unix.c revision ebabf2ad6d19af5c674b624bafe619dedbc94403
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 <stdio.h> 15#ifdef HAVE_STDLIB_H 16#include <stdlib.h> 17#endif 18#include <string.h> 19#include <fcntl.h> 20#include <ctype.h> 21#include <time.h> 22#ifdef HAVE_SIGNAL_H 23#include <signal.h> 24#endif 25#ifdef HAVE_GETOPT_H 26#include <getopt.h> 27#else 28extern char *optarg; 29extern int optind; 30#endif 31#include <unistd.h> 32#ifdef HAVE_ERRNO_H 33#include <errno.h> 34#endif 35#ifdef HAVE_MNTENT_H 36#include <mntent.h> 37#endif 38#ifdef HAVE_SYS_IOCTL_H 39#include <sys/ioctl.h> 40#endif 41#ifdef HAVE_MALLOC_H 42#include <malloc.h> 43#endif 44#ifdef HAVE_SYS_TYPES_H 45#include <sys/types.h> 46#endif 47#ifdef HAVE_DIRENT_H 48#include <dirent.h> 49#endif 50 51#include "et/com_err.h" 52#include "e2p/e2p.h" 53#include "e2fsck.h" 54#include "problem.h" 55#include "../version.h" 56 57/* Command line options */ 58static int cflag; /* check disk */ 59static int show_version_only; 60static int verbose; 61 62static int replace_bad_blocks; 63static int keep_bad_blocks; 64static char *bad_blocks_file; 65 66e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ 67 68#ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jfs-debug */ 69int journal_enable_debug = -1; 70#endif 71 72static void usage(e2fsck_t ctx) 73{ 74 fprintf(stderr, 75 _("Usage: %s [-panyrcdfvtDFV] [-b superblock] [-B blocksize]\n" 76 "\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n" 77 "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n" 78 "\t\t[-E extended-options] device\n"), 79 ctx->program_name); 80 81 fprintf(stderr, _("\nEmergency help:\n" 82 " -p Automatic repair (no questions)\n" 83 " -n Make no changes to the filesystem\n" 84 " -y Assume \"yes\" to all questions\n" 85 " -c Check for bad blocks and add them to the badblock list\n" 86 " -f Force checking even if filesystem is marked clean\n")); 87 fprintf(stderr, _("" 88 " -v Be verbose\n" 89 " -b superblock Use alternative superblock\n" 90 " -B blocksize Force blocksize when looking for superblock\n" 91 " -j external_journal Set location of the external journal\n" 92 " -l bad_blocks_file Add to badblocks list\n" 93 " -L bad_blocks_file Set badblocks list\n" 94 )); 95 96 exit(FSCK_USAGE); 97} 98 99static void show_stats(e2fsck_t ctx) 100{ 101 ext2_filsys fs = ctx->fs; 102 ext2_ino_t inodes, inodes_used; 103 blk_t blocks, blocks_used; 104 int dir_links; 105 int num_files, num_links; 106 int frag_percent; 107 108 dir_links = 2 * ctx->fs_directory_count - 1; 109 num_files = ctx->fs_total_count - dir_links; 110 num_links = ctx->fs_links_count - dir_links; 111 inodes = fs->super->s_inodes_count; 112 inodes_used = (fs->super->s_inodes_count - 113 fs->super->s_free_inodes_count); 114 blocks = fs->super->s_blocks_count; 115 blocks_used = (fs->super->s_blocks_count - 116 fs->super->s_free_blocks_count); 117 118 frag_percent = (10000 * ctx->fs_fragmented) / inodes_used; 119 frag_percent = (frag_percent + 5) / 10; 120 121 if (!verbose) { 122 printf(_("%s: %u/%u files (%0d.%d%% non-contiguous), %u/%u blocks\n"), 123 ctx->device_name, inodes_used, inodes, 124 frag_percent / 10, frag_percent % 10, 125 blocks_used, blocks); 126 return; 127 } 128 printf (P_("\n%8u inode used (%2.2f%%)\n", "\n%8u inodes used (%2.2f%%)\n", 129 inodes_used), inodes_used, 100.0 * inodes_used / inodes); 130 printf (P_("%8u non-contiguous inode (%0d.%d%%)\n", 131 "%8u non-contiguous inodes (%0d.%d%%)\n", 132 ctx->fs_fragmented), 133 ctx->fs_fragmented, frag_percent / 10, frag_percent % 10); 134 printf (_(" # of inodes with ind/dind/tind blocks: %u/%u/%u\n"), 135 ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count); 136 printf (P_("%8u block used (%2.2f%%)\n", "%8u blocks used (%2.2f%%)\n", 137 blocks_used), blocks_used, 100.0 * blocks_used / blocks); 138 printf (P_("%8u bad block\n", "%8u bad blocks\n", 139 ctx->fs_badblocks_count), ctx->fs_badblocks_count); 140 printf (P_("%8u large file\n", "%8u large files\n", 141 ctx->large_files), ctx->large_files); 142 printf (P_("\n%8u regular file\n", "\n%8u regular files\n", 143 ctx->fs_regular_count), ctx->fs_regular_count); 144 printf (P_("%8u directory\n", "%8u directories\n", 145 ctx->fs_directory_count), ctx->fs_directory_count); 146 printf (P_("%8u character device file\n", 147 "%8u character device files\n", ctx->fs_chardev_count), 148 ctx->fs_chardev_count); 149 printf (P_("%8u block device file\n", "%8u block device files\n", 150 ctx->fs_blockdev_count), ctx->fs_blockdev_count); 151 printf (P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_count), 152 ctx->fs_fifo_count); 153 printf (P_("%8u link\n", "%8u links\n", 154 ctx->fs_links_count - dir_links), 155 ctx->fs_links_count - dir_links); 156 printf (P_("%8u symbolic link", "%8u symbolic links", 157 ctx->fs_symlinks_count), ctx->fs_symlinks_count); 158 printf (P_(" (%u fast symbolic link)\n", " (%u fast symbolic links)\n", 159 ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count); 