e2fsck/unix.c

   1 /*
   2  * unix.c - The unix-specific code for e2fsck
   3  *
   4  * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
   5  *
   6  * %Begin-Header%
   7  * This file may be redistributed under the terms of the GNU Public
   8  * License.
   9  * %End-Header%
  10  */
  11
  12 #define _XOPEN_SOURCE 600 /* for inclusion of sa_handler in Solaris */
  13
  14 #include "config.h"
  15 #include <stdio.h>
  16 #ifdef HAVE_STDLIB_H
  17 #include <stdlib.h>
  18 #endif
  19 #include <string.h>
  20 #include <fcntl.h>
  21 #include <ctype.h>
  22 #include <time.h>
  23 #ifdef HAVE_SIGNAL_H
  24 #include <signal.h>
  25 #endif
  26 #ifdef HAVE_GETOPT_H
  27 #include <getopt.h>
  28 #else
  29 extern char *optarg;
  30 extern int optind;
  31 #endif
  32 #include <unistd.h>
  33 #ifdef HAVE_ERRNO_H
  34 #include <errno.h>
  35 #endif
  36 #ifdef HAVE_SYS_IOCTL_H
  37 #include <sys/ioctl.h>
  38 #endif
  39 #ifdef HAVE_MALLOC_H
  40 #include <malloc.h>
  41 #endif
  42 #ifdef HAVE_SYS_TYPES_H
  43 #include <sys/types.h>
  44 #endif
  45 #ifdef HAVE_DIRENT_H
  46 #include <dirent.h>
  47 #endif
  48
  49 #include "e2p/e2p.h"
  50 #include "et/com_err.h"
  51 #include "e2p/e2p.h"
  52 #include "e2fsck.h"
  53 #include "problem.h"
  54 #include "../version.h"
  55
  56 /* Command line options */
  57 static int cflag;               /* check disk */
  58 static int show_version_only;
  59 static int verbose;
  60
  61 static int replace_bad_blocks;
  62 static int keep_bad_blocks;
  63 static char *bad_blocks_file;
  64
  65 e2fsck_t e2fsck_global_ctx;     /* Try your very best not to use this! */
  66
  67 #ifdef CONFIG_JBD_DEBUG         /* Enabled by configure --enable-jfs-debug */
  68 int journal_enable_debug = -1;
  69 #endif
  70
  71 static void usage(e2fsck_t ctx)
  72 {
  73         fprintf(stderr,
  74                 _("Usage: %s [-panyrcdfvtDFV] [-b superblock] [-B blocksize]\n"
  75                 "\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n"
  76                 "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n"
  77                 "\t\t[-E extended-options] device\n"),
  78                 ctx->program_name);
  79
  80         fprintf(stderr, "%s", _("\nEmergency help:\n"
  81                 " -p                   Automatic repair (no questions)\n"
  82                 " -n                   Make no changes to the filesystem\n"
  83                 " -y                   Assume \"yes\" to all questions\n"
  84                 " -c                   Check for bad blocks and add them to the badblock list\n"
  85                 " -f                   Force checking even if filesystem is marked clean\n"));
  86         fprintf(stderr, "%s", _(""
  87                 " -v                   Be verbose\n"
  88                 " -b superblock        Use alternative superblock\n"
  89                 " -B blocksize         Force blocksize when looking for superblock\n"
  90                 " -j external_journal  Set location of the external journal\n"
  91                 " -l bad_blocks_file   Add to badblocks list\n"
  92                 " -L bad_blocks_file   Set badblocks list\n"
  93                 ));
  94
  95         exit(FSCK_USAGE);
  96 }
  97
  98 static void show_stats(e2fsck_t ctx)
  99 {
 100         ext2_filsys fs = ctx->fs;
 101         ext2_ino_t inodes, inodes_used;
 102         blk64_t blocks, blocks_used;
 103         unsigned int dir_links;
 104         unsigned int num_files, num_links;
 105         __u32 *mask, m;
 106         int frag_percent_file, frag_percent_dir, frag_percent_total;
 107         int i, j, printed = 0;
 108
 109         dir_links = 2 * ctx->fs_directory_count - 1;
 110         num_files = ctx->fs_total_count - dir_links;
 111         num_links = ctx->fs_links_count - dir_links;
 112         inodes = fs->super->s_inodes_count;
 113         inodes_used = (fs->super->s_inodes_count -
 114                        fs->super->s_free_inodes_count);
 115         blocks = ext2fs_blocks_count(fs->super);
 116         blocks_used = (ext2fs_blocks_count(fs->super) -
 117                        ext2fs_free_blocks_count(fs->super));
 118
 119         frag_percent_file = (10000 * ctx->fs_fragmented) / inodes_used;
 120         frag_percent_file = (frag_percent_file + 5) / 10;
 121
 122         frag_percent_dir = (10000 * ctx->fs_fragmented_dir) / inodes_used;
 123         frag_percent_dir = (frag_percent_dir + 5) / 10;
 124
 125         frag_percent_total = ((10000 * (ctx->fs_fragmented +
 126                                         ctx->fs_fragmented_dir))
 127                               / inodes_used);
 128         frag_percent_total = (frag_percent_total + 5) / 10;
 129
 130         if (!verbose) {
 131                 log_out(ctx, _("%s: %u/%u files (%0d.%d%% non-contiguous), "
 132                                "%llu/%llu blocks\n"),
 133                         ctx->device_name, inodes_used, inodes,
 134                         frag_percent_total / 10, frag_percent_total % 10,
 135                         blocks_used, blocks);
 136                 return;
 137         }
 138         profile_get_boolean(ctx->profile, "options", "report_features", 0, 0,
 139                             &i);
 140         if (verbose && i) {
 141                 log_out(ctx, "\nFilesystem features:");
 142                 mask = &ctx->fs->super->s_feature_compat;
 143                 for (i = 0; i < 3; i++, mask++) {
 144                         for (j = 0, m = 1; j < 32; j++, m <<= 1) {
 145                                 if (*mask & m) {
 146                                         log_out(ctx, " %s",
 147                                                 e2p_feature2string(i, m));
 148                                         printed++;
 149                                 }
 150                         }
 151                 }
 152                 if (printed == 0)
 153                         log_out(ctx, " (none)");
 154                 log_out(ctx, "\n");
 155         }
 156
 157         log_out(ctx, P_("\n%12u inode used (%2.2f%%, out of %u)\n",
 158                         "\n%12u inodes used (%2.2f%%, out of %u)\n",
 159                         inodes_used), inodes_used,
 160                 100.0 * inodes_used / inodes, inodes);
 161         log_out(ctx, P_("%12u non-contiguous file (%0d.%d%%)\n",
 162                         "%12u non-contiguous files (%0d.%d%%)\n",
 163                         ctx->fs_fragmented),
 164                 ctx->fs_fragmented, frag_percent_file / 10,
 165                 frag_percent_file % 10);
 166         log_out(ctx, P_("%12u non-contiguous directory (%0d.%d%%)\n",
 167                         "%12u non-contiguous directories (%0d.%d%%)\n",
 168                         ctx->fs_fragmented_dir),
 169                 ctx->fs_fragmented_dir, frag_percent_dir / 10,
 170                 frag_percent_dir % 10);
 171         log_out(ctx, _("             # of inodes with ind/dind/tind blocks: "
 172                        "%u/%u/%u\n"),
 173                 ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count);
 174
 175         for (j=MAX_EXTENT_DEPTH_COUNT-1; j >=0; j--)
 176                 if (ctx->extent_depth_count[j])
 177                         break;
 178         if (++j) {
 179                 log_out(ctx, "%s", _("             Extent depth histogram: "));
 180                 for (i=0; i < j; i++) {
 181                         if (i)
 182                                 fputc('/', stdout);
 183                         log_out(ctx, "%u", ctx->extent_depth_count[i]);
 184                 }
 185                 log_out(ctx, "\n");
 186         }
 187
 188         log_out(ctx, P_("%12llu block used (%2.2f%%, out of %llu)\n",
 189                         "%12llu blocks used (%2.2f%%, out of %llu)\n",
 190                    blocks_used),
 191                 blocks_used, 100.0 * blocks_used / blocks, blocks);
 192         log_out(ctx, P_("%12u bad block\n", "%12u bad blocks\n",
 193                         ctx->fs_badblocks_count), ctx->fs_badblocks_count);
 194         log_out(ctx, P_("%12u large file\n", "%12u large files\n",
 195                         ctx->large_files), ctx->large_files);
 196         log_out(ctx, P_("\n%12u regular file\n", "\n%12u regular files\n",
 197                         ctx->fs_regular_count), ctx->fs_regular_count);
 198         log_out(ctx, P_("%12u directory\n", "%12u directories\n",
 199                         ctx->fs_directory_count), ctx->fs_directory_count);
 200         log_out(ctx, P_("%12u character device file\n",
 201                         "%12u character device files\n", ctx->fs_chardev_count),
 202                 ctx->fs_chardev_count);
 203         log_out(ctx, P_("%12u block device file\n", "%12u block device files\n",
 204                         ctx->fs_blockdev_count), ctx->fs_blockdev_count);
 205         log_out(ctx, P_("%12u fifo\n", "%12u fifos\n", ctx->fs_fifo_count),
 206                 ctx->fs_fifo_count);
 207         log_out(ctx, P_("%12u link\n", "%12u links\n", num_links),
 208                 ctx->fs_links_count - dir_links);
 209         log_out(ctx, P_("%12u symbolic link", "%12u symbolic links",
 210                         ctx->fs_symlinks_count), ctx->fs_symlinks_count);
 211         log_out(ctx, P_(" (%u fast symbolic link)\n",
 212                         " (%u fast symbolic links)\n",
 213                         ctx->fs_fast_symlinks_count),
 214                 ctx->fs_fast_symlinks_count);
 215         log_out(ctx, P_("%12u socket\n", "%12u sockets\n",
 216                         ctx->fs_sockets_count),
 217                 ctx->fs_sockets_count);
 218         log_out(ctx, "------------\n");
 219         log_out(ctx, P_("%12u file\n", "%12u files\n", num_files),
 220                 num_files);
 221 }
 222
 223 static void check_mount(e2fsck_t ctx)
 224 {
 225         errcode_t       retval;
 226         int             cont;
 227
 228         retval = ext2fs_check_if_mounted(ctx->filesystem_name,
 229                                          &ctx->mount_flags);
 230         if (retval) {
 231                 com_err("ext2fs_check_if_mount", retval,
 232                         _("while determining whether %s is mounted."),
 233                         ctx->filesystem_name);
 234                 return;
 235         }
 236
 237         /*
 238          * If the filesystem isn't mounted, or it's the root
 239          * filesystem and it's mounted read-only, and we're not doing
 240          * a read/write check, then everything's fine.
