94                         bkgrdflag = 1;
  95                         break;
  96
  97                 case 'c':
  98                         skipclean = 0;
  99                         cvtlevel = argtoi('c', "conversion level", optarg, 10);
 100                         if (cvtlevel < 3)
 101                                 errx(EEXIT, "cannot do level %d conversion",
 102                                     cvtlevel);
 103                         break;
 104
 105                 case 'd':
 106                         debug++;
 107                         break;
 108
 109                 case 'f':
 110                         skipclean = 0;
 111                         break;
 112
 113                 case 'F':
 114                         bkgrdcheck = 1;
 115                         break;
 116
 117                 case 'm':
 118                         lfmode = argtoi('m', "mode", optarg, 8);
 119                         if (lfmode &~ 07777)
 120                                 errx(EEXIT, "bad mode to -m: %o", lfmode);
 121                         printf("** lost+found creation mode %o\n", lfmode);
 122                         break;
 123
 124                 case 'n':
 125                         nflag++;
 126                         yflag = 0;
 127                         break;
 128
 129                 case 'p':
 130                         preen++;
 131                         /*FALLTHROUGH*/
 132
 133                 case 'C':
 134                         ckclean++;
 135                         break;
 136
 137                 case 'r':
 138                         inoopt++;
 139                         break;
 140
 141                 case 'y':
 142                         yflag++;
 143                         nflag = 0;
 144                         break;
 145
 146                 default:
 147                         usage();
 148                 }
 149         }
 150         argc -= optind;
 151         argv += optind;
 152
 153         if (!argc)
 154                 usage();
 155
 156         if (signal(SIGINT, SIG_IGN) != SIG_IGN)
 157                 (void)signal(SIGINT, catch);
 158         if (ckclean)
 159                 (void)signal(SIGQUIT, catchquit);
 160         signal(SIGINFO, infohandler);
 161         if (bkgrdflag) {
 162                 signal(SIGALRM, alarmhandler);
 163                 itimerval.it_interval.tv_sec = 5;
 164                 itimerval.it_interval.tv_usec = 0;
 165                 itimerval.it_value.tv_sec = 5;
 166                 itimerval.it_value.tv_usec = 0;
 167                 setitimer(ITIMER_REAL, &itimerval, NULL);
 168         }
 169         /*
 170          * Push up our allowed memory limit so we can cope
 171          * with huge file systems.
 172          */
 173         if (getrlimit(RLIMIT_DATA, &rlimit) == 0) {
 174                 rlimit.rlim_cur = rlimit.rlim_max;
 175                 (void)setrlimit(RLIMIT_DATA, &rlimit);
 176         }
 177         while (argc-- > 0)
 178                 (void)checkfilesys(*argv++);
 179
 180         if (returntosingle)
 181                 ret = 2;
 182         exit(ret);
 183 }
 184
 185 static int
 186 argtoi(int flag, const char *req, const char *str, int base)
 187 {
 188         char *cp;
 189         int ret;
 190
 191         ret = (int)strtol(str, &cp, base);
 192         if (cp == str || *cp)
 193                 errx(EEXIT, "-%c flag requires a %s", flag, req);
 194         return (ret);
 195 }
 196
 197 /*
 198  * Check the specified file system.
 199  */
 200 /* ARGSUSED */
 201 static int
 202 checkfilesys(char *filesys)
 203 {
 204         ufs2_daddr_t n_ffree, n_bfree;
 205         struct dups *dp;
 206         struct statfs *mntp;
 207         struct stat snapdir;
 208         struct group *grp;
 209         ufs2_daddr_t blks;
 210         struct iovec *iov;
 211         char errmsg[255];
 212         int iovlen;
 213         int cylno;
 214         ino_t files;
 215         size_t size;
 216
 217         iov = NULL;
 218         iovlen = 0;
 219         errmsg[0] = '\0';
 220
 221         cdevname = filesys;
 222         if (debug && ckclean)
 223                 pwarn("starting\n");
 224         /*
 225          * Make best effort to get the disk name. Check first to see
 226          * if it is listed among the mounted file systems. Failing that
 227          * check to see if it is listed in /etc/fstab.
