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 #include <stdio.h> 13 #ifdef HAVE_STDLIB_H 14 #include <stdlib.h> 15 #endif 16 #include <string.h> 17 #include <fcntl.h> 18 #include <ctype.h> 19 #include <time.h> 20 #ifdef HAVE_SIGNAL_H 21 #include <signal.h> 22 #endif 23 #ifdef HAVE_GETOPT_H 24 #include <getopt.h> 25 #else 26 extern char *optarg; 27 extern int optind; 28 #endif 29 #include <unistd.h> 30 #ifdef HAVE_ERRNO_H 31 #include <errno.h> 32 #endif 33 #ifdef HAVE_MNTENT_H 34 #include <mntent.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 "et/com_err.h" 50 #include "e2fsck.h" 51 #include "problem.h" 52 #include "../version.h" 53 54 /* Command line options */ 55 static int swapfs; 56 static int normalize_swapfs; 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 #ifndef ROOT_SYSCONFDIR 72 #define ROOT_SYSCONFDIR "/etc/" 73 #endif 74 75 static void usage(e2fsck_t ctx) 76 { 77 fprintf(stderr, 78 _("Usage: %s [-panyrcdfvstDFSV] [-b superblock] [-B blocksize]\n" 79 "\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n" 80 "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n" 81 "\t\t[-E extended-options] device\n"), 82 ctx->program_name); 83 84 fprintf(stderr, _("\nEmergency help:\n" 85 " -p Automatic repair (no questions)\n" 86 " -n Make no changes to the filesystem\n" 87 " -y Assume \"yes\" to all questions\n" 88 " -c Check for bad blocks and add them to the badblock list\n" 89 " -f Force checking even if filesystem is marked clean\n")); 90 fprintf(stderr, _("" 91 " -v Be verbose\n" 92 " -b superblock Use alternative superblock\n" 93 " -B blocksize Force blocksize when looking for superblock\n" 94 " -j external_journal Set location of the external journal\n" 95 " -l bad_blocks_file Add to badblocks list\n" 96 " -L bad_blocks_file Set badblocks list\n" 97 )); 98 99 exit(FSCK_USAGE); 100 } 101 102 static void show_stats(e2fsck_t ctx) 103 { 104 ext2_filsys fs = ctx->fs; 105 ext2_ino_t inodes, inodes_used; 106 blk_t blocks, blocks_used; 107 int dir_links; 108 int num_files, num_links; 109 int frag_percent; 110 111 dir_links = 2 * ctx->fs_directory_count - 1; 112 num_files = ctx->fs_total_count - dir_links; 113 num_links = ctx->fs_links_count - dir_links; 114 inodes = fs->super->s_inodes_count; 115 inodes_used = (fs->super->s_inodes_count - 116 fs->super->s_free_inodes_count); 117 blocks = fs->super->s_blocks_count; 118 blocks_used = (fs->super->s_blocks_count - 119 fs->super->s_free_blocks_count); 120 121 frag_percent = (10000 * ctx->fs_fragmented) / inodes_used; 122 frag_percent = (frag_percent + 5) / 10; 123 124 if (!verbose) { 125 printf(_("%s: %u/%u files (%0d.%d%% non-contiguous), %u/%u blocks\n"), 126 ctx->device_name, inodes_used, inodes, 127 frag_percent / 10, frag_percent % 10, 128 blocks_used, blocks); 129 return; 130 } 131 printf (P_("\n%8u inode used (%2.2f%%)\n", "\n%8u inodes used (%2.2f%%)\n", 132 inodes_used), inodes_used, 100.0 * inodes_used / inodes); 133 printf (P_("%8u non-contiguous inode (%0d.%d%%)\n", 134 "%8u non-contiguous inodes (%0d.%d%%)\n", 135 ctx->fs_fragmented), 136 ctx->fs_fragmented, frag_percent / 10, frag_percent % 10); 137 printf (_(" # of inodes with ind/dind/tind blocks: %u/%u/%u\n"), 138 ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count); 139 printf (P_("%8u block used (%2.2f%%)\n", "%8u blocks used (%2.2f%%)\n", 140 blocks_used), blocks_used, 100.0 * blocks_used / blocks); 141 printf (P_("%8u bad block\n", "%8u bad blocks\n", 142 ctx->fs_badblocks_count), ctx->fs_badblocks_count); 143 printf (P_("%8u large file\n", "%8u large files\n", 144 ctx->large_files), ctx->large_files); 145 printf (P_("\n%8u regular file\n", "\n%8u regular files\n", 146 ctx->fs_regular_count), ctx->fs_regular_count); 147 printf (P_("%8u directory\n", "%8u directories\n", 148 ctx->fs_directory_count), ctx->fs_directory_count); 149 printf (P_("%8u character device file\n", 150 "%8u character device files\n", ctx->fs_chardev_count), 151 ctx->fs_chardev_count); 152 printf (P_("%8u block device file\n", "%8u block device files\n", 153 ctx->fs_blockdev_count), ctx->fs_blockdev_count); 154 printf (P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_count), 155 ctx->fs_fifo_count); 156 printf (P_("%8u link\n", "%8u links\n", 157 ctx->fs_links_count - dir_links), 158 ctx->fs_links_count - dir_links); 159 printf (P_("%8u symbolic link", "%8u symbolic links", 160 ctx->fs_symlinks_count), ctx->fs_symlinks_count); 161 printf (P_(" (%u fast symbolic link)\n", " (%u fast symbolic links)\n", 162 ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count); 163 printf (P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count), 164 ctx->fs_sockets_count); 165 printf ("--------\n"); 166 printf (P_("%8u file\n", "%8u files\n", 167 ctx->fs_total_count - dir_links), 168 ctx->fs_total_count - dir_links); 169 } 170 171 static void check_mount(e2fsck_t ctx) 172 { 173 errcode_t retval; 174 int cont; 175 176 retval = ext2fs_check_if_mounted(ctx->filesystem_name, 177 &ctx->mount_flags); 178 if (retval) { 179 com_err("ext2fs_check_if_mount", retval, 180 _("while determining whether %s is mounted."), 181 ctx->filesystem_name); 182 return; 183 } 184 185 /* 186 * If the filesystem isn't mounted, or it's the root 187 * filesystem and it's mounted read-only, and we're not doing 188 * a read/write check, then everything's fine. 189 */ 190 if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) || 191 ((ctx->mount_flags & EXT2_MF_ISROOT) && 192 (ctx->mount_flags & EXT2_MF_READONLY) && 193 !