160 printf (P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count), 161 ctx->fs_sockets_count); 162 printf ("--------\n"); 163 printf (P_("%8u file\n", "%8u files\n", 164 ctx->fs_total_count - dir_links), 165 ctx->fs_total_count - dir_links); 166} 167 168static void check_mount(e2fsck_t ctx) 169{ 170 errcode_t retval; 171 int cont; 172 173 retval = ext2fs_check_if_mounted(ctx->filesystem_name, 174 &ctx->mount_flags); 175 if (retval) { 176 com_err("ext2fs_check_if_mount", retval, 177 _("while determining whether %s is mounted."), 178 ctx->filesystem_name); 179 return; 180 } 181 182 /* 183 * If the filesystem isn't mounted, or it's the root 184 * filesystem and it's mounted read-only, and we're not doing 185 * a read/write check, then everything's fine. 186 */ 187 if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) || 188 ((ctx->mount_flags & EXT2_MF_ISROOT) && 189 (ctx->mount_flags & EXT2_MF_READONLY) && 190 !(ctx->options & E2F_OPT_WRITECHECK))) 191 return; 192 193 if ((ctx->options & E2F_OPT_READONLY) && 194 !(ctx->options & E2F_OPT_WRITECHECK)) { 195 printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name); 196 return; 197 } 198 199 printf(_("%s is mounted. "), ctx->filesystem_name); 200 if (!ctx->interactive) 201 fatal_error(ctx, _("Cannot continue, aborting.\n\n")); 202 printf(_("\n\n\007\007\007\007WARNING!!! " 203 "Running e2fsck on a mounted filesystem may cause\n" 204 "SEVERE filesystem damage.\007\007\007\n\n")); 205 cont = ask_yn(_("Do you really want to continue"), -1); 206 if (!cont) { 207 printf (_("check aborted.\n")); 208 exit (0); 209 } 210 return; 211} 212 213static int is_on_batt(void) 214{ 215 FILE *f; 216 DIR *d; 217 char tmp[80], tmp2[80], fname[80]; 218 unsigned int acflag; 219 struct dirent* de; 220 221 f = fopen("/proc/apm", "r"); 222 if (f) { 223 if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) 224 acflag = 1; 225 fclose(f); 226 return (acflag != 1); 227 } 228 d = opendir("/proc/acpi/ac_adapter"); 229 if (d) { 230 while ((de=readdir(d)) != NULL) { 231 if (!strncmp(".", de->d_name, 1)) 232 continue; 233 snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state", 234 de->d_name); 235 f = fopen(fname, "r"); 236 if (!f) 237 continue; 238 if (fscanf(f, "%s %s", tmp2, tmp) != 2) 239 tmp[0] = 0; 240 fclose(f); 241 if (strncmp(tmp, "off-line", 8) == 0) { 242 closedir(d); 243 return 1; 244 } 245 } 246 closedir(d); 247 } 248 return 0; 249} 250 251/* 252 * This routine checks to see if a filesystem can be skipped; if so, 253 * it will exit with E2FSCK_OK. Under some conditions it will print a 254 * message explaining why a check is being forced. 255 */ 256static void check_if_skip(e2fsck_t ctx) 257{ 258 ext2_filsys fs = ctx->fs; 259 const char *reason = NULL; 260 unsigned int reason_arg = 0; 261 long next_check; 262 int batt = is_on_batt(); 263 int defer_check_on_battery; 264 time_t lastcheck; 265 266 profile_get_boolean(ctx->profile, "options", 267 "defer_check_on_battery", 0, 1, 268 &defer_check_on_battery); 269 if (!defer_check_on_battery) 270 batt = 0; 271 272 if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag) 273 return; 274 275 lastcheck = fs->super->s_lastcheck; 276 if (lastcheck > ctx->now) 277 lastcheck -= ctx->time_fudge; 278 if ((fs->super->s_state & EXT2_ERROR_FS) || 279 !ext2fs_test_valid(fs)) 280 reason = _(" contains a file system with errors"); 281 else if ((fs->super->s_state & EXT2_VALID_FS) == 0) 282 reason = _(" was not cleanly unmounted"); 283 else if (check_backup_super_block(ctx)) 284 reason = _(" primary superblock features different from backup"); 285 else if ((fs->super->s_max_mnt_count > 0) && 286 (fs->super->s_mnt_count >= 287 (unsigned) fs->super->s_max_mnt_count)) { 288 reason = _(" has been mounted %u times without being checked"); 289 reason_arg = fs->super->s_mnt_count; 290 if (batt && (fs->super->s_mnt_count < 291 (unsigned) fs->super->s_max_mnt_count*2)) 292 reason = 0; 293 } else if (fs->super->s_checkinterval && (ctx->now < lastcheck)) { 294 reason = _(" has filesystem last checked time in the future"); 295 if (batt) 296 reason = 0; 297 } else if (fs->super->s_checkinterval && 298 ((ctx->now - lastcheck) >= 299 ((time_t) fs->super->s_checkinterval))) { 300 reason = _(" has gone %u days without being checked"); 301 reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24); 302 if (batt && ((ctx->now - fs->super->s_lastcheck) < 303 fs->super->s_checkinterval*2)) 304 reason = 0; 305 } 306 if (reason) { 307 fputs(ctx->device_name, stdout); 308 printf(reason, reason_arg); 309 fputs(_(", check forced.