 241          */
 242         if ((!(ctx->mount_flags & (EXT2_MF_MOUNTED | EXT2_MF_BUSY))) ||
 243             ((ctx->mount_flags & EXT2_MF_ISROOT) &&
 244              (ctx->mount_flags & EXT2_MF_READONLY) &&
 245              !(ctx->options & E2F_OPT_WRITECHECK)))
 246                 return;
 247
 248         if (((ctx->options & E2F_OPT_READONLY) ||
 249              ((ctx->options & E2F_OPT_FORCE) &&
 250               (ctx->mount_flags & EXT2_MF_READONLY))) &&
 251             !(ctx->options & E2F_OPT_WRITECHECK)) {
 252                 log_out(ctx, _("Warning!  %s is %s.\n"),
 253                         ctx->filesystem_name,
 254                         ctx->mount_flags & EXT2_MF_MOUNTED ?
 255                                 "mounted" : "in use");
 256                 return;
 257         }
 258
 259         log_out(ctx, _("%s is %s.\n"), ctx->filesystem_name,
 260                 ctx->mount_flags & EXT2_MF_MOUNTED ? "mounted" : "in use");
 261         if (!ctx->interactive || ctx->mount_flags & EXT2_MF_BUSY)
 262                 fatal_error(ctx, _("Cannot continue, aborting.\n\n"));
 263         puts("\007\007\007\007");
 264         log_out(ctx, "%s", _("\n\nWARNING!!!  "
 265                        "The filesystem is mounted.   "
 266                        "If you continue you ***WILL***\n"
 267                        "cause ***SEVERE*** filesystem damage.\n\n"));
 268         puts("\007\007\007");
 269         cont = ask_yn(ctx, _("Do you really want to continue"), 0);
 270         if (!cont) {
 271                 printf("%s", _("check aborted.\n"));
 272                 exit (0);
 273         }
 274         return;
 275 }
 276
 277 static int is_on_batt(void)
 278 {
 279         FILE    *f;
 280         DIR     *d;
 281         char    tmp[80], tmp2[80], fname[80];
 282         unsigned int    acflag;
 283         struct dirent*  de;
 284
 285         f = fopen("/sys/class/power_supply/AC/online", "r");
 286         if (f) {
 287                 if (fscanf(f, "%u\n", &acflag) == 1) {
 288                         fclose(f);
 289                         return (!acflag);
 290                 }
 291                 fclose(f);
 292         }
 293         f = fopen("/proc/apm", "r");
 294         if (f) {
 295                 if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4)
 296                         acflag = 1;
 297                 fclose(f);
 298                 return (acflag != 1);
 299         }
 300         d = opendir("/proc/acpi/ac_adapter");
 301         if (d) {
 302                 while ((de=readdir(d)) != NULL) {
 303                         if (!strncmp(".", de->d_name, 1))
 304                                 continue;
 305                         snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state",
 306                                  de->d_name);
 307                         f = fopen(fname, "r");
 308                         if (!f)
 309                                 continue;
 310                         if (fscanf(f, "%s %s", tmp2, tmp) != 2)
 311                                 tmp[0] = 0;
 312                         fclose(f);
 313                         if (strncmp(tmp, "off-line", 8) == 0) {
 314                                 closedir(d);
 315                                 return 1;
 316                         }
 317                 }
 318                 closedir(d);
 319         }
 320         return 0;
 321 }
 322
 323 /*
 324  * This routine checks to see if a filesystem can be skipped; if so,
 325  * it will exit with E2FSCK_OK.  Under some conditions it will print a
 326  * message explaining why a check is being forced.
 327  */
 328 static void check_if_skip(e2fsck_t ctx)
 329 {
 330         ext2_filsys fs = ctx->fs;
 331         struct problem_context pctx;
 332         const char *reason = NULL;
 333         unsigned int reason_arg = 0;
 334         long next_check;
 335         int batt = is_on_batt();
 336         int defer_check_on_battery;
 337         int broken_system_clock;
 338         time_t lastcheck;
 339
 340         if (ctx->flags & E2F_FLAG_PROBLEMS_FIXED)
 341                 return;
 342
 343         profile_get_boolean(ctx->profile, "options", "broken_system_clock",
 344                             0, 0, &broken_system_clock);
 345         if (ctx->flags & E2F_FLAG_TIME_INSANE)
 346                 broken_system_clock = 1;
 347         profile_get_boolean(ctx->profile, "options",
 348                             "defer_check_on_battery", 0, 1,
 349                             &defer_check_on_battery);
 350         if (!defer_check_on_battery)
 351                 batt = 0;
 352
 353         if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag)
 354                 return;
 355
 356         if (ctx->options & E2F_OPT_JOURNAL_ONLY)
 357                 goto skip;
 358
 359         lastcheck = fs->super->s_lastcheck;
 360         if (lastcheck > ctx->now)
 361                 lastcheck -= ctx->time_fudge;
 362         if ((fs->super->s_state & EXT2_ERROR_FS) ||
 363             !ext2fs_test_valid(fs))
 364                 reason = _(" contains a file system with errors");
 365         else if ((fs->super->s_state & EXT2_VALID_FS) == 0)
 366                 reason = _(" was not cleanly unmounted");
 367         else if (check_backup_super_block(ctx))
 368                 reason = _(" primary superblock features different from backup");
 369         else if ((fs->super->s_max_mnt_count > 0) &&
 370                  (fs->super->s_mnt_count >=
 371                   (unsigned) fs->super->s_max_mnt_count)) {
 372                 reason = _(" has been mounted %u times without being checked");
 373                 reason_arg = fs->super->s_mnt_count;
 374                 if (batt && (fs->super->s_mnt_count <
 375                              (unsigned) fs->super->s_max_mnt_count*2))
 376                         reason = 0;
 377         } else if (!broken_system_clock && fs->super->s_checkinterval &&
 378                    (ctx->now < lastcheck)) {
 379                 reason = _(" has filesystem last checked time in the future");
 380                 if (batt)
 381                         reason = 0;
 382         } else if (!broken_system_clock && fs->super->s_checkinterval &&
 383                    ((ctx->now - lastcheck) >=
 384                     ((time_t) fs->super->s_checkinterval))) {
 385                 reason = _(" has gone %u days without being checked");
 386                 reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24);
 387                 if (batt && ((ctx->now - fs->super->s_lastcheck) <
 388                              fs->super->s_checkinterval*2))
 389                         reason = 0;
 390         }
 391         if (reason) {
 392                 log_out(ctx, "%s", ctx->device_name);
 393                 log_out(ctx, reason, reason_arg);
 394                 log_out(ctx, "%s", _(", check forced.\n"));
 395                 return;
 396         }
 397
 398         /*
 399          * Update the global counts from the block group counts.  This
 400          * is needed since modern kernels don't update the global
 401          * counts so as to avoid locking the entire file system.  So
 402          * if the filesystem is not unmounted cleanly, the global
 403          * counts may not be accurate.  Update them here if we can,
 404          * for the benefit of users who might examine the file system
 405          * using dumpe2fs.  (This is for cosmetic reasons only.)