 228          */
 229         mntp = getmntpt(filesys);
 230         if (mntp != NULL)
 231                 filesys = mntp->f_mntfromname;
 232         else
 233                 filesys = blockcheck(filesys);
 234         /*
 235          * If -F flag specified, check to see whether a background check
 236          * is possible and needed. If possible and needed, exit with
 237          * status zero. Otherwise exit with status non-zero. A non-zero
 238          * exit status will cause a foreground check to be run.
 239          */
 240         sblock_init();
 241         if (bkgrdcheck) {
 242                 if ((fsreadfd = open(filesys, O_RDONLY)) < 0 || readsb(0) == 0)
 243                         exit(3);        /* Cannot read superblock */
 244                 close(fsreadfd);
 245                 if (sblock.fs_flags & FS_NEEDSFSCK)
 246                         exit(4);        /* Earlier background failed */
 247                 if ((sblock.fs_flags & FS_DOSOFTDEP) == 0)
 248                         exit(5);        /* Not running soft updates */
 249                 size = MIBSIZE;
 250                 if (sysctlnametomib("vfs.ffs.adjrefcnt", adjrefcnt, &size) < 0)
 251                         exit(6);        /* Lacks kernel support */
 252                 if ((mntp == NULL && sblock.fs_clean == 1) ||
 253                     (mntp != NULL && (sblock.fs_flags & FS_UNCLEAN) == 0))
 254                         exit(7);        /* Filesystem clean, report it now */
 255                 exit(0);
 256         }
 257         if (ckclean && skipclean) {
 258                 /*
 259                  * If file system is gjournaled, check it here.
 260                  */
 261                 if ((fsreadfd = open(filesys, O_RDONLY)) < 0 || readsb(0) == 0)
 262                         exit(3);        /* Cannot read superblock */
 263                 close(fsreadfd);
 264                 if ((sblock.fs_flags & FS_GJOURNAL) != 0) {
 265                         //printf("GJournaled file system detected on %s.\n",
 266                         //    filesys);
 267                         if (sblock.fs_clean == 1) {
 268                                 pwarn("FILE SYSTEM CLEAN; SKIPPING CHECKS\n");
 269                                 exit(0);
 270                         }
 271                         if ((sblock.fs_flags & (FS_UNCLEAN | FS_NEEDSFSCK)) == 0) {
 272                                 gjournal_check(filesys);
 273                                 if (chkdoreload(mntp) == 0)
 274                                         exit(0);
 275                                 exit(4);
 276                         } else {
 277                                 pfatal("UNEXPECTED INCONSISTENCY, %s\n",
 278                                     "CANNOT RUN FAST FSCK\n");
 279                         }
 280                 }
 281         }
 282         /*
 283          * If we are to do a background check:
 284          *      Get the mount point information of the file system
 285          *      create snapshot file
 286          *      return created snapshot file
 287          *      if not found, clear bkgrdflag and proceed with normal fsck
 288          */
 289         if (bkgrdflag) {
 290                 if (mntp == NULL) {
 291                         bkgrdflag = 0;
 292                         pfatal("NOT MOUNTED, CANNOT RUN IN BACKGROUND\n");
 293                 } else if ((mntp->f_flags & MNT_SOFTDEP) == 0) {
 294                         bkgrdflag = 0;
 295                         pfatal("NOT USING SOFT UPDATES, %s\n",
 296                             "CANNOT RUN IN BACKGROUND");
 297                 } else if ((mntp->f_flags & MNT_RDONLY) != 0) {
 298                         bkgrdflag = 0;
 299                         pfatal("MOUNTED READ-ONLY, CANNOT RUN IN BACKGROUND\n");
 300                 } else if ((fsreadfd = open(filesys, O_RDONLY)) >= 0) {
 301                         if (readsb(0) != 0) {
 302                                 if (sblock.fs_flags & FS_NEEDSFSCK) {
 303                                         bkgrdflag = 0;
 304                                         pfatal("UNEXPECTED INCONSISTENCY, %s\n",
 305                                             "CANNOT RUN IN BACKGROUND\n");
 306                                 }
 307                                 if ((sblock.fs_flags & FS_UNCLEAN) == 0 &&
 308                                     skipclean && ckclean) {
 309                                         /*