(ctx->options & E2F_OPT_WRITECHECK))) 194 return; 195 196 if ((ctx->options & E2F_OPT_READONLY) && 197 !(ctx->options & E2F_OPT_WRITECHECK)) { 198 printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name); 199 return; 200 } 201 202 printf(_("%s is mounted. "), ctx->filesystem_name); 203 if (!ctx->interactive) 204 fatal_error(ctx, _("Cannot continue, aborting.\n\n")); 205 printf(_("\n\n\007\007\007\007WARNING!!! " 206 "Running e2fsck on a mounted filesystem may cause\n" 207 "SEVERE filesystem damage.\007\007\007\n\n")); 208 cont = ask_yn(_("Do you really want to continue"), -1); 209 if (!cont) { 210 printf (_("check aborted.\n")); 211 exit (0); 212 } 213 return; 214 } 215 216 static int is_on_batt(void) 217 { 218 FILE *f; 219 DIR *d; 220 char tmp[80], tmp2[80], fname[80]; 221 unsigned int acflag; 222 struct dirent* de; 223 224 f = fopen("/proc/apm", "r"); 225 if (f) { 226 if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) 227 acflag = 1; 228 fclose(f); 229 return (acflag != 1); 230 } 231 d = opendir("/proc/acpi/ac_adapter"); 232 if (d) { 233 while ((de=readdir(d)) != NULL) { 234 if (!strncmp(".", de->d_name, 1)) 235 continue; 236 snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state", 237 de->d_name); 238 f = fopen(fname, "r"); 239 if (!f) 240 continue; 241 if (fscanf(f, "%s %s", tmp2, tmp) != 2) 242 tmp[0] = 0; 243 fclose(f); 244 if (strncmp(tmp, "off-line", 8) == 0) { 245 closedir(d); 246 return 1; 247 } 248 } 249 closedir(d); 250 } 251 return 0; 252 } 253 254 /* 255 * This routine checks to see if a filesystem can be skipped; if so, 256 * it will exit with E2FSCK_OK. Under some conditions it will print a 257 * message explaining why a check is being forced. 258 */ 259 static void check_if_skip(e2fsck_t ctx) 260 { 261 ext2_filsys fs = ctx->fs; 262 const char *reason = NULL; 263 unsigned int reason_arg = 0; 264 long next_check; 265 int batt = is_on_batt(); 266 int defer_check_on_battery; 267 time_t lastcheck; 268 269 profile_get_boolean(ctx->profile, "options", 270 "defer_check_on_battery", 0, 1, 271 &defer_check_on_battery); 272 if (!defer_check_on_battery) 273 batt = 0; 274 275 if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || 276 cflag || swapfs) 277 return; 278 279 lastcheck = fs->super->s_lastcheck; 280 if (lastcheck > ctx->now) 281 lastcheck -= ctx->time_fudge; 282 if ((fs->super->s_state & EXT2_ERROR_FS) || 283 !ext2fs_test_valid(fs)) 284 reason = _(" contains a file system with errors"); 285 else if ((fs->super->s_state & EXT2_VALID_FS) == 0) 286 reason = _(" was not cleanly unmounted"); 287 else if (check_backup_super_block(ctx)) 288 reason = _(" primary superblock features different from backup"); 289 else if ((fs->super->s_max_mnt_count > 0) && 290 (fs->super->s_mnt_count >= 291 (unsigned) fs->super->s_max_mnt_count)) { 292 reason = _(" has been mounted %u times without being checked"); 293 reason_arg = fs->super->s_mnt_count; 294 if (batt && (fs->super->s_mnt_count < 295 (unsigned) fs->super->s_max_mnt_count*2)) 296 reason = 0; 297 } else if (fs->super->s_checkinterval && 298 ((ctx->now - lastcheck) >= fs->super->s_checkinterval)) { 299 reason = _(" has gone %u days without being checked"); 300 reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24); 301 if (batt && ((ctx->now - fs->super->s_lastcheck) < 302 fs->super->s_checkinterval*2)) 303 reason = 0; 304 } 305 if (reason) { 306 fputs(ctx->device_name, stdout); 307 printf(reason, reason_arg); 308 fputs(_(", check forced.\n"), stdout); 309 return; 310 } 311 printf(_("%s: clean, %u/%u files, %u/%u blocks"), ctx->device_name, 312 fs->super->s_inodes_count - fs->super->s_free_inodes_count, 313 fs->super->s_inodes_count, 314 fs->super->s_blocks_count - fs->super->s_free_blocks_count, 315 fs->super->s_blocks_count); 316 next_check = 100000; 317 if (fs->super->s_max_mnt_count > 0) { 318 next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count; 319 if (next_check <= 0) 320 next_check = 1; 321 } 322 if (fs->super->s_checkinterval && 323 ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval)) 324 next_check = 1; 325 if (next_check <= 5) { 326 if (next_check == 1) { 327 if (batt) 328 fputs(_(" (check deferred; on battery)"), 329 stdout); 330 else 331 fputs(_(" (check after next mount)"), stdout); 332 } else 333 printf(_(" (check in %ld mounts)"), next_check); 334 } 335 fputc('\n', stdout); 336 