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