 406          */
 407         clear_problem_context(&pctx);
 408         pctx.ino = fs->super->s_free_inodes_count;
 409         pctx.ino2 = ctx->free_inodes;
 410         if ((pctx.ino != pctx.ino2) &&
 411             !(ctx->options & E2F_OPT_READONLY) &&
 412             fix_problem(ctx, PR_0_FREE_INODE_COUNT, &pctx)) {
 413                 fs->super->s_free_inodes_count = ctx->free_inodes;
 414                 ext2fs_mark_super_dirty(fs);
 415         }
 416         clear_problem_context(&pctx);
 417         pctx.blk = ext2fs_free_blocks_count(fs->super);
 418         pctx.blk2 = ctx->free_blocks;
 419         if ((pctx.blk != pctx.blk2) &&
 420             !(ctx->options & E2F_OPT_READONLY) &&
 421             fix_problem(ctx, PR_0_FREE_BLOCK_COUNT, &pctx)) {
 422                 ext2fs_free_blocks_count_set(fs->super, ctx->free_blocks);
 423                 ext2fs_mark_super_dirty(fs);
 424         }
 425
 426         /* Print the summary message when we're skipping a full check */
 427         log_out(ctx, _("%s: clean, %u/%u files, %llu/%llu blocks"),
 428                 ctx->device_name,
 429                 fs->super->s_inodes_count - fs->super->s_free_inodes_count,
 430                 fs->super->s_inodes_count,
 431                 ext2fs_blocks_count(fs->super) -
 432                 ext2fs_free_blocks_count(fs->super),
 433                 ext2fs_blocks_count(fs->super));
 434         next_check = 100000;
 435         if (fs->super->s_max_mnt_count > 0) {
 436                 next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count;
 437                 if (next_check <= 0)
 438                         next_check = 1;
 439         }
 440         if (!broken_system_clock && fs->super->s_checkinterval &&
 441             ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval))
 442                 next_check = 1;
 443         if (next_check <= 5) {
 444                 if (next_check == 1) {
 445                         if (batt)
 446                                 log_out(ctx, "%s",
 447                                         _(" (check deferred; on battery)"));
 448                         else
 449                                 log_out(ctx, "%s",
 450                                         _(" (check after next mount)"));
 451                 } else
 452                         log_out(ctx, _(" (check in %ld mounts)"),
 453                                 next_check);
 454         }
 455         log_out(ctx, "\n");
 456 skip:
 457         ext2fs_close(fs);
 458         ctx->fs = NULL;
 459         e2fsck_free_context(ctx);
 460         exit(FSCK_OK);
 461 }
 462
 463 /*
 464  * For completion notice
 465  */
 466 struct percent_tbl {
 467         int     max_pass;
 468         int     table[32];
 469 };
 470 static struct percent_tbl e2fsck_tbl = {
 471         5, { 0, 70, 90, 92,  95, 100 }
 472 };
 473 static char bar[128], spaces[128];
 474
 475 static float calc_percent(struct percent_tbl *tbl, int pass, int curr,
 476                           int max)
 477 {
 478         float   percent;
 479
 480         if (pass <= 0)
 481                 return 0.0;
 482         if (pass > tbl->max_pass || max == 0)
 483                 return 100.0;
 484         percent = ((float) curr) / ((float) max);
 485         return ((percent * (tbl->table[pass] - tbl->table[pass-1]))
 486                 + tbl->table[pass-1]);
 487 }
 488
 489 void e2fsck_clear_progbar(e2fsck_t ctx)
 490 {
 491         if (!(ctx->flags & E2F_FLAG_PROG_BAR))
 492                 return;
 493
 494         printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80),
 495                ctx->stop_meta);
 496         fflush(stdout);
 497         ctx->flags &= ~E2F_FLAG_PROG_BAR;
 498 }
 499
 500 int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent,
 501                            unsigned int dpynum)
 502 {
 503         static const char spinner[] = "\\|/-";
 504         int     i;
 505         unsigned int    tick;
 506         struct timeval  tv;
 507         int dpywidth;
 508         int fixed_percent;
 509
 510         if (ctx->flags & E2F_FLAG_PROG_SUPPRESS)
 511                 return 0;
 512
 513         /*
 514          * Calculate the new progress position.  If the
 515          * percentage hasn't changed, then we skip out right
 516          * away.
 517          */
 518         fixed_percent = (int) ((10 * percent) + 0.5);
 519         if (ctx->progress_last_percent == fixed_percent)
 520                 return 0;
 521         ctx->progress_last_percent = fixed_percent;
 522
 523         /*
 524          * If we've already updated the spinner once within
 525          * the last 1/8th of a second, no point doing it
 526          * again.
 527          */
 528         gettimeofday(&tv, NULL);
 529         tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8));
 530         if ((tick == ctx->progress_last_time) &&
 531             (fixed_percent != 0) && (fixed_percent != 1000))
 532                 return 0;
 533         ctx->progress_last_time = tick;
 534
 535         /*
 536          * Advance the spinner, and note that the progress bar
 537          * will be on the screen
 538          */
 539         ctx->progress_pos = (ctx->progress_pos+1) & 3;
 540         ctx->flags |= E2F_FLAG_PROG_BAR;
 541
 542         dpywidth = 66 - strlen(label);
 543         dpywidth = 8 * (dpywidth / 8);
 544         if (dpynum)
 545                 dpywidth -= 8;
 546
 547         i = ((percent * dpywidth) + 50) / 100;
 548         printf("%s%s: |%s%s", ctx->start_meta, label,
 549                bar + (sizeof(bar) - (i+1)),
 550                spaces + (sizeof(spaces) - (dpywidth - i + 1)));
 551         if (fixed_percent == 1000)
 552                 fputc('|', stdout);
 553         else
 554                 fputc(spinner[ctx->progress_pos & 3], stdout);
 555         printf(" %4.1f%%  ", percent);
 556         if (dpynum)
 557                 printf("%u\r", dpynum);
 558         else
 559                 fputs(" \r", stdout);
 560         fputs(ctx->stop_meta, stdout);
 561
 562         if (fixed_percent == 1000)
 563                 e2fsck_clear_progbar(ctx);
 564         fflush(stdout);
 565
 566         return 0;
 567 }
 568
 569 static int e2fsck_update_progress(e2fsck_t ctx, int pass,
 570                                   unsigned long cur, unsigned long max)
 571 {
 572         char buf[1024];
 573         float percent;
 574
 575         if (pass == 0)
 576                 return 0;
 577
 578         if (ctx->progress_fd) {
 579                 snprintf(buf, sizeof(buf), "%d %lu %lu %s\n",
 580                          pass, cur, max, ctx->device_name);
 581                 write_all(ctx->progress_fd, buf, strlen(buf));
 582         } else {
 583                 percent = calc_percent(&e2fsck_tbl, pass, cur, max);
 584                 e2fsck_simple_progress(ctx, ctx->device_name,
 585                                        percent, 0);
 586         }
 587         return 0;
 588 }
 589
 590 #define PATH_SET "PATH=/sbin"
 591
 592 /*
 593  * Make sure 0,1,2 file descriptors are open, so that we don't open
 594  * the filesystem using the same file descriptor as stdout or stderr.