ext2fs_close(fs); 337 ctx->fs = NULL; 338 e2fsck_free_context(ctx); 339 exit(FSCK_OK); 340 } 341 342 /* 343 * For completion notice 344 */ 345 struct percent_tbl { 346 int max_pass; 347 int table[32]; 348 }; 349 struct percent_tbl e2fsck_tbl = { 350 5, { 0, 70, 90, 92, 95, 100 } 351 }; 352 static char bar[128], spaces[128]; 353 354 static float calc_percent(struct percent_tbl *tbl, int pass, int curr, 355 int max) 356 { 357 float percent; 358 359 if (pass <= 0) 360 return 0.0; 361 if (pass > tbl->max_pass || max == 0) 362 return 100.0; 363 percent = ((float) curr) / ((float) max); 364 return ((percent * (tbl->table[pass] - tbl->table[pass-1])) 365 + tbl->table[pass-1]); 366 } 367 368 extern void e2fsck_clear_progbar(e2fsck_t ctx) 369 { 370 if (!(ctx->flags & E2F_FLAG_PROG_BAR)) 371 return; 372 373 printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80), 374 ctx->stop_meta); 375 fflush(stdout); 376 ctx->flags &= ~E2F_FLAG_PROG_BAR; 377 } 378 379 int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, 380 unsigned int dpynum) 381 { 382 static const char spinner[] = "\\|/-"; 383 int i; 384 unsigned int tick; 385 struct timeval tv; 386 int dpywidth; 387 int fixed_percent; 388 389 if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) 390 return 0; 391 392 /* 393 * Calculate the new progress position. If the 394 * percentage hasn't changed, then we skip out right 395 * away. 396 */ 397 fixed_percent = (int) ((10 * percent) + 0.5); 398 if (ctx->progress_last_percent == fixed_percent) 399 return 0; 400 ctx->progress_last_percent = fixed_percent; 401 402 /* 403 * If we've already updated the spinner once within 404 * the last 1/8th of a second, no point doing it 405 * again. 406 */ 407 gettimeofday(&tv, NULL); 408 tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); 409 if ((tick == ctx->progress_last_time) && 410 (fixed_percent != 0) && (fixed_percent != 1000)) 411 return 0; 412 ctx->progress_last_time = tick; 413 414 /* 415 * Advance the spinner, and note that the progress bar 416 * will be on the screen 417 */ 418 ctx->progress_pos = (ctx->progress_pos+1) & 3; 419 ctx->flags |= E2F_FLAG_PROG_BAR; 420 421 dpywidth = 66 - strlen(label); 422 dpywidth = 8 * (dpywidth / 8); 423 if (dpynum) 424 dpywidth -= 8; 425 426 i = ((percent * dpywidth) + 50) / 100; 427 printf("%s%s: |%s%s", ctx->start_meta, label, 428 bar + (sizeof(bar) - (i+1)), 429 spaces + (sizeof(spaces) - (dpywidth - i + 1))); 430 if (fixed_percent == 1000) 431 fputc('|', stdout); 432 else 433 fputc(spinner[ctx->progress_pos & 3], stdout); 434 printf(" %4.1f%% ", percent); 435 if (dpynum) 436 printf("%u\r", dpynum); 437 else 438 fputs(" \r", stdout); 439 fputs(ctx->stop_meta, stdout); 440 441 if (fixed_percent == 1000) 442 e2fsck_clear_progbar(ctx); 443 fflush(stdout); 444 445 return 0; 446 } 447 448 static int e2fsck_update_progress(e2fsck_t ctx, int pass, 449 unsigned long cur, unsigned long max) 450 { 451 char buf[80]; 452 float percent; 453 454 if (pass == 0) 455 return 0; 456 457 if (ctx->progress_fd) { 458 sprintf(buf, "%d %lu %lu\n", pass, cur, max); 459 write(ctx->progress_fd, buf, strlen(buf)); 460 } else { 461 percent = calc_percent(&e2fsck_tbl, pass, cur, max); 462 e2fsck_simple_progress(ctx, ctx->device_name, 463 percent, 0); 464 } 465 return 0; 466 } 467 468 #define PATH_SET "PATH=/sbin" 469 470 static void reserve_stdio_fds(void) 471 { 472 int fd; 473 474 while (1) { 475 fd = open("/dev/null", O_RDWR); 476 if (fd > 2) 477 break; 478 if (fd < 0) { 479 fprintf(stderr, _("ERROR: Couldn't open " 480 "/dev/null (%s)\n"), 481 strerror(errno)); 482 break; 483 } 484 } 485 close(fd); 486 } 487 488 #ifdef HAVE_SIGNAL_H 489 static void signal_progress_on(int sig EXT2FS_ATTR((unused))) 490 { 491 e2fsck_t ctx = e2fsck_global_ctx; 492 493 if (!ctx) 494 return; 495 496 ctx->progress = e2fsck_update_progress; 497 ctx->progress_fd = 0; 498 } 499 500 static void signal_progress_off(int sig EXT2FS_ATTR((unused))) 501 { 502 e2fsck_t ctx = e2fsck_global_ctx; 503 504 if (!ctx) 505 return; 506 507 e2fsck_clear_progbar(ctx); 508 ctx->progress = 0; 509 } 510 511 static void signal_cancel(int sig EXT2FS_ATTR((unused))) 512 { 513 e2fsck_t ctx = e2fsck_global_ctx; 514 515 if (!ctx) 516 exit(FSCK_CANCELED); 517 518 ctx->flags |= E2F_FLAG_CANCEL; 519 } 520 #endif 521 522 static void parse_extended_opts(e2fsck_t ctx, const char *opts) 523 { 524 char *buf, *token, *next, *p, *arg; 525 int ea_ver; 526 int extended_usage = 0; 527 528 buf = string_copy(ctx, opts, 0); 529 for (token = buf; token && *token; token = next) { 530 p = strchr(token, ','); 531 next = 0; 532 if (p) { 533 *p = 0; 534 next = p+1; 535 } 536 arg = strchr(token, '='); 537 if (arg) { 538 *arg = 0; 539 arg++; 540 } 541 if (strcmp(token, "ea_ver") == 0) { 542 if (!arg) { 543 extended_usage++; 544 continue; 545 } 546 ea_ver = strtoul(arg, &p, 0); 547 if (*p || 548 ((ea_ver != 1) && (ea_ver != 2))) { 549 fprintf(stderr, 550 _("Invalid EA version.