\n"), stdout); 310 return; 311 } 312 printf(_("%s: clean, %u/%u files, %u/%u blocks"), ctx->device_name, 313 fs->super->s_inodes_count - fs->super->s_free_inodes_count, 314 fs->super->s_inodes_count, 315 fs->super->s_blocks_count - fs->super->s_free_blocks_count, 316 fs->super->s_blocks_count); 317 next_check = 100000; 318 if (fs->super->s_max_mnt_count > 0) { 319 next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count; 320 if (next_check <= 0) 321 next_check = 1; 322 } 323 if (fs->super->s_checkinterval && 324 ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval)) 325 next_check = 1; 326 if (next_check <= 5) { 327 if (next_check == 1) { 328 if (batt) 329 fputs(_(" (check deferred; on battery)"), 330 stdout); 331 else 332 fputs(_(" (check after next mount)"), stdout); 333 } else 334 printf(_(" (check in %ld mounts)"), next_check); 335 } 336 fputc('\n', stdout); 337 ext2fs_close(fs); 338 ctx->fs = NULL; 339 e2fsck_free_context(ctx); 340 exit(FSCK_OK); 341} 342 343/* 344 * For completion notice 345 */ 346struct percent_tbl { 347 int max_pass; 348 int table[32]; 349}; 350struct percent_tbl e2fsck_tbl = { 351 5, { 0, 70, 90, 92, 95, 100 } 352}; 353static char bar[128], spaces[128]; 354 355static float calc_percent(struct percent_tbl *tbl, int pass, int curr, 356 int max) 357{ 358 float percent; 359 360 if (pass <= 0) 361 return 0.0; 362 if (pass > tbl->max_pass || max == 0) 363 return 100.0; 364 percent = ((float) curr) / ((float) max); 365 return ((percent * (tbl->table[pass] - tbl->table[pass-1])) 366 + tbl->table[pass-1]); 367} 368 369extern void e2fsck_clear_progbar(e2fsck_t ctx) 370{ 371 if (!(ctx->flags & E2F_FLAG_PROG_BAR)) 372 return; 373 374 printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80), 375 ctx->stop_meta); 376 fflush(stdout); 377 ctx->flags &= ~E2F_FLAG_PROG_BAR; 378} 379 380int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, 381 unsigned int dpynum) 382{ 383 static const char spinner[] = "\\|/-"; 384 int i; 385 unsigned int tick; 386 struct timeval tv; 387 int dpywidth; 388 int fixed_percent; 389 390 if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) 391 return 0; 392 393 /* 394 * Calculate the new progress position. If the 395 * percentage hasn't changed, then we skip out right 396 * away. 397 */ 398 fixed_percent = (int) ((10 * percent) + 0.5); 399 if (ctx->progress_last_percent == fixed_percent) 400 return 0; 401 ctx->progress_last_percent = fixed_percent; 402 403 /* 404 * If we've already updated the spinner once within 405 * the last 1/8th of a second, no point doing it 406 * again. 407 */ 408 gettimeofday(&tv, NULL); 409 tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); 410 if ((tick == ctx->progress_last_time) && 411 (fixed_percent != 0) && (fixed_percent != 1000)) 412 return 0; 413 ctx->progress_last_time = tick; 414 415 /* 416 * Advance the spinner, and note that the progress bar 417 * will be on the screen 418 */ 419 ctx->progress_pos = (ctx->progress_pos+1) & 3; 420 ctx->flags |= E2F_FLAG_PROG_BAR; 421 422 dpywidth = 66 - strlen(label); 423 dpywidth = 8 * (dpywidth / 8); 424 if (dpynum) 425 dpywidth -= 8; 426 427 i = ((percent * dpywidth) + 50) / 100; 428 printf("%s%s: |%s%s", ctx->start_meta, label, 429 bar + (sizeof(bar) - (i+1)), 430 spaces + (sizeof(spaces) - (dpywidth - i + 1))); 431 if (fixed_percent == 1000) 432 fputc('|', stdout); 433 else 434 fputc(spinner[ctx->progress_pos & 3], stdout); 435 printf(" %4.1f%% ", percent); 436 if (dpynum) 437 printf("%u\r", dpynum); 438 else 439 fputs(" \r", stdout); 440 fputs(ctx->stop_meta, stdout); 441 442 if (fixed_percent == 1000) 443 e2fsck_clear_progbar(ctx); 444 fflush(stdout); 445 446 return 0; 447} 448 449static int e2fsck_update_progress(e2fsck_t ctx, int pass, 450 unsigned long cur, unsigned long max) 451{ 452 char buf[1024]; 453 float percent; 454 455 if (pass == 0) 456 return 0; 457 458 if (ctx->progress_fd) { 459 snprintf(buf, sizeof(buf), "%d %lu %lu %s\n", 460 pass, cur, max, ctx->device_name); 461 write(ctx->progress_fd, buf, strlen(buf)); 462 } else { 463 percent = calc_percent(&e2fsck_tbl, pass, cur, max); 464 e2fsck_simple_progress(ctx, ctx->device_name, 465 percent, 0); 466 } 467 return 0; 468} 469 470#define PATH_SET "PATH=/sbin" 471 472static void reserve_stdio_fds(void) 473{ 474 int fd; 475 476 while (1) { 477 fd = open("/dev/null", O_RDWR); 478 if (fd > 2) 479 break; 480 if (fd < 0) { 481 fprintf(stderr, _("ERROR: Couldn't open " 482 "/dev/null (%s)\n"), 483 strerror(errno)); 484 break; 485 } 486 } 487 close(fd); 488} 489 490#ifdef HAVE_SIGNAL_H 491static void signal_progress_on(int sig EXT2FS_ATTR((unused))) 492{ 493 e2fsck_t ctx = e2fsck_global_ctx; 494 495 if (!ctx) 496 return; 497 498 ctx->progress = e2fsck_update_progress; 499} 500 501static void signal_progress_off(int sig EXT2FS_ATTR((unused))) 502{ 503 e2fsck_t ctx = e2fsck_global_ctx; 504 505 if (!ctx) 506 return; 507 508 e2fsck_clear_progbar(ctx); 509 ctx->progress = 0; 510} 511 512static void signal_cancel(int sig EXT2FS_ATTR((unused))) 513{ 514 e2fsck_t ctx = e2fsck_global_ctx; 515 516 if (!ctx) 517 exit(FSCK_CANCELED); 518 519 ctx->flags |= E2F_FLAG_CANCEL; 520} 521#endif 522 523static void parse_extended_opts(e2fsck_t ctx, const char *opts) 524{ 525 char *buf, *token, *next, *p, *arg; 526 int ea_ver; 527 int extended_usage = 0; 528 529 buf = string_copy(ctx, opts, 0); 530 for (token = buf; token && *token; token = next) { 531 p = strchr(token, ','); 532 next = 0; 533 if (p) { 534 *p = 0; 535 next = p+1; 536 } 537 arg = strchr(token, '='); 538 if (arg) { 539 *arg = 0; 540 arg++; 541 } 542 if (strcmp(token, "ea_ver") == 0) { 543 if (!arg) { 544 extended_usage++; 545 continue; 546 } 547 ea_ver = strtoul(arg, &p, 0); 548 if (*p || 549 ((ea_ver != 1) && (ea_ver != 2))) { 550 fprintf(stderr, 551 _("Invalid EA version.