 595  */
 596 static void reserve_stdio_fds(void)
 597 {
 598         int     fd = 0;
 599
 600         while (fd <= 2) {
 601                 fd = open("/dev/null", O_RDWR);
 602                 if (fd < 0) {
 603                         fprintf(stderr, _("ERROR: Couldn't open "
 604                                 "/dev/null (%s)\n"),
 605                                 strerror(errno));
 606                         break;
 607                 }
 608         }
 609 }
 610
 611 #ifdef HAVE_SIGNAL_H
 612 static void signal_progress_on(int sig EXT2FS_ATTR((unused)))
 613 {
 614         e2fsck_t ctx = e2fsck_global_ctx;
 615
 616         if (!ctx)
 617                 return;
 618
 619         ctx->progress = e2fsck_update_progress;
 620 }
 621
 622 static void signal_progress_off(int sig EXT2FS_ATTR((unused)))
 623 {
 624         e2fsck_t ctx = e2fsck_global_ctx;
 625
 626         if (!ctx)
 627                 return;
 628
 629         e2fsck_clear_progbar(ctx);
 630         ctx->progress = 0;
 631 }
 632
 633 static void signal_cancel(int sig EXT2FS_ATTR((unused)))
 634 {
 635         e2fsck_t ctx = e2fsck_global_ctx;
 636
 637         if (!ctx)
 638                 exit(FSCK_CANCELED);
 639
 640         ctx->flags |= E2F_FLAG_CANCEL;
 641 }
 642 #endif
 643
 644 static void parse_extended_opts(e2fsck_t ctx, const char *opts)
 645 {
 646         char    *buf, *token, *next, *p, *arg;
 647         int     ea_ver;
 648         int     extended_usage = 0;
 649
 650         buf = string_copy(ctx, opts, 0);
 651         for (token = buf; token && *token; token = next) {
 652                 p = strchr(token, ',');
 653                 next = 0;
 654                 if (p) {
 655                         *p = 0;
 656                         next = p+1;
 657                 }
 658                 arg = strchr(token, '=');
 659                 if (arg) {
 660                         *arg = 0;
 661                         arg++;
 662                 }
 663                 if (strcmp(token, "ea_ver") == 0) {
 664                         if (!arg) {
 665                                 extended_usage++;
 666                                 continue;
 667                         }
 668                         ea_ver = strtoul(arg, &p, 0);
 669                         if (*p ||
 670                             ((ea_ver != 1) && (ea_ver != 2))) {
 671                                 fprintf(stderr, "%s",
 672                                         _("Invalid EA version.\n"));
 673                                 extended_usage++;
 674                                 continue;
 675                         }
 676                         ctx->ext_attr_ver = ea_ver;
 677                 } else if (strcmp(token, "fragcheck") == 0) {
 678                         ctx->options |= E2F_OPT_FRAGCHECK;
 679                         continue;
 680                 } else if (strcmp(token, "journal_only") == 0) {
 681                         if (arg) {
 682                                 extended_usage++;
 683                                 continue;
 684                         }
 685                         ctx->options |= E2F_OPT_JOURNAL_ONLY;
 686                 } else if (strcmp(token, "discard") == 0) {
 687                         ctx->options |= E2F_OPT_DISCARD;
 688                         continue;
 689                 } else if (strcmp(token, "nodiscard") == 0) {
 690                         ctx->options &= ~E2F_OPT_DISCARD;
 691                         continue;
 692                 } else if (strcmp(token, "log_filename") == 0) {
 693                         if (!arg)
 694                                 extended_usage++;
 695                         else
 696                                 ctx->log_fn = string_copy(ctx, arg, 0);
 697                         continue;
 698                 } else {
 699                         fprintf(stderr, _("Unknown extended option: %s\n"),
 700                                 token);
 701                         extended_usage++;
 702                 }
 703         }
 704         free(buf);
 705
 706         if (extended_usage) {
 707                 fputs(("\nExtended options are separated by commas, "
 708                        "and may take an argument which\n"
 709                        "is set off by an equals ('=') sign.  "
 710                        "Valid extended options are:\n"), stderr);
 711                 fputs(("\tea_ver=<ea_version (1 or 2)>\n"), stderr);
 712                 fputs(("\tfragcheck\n"), stderr);
 713                 fputs(("\tjournal_only\n"), stderr);
 714                 fputs(("\tdiscard\n"), stderr);
 715                 fputs(("\tnodiscard\n"), stderr);
 716                 fputc('\n', stderr);
 717                 exit(1);
 718         }
 719 }
 720
 721 static void syntax_err_report(const char *filename, long err, int line_num)
 722 {
 723         fprintf(stderr,
 724                 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"),
 725                 filename, line_num, error_message(err));
 726         exit(FSCK_ERROR);
 727 }
 728
 729 static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 };
 730
 731 static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
 732 {
 733         int             flush = 0;
 734         int             c, fd;
 735 #ifdef MTRACE
 736         extern void     *mallwatch;
 737 #endif
 738         e2fsck_t        ctx;
 739         errcode_t       retval;
 740 #ifdef HAVE_SIGNAL_H
 741         struct sigaction        sa;
 742 #endif
 743         char            *extended_opts = 0;
 744         char            *cp;
 745         int             res;            /* result of sscanf */
 746 #ifdef CONFIG_JBD_DEBUG
 747         char            *jbd_debug;
 748 #endif
 749
 750         retval = e2fsck_allocate_context(&ctx);
 751         if (retval)
 752                 return retval;
 753
 754         *ret_ctx = ctx;
 755         e2fsck_global_ctx = ctx;
 756
 757         setvbuf(stdout, NULL, _IONBF, BUFSIZ);
 758         setvbuf(stderr, NULL, _IONBF, BUFSIZ);
 759         if (isatty(0) && isatty(1)) {
 760                 ctx->interactive = 1;
 761         } else {
 762                 ctx->start_meta[0] = '\001';
 763                 ctx->stop_meta[0] = '\002';
 764         }
 765         memset(bar, '=', sizeof(bar)-1);
 766         memset(spaces, ' ', sizeof(spaces)-1);
 767         add_error_table(&et_ext2_error_table);
 768         add_error_table(&et_prof_error_table);
 769         blkid_get_cache(&ctx->blkid, NULL);
 770
 771         if (argc && *argv)
 772                 ctx->program_name = *argv;
 773         else
 774                 ctx->program_name = "e2fsck";
 775
 776         while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF)
 777                 switch (c) {
 778                 case 'C':
 779                         ctx->progress = e2fsck_update_progress;
 780                         res = sscanf(optarg, "%d", &ctx->progress_fd);
 781                         if (res != 1)
 782                                 goto sscanf_err;
 783
 784                         if (ctx->progress_fd < 0) {
 785                                 ctx->progress = 0;
 786                                 ctx->progress_fd = ctx->progress_fd * -1;
 787                         }
 788                         if (!ctx->progress_fd)
 789                                 break;
 790                         /* Validate the file descriptor to avoid disasters */
 791                         fd = dup(ctx->progress_fd);
 792                         if (fd < 0) {
 793                                 fprintf(stderr,
 794                                 _("Error validating file descriptor %d: %s\n"),
 795                                         ctx->progress_fd,
 796                                         error_message(errno));
 797                                 fatal_error(ctx,
 798                         _("Invalid completion information file descriptor"));
 799                         } else
 800                                 close(fd);
 801                         break;
 802                 case 'D':
 803                         ctx->options |= E2F_OPT_COMPRESS_DIRS;
 804                         break;
 805                 case 'E':
 806                         extended_opts = optarg;
 807                         break;
 808                 case 'p':
 809                 case 'a':
 810                         if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) {
 811                         conflict_opt:
 812                                 fatal_error(ctx,
 813         _("Only one of the options -p/-a, -n or -y may be specified."));
 814                         }
 815                         ctx->options |= E2F_OPT_PREEN;
 816                         break;
 817                 case 'n':
 818                         if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN))
 819                                 goto conflict_opt;
 820                         ctx->options |= E2F_OPT_NO;
 821                         break;
 822                 case 'y':
 823                         if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO))
 824                                 goto conflict_opt;
 825                         ctx->options |= E2F_OPT_YES;
 826                         break;
 827                 case 't':
 828 #ifdef RESOURCE_TRACK
 829                         if (ctx->options & E2F_OPT_TIME)
 830                                 ctx->options |= E2F_OPT_TIME2;
 831                         else
 832                                 ctx->options |= E2F_OPT_TIME;
 833 #else
 834                         fprintf(stderr, _("The -t option is not "
 835                                 "supported on this version of e2fsck.\n"));
 836 #endif
 837                         break;
 838                 case 'c':
 839                         if (cflag++)
 840                                 ctx->options |= E2F_OPT_WRITECHECK;
 841                         ctx->options |= E2F_OPT_CHECKBLOCKS;
 842                         break;
 843                 case 'r':
 844                         /* What we do by default, anyway! */
 845                         break;
 846                 case 'b':
 847                         res = sscanf(optarg, "%llu", &ctx->use_superblock);
 848                         if (res != 1)
 849                                 goto sscanf_err;
 850                         ctx->flags |= E2F_FLAG_SB_SPECIFIED;
 851                         break;
 852                 case 'B':
 853                         ctx->blocksize = atoi(optarg);
 854                         break;
 855                 case 'I':
 856                         res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks);