\n")); 551 extended_usage++; 552 continue; 553 } 554 ctx->ext_attr_ver = ea_ver; 555 } else { 556 fprintf(stderr, _("Unknown extended option: %s\n"), 557 token); 558 extended_usage++; 559 } 560 } 561 free(buf); 562 563 if (extended_usage) { 564 fputs(("\nExtended options are separated by commas, " 565 "and may take an argument which\n" 566 "is set off by an equals ('=') sign. " 567 "Valid extended options are:\n" 568 "\tea_ver=<ea_version (1 or 2)>\n\n"), stderr); 569 exit(1); 570 } 571 } 572 573 static void syntax_err_report(const char *filename, long err, int line_num) 574 { 575 fprintf(stderr, 576 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"), 577 filename, line_num, error_message(err)); 578 exit(FSCK_ERROR); 579 } 580 581 static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 }; 582 583 static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx) 584 { 585 int flush = 0; 586 int c, fd; 587 #ifdef MTRACE 588 extern void *mallwatch; 589 #endif 590 e2fsck_t ctx; 591 errcode_t retval; 592 #ifdef HAVE_SIGNAL_H 593 struct sigaction sa; 594 #endif 595 char *extended_opts = 0; 596 char *cp; 597 int res; /* result of sscanf */ 598 #ifdef CONFIG_JBD_DEBUG 599 char *jbd_debug; 600 #endif 601 602 retval = e2fsck_allocate_context(&ctx); 603 if (retval) 604 return retval; 605 606 *ret_ctx = ctx; 607 608 setvbuf(stdout, NULL, _IONBF, BUFSIZ); 609 setvbuf(stderr, NULL, _IONBF, BUFSIZ); 610 if (isatty(0) && isatty(1)) { 611 ctx->interactive = 1; 612 } else { 613 ctx->start_meta[0] = '\001'; 614 ctx->stop_meta[0] = '\002'; 615 } 616 memset(bar, '=', sizeof(bar)-1); 617 memset(spaces, ' ', sizeof(spaces)-1); 618 add_error_table(&et_ext2_error_table); 619 add_error_table(&et_prof_error_table); 620 blkid_get_cache(&ctx->blkid, NULL); 621 622 if (argc && *argv) 623 ctx->program_name = *argv; 624 else 625 ctx->program_name = "e2fsck"; 626 while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF) 627 switch (c) { 628 case 'C': 629 ctx->progress = e2fsck_update_progress; 630 res = sscanf(optarg, "%d", &ctx->progress_fd); 631 if (res != 1) 632 goto sscanf_err; 633 634 if (!ctx->progress_fd) 635 break; 636 /* Validate the file descriptor to avoid disasters */ 637 fd = dup(ctx->progress_fd); 638 if (fd < 0) { 639 fprintf(stderr, 640 _("Error validating file descriptor %d: %s\n"), 641 ctx->progress_fd, 642 error_message(errno)); 643 fatal_error(ctx, 644 _("Invalid completion information file descriptor")); 645 } else 646 close(fd); 647 break; 648 case 'D': 649 ctx->options |= E2F_OPT_COMPRESS_DIRS; 650 break; 651 case 'E': 652 extended_opts = optarg; 653 break; 654 case 'p': 655 case 'a': 656 if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) { 657 conflict_opt: 658 fatal_error(ctx, 659 _("Only one of the options -p/-a, -n or -y may be specified.")); 660 } 661 ctx->options |= E2F_OPT_PREEN; 662 break; 663 case 'n': 664 if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN)) 665 goto conflict_opt; 666 ctx->options |= E2F_OPT_NO; 667 break; 668 case 'y': 669 if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO)) 670 goto conflict_opt; 671 ctx->options |= E2F_OPT_YES; 672 break; 673 case 't': 674 #ifdef RESOURCE_TRACK 675 if (ctx->options & E2F_OPT_TIME) 676 ctx->options |= E2F_OPT_TIME2; 677 else 678 ctx->options |= E2F_OPT_TIME; 679 #else 680 fprintf(stderr, _("The -t option is not " 681 "supported on this version of e2fsck.\n")); 682 #endif 683 break; 684 case 'c': 685 if (cflag++) 686 ctx->options |= E2F_OPT_WRITECHECK; 687 ctx->options |= E2F_OPT_CHECKBLOCKS; 688 break; 689 case 'r': 690 /* What we do by default, anyway! */ 691 break; 692 case 'b': 693 res = sscanf(optarg, "%d", &ctx->use_superblock); 694 if (res != 1) 695 goto sscanf_err; 696 ctx->flags |= E2F_FLAG_SB_SPECIFIED; 697 break; 698 case 'B': 699 ctx->blocksize = atoi(optarg); 700 break; 701 case 'I': 702 res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks); 703 if (res != 1) 704 goto sscanf_err; 705 break; 706 case 'j': 707 ctx->journal_name = string_copy(ctx, optarg, 0); 708 break; 709 case 'P': 710 res = sscanf(optarg, "%d", &ctx->process_inode_size); 711 if (res != 1) 712 goto sscanf_err; 713 break; 714 case 'L': 715 replace_bad_blocks++; 716 case 'l': 717 bad_blocks_file = string_copy(ctx, optarg, 0); 718 break; 719 case 'd': 720 ctx->options |= E2F_OPT_DEBUG; 721 break; 722 case 'f': 723 ctx->options |= E2F_OPT_FORCE; 724 break; 725 case 'F': 726 flush = 1; 727 break; 728 case 'v': 729 verbose = 1; 730 break; 731 case 'V': 732 show_version_only = 1; 733 break; 734 #ifdef MTRACE 735 case 'M': 736 mallwatch = (void *) strtol(optarg, NULL, 0); 737 break; 738 #endif 739 case 'N': 740 ctx->device_name = optarg; 741 break; 742 #ifdef ENABLE_SWAPFS 743 case 's': 744 normalize_swapfs = 1; 745 case 'S': 746 swapfs = 1; 747 break; 748 #else 749 case 's': 750 case 'S': 751 fprintf(stderr, _("Byte-swapping filesystems " 752 "not compiled in this version " 753 "of e2fsck\n")); 754 exit(1); 755 #endif 756 case 'k': 757 keep_bad_blocks++; 758 break; 759 default: 760 usage(ctx); 761 } 762 if (show_version_only) 763 return 0; 764 if (optind != argc - 1) 765 usage(ctx); 766 if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file && 767 !cflag && !swapfs && !