\n")); 552 extended_usage++; 553 continue; 554 } 555 ctx->ext_attr_ver = ea_ver; 556 } else { 557 fprintf(stderr, _("Unknown extended option: %s\n"), 558 token); 559 extended_usage++; 560 } 561 } 562 free(buf); 563 564 if (extended_usage) { 565 fputs(("\nExtended options are separated by commas, " 566 "and may take an argument which\n" 567 "is set off by an equals ('=') sign. " 568 "Valid extended options are:\n" 569 "\tea_ver=<ea_version (1 or 2)>\n\n"), stderr); 570 exit(1); 571 } 572} 573 574static void syntax_err_report(const char *filename, long err, int line_num) 575{ 576 fprintf(stderr, 577 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"), 578 filename, line_num, error_message(err)); 579 exit(FSCK_ERROR); 580} 581 582static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 }; 583 584static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx) 585{ 586 int flush = 0; 587 int c, fd; 588#ifdef MTRACE 589 extern void *mallwatch; 590#endif 591 e2fsck_t ctx; 592 errcode_t retval; 593#ifdef HAVE_SIGNAL_H 594 struct sigaction sa; 595#endif 596 char *extended_opts = 0; 597 char *cp; 598 int res; /* result of sscanf */ 599#ifdef CONFIG_JBD_DEBUG 600 char *jbd_debug; 601#endif 602 603 retval = e2fsck_allocate_context(&ctx); 604 if (retval) 605 return retval; 606 607 *ret_ctx = ctx; 608 609 setvbuf(stdout, NULL, _IONBF, BUFSIZ); 610 setvbuf(stderr, NULL, _IONBF, BUFSIZ); 611 if (isatty(0) && isatty(1)) { 612 ctx->interactive = 1; 613 } else { 614 ctx->start_meta[0] = '\001'; 615 ctx->stop_meta[0] = '\002'; 616 } 617 memset(bar, '=', sizeof(bar)-1); 618 memset(spaces, ' ', sizeof(spaces)-1); 619 add_error_table(&et_ext2_error_table); 620 add_error_table(&et_prof_error_table); 621 blkid_get_cache(&ctx->blkid, NULL); 622 623 if (argc && *argv) 624 ctx->program_name = *argv; 625 else 626 ctx->program_name = "e2fsck"; 627 while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF) 628 switch (c) { 629 case 'C': 630 ctx->progress = e2fsck_update_progress; 631 res = sscanf(optarg, "%d", &ctx->progress_fd); 632 if (res != 1) 633 goto sscanf_err; 634 635 if (ctx->progress_fd < 0) { 636 ctx->progress = 0; 637 ctx->progress_fd = ctx->progress_fd * -1; 638 } 639 if (!ctx->progress_fd) 640 break; 641 /* Validate the file descriptor to avoid disasters */ 642 fd = dup(ctx->progress_fd); 643 if (fd < 0) { 644 fprintf(stderr, 645 _("Error validating file descriptor %d: %s\n"), 646 ctx->progress_fd, 647 error_message(errno)); 648 fatal_error(ctx, 649 _("Invalid completion information file descriptor")); 650 } else 651 close(fd); 652 break; 653 case 'D': 654 ctx->options |= E2F_OPT_COMPRESS_DIRS; 655 break; 656 case 'E': 657 extended_opts = optarg; 658 break; 659 case 'p': 660 case 'a': 661 if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) { 662 conflict_opt: 663 fatal_error(ctx, 664 _("Only one of the options -p/-a, -n or -y may be specified.")); 665 } 666 ctx->options |= E2F_OPT_PREEN; 667 break; 668 case 'n': 669 if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN)) 670 goto conflict_opt; 671 ctx->options |= E2F_OPT_NO; 672 break; 673 case 'y': 674 if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO)) 675 goto conflict_opt; 676 ctx->options |= E2F_OPT_YES; 677 break; 678 case 't': 679#ifdef RESOURCE_TRACK 680 if (ctx->options & E2F_OPT_TIME) 681 ctx->options |= E2F_OPT_TIME2; 682 else 683 ctx->options |= E2F_OPT_TIME; 684#else 685 fprintf(stderr, _("The -t option is not " 686 "supported on this version of e2fsck.\n")); 687#endif 688 break; 689 case 'c': 690 if (cflag++) 691 ctx->options |= E2F_OPT_WRITECHECK; 692 ctx->options |= E2F_OPT_CHECKBLOCKS; 693 break; 694 case 'r': 695 /* What we do by default, anyway! */ 696 break; 697 case 'b': 698 res = sscanf(optarg, "%u", &ctx->use_superblock); 699 if (res != 1) 700 goto sscanf_err; 701 ctx->flags |= E2F_FLAG_SB_SPECIFIED; 702 break; 703 case 'B': 704 ctx->blocksize = atoi(optarg); 705 break; 706 case 'I': 707 res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks); 708 if (res != 1) 709 goto sscanf_err; 710 break; 711 case 'j': 712 ctx->journal_name = string_copy(ctx, optarg, 0); 713 break; 714 case 'P': 715 res = sscanf(optarg, "%d", &ctx->process_inode_size); 716 if (res != 1) 717 goto sscanf_err; 718 break; 719 case 'L': 720 replace_bad_blocks++; 721 case 'l': 722 bad_blocks_file = string_copy(ctx, optarg, 0); 723 break; 724 case 'd': 725 ctx->options |= E2F_OPT_DEBUG; 726 break; 727 case 'f': 728 ctx->options |= E2F_OPT_FORCE; 729 break; 730 case 'F': 731 flush = 1; 732 break; 733 case 'v': 734 verbose = 1; 735 break; 736 case 'V': 737 show_version_only = 1; 738 break; 739#ifdef MTRACE 740 case 'M': 741 mallwatch = (void *) strtol(optarg, NULL, 0); 742 break; 743#endif 744 case 'N': 745 ctx->device_name = string_copy(ctx, optarg, 0); 746 break; 747 case 'k': 748 keep_bad_blocks++; 749 break; 750 default: 751 usage(ctx); 752 } 753 if (show_version_only) 754 return 0; 755 if (optind != argc - 1) 756 usage(ctx); 757 if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file && 758 !cflag && !