 310                                          * file system is clean;
 311                                          * skip snapshot and report it clean
 312                                          */
 313                                         pwarn("FILE SYSTEM CLEAN; %s\n",
 314                                             "SKIPPING CHECKS");
 315                                         goto clean;
 316                                 }
 317                         }
 318                         close(fsreadfd);
 319                 }
 320                 if (bkgrdflag) {
 321                         snprintf(snapname, sizeof snapname, "%s/.snap",
 322                             mntp->f_mntonname);
 323                         if (stat(snapname, &snapdir) < 0) {
 324                                 if (errno != ENOENT) {
 325                                         bkgrdflag = 0;
 326                                         pfatal("CANNOT FIND %s %s: %s, %s\n",
 327                                             "SNAPSHOT DIRECTORY",
 328                                             snapname, strerror(errno),
 329                                             "CANNOT RUN IN BACKGROUND");
 330                                 } else if ((grp = getgrnam("operator")) == 0 ||
 331                                     mkdir(snapname, 0770) < 0 ||
 332                                     chown(snapname, -1, grp->gr_gid) < 0 ||
 333                                     chmod(snapname, 0770) < 0) {
 334                                         bkgrdflag = 0;
 335                                         pfatal("CANNOT CREATE %s %s: %s, %s\n",
 336                                             "SNAPSHOT DIRECTORY",
 337                                             snapname, strerror(errno),
 338                                             "CANNOT RUN IN BACKGROUND");
 339                                 }
 340                         } else if (!S_ISDIR(snapdir.st_mode)) {
 341                                 bkgrdflag = 0;
 342                                 pfatal("%s IS NOT A DIRECTORY, %s\n", snapname,
 343                                     "CANNOT RUN IN BACKGROUND");
 344                         }
 345                 }
 346                 if (bkgrdflag) {
 347                         snprintf(snapname, sizeof snapname,
 348                             "%s/.snap/fsck_snapshot", mntp->f_mntonname);
 349                         build_iovec(&iov, &iovlen, "fstype", "ffs", 4);
 350                         build_iovec(&iov, &iovlen, "from", snapname,
 351                             (size_t)-1);
 352                         build_iovec(&iov, &iovlen, "fspath", mntp->f_mntonname,
 353                             (size_t)-1);
 354                         build_iovec(&iov, &iovlen, "errmsg", errmsg,
 355                             sizeof(errmsg));
 356                         build_iovec(&iov, &iovlen, "update", NULL, 0);
 357                         build_iovec(&iov, &iovlen, "snapshot", NULL, 0);
 358
 359                         while (nmount(iov, iovlen, mntp->f_flags) < 0) {
 360                                 if (errno == EEXIST && unlink(snapname) == 0)
 361                                         continue;
 362                                 bkgrdflag = 0;
 363                                 pfatal("CANNOT CREATE SNAPSHOT %s: %s %s\n",
 364                                     snapname, strerror(errno), errmsg);
 365                                 break;
 366                         }
 367                         if (bkgrdflag != 0)
 368                                 filesys = snapname;
 369                 }
 370         }
 371
 372         switch (setup(filesys)) {
 373         case 0:
 374                 if (preen)
 375                         pfatal("CAN'T CHECK FILE SYSTEM.");
 376                 return (0);
 377         case -1:
 378         clean:
 379                 pwarn("clean, %ld free ", (long)(sblock.fs_cstotal.cs_nffree +
 380                     sblock.fs_frag * sblock.fs_cstotal.cs_nbfree));
 381                 printf("(%lld frags, %lld blocks, %.1f%% fragmentation)\n",
 382                     (long long)sblock.fs_cstotal.cs_nffree,
 383                     (long long)sblock.fs_cstotal.cs_nbfree,
 384                     sblock.fs_cstotal.cs_nffree * 100.0 / sblock.fs_dsize);
 385                 return (0);
 386         }
 387
 388         /*
 389          * Cleared if any questions answered no. Used to decide if
 390          * the superblock should be marked clean.