(ctx->options & E2F_OPT_COMPRESS_DIRS)) 768 ctx->options |= E2F_OPT_READONLY; 769 ctx->io_options = strchr(argv[optind], '?'); 770 if (ctx->io_options) 771 *ctx->io_options++ = 0; 772 ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0); 773 if (!ctx->filesystem_name) { 774 com_err(ctx->program_name, 0, _("Unable to resolve '%s'"), 775 argv[optind]); 776 fatal_error(ctx, 0); 777 } 778 if (extended_opts) 779 parse_extended_opts(ctx, extended_opts); 780 781 if ((cp = getenv("E2FSCK_CONFIG")) != NULL) 782 config_fn[0] = cp; 783 profile_set_syntax_err_cb(syntax_err_report); 784 profile_init(config_fn, &ctx->profile); 785 786 if (flush) { 787 fd = open(ctx->filesystem_name, O_RDONLY, 0); 788 if (fd < 0) { 789 com_err("open", errno, 790 _("while opening %s for flushing"), 791 ctx->filesystem_name); 792 fatal_error(ctx, 0); 793 } 794 if ((retval = ext2fs_sync_device(fd, 1))) { 795 com_err("ext2fs_sync_device", retval, 796 _("while trying to flush %s"), 797 ctx->filesystem_name); 798 fatal_error(ctx, 0); 799 } 800 close(fd); 801 } 802 #ifdef ENABLE_SWAPFS 803 if (swapfs) { 804 if (cflag || bad_blocks_file) { 805 fprintf(stderr, _("Incompatible options not " 806 "allowed when byte-swapping.\n")); 807 exit(FSCK_USAGE); 808 } 809 } 810 #endif 811 if (cflag && bad_blocks_file) { 812 fprintf(stderr, _("The -c and the -l/-L options may " 813 "not be both used at the same time.\n")); 814 exit(FSCK_USAGE); 815 } 816 #ifdef HAVE_SIGNAL_H 817 /* 818 * Set up signal action 819 */ 820 memset(&sa, 0, sizeof(struct sigaction)); 821 sa.sa_handler = signal_cancel; 822 sigaction(SIGINT, &sa, 0); 823 sigaction(SIGTERM, &sa, 0); 824 #ifdef SA_RESTART 825 sa.sa_flags = SA_RESTART; 826 #endif 827 e2fsck_global_ctx = ctx; 828 sa.sa_handler = signal_progress_on; 829 sigaction(SIGUSR1, &sa, 0); 830 sa.sa_handler = signal_progress_off; 831 sigaction(SIGUSR2, &sa, 0); 832 #endif 833 834 /* Update our PATH to include /sbin if we need to run badblocks */ 835 if (cflag) { 836 char *oldpath = getenv("PATH"); 837 char *newpath; 838 int len = sizeof(PATH_SET) + 1; 839 840 if (oldpath) 841 len += strlen(oldpath); 842 843 newpath = malloc(len); 844 if (!newpath) 845 fatal_error(ctx, "Couldn't malloc() newpath"); 846 strcpy(newpath, PATH_SET); 847 848 if (oldpath) { 849 strcat(newpath, ":"); 850 strcat(newpath, oldpath); 851 } 852 putenv(newpath); 853 } 854 #ifdef CONFIG_JBD_DEBUG 855 jbd_debug = getenv("E2FSCK_JBD_DEBUG"); 856 if (jbd_debug) { 857 res = sscanf(jbd_debug, "%d", &journal_enable_debug); 858 if (res != 1) { 859 fprintf(stderr, 860 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"), 861 jbd_debug); 862 exit (1); 863 } 864 } 865 #endif 866 return 0; 867 868 sscanf_err: 869 fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"), 870 c, optarg); 871 exit (1); 872 } 873 874 static const char *my_ver_string = E2FSPROGS_VERSION; 875 static const char *my_ver_date = E2FSPROGS_DATE; 876 877 int main (int argc, char *argv[]) 878 { 879 errcode_t retval = 0, orig_retval = 0; 880 int exit_value = FSCK_OK; 881 ext2_filsys fs = 0; 882 io_manager io_ptr; 883 struct ext2_super_block *sb; 884 const char *lib_ver_date; 885 int my_ver, lib_ver; 886 e2fsck_t ctx; 887 struct problem_context pctx; 888 int flags, run_result; 889 int journal_size; 890 int sysval, sys_page_size = 4096; 891 __u32 features[3]; 892 893 clear_problem_context(&pctx); 894 #ifdef MTRACE 895 mtrace(); 896 #endif 897 #ifdef MCHECK 898 mcheck(0); 899 #endif 900 #ifdef ENABLE_NLS 901 setlocale(LC_MESSAGES, ""); 902 setlocale(LC_CTYPE, ""); 903 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 904 textdomain(NLS_CAT_NAME); 905 #endif 906 my_ver = ext2fs_parse_version_string(my_ver_string); 907 lib_ver = ext2fs_get_library_version(0, &lib_ver_date); 908 if (my_ver > lib_ver) { 909 fprintf( stderr, _("Error: ext2fs library version " 910 "out of date!\n")); 911 show_version_only++; 912 } 913 914 retval = PRS(argc, argv, &ctx); 915 if (retval) { 916 com_err("e2fsck", retval, 917 _("while trying to initialize program")); 918 exit(FSCK_ERROR); 919 } 920 reserve_stdio_fds(); 921 922 #ifdef RESOURCE_TRACK 923 init_resource_track(&ctx->global_rtrack); 924 #endif 925 926 if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) 927 fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string, 928 my_ver_date); 929 930 if (show_version_only) { 931 fprintf(stderr, _("\tUsing %s, %s\n"), 932 error_message(EXT2_ET_BASE), lib_ver_date); 933 exit(FSCK_OK); 934 } 935 936 check_mount(ctx); 937 938 if (!(ctx->options & E2F_OPT_PREEN) && 939 !(ctx->options & E2F_OPT_NO) && 940 !