(ctx->options & E2F_OPT_COMPRESS_DIRS)) 759 ctx->options |= E2F_OPT_READONLY; 760 761 ctx->io_options = strchr(argv[optind], '?'); 762 if (ctx->io_options) 763 *ctx->io_options++ = 0; 764 ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0); 765 if (!ctx->filesystem_name) { 766 com_err(ctx->program_name, 0, _("Unable to resolve '%s'"), 767 argv[optind]); 768 fatal_error(ctx, 0); 769 } 770 ctx->filesystem_name = string_copy(ctx, ctx->filesystem_name, 0); 771 if (extended_opts) 772 parse_extended_opts(ctx, extended_opts); 773 774 if ((cp = getenv("E2FSCK_CONFIG")) != NULL) 775 config_fn[0] = cp; 776 profile_set_syntax_err_cb(syntax_err_report); 777 profile_init(config_fn, &ctx->profile); 778 779 if (flush) { 780 fd = open(ctx->filesystem_name, O_RDONLY, 0); 781 if (fd < 0) { 782 com_err("open", errno, 783 _("while opening %s for flushing"), 784 ctx->filesystem_name); 785 fatal_error(ctx, 0); 786 } 787 if ((retval = ext2fs_sync_device(fd, 1))) { 788 com_err("ext2fs_sync_device", retval, 789 _("while trying to flush %s"), 790 ctx->filesystem_name); 791 fatal_error(ctx, 0); 792 } 793 close(fd); 794 } 795 if (cflag && bad_blocks_file) { 796 fprintf(stderr, _("The -c and the -l/-L options may " 797 "not be both used at the same time.\n")); 798 exit(FSCK_USAGE); 799 } 800#ifdef HAVE_SIGNAL_H 801 /* 802 * Set up signal action 803 */ 804 memset(&sa, 0, sizeof(struct sigaction)); 805 sa.sa_handler = signal_cancel; 806 sigaction(SIGINT, &sa, 0); 807 sigaction(SIGTERM, &sa, 0); 808#ifdef SA_RESTART 809 sa.sa_flags = SA_RESTART; 810#endif 811 e2fsck_global_ctx = ctx; 812 sa.sa_handler = signal_progress_on; 813 sigaction(SIGUSR1, &sa, 0); 814 sa.sa_handler = signal_progress_off; 815 sigaction(SIGUSR2, &sa, 0); 816#endif 817 818 /* Update our PATH to include /sbin if we need to run badblocks */ 819 if (cflag) { 820 char *oldpath = getenv("PATH"); 821 char *newpath; 822 int len = sizeof(PATH_SET) + 1; 823 824 if (oldpath) 825 len += strlen(oldpath); 826 827 newpath = malloc(len); 828 if (!newpath) 829 fatal_error(ctx, "Couldn't malloc() newpath"); 830 strcpy(newpath, PATH_SET); 831 832 if (oldpath) { 833 strcat(newpath, ":"); 834 strcat(newpath, oldpath); 835 } 836 putenv(newpath); 837 } 838#ifdef CONFIG_JBD_DEBUG 839 jbd_debug = getenv("E2FSCK_JBD_DEBUG"); 840 if (jbd_debug) { 841 res = sscanf(jbd_debug, "%d", &journal_enable_debug); 842 if (res != 1) { 843 fprintf(stderr, 844 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"), 845 jbd_debug); 846 exit (1); 847 } 848 } 849#endif 850 return 0; 851 852sscanf_err: 853 fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"), 854 c, optarg); 855 exit (1); 856} 857 858static const char *my_ver_string = E2FSPROGS_VERSION; 859static const char *my_ver_date = E2FSPROGS_DATE; 860 861int main (int argc, char *argv[]) 862{ 863 errcode_t retval = 0, orig_retval = 0; 864 int exit_value = FSCK_OK; 865 ext2_filsys fs = 0; 866 io_manager io_ptr; 867 struct ext2_super_block *sb; 868 const char *lib_ver_date; 869 int my_ver, lib_ver; 870 e2fsck_t ctx; 871 struct problem_context pctx; 872 int flags, run_result; 873 int journal_size; 874 int sysval, sys_page_size = 4096; 875 __u32 features[3]; 876 char *cp; 877 878 clear_problem_context(&pctx); 879#ifdef MTRACE 880 mtrace(); 881#endif 882#ifdef MCHECK 883 mcheck(0); 884#endif 885#ifdef ENABLE_NLS 886 setlocale(LC_MESSAGES, ""); 887 setlocale(LC_CTYPE, ""); 888 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 889 textdomain(NLS_CAT_NAME); 890#endif 891 my_ver = ext2fs_parse_version_string(my_ver_string); 892 lib_ver = ext2fs_get_library_version(0, &lib_ver_date); 893 if (my_ver > lib_ver) { 894 fprintf( stderr, _("Error: ext2fs library version " 895 "out of date!\n")); 896 show_version_only++; 897 } 898 899 retval = PRS(argc, argv, &ctx); 900 if (retval) { 901 com_err("e2fsck", retval, 902 _("while trying to initialize program")); 903 exit(FSCK_ERROR); 904 } 905 reserve_stdio_fds(); 906 907#ifdef RESOURCE_TRACK 908 init_resource_track(&ctx->global_rtrack, NULL); 909#endif 910 911 if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) 912 fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string, 913 my_ver_date); 914 915 if (show_version_only) { 916 fprintf(stderr, _("\tUsing %s, %s\n"), 917 error_message(EXT2_ET_BASE), lib_ver_date); 918 exit(FSCK_OK); 919 } 920 921 check_mount(ctx); 922 923 if (!(ctx->options & E2F_OPT_PREEN) && 924 !(ctx->options & E2F_OPT_NO) && 925 !