 857                         if (res != 1)
 858                                 goto sscanf_err;
 859                         break;
 860                 case 'j':
 861                         ctx->journal_name = blkid_get_devname(ctx->blkid,
 862                                                               optarg, NULL);
 863                         if (!ctx->journal_name) {
 864                                 com_err(ctx->program_name, 0,
 865                                         _("Unable to resolve '%s'"),
 866                                         optarg);
 867                                 fatal_error(ctx, 0);
 868                         }
 869                         break;
 870                 case 'P':
 871                         res = sscanf(optarg, "%d", &ctx->process_inode_size);
 872                         if (res != 1)
 873                                 goto sscanf_err;
 874                         break;
 875                 case 'L':
 876                         replace_bad_blocks++;
 877                 case 'l':
 878                         if (bad_blocks_file)
 879                                 free(bad_blocks_file);
 880                         bad_blocks_file = string_copy(ctx, optarg, 0);
 881                         break;
 882                 case 'd':
 883                         ctx->options |= E2F_OPT_DEBUG;
 884                         break;
 885                 case 'f':
 886                         ctx->options |= E2F_OPT_FORCE;
 887                         break;
 888                 case 'F':
 889                         flush = 1;
 890                         break;
 891                 case 'v':
 892                         verbose = 1;
 893                         break;
 894                 case 'V':
 895                         show_version_only = 1;
 896                         break;
 897 #ifdef MTRACE
 898                 case 'M':
 899                         mallwatch = (void *) strtol(optarg, NULL, 0);
 900                         break;
 901 #endif
 902                 case 'N':
 903                         ctx->device_name = string_copy(ctx, optarg, 0);
 904                         break;
 905                 case 'k':
 906                         keep_bad_blocks++;
 907                         break;
 908                 default:
 909                         usage(ctx);
 910                 }
 911         if (show_version_only)
 912                 return 0;
 913         if (optind != argc - 1)
 914                 usage(ctx);
 915         if ((ctx->options & E2F_OPT_NO) &&
 916             (ctx->options & E2F_OPT_COMPRESS_DIRS)) {
 917                 com_err(ctx->program_name, 0, "%s",
 918                         _("The -n and -D options are incompatible."));
 919                 fatal_error(ctx, 0);
 920         }
 921         if ((ctx->options & E2F_OPT_NO) && cflag) {
 922                 com_err(ctx->program_name, 0, "%s",
 923                         _("The -n and -c options are incompatible."));
 924                 fatal_error(ctx, 0);
 925         }
 926         if ((ctx->options & E2F_OPT_NO) && bad_blocks_file) {
 927                 com_err(ctx->program_name, 0, "%s",
 928                         _("The -n and -l/-L options are incompatible."));
 929                 fatal_error(ctx, 0);
 930         }
 931         if (ctx->options & E2F_OPT_NO)
 932                 ctx->options |= E2F_OPT_READONLY;
 933
 934         ctx->io_options = strchr(argv[optind], '?');
 935         if (ctx->io_options)
 936                 *ctx->io_options++ = 0;
 937         ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0);
 938         if (!ctx->filesystem_name) {
 939                 com_err(ctx->program_name, 0, _("Unable to resolve '%s'"),
 940                         argv[optind]);
 941                 fatal_error(ctx, 0);
 942         }
 943         if (extended_opts)
 944                 parse_extended_opts(ctx, extended_opts);
 945
 946         if ((cp = getenv("E2FSCK_CONFIG")) != NULL)
 947                 config_fn[0] = cp;
 948         profile_set_syntax_err_cb(syntax_err_report);
 949         profile_init(config_fn, &ctx->profile);
 950
 951         profile_get_boolean(ctx->profile, "options", "report_time", 0, 0,
 952                             &c);
 953         if (c)
 954                 ctx->options |= E2F_OPT_TIME | E2F_OPT_TIME2;
 955         profile_get_boolean(ctx->profile, "options", "report_verbose", 0, 0,
 956                             &c);
 957         if (c)
 958                 verbose = 1;
 959
 960         /* Turn off discard in read-only mode */
 961         if ((ctx->options & E2F_OPT_NO) &&
 962             (ctx->options & E2F_OPT_DISCARD))
 963                 ctx->options &= ~E2F_OPT_DISCARD;
 964
 965         if (flush) {
 966                 fd = open(ctx->filesystem_name, O_RDONLY, 0);
 967                 if (fd < 0) {
 968                         com_err("open", errno,
 969                                 _("while opening %s for flushing"),
 970                                 ctx->filesystem_name);
 971                         fatal_error(ctx, 0);
 972                 }
 973                 if ((retval = ext2fs_sync_device(fd, 1))) {
 974                         com_err("ext2fs_sync_device", retval,
 975                                 _("while trying to flush %s"),
 976                                 ctx->filesystem_name);
 977                         fatal_error(ctx, 0);
 978                 }
 979                 close(fd);
 980         }
 981         if (cflag && bad_blocks_file) {
 982                 fprintf(stderr, "%s", _("The -c and the -l/-L options may not "
 983                                         "be both used at the same time.\n"));
 984                 exit(FSCK_USAGE);
 985         }
 986 #ifdef HAVE_SIGNAL_H
 987         /*
 988          * Set up signal action
 989          */
 990         memset(&sa, 0, sizeof(struct sigaction));
 991         sa.sa_handler = signal_cancel;
 992         sigaction(SIGINT, &sa, 0);
 993         sigaction(SIGTERM, &sa, 0);
 994 #ifdef SA_RESTART
 995         sa.sa_flags = SA_RESTART;
 996 #endif
 997         sa.sa_handler = signal_progress_on;
 998         sigaction(SIGUSR1, &sa, 0);
 999         sa.sa_handler = signal_progress_off;
1000         sigaction(SIGUSR2, &sa, 0);
1001 #endif
1002
1003         /* Update our PATH to include /sbin if we need to run badblocks  */
1004         if (cflag) {
1005                 char *oldpath = getenv("PATH");
1006                 char *newpath;
1007                 int len = sizeof(PATH_SET) + 1;
1008
1009                 if (oldpath)
1010                         len += strlen(oldpath);
1011
1012                 newpath = malloc(len);
1013                 if (!newpath)
1014                         fatal_error(ctx, "Couldn't malloc() newpath");
1015                 strcpy(newpath, PATH_SET);
1016
1017                 if (oldpath) {
1018                         strcat(newpath, ":");
1019                         strcat(newpath, oldpath);
1020                 }
1021                 putenv(newpath);
1022         }
1023 #ifdef CONFIG_JBD_DEBUG
1024         jbd_debug = getenv("E2FSCK_JBD_DEBUG");
1025         if (jbd_debug) {
1026                 res = sscanf(jbd_debug, "%d", &journal_enable_debug);
1027                 if (res != 1) {
1028                         fprintf(stderr,
1029                                 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"),
1030                                 jbd_debug);
1031                         exit (1);
1032                 }
1033         }
1034 #endif
1035         return 0;
1036
1037 sscanf_err:
1038         fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"),
1039                 c, optarg);
1040         exit (1);
1041 }
1042
1043 static errcode_t try_open_fs(e2fsck_t ctx, int flags, io_manager io_ptr,
1044                              ext2_filsys *ret_fs)
1045 {
1046         errcode_t retval;
1047
1048         *ret_fs = NULL;
1049         if (ctx->superblock && ctx->blocksize) {
1050                 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
1051                                       flags, ctx->superblock, ctx->blocksize,
1052                                       io_ptr, ret_fs);
1053         } else if (ctx->superblock) {
1054                 int blocksize;
1055                 for (blocksize = EXT2_MIN_BLOCK_SIZE;
1056                      blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) {
1057                         if (*ret_fs) {
1058                                 ext2fs_free(*ret_fs);
1059                                 *ret_fs = NULL;
1060                         }
1061                         retval = ext2fs_open2(ctx->filesystem_name,
1062                                               ctx->io_options, flags,
1063                                               ctx->superblock, blocksize,
1064                                               io_ptr, ret_fs);
1065                         if (!retval)
1066                                 break;
1067                 }
1068         } else
1069                 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
1070                                       flags, 0, 0, io_ptr, ret_fs);
1071
1072         if (retval == 0) {
1073                 (*ret_fs)->priv_data = ctx;
1074                 e2fsck_set_bitmap_type(*ret_fs, EXT2FS_BMAP64_RBTREE,
1075                                        "default", NULL);
1076         }
1077         return retval;
1078 }
1079
1080 static const char *my_ver_string = E2FSPROGS_VERSION;
1081 static const char *my_ver_date = E2FSPROGS_DATE;
1082
1083 static errcode_t e2fsck_check_mmp(ext2_filsys fs, e2fsck_t ctx)
1084 {
1085         struct mmp_struct *mmp_s;
1086         unsigned int mmp_check_interval;
1087         errcode_t retval = 0;
1088         struct problem_context pctx;
1089         unsigned int wait_time = 0;
1090
1091         clear_problem_context(&pctx);
1092         if (fs->mmp_buf == NULL) {
1093                 retval = ext2fs_get_mem(fs->blocksize, &fs->mmp_buf);
1094                 if (retval)
1095                         goto check_error;
1096         }
1097
1098         retval = ext2fs_mmp_read(fs, fs->super->s_mmp_block, fs->mmp_buf);
1099         if (retval)
1100                 goto check_error;
1101
1102         mmp_s = fs->mmp_buf;
1103
1104         mmp_check_interval = fs->super->s_mmp_update_interval;
1105         if (mmp_check_interval < EXT4_MMP_MIN_CHECK_INTERVAL)
1106                 mmp_check_interval = EXT4_MMP_MIN_CHECK_INTERVAL;
1107
1108         /*
1109          * If check_interval in MMP block is larger, use that instead of
1110          * check_interval from the superblock.