(ctx->options & E2F_OPT_YES)) { 941 if (!ctx->interactive) 942 fatal_error(ctx, 943 _("need terminal for interactive repairs")); 944 } 945 ctx->superblock = ctx->use_superblock; 946 restart: 947 #ifdef CONFIG_TESTIO_DEBUG 948 io_ptr = test_io_manager; 949 test_io_backing_manager = unix_io_manager; 950 #else 951 io_ptr = unix_io_manager; 952 #endif 953 flags = EXT2_FLAG_NOFREE_ON_ERROR; 954 if ((ctx->options & E2F_OPT_READONLY) == 0) 955 flags |= EXT2_FLAG_RW; 956 if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0) 957 flags |= EXT2_FLAG_EXCLUSIVE; 958 959 if (ctx->superblock && ctx->blocksize) { 960 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 961 flags, ctx->superblock, ctx->blocksize, 962 io_ptr, &fs); 963 } else if (ctx->superblock) { 964 int blocksize; 965 for (blocksize = EXT2_MIN_BLOCK_SIZE; 966 blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { 967 retval = ext2fs_open2(ctx->filesystem_name, 968 ctx->io_options, flags, 969 ctx->superblock, blocksize, 970 io_ptr, &fs); 971 if (!retval) 972 break; 973 } 974 } else 975 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 976 flags, 0, 0, io_ptr, &fs); 977 if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && 978 !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && 979 ((retval == EXT2_ET_BAD_MAGIC) || 980 (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || 981 ((retval == 0) && ext2fs_check_desc(fs)))) { 982 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) { 983 ext2fs_free(fs); 984 fs = NULL; 985 } 986 if (!fs || (fs->group_desc_count > 1)) { 987 printf(_("%s: %s trying backup blocks...\n"), 988 ctx->program_name, 989 retval ? _("Superblock invalid,") : 990 _("Group descriptors look bad...")); 991 get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); 992 if (fs) 993 ext2fs_close(fs); 994 orig_retval = retval; 995 goto restart; 996 } 997 } 998 if (((retval == EXT2_ET_UNSUPP_FEATURE) || 999 (retval == EXT2_ET_RO_UNSUPP_FEATURE)) && 1000 fs && fs->super) { 1001 sb = fs->super; 1002 features[0] = (sb->s_feature_compat & 1003 ~EXT2_LIB_FEATURE_COMPAT_SUPP); 1004 features[1] = (sb->s_feature_incompat & 1005 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP); 1006 features[2] = (sb->s_feature_ro_compat & 1007 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 1008 if (features[0] || features[1] || features[2]) 1009 goto print_unsupp_features; 1010 } 1011 if (retval) { 1012 if (orig_retval) 1013 retval = orig_retval; 1014 com_err(ctx->program_name, retval, _("while trying to open %s"), 1015 ctx->filesystem_name); 1016 if (retval == EXT2_ET_REV_TOO_HIGH) { 1017 printf(_("The filesystem revision is apparently " 1018 "too high for this version of e2fsck.\n" 1019 "(Or the filesystem superblock " 1020 "is corrupt)\n\n")); 1021 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1022 } else if (retval == EXT2_ET_SHORT_READ) 1023 printf(_("Could this be a zero-length partition?\n")); 1024 else if ((retval == EPERM) || (retval == EACCES)) 1025 printf(_("You must have %s access to the " 1026 "filesystem or be root\n"), 1027 (ctx->options & E2F_OPT_READONLY) ? 1028 "r/o" : "r/w"); 1029 else if (retval == ENXIO) 1030 printf(_("Possibly non-existent or swap device?\n")); 1031 else if (retval == EBUSY) 1032 printf(_("Filesystem mounted or opened exclusively " 1033 "by another program?\n")); 1034 #ifdef EROFS 1035 else if (retval == EROFS) 1036 printf(_("Disk write-protected; use the -n option " 1037 "to do a read-only\n" 1038 "check of the device.\n")); 1039 #endif 1040 else 1041 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1042 fatal_error(ctx, 0); 1043 } 1044 /* 1045 * We only update the master superblock because (a) paranoia; 1046 * we don't want to corrupt the backup superblocks, and (b) we 1047 * don't need to update the mount count and last checked 1048 * fields in the backup superblock (the kernel doesn't update 1049 * the backup superblocks anyway). With newer versions of the 1050 * library this flag is set by ext2fs_open2(), but we set this 1051 * here just to be sure. (No, we don't support e2fsck running 1052 * with some other libext2fs than the one that it was shipped 1053 * with, but just in case....) 1054 */ 1055 fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; 1056 1057 if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) { 1058 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super); 1059 int need_restart = 0; 1060 1061 pctx.errcode = ext2fs_get_device_size(ctx->filesystem_name, 1062 blocksize, 1063 &ctx->num_blocks); 1064 /* 1065 * The floppy driver refuses to allow anyone else to 1066 * open the device if has been opened with O_EXCL; 1067 * this is unlike other block device drivers in Linux. 