(ctx->options & E2F_OPT_YES)) { 926 if (!ctx->interactive) 927 fatal_error(ctx, 928 _("need terminal for interactive repairs")); 929 } 930 ctx->superblock = ctx->use_superblock; 931restart: 932#ifdef CONFIG_TESTIO_DEBUG 933 io_ptr = test_io_manager; 934 test_io_backing_manager = unix_io_manager; 935#else 936 io_ptr = unix_io_manager; 937#endif 938 flags = EXT2_FLAG_NOFREE_ON_ERROR; 939 if ((ctx->options & E2F_OPT_READONLY) == 0) 940 flags |= EXT2_FLAG_RW; 941 if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0) 942 flags |= EXT2_FLAG_EXCLUSIVE; 943 944 if (ctx->superblock && ctx->blocksize) { 945 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 946 flags, ctx->superblock, ctx->blocksize, 947 io_ptr, &fs); 948 } else if (ctx->superblock) { 949 int blocksize; 950 for (blocksize = EXT2_MIN_BLOCK_SIZE; 951 blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { 952 retval = ext2fs_open2(ctx->filesystem_name, 953 ctx->io_options, flags, 954 ctx->superblock, blocksize, 955 io_ptr, &fs); 956 if (!retval) 957 break; 958 } 959 } else 960 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 961 flags, 0, 0, io_ptr, &fs); 962 if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && 963 !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && 964 ((retval == EXT2_ET_BAD_MAGIC) || 965 (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || 966 ((retval == 0) && ext2fs_check_desc(fs)))) { 967 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) { 968 ext2fs_free(fs); 969 fs = NULL; 970 } 971 if (!fs || (fs->group_desc_count > 1)) { 972 printf(_("%s: %s trying backup blocks...\n"), 973 ctx->program_name, 974 retval ? _("Superblock invalid,") : 975 _("Group descriptors look bad...")); 976 get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); 977 if (fs) 978 ext2fs_close(fs); 979 orig_retval = retval; 980 goto restart; 981 } 982 } 983 if (((retval == EXT2_ET_UNSUPP_FEATURE) || 984 (retval == EXT2_ET_RO_UNSUPP_FEATURE)) && 985 fs && fs->super) { 986 sb = fs->super; 987 features[0] = (sb->s_feature_compat & 988 ~EXT2_LIB_FEATURE_COMPAT_SUPP); 989 features[1] = (sb->s_feature_incompat & 990 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP); 991 features[2] = (sb->s_feature_ro_compat & 992 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 993 if (features[0] || features[1] || features[2]) 994 goto print_unsupp_features; 995 } 996 if (retval) { 997 if (orig_retval) 998 retval = orig_retval; 999 com_err(ctx->program_name, retval, _("while trying to open %s"), 1000 ctx->filesystem_name); 1001 if (retval == EXT2_ET_REV_TOO_HIGH) { 1002 printf(_("The filesystem revision is apparently " 1003 "too high for this version of e2fsck.\n" 1004 "(Or the filesystem superblock " 1005 "is corrupt)\n\n")); 1006 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1007 } else if (retval == EXT2_ET_SHORT_READ) 1008 printf(_("Could this be a zero-length partition?\n")); 1009 else if ((retval == EPERM) || (retval == EACCES)) 1010 printf(_("You must have %s access to the " 1011 "filesystem or be root\n"), 1012 (ctx->options & E2F_OPT_READONLY) ? 1013 "r/o" : "r/w"); 1014 else if (retval == ENXIO) 1015 printf(_("Possibly non-existent or swap device?\n")); 1016 else if (retval == EBUSY) 1017 printf(_("Filesystem mounted or opened exclusively " 1018 "by another program?\n")); 1019#ifdef EROFS 1020 else if (retval == EROFS) 1021 printf(_("Disk write-protected; use the -n option " 1022 "to do a read-only\n" 1023 "check of the device.\n")); 1024#endif 1025 else 1026 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1027 fatal_error(ctx, 0); 1028 } 1029 /* 1030 * We only update the master superblock because (a) paranoia; 1031 * we don't want to corrupt the backup superblocks, and (b) we 1032 * don't need to update the mount count and last checked 1033 * fields in the backup superblock (the kernel doesn't update 1034 * the backup superblocks anyway). With newer versions of the 1035 * library this flag is set by ext2fs_open2(), but we set this 1036 * here just to be sure. (No, we don't support e2fsck running 1037 * with some other libext2fs than the one that it was shipped 1038 * with, but just in case....) 1039 */ 1040 fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; 1041 1042 if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) { 1043 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super); 1044 int need_restart = 0; 1045 1046 pctx.errcode = ext2fs_get_device_size(ctx->filesystem_name, 1047 blocksize, 1048 &ctx->num_blocks); 1049 /* 1050 * The floppy driver refuses to allow anyone else to 1051 * open the device if has been opened with O_EXCL; 1052 * this is unlike other block device drivers in Linux. 