1111          */
1112         if (mmp_s->mmp_check_interval > mmp_check_interval)
1113                 mmp_check_interval = mmp_s->mmp_check_interval;
1114
1115         wait_time = mmp_check_interval * 2 + 1;
1116
1117         if (mmp_s->mmp_seq == EXT4_MMP_SEQ_CLEAN)
1118                 retval = 0;
1119         else if (mmp_s->mmp_seq == EXT4_MMP_SEQ_FSCK)
1120                 retval = EXT2_ET_MMP_FSCK_ON;
1121         else if (mmp_s->mmp_seq > EXT4_MMP_SEQ_MAX)
1122                 retval = EXT2_ET_MMP_UNKNOWN_SEQ;
1123
1124         if (retval)
1125                 goto check_error;
1126
1127         /* Print warning if e2fck will wait for more than 20 secs. */
1128         if (verbose || wait_time > EXT4_MMP_MIN_CHECK_INTERVAL * 4) {
1129                 log_out(ctx, _("MMP interval is %u seconds and total wait "
1130                                "time is %u seconds. Please wait...\n"),
1131                         mmp_check_interval, wait_time * 2);
1132         }
1133
1134         return 0;
1135
1136 check_error:
1137
1138         if (retval == EXT2_ET_MMP_BAD_BLOCK) {
1139                 if (fix_problem(ctx, PR_0_MMP_INVALID_BLK, &pctx)) {
1140                         fs->super->s_mmp_block = 0;
1141                         ext2fs_mark_super_dirty(fs);
1142                         retval = 0;
1143                 }
1144         } else if (retval == EXT2_ET_MMP_FAILED) {
1145                 com_err(ctx->program_name, retval, "%s",
1146                         _("while checking MMP block"));
1147                 dump_mmp_msg(fs->mmp_buf, NULL);
1148         } else if (retval == EXT2_ET_MMP_FSCK_ON ||
1149                    retval == EXT2_ET_MMP_UNKNOWN_SEQ) {
1150                 com_err(ctx->program_name, retval, "%s",
1151                         _("while checking MMP block"));
1152                 dump_mmp_msg(fs->mmp_buf,
1153                              _("If you are sure the filesystem is not "
1154                                "in use on any node, run:\n"
1155                                "'tune2fs -f -E clear_mmp {device}'\n"));
1156         } else if (retval == EXT2_ET_MMP_MAGIC_INVALID) {
1157                 if (fix_problem(ctx, PR_0_MMP_INVALID_MAGIC, &pctx)) {
1158                         ext2fs_mmp_clear(fs);
1159                         retval = 0;
1160                 }
1161         } else if (retval == EXT2_ET_MMP_CSUM_INVALID) {
1162                 if (fix_problem(ctx, PR_0_MMP_CSUM_INVALID, &pctx)) {
1163                         ext2fs_mmp_clear(fs);
1164                         retval = 0;
1165                 }
1166         }
1167         return retval;
1168 }
1169
1170 int main (int argc, char *argv[])
1171 {
1172         errcode_t       retval = 0, retval2 = 0, orig_retval = 0;
1173         int             exit_value = FSCK_OK;
1174         ext2_filsys     fs = 0;
1175         io_manager      io_ptr;
1176         struct ext2_super_block *sb;
1177         const char      *lib_ver_date;
1178         int             my_ver, lib_ver;
1179         e2fsck_t        ctx;
1180         blk64_t         orig_superblock;
1181         struct problem_context pctx;
1182         int flags, run_result;
1183         int journal_size;
1184         int sysval, sys_page_size = 4096;
1185         int old_bitmaps;
1186         __u32 features[3];
1187         char *cp;
1188         int qtype = -99;  /* quota type */
1189
1190         clear_problem_context(&pctx);
1191         sigcatcher_setup();
1192 #ifdef MTRACE
1193         mtrace();
1194 #endif
1195 #ifdef MCHECK
1196         mcheck(0);
1197 #endif
1198 #ifdef ENABLE_NLS
1199         setlocale(LC_MESSAGES, "");
1200         setlocale(LC_CTYPE, "");
1201         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
1202         textdomain(NLS_CAT_NAME);
1203         set_com_err_gettext(gettext);
1204 #endif
1205         my_ver = ext2fs_parse_version_string(my_ver_string);
1206         lib_ver = ext2fs_get_library_version(0, &lib_ver_date);
1207         if (my_ver > lib_ver) {
1208                 fprintf( stderr, "%s",
1209                          _("Error: ext2fs library version out of date!\n"));
1210                 show_version_only++;
1211         }
1212
1213         retval = PRS(argc, argv, &ctx);
1214         if (retval) {
1215                 com_err("e2fsck", retval, "%s",
1216                         _("while trying to initialize program"));
1217                 exit(FSCK_ERROR);
1218         }
1219         reserve_stdio_fds();
1220
1221         set_up_logging(ctx);
1222         if (ctx->logf) {
1223                 int i;
1224                 fputs("E2fsck run: ", ctx->logf);
1225                 for (i = 0; i < argc; i++) {
1226                         if (i)
1227                                 fputc(' ', ctx->logf);
1228                         fputs(argv[i], ctx->logf);
1229                 }
1230                 fputc('\n', ctx->logf);
1231         }
1232
1233         init_resource_track(&ctx->global_rtrack, NULL);
1234         if (!(ctx->options & E2F_OPT_PREEN) || show_version_only)
1235                 log_err(ctx, "e2fsck %s (%s)\n", my_ver_string,
1236                          my_ver_date);
1237
1238         if (show_version_only) {
1239                 log_err(ctx, _("\tUsing %s, %s\n"),
1240                         error_message(EXT2_ET_BASE), lib_ver_date);
1241                 exit(FSCK_OK);
1242         }
1243
1244         check_mount(ctx);
1245
1246         if (!(ctx->options & E2F_OPT_PREEN) &&
1247             !(ctx->options & E2F_OPT_NO) &&
1248             !(ctx->options & E2F_OPT_YES)) {
1249                 if (!ctx->interactive)
1250                         fatal_error(ctx,
1251                                     _("need terminal for interactive repairs"));
1252         }
1253         ctx->superblock = ctx->use_superblock;
1254
1255         flags = EXT2_FLAG_SKIP_MMP;
1256 restart:
1257 #ifdef CONFIG_TESTIO_DEBUG
1258         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1259                 io_ptr = test_io_manager;
1260                 test_io_backing_manager = unix_io_manager;
1261         } else
1262 #endif
1263                 io_ptr = unix_io_manager;
1264         flags |= EXT2_FLAG_NOFREE_ON_ERROR;
1265         profile_get_boolean(ctx->profile, "options", "old_bitmaps", 0, 0,
1266                             &old_bitmaps);
1267         if (!old_bitmaps)
1268                 flags |= EXT2_FLAG_64BITS;
1269         if ((ctx->options & E2F_OPT_READONLY) == 0) {
1270                 flags |= EXT2_FLAG_RW;
1271                 if (!(ctx->mount_flags & EXT2_MF_ISROOT &&
1272                       ctx->mount_flags & EXT2_MF_READONLY))
1273                         flags |= EXT2_FLAG_EXCLUSIVE;
1274                 if ((ctx->mount_flags & EXT2_MF_READONLY) &&
1275                     (ctx->options & E2F_OPT_FORCE))
1276                         flags &= ~EXT2_FLAG_EXCLUSIVE;
1277         }
1278
1279         retval = try_open_fs(ctx, flags, io_ptr, &fs);
1280
1281         if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) &&
1282             !(ctx->flags & E2F_FLAG_SB_SPECIFIED) &&
1283             ((retval == EXT2_ET_BAD_MAGIC) ||
1284              (retval == EXT2_ET_SB_CSUM_INVALID) ||
1285              (retval == EXT2_ET_CORRUPT_SUPERBLOCK) ||
1286              ((retval == 0) && (retval2 = ext2fs_check_desc(fs))))) {
1287                 if (retval) {
1288                         pctx.errcode = retval;
1289                         fix_problem(ctx, PR_0_OPEN_FAILED, &pctx);
1290                 }
1291                 if (retval2) {
1292                         pctx.errcode = retval2;
1293                         fix_problem(ctx, PR_0_CHECK_DESC_FAILED, &pctx);
1294                 }
1295                 pctx.errcode = 0;
1296                 if (retval2 == ENOMEM || retval2 == EXT2_ET_NO_MEMORY) {
1297                         retval = retval2;
1298                         goto failure;
1299                 }
1300                 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) {
1301                         ext2fs_free(fs);
1302                         fs = NULL;
1303                 }
1304                 if (!fs || (fs->group_desc_count > 1)) {
1305                         log_out(ctx, _("%s: %s trying backup blocks...\n"),
1306                                 ctx->program_name,
1307                                 retval ? _("Superblock invalid,") :
1308                                 _("Group descriptors look bad..."));
1309                         orig_superblock = ctx->superblock;
1310                         get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr);
1311                         if (fs)
1312                                 ext2fs_close(fs);
1313                         orig_retval = retval;
1314                         retval = try_open_fs(ctx, flags, io_ptr, &fs);
1315                         if ((orig_retval == 0) && retval != 0) {
1316                                 if (fs)
1317                                         ext2fs_close(fs);
1318                                 log_out(ctx, _("%s: %s while using the "
1319                                                "backup blocks"),
1320                                         ctx->program_name,
1321                                         error_message(retval));
1322                                 log_out(ctx, _("%s: going back to original "
1323                                                "superblock\n"),
1324                                         ctx->program_name);
1325                                 ctx->superblock = orig_superblock;
1326                                 retval = try_open_fs(ctx, flags, io_ptr, &fs);
1327                         }
1328                 }
1329         }
1330         if (((retval == EXT2_ET_UNSUPP_FEATURE) ||
1331              (retval == EXT2_ET_RO_UNSUPP_FEATURE)) &&
1332             fs && fs->super) {
1333                 sb = fs->super;
1334                 features[0] = (sb->s_feature_compat &
1335                                ~EXT2_LIB_FEATURE_COMPAT_SUPP);
1336                 features[1] = (sb->s_feature_incompat &
1337                                ~EXT2_LIB_FEATURE_INCOMPAT_SUPP);
1338                 features[2] = (sb->s_feature_ro_compat &
1339                                ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
1340                 if (features[0] || features[1] || features[2])
1341                         goto print_unsupp_features;
1342         }
1343 failure:
1344         if (retval) {
1345                 if (orig_retval)
1346                         retval = orig_retval;
1347                 com_err(ctx->program_name, retval, _("while trying to open %s"),
1348                         ctx->filesystem_name);
1349                 if (retval == EXT2_ET_REV_TOO_HIGH) {
1350                         log_out(ctx, "%s",
1351                                 _("The filesystem revision is apparently "
1352                                   "too high for this version of e2fsck.\n"
1353                                   "(Or the filesystem superblock "
1354                                   "is corrupt)\n\n"));
1355                         fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
1356                 } else if (retval == EXT2_ET_SHORT_READ)
1357                         log_out(ctx, "%s",
1358                                 _("Could this be a zero-length partition?\n"));
1359                 else if ((retval == EPERM) || (retval == EACCES))
1360                         log_out(ctx, _("You must have %s access to the "
1361                                        "filesystem or be root\n"),
1362                                (ctx->options & E2F_OPT_READONLY) ?