1068 * To handle this, we close the filesystem and then 1069 * reopen the filesystem after we get the device size. 1070 */ 1071 if (pctx.errcode == EBUSY) { 1072 ext2fs_close(fs); 1073 need_restart++; 1074 pctx.errcode = 1075 ext2fs_get_device_size(ctx->filesystem_name, 1076 blocksize, 1077 &ctx->num_blocks); 1078 } 1079 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED) 1080 ctx->num_blocks = 0; 1081 else if (pctx.errcode) { 1082 fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); 1083 ctx->flags |= E2F_FLAG_ABORT; 1084 fatal_error(ctx, 0); 1085 } 1086 ctx->flags |= E2F_FLAG_GOT_DEVSIZE; 1087 if (need_restart) 1088 goto restart; 1089 } 1090 1091 ctx->fs = fs; 1092 fs->priv_data = ctx; 1093 fs->now = ctx->now; 1094 sb = fs->super; 1095 if (sb->s_rev_level > E2FSCK_CURRENT_REV) { 1096 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH, 1097 _("while trying to open %s"), 1098 ctx->filesystem_name); 1099 get_newer: 1100 fatal_error(ctx, _("Get a newer version of e2fsck!")); 1101 } 1102 1103 /* 1104 * Set the device name, which is used whenever we print error 1105 * or informational messages to the user. 1106 */ 1107 if (ctx->device_name == 0 && 1108 (sb->s_volume_name[0] != 0)) { 1109 ctx->device_name = string_copy(ctx, sb->s_volume_name, 1110 sizeof(sb->s_volume_name)); 1111 } 1112 if (ctx->device_name == 0) 1113 ctx->device_name = ctx->filesystem_name; 1114 1115 /* 1116 * Make sure the ext3 superblock fields are consistent. 1117 */ 1118 retval = e2fsck_check_ext3_journal(ctx); 1119 if (retval) { 1120 com_err(ctx->program_name, retval, 1121 _("while checking ext3 journal for %s"), 1122 ctx->device_name); 1123 fatal_error(ctx, 0); 1124 } 1125 1126 /* 1127 * Check to see if we need to do ext3-style recovery. If so, 1128 * do it, and then restart the fsck. 1129 */ 1130 if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) { 1131 if (ctx->options & E2F_OPT_READONLY) { 1132 printf(_("Warning: skipping journal recovery " 1133 "because doing a read-only filesystem " 1134 "check.\n")); 1135 io_channel_flush(ctx->fs->io); 1136 } else { 1137 if (ctx->flags & E2F_FLAG_RESTARTED) { 1138 /* 1139 * Whoops, we attempted to run the 1140 * journal twice. This should never 1141 * happen, unless the hardware or 1142 * device driver is being bogus. 1143 */ 1144 com_err(ctx->program_name, 0, 1145 _("unable to set superblock flags on %s\n"), ctx->device_name); 1146 fatal_error(ctx, 0); 1147 } 1148 retval = e2fsck_run_ext3_journal(ctx); 1149 if (retval) { 1150 com_err(ctx->program_name, retval, 1151 _("while recovering ext3 journal of %s"), 1152 ctx->device_name); 1153 fatal_error(ctx, 0); 1154 } 1155 ext2fs_close(ctx->fs); 1156 ctx->fs = 0; 1157 ctx->flags |= E2F_FLAG_RESTARTED; 1158 goto restart; 1159 } 1160 } 1161 1162 /* 1163 * Check for compatibility with the feature sets. We need to 1164 * be more stringent than ext2fs_open(). 1165 */ 1166 features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP; 1167 features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP; 1168 features[2] = (sb->s_feature_ro_compat & 1169 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 1170 print_unsupp_features: 1171 if (features[0] || features[1] || features[2]) { 1172 int i, j; 1173 __u32 *mask = features, m; 1174 1175 fprintf(stderr, _("%s has unsupported feature(s):"), 1176 ctx->filesystem_name); 1177 1178 for (i=0; i <3; i++,mask++) { 1179 for (j=0,m=1; j < 32; j++, m<<=1) { 1180 if (*mask & m) 1181 fprintf(stderr, " %s", 1182 e2p_feature2string(i, m)); 1183 } 1184 } 1185 putc('\n', stderr); 1186 goto get_newer; 1187 } 1188 #ifdef ENABLE_COMPRESSION 1189 if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION) 1190 com_err(ctx->program_name, 0, 1191 _("Warning: compression support is experimental.\n")); 1192 #endif 1193 #ifndef ENABLE_HTREE 1194 if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) { 1195 com_err(ctx->program_name, 0, 1196 _("E2fsck not compiled with HTREE support,\n\t" 1197 "but filesystem %s has HTREE directories.\n"), 1198 ctx->device_name); 1199 goto get_newer; 1200 } 1201 #endif 1202 1203 /* 1204 * If the user specified a specific superblock, presumably the 1205 * master superblock has been trashed. So we mark the 1206 * superblock as dirty, so it can be written out. 1207 */ 1208 if (ctx->superblock && 1209 !(ctx->options & E2F_OPT_READONLY)) 1210 ext2fs_mark_super_dirty(fs); 1211 1212 /* 1213 * Calculate the number of filesystem blocks per pagesize. If 1214 * fs->blocksize > page_size, set the number of blocks per 1215 * pagesize to 1 to avoid division by zero errors. 1216 */ 1217 #ifdef _SC_PAGESIZE 1218 sysval = sysconf(_SC_PAGESIZE); 1219 if (sysval > 0) 1220 sys_page_size = sysval; 1221 #endif /* _SC_PAGESIZE */ 1222 ctx->blocks_per_page = sys_page_size / fs->blocksize; 1223 if (ctx->blocks_per_page == 0) 1224 ctx->blocks_per_page = 1; 1225 1226 ehandler_init(fs->io); 1227 1228 if (ctx->superblock) 1229 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); 1230 ext2fs_mark_valid(fs); 1231 check_super_block(ctx); 1232 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1233 fatal_error(ctx, 0); 1234 check_if_skip(ctx); 1235 if (bad_blocks_file) 1236 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks); 1237 else if (cflag) 1238 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */ 1239 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1240 fatal_error(ctx, 0); 1241 #ifdef ENABLE_SWAPFS 1242 if (normalize_swapfs) { 1243 if ((fs->flags & EXT2_FLAG_SWAP_BYTES) == 1244 ext2fs_native_flag()) { 1245 fprintf(stderr, _("%s: Filesystem byte order " 1246 "already normalized.