 391          */
 392         resolved = 1;
 393         /*
 394          * 1: scan inodes tallying blocks used
 395          */
 396         if (preen == 0) {
 397                 printf("** Last Mounted on %s\n", sblock.fs_fsmnt);
 398                 if (mntp != NULL && mntp->f_flags & MNT_ROOTFS)
 399                         printf("** Root file system\n");
 400                 printf("** Phase 1 - Check Blocks and Sizes\n");
 401         }
 402         pass1();
 403
 404         /*
 405          * 1b: locate first references to duplicates, if any
 406          */
 407         if (duplist) {
 408                 if (preen || usedsoftdep)
 409                         pfatal("INTERNAL ERROR: dups with -p");
 410                 printf("** Phase 1b - Rescan For More DUPS\n");
 411                 pass1b();
 412         }
 413
 414         /*
 415          * 2: traverse directories from root to mark all connected directories
 416          */
 417         if (preen == 0)
 418                 printf("** Phase 2 - Check Pathnames\n");
 419         pass2();
 420
 421         /*
 422          * 3: scan inodes looking for disconnected directories
 423          */
 424         if (preen == 0)
 425                 printf("** Phase 3 - Check Connectivity\n");
 426         pass3();
 427
 428         /*
 429          * 4: scan inodes looking for disconnected files; check reference counts
 430          */
 431         if (preen == 0)
 432                 printf("** Phase 4 - Check Reference Counts\n");
 433         pass4();
 434
 435         /*
 436          * 5: check and repair resource counts in cylinder groups
 437          */
 438         if (preen == 0)
 439                 printf("** Phase 5 - Check Cyl groups\n");
 440         pass5();
 441
 442         /*
 443          * print out summary statistics
 444          */
 445         n_ffree = sblock.fs_cstotal.cs_nffree;
 446         n_bfree = sblock.fs_cstotal.cs_nbfree;
 447         files = maxino - ROOTINO - sblock.fs_cstotal.cs_nifree - n_files;
 448         blks = n_blks +
 449             sblock.fs_ncg * (cgdmin(&sblock, 0) - cgsblock(&sblock, 0));
 450         blks += cgsblock(&sblock, 0) - cgbase(&sblock, 0);
 451         blks += howmany(sblock.fs_cssize, sblock.fs_fsize);
 452         blks = maxfsblock - (n_ffree + sblock.fs_frag * n_bfree) - blks;
 453         if (bkgrdflag && (files > 0 || blks > 0)) {
 454                 countdirs = sblock.fs_cstotal.cs_ndir - countdirs;
 455                 pwarn("Reclaimed: %ld directories, %ld files, %lld fragments\n",
 456                     countdirs, (long)files - countdirs, (long long)blks);
 457         }
 458         pwarn("%ld files, %jd used, %ju free ",
 459             (long)n_files, (intmax_t)n_blks,
 460             (uintmax_t)n_ffree + sblock.fs_frag * n_bfree);
 461         printf("(%ju frags, %ju blocks, %.1f%% fragmentation)\n",
 462             (uintmax_t)n_ffree, (uintmax_t)n_bfree,
 463             n_ffree * 100.0 / sblock.fs_dsize);
 464         if (debug) {
 465                 if (files < 0)
 466                         printf("%d inodes missing\n", -files);
 467                 if (blks < 0)
 468                         printf("%lld blocks missing\n", -(long long)blks);
 469                 if (duplist != NULL) {
 470                         printf("The following duplicate blocks remain:");
 471                         for (dp = duplist; dp; dp = dp->next)
 472                                 printf(" %lld,", (long long)dp->dup);
 473                         printf("\n");
 474                 }
 475         }
 476         duplist = (struct dups *)0;
 477         muldup = (struct dups *)0;
 478         inocleanup();
 479         if (fsmodified) {
 480                 sblock.fs_time = time(NULL);
 481                 sbdirty();
 482         }
 483         if (cvtlevel && sblk.b_dirty) {
 484                 /*
 485                  * Write out the duplicate super blocks
 486                  */
 487                 for (cylno = 0; cylno < sblock.fs_ncg; cylno++)
 488                         blwrite(fswritefd, (char *)&sblock,
 489                             fsbtodb(&sblock, cgsblock(&sblock, cylno)),
 490                             SBLOCKSIZE);
 491         }
 492         if (rerun)
 493                 resolved = 0;
 494
 495         /*
 496          * Check to see if the file system is mounted read-write.