1363                                "r/o" : "r/w");
1364                 else if (retval == ENXIO)
1365                         log_out(ctx, "%s",
1366                                 _("Possibly non-existent or swap device?\n"));
1367                 else if (retval == EBUSY)
1368                         log_out(ctx, "%s", _("Filesystem mounted or opened "
1369                                          "exclusively by another program?\n"));
1370                 else if (retval == ENOENT)
1371                         log_out(ctx, "%s",
1372                                 _("Possibly non-existent device?\n"));
1373 #ifdef EROFS
1374                 else if (retval == EROFS)
1375                         log_out(ctx, "%s", _("Disk write-protected; use the "
1376                                              "-n option to do a read-only\n"
1377                                              "check of the device.\n"));
1378 #endif
1379                 else
1380                         fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
1381                 fatal_error(ctx, 0);
1382         }
1383         /*
1384          * We only update the master superblock because (a) paranoia;
1385          * we don't want to corrupt the backup superblocks, and (b) we
1386          * don't need to update the mount count and last checked
1387          * fields in the backup superblock (the kernel doesn't update
1388          * the backup superblocks anyway).  With newer versions of the
1389          * library this flag is set by ext2fs_open2(), but we set this
1390          * here just to be sure.  (No, we don't support e2fsck running
1391          * with some other libext2fs than the one that it was shipped
1392          * with, but just in case....)
1393          */
1394         fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
1395
1396         if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) {
1397                 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super);
1398                 int need_restart = 0;
1399
1400                 pctx.errcode = ext2fs_get_device_size2(ctx->filesystem_name,
1401                                                        blocksize,
1402                                                        &ctx->num_blocks);
1403                 /*
1404                  * The floppy driver refuses to allow anyone else to
1405                  * open the device if has been opened with O_EXCL;
1406                  * this is unlike other block device drivers in Linux.
1407                  * To handle this, we close the filesystem and then
1408                  * reopen the filesystem after we get the device size.
1409                  */
1410                 if (pctx.errcode == EBUSY) {
1411                         ext2fs_close(fs);
1412                         need_restart++;
1413                         pctx.errcode =
1414                                 ext2fs_get_device_size2(ctx->filesystem_name,
1415                                                         blocksize,
1416                                                         &ctx->num_blocks);
1417                 }
1418                 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED)
1419                         ctx->num_blocks = 0;
1420                 else if (pctx.errcode) {
1421                         fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx);
1422                         ctx->flags |= E2F_FLAG_ABORT;
1423                         fatal_error(ctx, 0);
1424                 }
1425                 ctx->flags |= E2F_FLAG_GOT_DEVSIZE;
1426                 if (need_restart)
1427                         goto restart;
1428         }
1429
1430         ctx->fs = fs;
1431         fs->now = ctx->now;
1432         sb = fs->super;
1433
1434         if (sb->s_rev_level > E2FSCK_CURRENT_REV) {
1435                 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH,
1436                         _("while trying to open %s"),
1437                         ctx->filesystem_name);
1438         get_newer:
1439                 fatal_error(ctx, _("Get a newer version of e2fsck!"));
1440         }
1441
1442         /*
1443          * Set the device name, which is used whenever we print error
1444          * or informational messages to the user.
1445          */
1446         if (ctx->device_name == 0 &&
1447             (sb->s_volume_name[0] != 0)) {
1448                 ctx->device_name = string_copy(ctx, sb->s_volume_name,
1449                                                sizeof(sb->s_volume_name));
1450         }
1451         if (ctx->device_name == 0)
1452                 ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0);
1453         for (cp = ctx->device_name; *cp; cp++)
1454                 if (isspace(*cp) || *cp == ':')
1455                         *cp = '_';
1456
1457         ehandler_init(fs->io);
1458
1459         if ((fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) &&
1460             (flags & EXT2_FLAG_SKIP_MMP)) {
1461                 if (e2fsck_check_mmp(fs, ctx))
1462                         fatal_error(ctx, 0);
1463
1464                 /*
1465                  * Restart in order to reopen fs but this time start mmp.
1466                  */
1467                 ext2fs_close(fs);
1468                 ctx->fs = NULL;
1469                 flags &= ~EXT2_FLAG_SKIP_MMP;
1470                 goto restart;
1471         }
1472
1473         if (ctx->logf)
1474                 fprintf(ctx->logf, "Filesystem UUID: %s\n",
1475                         e2p_uuid2str(sb->s_uuid));
1476
1477         /*
1478          * Make sure the ext3 superblock fields are consistent.
1479          */
1480         retval = e2fsck_check_ext3_journal(ctx);
1481         if (retval) {
1482                 com_err(ctx->program_name, retval,
1483                         _("while checking ext3 journal for %s"),
1484                         ctx->device_name);
1485                 fatal_error(ctx, 0);
1486         }
1487
1488         /*
1489          * Check to see if we need to do ext3-style recovery.  If so,
1490          * do it, and then restart the fsck.
1491          */
1492         if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) {
1493                 if (ctx->options & E2F_OPT_READONLY) {
1494                         log_out(ctx, "%s",
1495                                 _("Warning: skipping journal recovery because "
1496                                   "doing a read-only filesystem check.\n"));
1497                         io_channel_flush(ctx->fs->io);
1498                 } else {
1499                         if (ctx->flags & E2F_FLAG_RESTARTED) {
1500                                 /*
1501                                  * Whoops, we attempted to run the
1502                                  * journal twice.  This should never
1503                                  * happen, unless the hardware or
1504                                  * device driver is being bogus.
1505                                  */
1506                                 com_err(ctx->program_name, 0,
1507                                         _("unable to set superblock flags "
1508                                           "on %s\n"), ctx->device_name);
1509                                 fatal_error(ctx, 0);
1510                         }
1511                         retval = e2fsck_run_ext3_journal(ctx);
1512                         if (retval) {
1513                                 com_err(ctx->program_name, retval,
1514                                 _("while recovering ext3 journal of %s"),
1515                                         ctx->device_name);
1516                                 fatal_error(ctx, 0);
1517                         }
1518                         ext2fs_close(ctx->fs);
1519                         ctx->fs = 0;
1520                         ctx->flags |= E2F_FLAG_RESTARTED;
1521                         goto restart;
1522                 }
1523         }
1524
1525         /*
1526          * Check for compatibility with the feature sets.  We need to
1527          * be more stringent than ext2fs_open().
1528          */
1529         features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP;
1530         features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP;
1531         features[2] = (sb->s_feature_ro_compat &
1532                        ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
1533 print_unsupp_features:
1534         if (features[0] || features[1] || features[2]) {
1535                 int     i, j;
1536                 __u32   *mask = features, m;
1537
1538                 log_err(ctx, _("%s has unsupported feature(s):"),
1539                         ctx->filesystem_name);
1540
1541                 for (i=0; i <3; i++,mask++) {
1542                         for (j=0,m=1; j < 32; j++, m<<=1) {
1543                                 if (*mask & m)
1544                                         log_err(ctx, " %s",
1545                                                 e2p_feature2string(i, m));
1546                         }
1547                 }
1548                 log_err(ctx, "\n");
1549                 goto get_newer;
1550         }
1551 #ifdef ENABLE_COMPRESSION
1552         if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION)
1553                 log_err(ctx, _("%s: warning: compression support "
1554                                "is experimental.\n"),
1555                         ctx->program_name);
1556 #endif
1557 #ifndef ENABLE_HTREE
1558         if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) {
1559                 log_err(ctx, _("%s: e2fsck not compiled with HTREE support,\n\t"
1560                           "but filesystem %s has HTREE directories.\n"),
1561                         ctx->program_name, ctx->device_name);
1562                 goto get_newer;
1563         }
1564 #endif
1565
1566         /*
1567          * If the user specified a specific superblock, presumably the
1568          * master superblock has been trashed.  So we mark the
1569          * superblock as dirty, so it can be written out.
1570          */
1571         if (ctx->superblock &&
1572             !(ctx->options & E2F_OPT_READONLY))
1573                 ext2fs_mark_super_dirty(fs);
1574
1575         /*
1576          * Calculate the number of filesystem blocks per pagesize.  If
1577          * fs->blocksize > page_size, set the number of blocks per
1578          * pagesize to 1 to avoid division by zero errors.