1053 * To handle this, we close the filesystem and then 1054 * reopen the filesystem after we get the device size. 1055 */ 1056 if (pctx.errcode == EBUSY) { 1057 ext2fs_close(fs); 1058 need_restart++; 1059 pctx.errcode = 1060 ext2fs_get_device_size(ctx->filesystem_name, 1061 blocksize, 1062 &ctx->num_blocks); 1063 } 1064 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED) 1065 ctx->num_blocks = 0; 1066 else if (pctx.errcode) { 1067 fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); 1068 ctx->flags |= E2F_FLAG_ABORT; 1069 fatal_error(ctx, 0); 1070 } 1071 ctx->flags |= E2F_FLAG_GOT_DEVSIZE; 1072 if (need_restart) 1073 goto restart; 1074 } 1075 1076 ctx->fs = fs; 1077 fs->priv_data = ctx; 1078 fs->now = ctx->now; 1079 sb = fs->super; 1080 if (sb->s_rev_level > E2FSCK_CURRENT_REV) { 1081 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH, 1082 _("while trying to open %s"), 1083 ctx->filesystem_name); 1084 get_newer: 1085 fatal_error(ctx, _("Get a newer version of e2fsck!")); 1086 } 1087 1088 /* 1089 * Set the device name, which is used whenever we print error 1090 * or informational messages to the user. 1091 */ 1092 if (ctx->device_name == 0 && 1093 (sb->s_volume_name[0] != 0)) { 1094 ctx->device_name = string_copy(ctx, sb->s_volume_name, 1095 sizeof(sb->s_volume_name)); 1096 } 1097 if (ctx->device_name == 0) 1098 ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0); 1099 for (cp = ctx->device_name; *cp; cp++) 1100 if (isspace(*cp) || *cp == ':') 1101 *cp = '_'; 1102 1103 /* 1104 * Make sure the ext3 superblock fields are consistent. 1105 */ 1106 retval = e2fsck_check_ext3_journal(ctx); 1107 if (retval) { 1108 com_err(ctx->program_name, retval, 1109 _("while checking ext3 journal for %s"), 1110 ctx->device_name); 1111 fatal_error(ctx, 0); 1112 } 1113 1114 /* 1115 * Check to see if we need to do ext3-style recovery. If so, 1116 * do it, and then restart the fsck. 1117 */ 1118 if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) { 1119 if (ctx->options & E2F_OPT_READONLY) { 1120 printf(_("Warning: skipping journal recovery " 1121 "because doing a read-only filesystem " 1122 "check.\n")); 1123 io_channel_flush(ctx->fs->io); 1124 } else { 1125 if (ctx->flags & E2F_FLAG_RESTARTED) { 1126 /* 1127 * Whoops, we attempted to run the 1128 * journal twice. This should never 1129 * happen, unless the hardware or 1130 * device driver is being bogus. 1131 */ 1132 com_err(ctx->program_name, 0, 1133 _("unable to set superblock flags on %s\n"), ctx->device_name); 1134 fatal_error(ctx, 0); 1135 } 1136 retval = e2fsck_run_ext3_journal(ctx); 1137 if (retval) { 1138 com_err(ctx->program_name, retval, 1139 _("while recovering ext3 journal of %s"), 1140 ctx->device_name); 1141 fatal_error(ctx, 0); 1142 } 1143 ext2fs_close(ctx->fs); 1144 ctx->fs = 0; 1145 ctx->flags |= E2F_FLAG_RESTARTED; 1146 goto restart; 1147 } 1148 } 1149 1150 /* 1151 * Check for compatibility with the feature sets. We need to 1152 * be more stringent than ext2fs_open(). 1153 */ 1154 features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP; 1155 features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP; 1156 features[2] = (sb->s_feature_ro_compat & 1157 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 1158print_unsupp_features: 1159 if (features[0] || features[1] || features[2]) { 1160 int i, j; 1161 __u32 *mask = features, m; 1162 1163 fprintf(stderr, _("%s has unsupported feature(s):"), 1164 ctx->filesystem_name); 1165 1166 for (i=0; i <3; i++,mask++) { 1167 for (j=0,m=1; j < 32; j++, m<<=1) { 1168 if (*mask & m) 1169 fprintf(stderr, " %s", 1170 e2p_feature2string(i, m)); 1171 } 1172 } 1173 putc('\n', stderr); 1174 goto get_newer; 1175 } 1176#ifdef ENABLE_COMPRESSION 1177 if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION) 1178 com_err(ctx->program_name, 0, 1179 _("Warning: compression support is experimental.\n")); 1180#endif 1181#ifndef ENABLE_HTREE 1182 if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) { 1183 com_err(ctx->program_name, 0, 1184 _("E2fsck not compiled with HTREE support,\n\t" 1185 "but filesystem %s has HTREE directories.\n"), 1186 ctx->device_name); 1187 goto get_newer; 1188 } 1189#endif 1190 1191 /* 1192 * If the user specified a specific superblock, presumably the 1193 * master superblock has been trashed. So we mark the 1194 * superblock as dirty, so it can be written out. 1195 */ 1196 if (ctx->superblock && 1197 !(ctx->options & E2F_OPT_READONLY)) 1198 ext2fs_mark_super_dirty(fs); 1199 1200 /* 1201 * Calculate the number of filesystem blocks per pagesize. If 1202 * fs->blocksize > page_size, set the number of blocks per 1203 * pagesize to 1 to avoid division by zero errors. 