 497          */
 498         if (bkgrdflag == 0 && mntp != NULL && (mntp->f_flags & MNT_RDONLY) == 0)
 499                 resolved = 0;
 500         ckfini(resolved);
 501
 502         for (cylno = 0; cylno < sblock.fs_ncg; cylno++)
 503                 if (inostathead[cylno].il_stat != NULL)
 504                         free((char *)inostathead[cylno].il_stat);
 505         free((char *)inostathead);
 506         inostathead = NULL;
 507         if (fsmodified && !preen)
 508                 printf("\n***** FILE SYSTEM WAS MODIFIED *****\n");
 509         if (rerun)
 510                 printf("\n***** PLEASE RERUN FSCK *****\n");
 511         if (chkdoreload(mntp) != 0) {
 512                 if (!fsmodified)
 513                         return (0);
 514                 if (!preen)
 515                         printf("\n***** REBOOT NOW *****\n");
 516                 sync();
 517                 return (4);
 518         }
 519         return (0);
 520 }
 521
 522 static int
 523 chkdoreload(struct statfs *mntp)
 524 {
 525         struct iovec *iov;
 526         int iovlen;
 527         char errmsg[255];
 528
 529         if (mntp == NULL)
 530                 return (0);
 531
 532         iov = NULL;
 533         iovlen = 0;
 534         errmsg[0] = '\0';
 535         /*
 536          * We modified a mounted file system.  Do a mount update on
 537          * it unless it is read-write, so we can continue using it
 538          * as safely as possible.
 539          */
 540         if (mntp->f_flags & MNT_RDONLY) {
 541                 build_iovec(&iov, &iovlen, "fstype", "ffs", 4);
 542                 build_iovec(&iov, &iovlen, "from", mntp->f_mntfromname,
 543                     (size_t)-1);
 544                 build_iovec(&iov, &iovlen, "fspath", mntp->f_mntonname,
 545                     (size_t)-1);
 546                 build_iovec(&iov, &iovlen, "errmsg", errmsg,
 547                     sizeof(errmsg));
 548                 build_iovec(&iov, &iovlen, "update", NULL, 0);
 549                 build_iovec(&iov, &iovlen, "reload", NULL, 0);
 550                 /*
 551                  * XX: We need the following line until we clean up
 552                  * nmount parsing of root mounts and NFS root mounts.
 553                  */
 554                 build_iovec(&iov, &iovlen, "ro", NULL, 0);
 555                 if (nmount(iov, iovlen, mntp->f_flags) == 0) {
 556                         return (0);
 557                 }
 558                 pwarn("mount reload of '%s' failed: %s %s\n\n",
 559                     mntp->f_mntonname, strerror(errno), errmsg);
 560                 return (1);
 561         }
 562         return (0);
 563 }
 564
 565 /*
 566  * Get the mount point information for name.
 567  */
 568 static struct statfs *
 569 getmntpt(const char *name)
 570 {
 571         struct stat devstat, mntdevstat;
 572         char device[sizeof(_PATH_DEV) - 1 + MNAMELEN];
 573         char *ddevname;
 574         struct statfs *mntbuf, *statfsp;
 575         int i, mntsize, isdev;
 576
 577         if (stat(name, &devstat) != 0)
 578                 return (NULL);
 579         if (S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode))
 580                 isdev = 1;
 581         else
 582                 isdev = 0;
 583         mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
 584         for (i = 0; i < mntsize; i++) {
 585                 statfsp = &mntbuf[i];
 586                 ddevname = statfsp->f_mntfromname;
 587                 if (*ddevname != '/') {
 588                         strcpy(device, _PATH_DEV);
 589                         strcat(device, ddevname);
 590                         strcpy(statfsp->f_mntfromname, device);
 591                 }
 592                 if (isdev == 0) {
 593                         if (strcmp(name, statfsp->f_mntonname))
 594                                 continue;
 595                         return (statfsp);
 596                 }
 597                 if (stat(ddevname, &mntdevstat) == 0 &&
 598                     mntdevstat.st_rdev == devstat.st_rdev)
 599                         return (statfsp);
 600         }
 601         statfsp = NULL;
 602         return (statfsp);
 603 }
 604
 605 static void
 606 usage(void)
 607 {
 608         (void) fprintf(stderr,
 609             "usage: %s [-BFprfny] [-b block] [-c level] [-m mode] "
 610                         "filesystem ...\n",
 611             getprogname());
 612         exit(1);
 613 }