1579          */
1580 #ifdef _SC_PAGESIZE
1581         sysval = sysconf(_SC_PAGESIZE);
1582         if (sysval > 0)
1583                 sys_page_size = sysval;
1584 #endif /* _SC_PAGESIZE */
1585         ctx->blocks_per_page = sys_page_size / fs->blocksize;
1586         if (ctx->blocks_per_page == 0)
1587                 ctx->blocks_per_page = 1;
1588
1589         if (ctx->superblock)
1590                 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0);
1591         ext2fs_mark_valid(fs);
1592         check_super_block(ctx);
1593         if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1594                 fatal_error(ctx, 0);
1595         check_if_skip(ctx);
1596         check_resize_inode(ctx);
1597         if (bad_blocks_file)
1598                 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks);
1599         else if (cflag)
1600                 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */
1601         if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1602                 fatal_error(ctx, 0);
1603
1604         /*
1605          * Mark the system as valid, 'til proven otherwise
1606          */
1607         ext2fs_mark_valid(fs);
1608
1609         retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
1610         if (retval) {
1611                 log_out(ctx, _("%s: %s while reading bad blocks inode\n"),
1612                         ctx->program_name, error_message(retval));
1613                 preenhalt(ctx);
1614                 log_out(ctx, "%s", _("This doesn't bode well, "
1615                                      "but we'll try to go on...\n"));
1616         }
1617
1618         /*
1619          * Save the journal size in megabytes.
1620          * Try and use the journal size from the backup else let e2fsck
1621          * find the default journal size.
1622          */
1623         if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS)
1624                 journal_size = (sb->s_jnl_blocks[15] << (32 - 20)) |
1625                                (sb->s_jnl_blocks[16] >> 20);
1626         else
1627                 journal_size = -1;
1628
1629         if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_QUOTA) {
1630                 /* Quotas were enabled. Do quota accounting during fsck. */
1631                 if ((sb->s_usr_quota_inum && sb->s_grp_quota_inum) ||
1632                     (!sb->s_usr_quota_inum && !sb->s_grp_quota_inum))
1633                         qtype = -1;
1634                 else
1635                         qtype = sb->s_usr_quota_inum ? USRQUOTA : GRPQUOTA;
1636
1637                 quota_init_context(&ctx->qctx, ctx->fs, qtype);
1638         }
1639
1640         run_result = e2fsck_run(ctx);
1641         e2fsck_clear_progbar(ctx);
1642
1643         if (ctx->flags & E2F_FLAG_JOURNAL_INODE) {
1644                 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) {
1645                         if (journal_size < 1024)
1646                                 journal_size = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super));
1647                         if (journal_size < 0) {
1648                                 fs->super->s_feature_compat &=
1649                                         ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1650                                 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
1651                                 log_out(ctx, "%s: Couldn't determine "
1652                                         "journal size\n", ctx->program_name);
1653                                 goto no_journal;
1654                         }
1655                         log_out(ctx, _("Creating journal (%d blocks): "),
1656                                journal_size);
1657                         fflush(stdout);
1658                         retval = ext2fs_add_journal_inode(fs,
1659                                                           journal_size, 0);
1660                         if (retval) {
1661                                 log_out(ctx, "%s: while trying to create "
1662                                         "journal\n", error_message(retval));
1663                                 goto no_journal;
1664                         }
1665                         log_out(ctx, "%s", _(" Done.\n"));
1666                         log_out(ctx, "%s",
1667                                 _("\n*** journal has been re-created - "
1668                                   "filesystem is now ext3 again ***\n"));
1669                 }
1670         }
1671 no_journal:
1672
1673         if (ctx->qctx) {
1674                 int i, needs_writeout;
1675                 for (i = 0; i < MAXQUOTAS; i++) {
1676                         if (qtype != -1 && qtype != i)
1677                                 continue;
1678                         needs_writeout = 0;
1679                         pctx.num = i;
1680                         retval = quota_compare_and_update(ctx->qctx, i,
1681                                                           &needs_writeout);
1682                         if ((retval || needs_writeout) &&
1683                             fix_problem(ctx, PR_6_UPDATE_QUOTAS, &pctx))
1684                                 quota_write_inode(ctx->qctx, i);
1685                 }
1686                 quota_release_context(&ctx->qctx);
1687         }
1688
1689         if (run_result == E2F_FLAG_RESTART) {
1690                 log_out(ctx, "%s",
1691                         _("Restarting e2fsck from the beginning...\n"));
1692                 retval = e2fsck_reset_context(ctx);
1693                 if (retval) {
1694                         com_err(ctx->program_name, retval, "%s",
1695                                 _("while resetting context"));
1696                         fatal_error(ctx, 0);
1697                 }
1698                 ext2fs_close(fs);
1699                 goto restart;
1700         }
1701         if (run_result & E2F_FLAG_CANCEL) {
1702                 log_out(ctx, _("%s: e2fsck canceled.\n"), ctx->device_name ?
1703                         ctx->device_name : ctx->filesystem_name);
1704                 exit_value |= FSCK_CANCELED;
1705         }
1706         if (run_result & E2F_FLAG_ABORT)
1707                 fatal_error(ctx, _("aborted"));
1708         if (check_backup_super_block(ctx)) {
1709                 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
1710                 ext2fs_mark_super_dirty(fs);
1711         }
1712
1713 #ifdef MTRACE
1714         mtrace_print("Cleanup");
1715 #endif
1716         if (ext2fs_test_changed(fs)) {
1717                 exit_value |= FSCK_NONDESTRUCT;
1718                 if (!(ctx->options & E2F_OPT_PREEN))
1719                         log_out(ctx, _("\n%s: ***** FILE SYSTEM WAS "
1720                                        "MODIFIED *****\n"),
1721                                 ctx->device_name);
1722                 if (ctx->mount_flags & EXT2_MF_ISROOT) {
1723                         log_out(ctx, _("%s: ***** REBOOT LINUX *****\n"),
1724                                 ctx->device_name);
1725                         exit_value |= FSCK_REBOOT;
1726                 }
1727         }
1728         if (!ext2fs_test_valid(fs) ||
1729             ((exit_value & FSCK_CANCELED) &&
1730              (sb->s_state & EXT2_ERROR_FS))) {
1731                 log_out(ctx, _("\n%s: ********** WARNING: Filesystem still has "
1732                                "errors **********\n\n"), ctx->device_name);
1733                 exit_value |= FSCK_UNCORRECTED;
1734                 exit_value &= ~FSCK_NONDESTRUCT;
1735         }
1736         if (exit_value & FSCK_CANCELED) {
1737                 int     allow_cancellation;
1738
1739                 profile_get_boolean(ctx->profile, "options",
1740                                     "allow_cancellation", 0, 0,
1741                                     &allow_cancellation);
1742                 exit_value &= ~FSCK_NONDESTRUCT;
1743                 if (allow_cancellation && ext2fs_test_valid(fs) &&
1744                     (sb->s_state & EXT2_VALID_FS) &&
1745                     !(sb->s_state & EXT2_ERROR_FS))
1746                         exit_value = 0;
1747         } else {
1748                 show_stats(ctx);
1749                 if (!(ctx->options & E2F_OPT_READONLY)) {
1750                         if (ext2fs_test_valid(fs)) {
1751                                 if (!(sb->s_state & EXT2_VALID_FS))
1752                                         exit_value |= FSCK_NONDESTRUCT;
1753                                 sb->s_state = EXT2_VALID_FS;
1754                         } else
1755                                 sb->s_state &= ~EXT2_VALID_FS;
1756                         sb->s_mnt_count = 0;
1757                         if (!(ctx->flags & E2F_FLAG_TIME_INSANE))
1758                                 sb->s_lastcheck = ctx->now;
1759                         memset(((char *) sb) + EXT4_S_ERR_START, 0,
1760                                EXT4_S_ERR_LEN);
1761                         ext2fs_mark_super_dirty(fs);
1762                 }
1763         }
1764
1765         if ((run_result & E2F_FLAG_CANCEL) == 0 &&
1766             ext2fs_has_group_desc_csum(ctx->fs) &&
1767             !(ctx->options & E2F_OPT_READONLY)) {
1768                 retval = ext2fs_set_gdt_csum(ctx->fs);
1769                 if (retval) {
1770                         com_err(ctx->program_name, retval, "%s",
1771                                 _("while setting block group checksum info"));
1772                         fatal_error(ctx, 0);
1773                 }
1774         }
1775
1776         e2fsck_write_bitmaps(ctx);
1777         io_channel_flush(ctx->fs->io);
1778         print_resource_track(ctx, NULL, &ctx->global_rtrack, ctx->fs->io);
1779
1780         ext2fs_close(fs);
1781         ctx->fs = NULL;
1782         free(ctx->journal_name);
1783
1784         e2fsck_free_context(ctx);
1785         remove_error_table(&et_ext2_error_table);
1786         remove_error_table(&et_prof_error_table);
1787         return exit_value;
1788 }