1204 */ 1205#ifdef _SC_PAGESIZE 1206 sysval = sysconf(_SC_PAGESIZE); 1207 if (sysval > 0) 1208 sys_page_size = sysval; 1209#endif /* _SC_PAGESIZE */ 1210 ctx->blocks_per_page = sys_page_size / fs->blocksize; 1211 if (ctx->blocks_per_page == 0) 1212 ctx->blocks_per_page = 1; 1213 1214 ehandler_init(fs->io); 1215 1216 if (ctx->superblock) 1217 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); 1218 ext2fs_mark_valid(fs); 1219 check_super_block(ctx); 1220 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1221 fatal_error(ctx, 0); 1222 check_if_skip(ctx); 1223 if (bad_blocks_file) 1224 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks); 1225 else if (cflag) 1226 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */ 1227 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1228 fatal_error(ctx, 0); 1229 1230 /* 1231 * Mark the system as valid, 'til proven otherwise 1232 */ 1233 ext2fs_mark_valid(fs); 1234 1235 retval = ext2fs_read_bb_inode(fs, &fs->badblocks); 1236 if (retval) { 1237 com_err(ctx->program_name, retval, 1238 _("while reading bad blocks inode")); 1239 preenhalt(ctx); 1240 printf(_("This doesn't bode well," 1241 " but we'll try to go on...\n")); 1242 } 1243 1244 /* 1245 * Save the journal size in megabytes. 1246 * Try and use the journal size from the backup else let e2fsck 1247 * find the default journal size. 1248 */ 1249 if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) 1250 journal_size = sb->s_jnl_blocks[16] >> 20; 1251 else 1252 journal_size = -1; 1253 1254 run_result = e2fsck_run(ctx); 1255 e2fsck_clear_progbar(ctx); 1256 1257 if (ctx->flags & E2F_FLAG_JOURNAL_INODE) { 1258 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) { 1259 if (journal_size < 1024) 1260 journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count); 1261 if (journal_size < 0) { 1262 fs->super->s_feature_compat &= 1263 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1264 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1265 com_err(ctx->program_name, 0, 1266 _("Couldn't determine journal size")); 1267 goto no_journal; 1268 } 1269 printf(_("Creating journal (%d blocks): "), 1270 journal_size); 1271 fflush(stdout); 1272 retval = ext2fs_add_journal_inode(fs, 1273 journal_size, 0); 1274 if (retval) { 1275 com_err("Error ", retval, 1276 _("\n\twhile trying to create journal")); 1277 goto no_journal; 1278 } 1279 printf(_(" Done.\n")); 1280 printf(_("\n*** journal has been re-created - " 1281 "filesystem is now ext3 again ***\n")); 1282 } 1283 } 1284no_journal: 1285 1286 if (run_result == E2F_FLAG_RESTART) { 1287 printf(_("Restarting e2fsck from the beginning...\n")); 1288 retval = e2fsck_reset_context(ctx); 1289 if (retval) { 1290 com_err(ctx->program_name, retval, 1291 _("while resetting context")); 1292 fatal_error(ctx, 0); 1293 } 1294 ext2fs_close(fs); 1295 goto restart; 1296 } 1297 if (run_result & E2F_FLAG_CANCEL) { 1298 printf(_("%s: e2fsck canceled.\n"), ctx->device_name ? 1299 ctx->device_name : ctx->filesystem_name); 1300 exit_value |= FSCK_CANCELED; 1301 } 1302 if (run_result & E2F_FLAG_ABORT) 1303 fatal_error(ctx, _("aborted")); 1304 if (check_backup_super_block(ctx)) { 1305 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1306 ext2fs_mark_super_dirty(fs); 1307 } 1308 1309#ifdef MTRACE 1310 mtrace_print("Cleanup"); 1311#endif 1312 if (ext2fs_test_changed(fs)) { 1313 exit_value |= FSCK_NONDESTRUCT; 1314 if (!(ctx->options & E2F_OPT_PREEN)) 1315 printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"), 1316 ctx->device_name); 1317 if (ctx->mount_flags & EXT2_MF_ISROOT) { 1318 printf(_("%s: ***** REBOOT LINUX *****\n"), 1319 ctx->device_name); 1320 exit_value |= FSCK_REBOOT; 1321 } 1322 } 1323 if (!ext2fs_test_valid(fs) || 1324 ((exit_value & FSCK_CANCELED) && 1325 (sb->s_state & EXT2_ERROR_FS))) { 1326 printf(_("\n%s: ********** WARNING: Filesystem still has " 1327 "errors **********\n\n"), ctx->device_name); 1328 exit_value |= FSCK_UNCORRECTED; 1329 exit_value &= ~FSCK_NONDESTRUCT; 1330 } 1331 if (exit_value & FSCK_CANCELED) { 1332 int allow_cancellation; 1333 1334 profile_get_boolean(ctx->profile, "options", 1335 "allow_cancellation", 0, 0, 1336 &allow_cancellation); 1337 exit_value &= ~FSCK_NONDESTRUCT; 1338 if (allow_cancellation && ext2fs_test_valid(fs) && 1339 (sb->s_state & EXT2_VALID_FS) && 1340 !(sb->s_state & EXT2_ERROR_FS)) 1341 exit_value = 0; 1342 } else { 1343 show_stats(ctx); 1344 if (!(ctx->options & E2F_OPT_READONLY)) { 1345 if (ext2fs_test_valid(fs)) { 1346 if (!(sb->s_state & EXT2_VALID_FS)) 1347 exit_value |= FSCK_NONDESTRUCT; 1348 sb->s_state = EXT2_VALID_FS; 1349 } else 1350 sb->s_state &= ~EXT2_VALID_FS; 1351 sb->s_mnt_count = 0; 1352 sb->s_lastcheck = ctx->now; 1353 ext2fs_mark_super_dirty(fs); 1354 } 1355 } 1356 1357 if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM && 1358 !(ctx->options & E2F_OPT_READONLY)) { 1359 retval = ext2fs_set_gdt_csum(ctx->fs); 1360 if (retval) { 1361 com_err(ctx->program_name, retval, 1362 _("while setting block group checksum info")); 1363 fatal_error(ctx, 0); 1364 } 1365 } 1366 1367 e2fsck_write_bitmaps(ctx); 1368#ifdef RESOURCE_TRACK 1369 io_channel_flush(ctx->fs->io); 1370 if (ctx->options & E2F_OPT_TIME) 1371 print_resource_track(NULL, &ctx->global_rtrack, ctx->fs->io); 1372#endif 1373 ext2fs_close(fs); 1374 ctx->fs = NULL; 1375 free(ctx->journal_name); 1376 1377 e2fsck_free_context(ctx); 1378 remove_error_table(&et_ext2_error_table); 1379 remove_error_table(&et_prof_error_table); 1380 return exit_value; 1381} 1382