\n"), ctx->device_name); 1247 fatal_error(ctx, 0); 1248 } 1249 } 1250 if (swapfs) { 1251 swap_filesys(ctx); 1252 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1253 fatal_error(ctx, 0); 1254 } 1255 #endif 1256 1257 /* 1258 * Mark the system as valid, 'til proven otherwise 1259 */ 1260 ext2fs_mark_valid(fs); 1261 1262 retval = ext2fs_read_bb_inode(fs, &fs->badblocks); 1263 if (retval) { 1264 com_err(ctx->program_name, retval, 1265 _("while reading bad blocks inode")); 1266 preenhalt(ctx); 1267 printf(_("This doesn't bode well," 1268 " but we'll try to go on...\n")); 1269 } 1270 1271 /* 1272 * Save the journal size in megabytes. 1273 * Try and use the journal size from the backup else let e2fsck 1274 * find the default journal size. 1275 */ 1276 if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) 1277 journal_size = sb->s_jnl_blocks[16] >> 20; 1278 else 1279 journal_size = -1; 1280 1281 run_result = e2fsck_run(ctx); 1282 e2fsck_clear_progbar(ctx); 1283 1284 if (ctx->flags & E2F_FLAG_JOURNAL_INODE) { 1285 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) { 1286 if (journal_size < 1024) 1287 journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count); 1288 if (journal_size < 0) { 1289 fs->super->s_feature_compat &= 1290 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1291 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1292 com_err(ctx->program_name, 0, 1293 _("Couldn't determine journal size")); 1294 goto no_journal; 1295 } 1296 printf(_("Creating journal (%d blocks): "), 1297 journal_size); 1298 fflush(stdout); 1299 retval = ext2fs_add_journal_inode(fs, 1300 journal_size, 0); 1301 if (retval) { 1302 com_err("Error ", retval, 1303 _("\n\twhile trying to create journal")); 1304 goto no_journal; 1305 } 1306 printf(_(" Done.\n")); 1307 printf(_("\n*** journal has been re-created - " 1308 "filesystem is now ext3 again ***\n")); 1309 } 1310 } 1311 no_journal: 1312 1313 if (run_result == E2F_FLAG_RESTART) { 1314 printf(_("Restarting e2fsck from the beginning...\n")); 1315 retval = e2fsck_reset_context(ctx); 1316 if (retval) { 1317 com_err(ctx->program_name, retval, 1318 _("while resetting context")); 1319 fatal_error(ctx, 0); 1320 } 1321 ext2fs_close(fs); 1322 goto restart; 1323 } 1324 if (run_result & E2F_FLAG_CANCEL) { 1325 printf(_("%s: e2fsck canceled.\n"), ctx->device_name ? 1326 ctx->device_name : ctx->filesystem_name); 1327 exit_value |= FSCK_CANCELED; 1328 } 1329 if (run_result & E2F_FLAG_ABORT) 1330 fatal_error(ctx, _("aborted")); 1331 if (check_backup_super_block(ctx)) { 1332 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1333 ext2fs_mark_super_dirty(fs); 1334 } 1335 1336 #ifdef MTRACE 1337 mtrace_print("Cleanup"); 1338 #endif 1339 if (ext2fs_test_changed(fs)) { 1340 exit_value |= FSCK_NONDESTRUCT; 1341 if (!(ctx->options & E2F_OPT_PREEN)) 1342 printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"), 1343 ctx->device_name); 1344 if (ctx->mount_flags & EXT2_MF_ISROOT) { 1345 printf(_("%s: ***** REBOOT LINUX *****\n"), 1346 ctx->device_name); 1347 exit_value |= FSCK_REBOOT; 1348 } 1349 } 1350 if (!ext2fs_test_valid(fs) || 1351 ((exit_value & FSCK_CANCELED) && 1352 (sb->s_state & EXT2_ERROR_FS))) { 1353 printf(_("\n%s: ********** WARNING: Filesystem still has " 1354 "errors **********\n\n"), ctx->device_name); 1355 exit_value |= FSCK_UNCORRECTED; 1356 exit_value &= ~FSCK_NONDESTRUCT; 1357 } 1358 if (exit_value & FSCK_CANCELED) { 1359 int allow_cancellation; 1360 1361 profile_get_boolean(ctx->profile, "options", 1362 "allow_cancellation", 0, 0, 1363 &allow_cancellation); 1364 exit_value &= ~FSCK_NONDESTRUCT; 1365 if (allow_cancellation && ext2fs_test_valid(fs) && 1366 (sb->s_state & EXT2_VALID_FS) && 1367 !(sb->s_state & EXT2_ERROR_FS)) 1368 exit_value = 0; 1369 } else { 1370 show_stats(ctx); 1371 if (!(ctx->options & E2F_OPT_READONLY)) { 1372 if (ext2fs_test_valid(fs)) { 1373 if (!(sb->s_state & EXT2_VALID_FS)) 1374 exit_value |= FSCK_NONDESTRUCT; 1375 sb->s_state = EXT2_VALID_FS; 1376 } else 1377 sb->s_state &= ~EXT2_VALID_FS; 1378 sb->s_mnt_count = 0; 1379 sb->s_lastcheck = ctx->now; 1380 ext2fs_mark_super_dirty(fs); 1381 } 1382 } 1383 1384 e2fsck_write_bitmaps(ctx); 1385 1386 ext2fs_close(fs); 1387 ctx->fs = NULL; 1388 free(ctx->filesystem_name); 1389 free(ctx->journal_name); 1390 1391 #ifdef RESOURCE_TRACK 1392 if (ctx->options & E2F_OPT_TIME) 1393 print_resource_track(NULL, &ctx->global_rtrack); 1394 #endif 1395 e2fsck_free_context(ctx); 1396 remove_error_table(&et_ext2_error_table); 1397 remove_error_table(&et_prof_error_table); 1398 return exit_value; 1399 } 1400
