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