unix.c revision 1dc506cbe956419f0eafb8e84bae108ec2f0b2de
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 26extern char *optarg; 27extern 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 */ 55static int swapfs; 56static int normalize_swapfs; 57static int cflag; /* check disk */ 58static int show_version_only; 59static int verbose; 60 61static int replace_bad_blocks; 62static int keep_bad_blocks; 63static char *bad_blocks_file; 64 65e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ 66 67#ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jfs-debug */ 68int journal_enable_debug = -1; 69#endif 70 71static void usage(e2fsck_t ctx) 72{ 73 fprintf(stderr, 74 _("Usage: %s [-panyrcdfvstDFSV] [-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 98static void show_stats(e2fsck_t ctx) 99{ 100 ext2_filsys fs = ctx->fs; 101 ext2_ino_t inodes, inodes_used; 102 blk_t blocks, blocks_used; 103 int dir_links; 104 int num_files, num_links; 105 int frag_percent; 106 107 dir_links = 2 * ctx->fs_directory_count - 1; 108 num_files = ctx->fs_total_count - dir_links; 109 num_links = ctx->fs_links_count - dir_links; 110 inodes = fs->super->s_inodes_count; 111 inodes_used = (fs->super->s_inodes_count - 112 fs->super->s_free_inodes_count); 113 blocks = fs->super->s_blocks_count; 114 blocks_used = (fs->super->s_blocks_count - 115 fs->super->s_free_blocks_count); 116 117 frag_percent = (10000 * ctx->fs_fragmented) / inodes_used; 118 frag_percent = (frag_percent + 5) / 10; 119 120 if (!verbose) { 121 printf(_("%s: %u/%u files (%0d.%d%% non-contiguous), %u/%u blocks\n"), 122 ctx->device_name, inodes_used, inodes, 123 frag_percent / 10, frag_percent % 10, 124 blocks_used, blocks); 125 return; 126 } 127 printf (P_("\n%8u inode used (%2.2f%%)\n", "\n%8u inodes used (%2.2f%%)\n", 128 inodes_used), inodes_used, 100.0 * inodes_used / inodes); 129 printf (P_("%8u non-contiguous inode (%0d.%d%%)\n", 130 "%8u non-contiguous inodes (%0d.%d%%)\n", 131 ctx->fs_fragmented), 132 ctx->fs_fragmented, frag_percent / 10, frag_percent % 10); 133 printf (_(" # of inodes with ind/dind/tind blocks: %u/%u/%u\n"), 134 ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count); 135 printf (P_("%8u block used (%2.2f%%)\n", "%8u blocks used (%2.2f%%)\n", 136 blocks_used), blocks_used, 100.0 * blocks_used / blocks); 137 printf (P_("%8u bad block\n", "%8u bad blocks\n", 138 ctx->fs_badblocks_count), ctx->fs_badblocks_count); 139 printf (P_("%8u large file\n", "%8u large files\n", 140 ctx->large_files), ctx->large_files); 141 printf (P_("\n%8u regular file\n", "\n%8u regular files\n", 142 ctx->fs_regular_count), ctx->fs_regular_count); 143 printf (P_("%8u directory\n", "%8u directories\n", 144 ctx->fs_directory_count), ctx->fs_directory_count); 145 printf (P_("%8u character device file\n", 146 "%8u character device files\n", ctx->fs_chardev_count), 147 ctx->fs_chardev_count); 148 printf (P_("%8u block device file\n", "%8u block device files\n", 149 ctx->fs_blockdev_count), ctx->fs_blockdev_count); 150 printf (P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_count), 151 ctx->fs_fifo_count); 152 printf (P_("%8u link\n", "%8u links\n", 153 ctx->fs_links_count - dir_links), 154 ctx->fs_links_count - dir_links); 155 printf (P_("%8u symbolic link", "%8u symbolic links", 156 ctx->fs_symlinks_count), ctx->fs_symlinks_count); 157 printf (P_(" (%u fast symbolic link)\n", " (%u fast symbolic links)\n", 158 ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count); 159 printf (P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count), 160 ctx->fs_sockets_count); 161 printf ("--------\n"); 162 printf (P_("%8u file\n", "%8u files\n", 163 ctx->fs_total_count - dir_links), 164 ctx->fs_total_count - dir_links); 165} 166 167static void check_mount(e2fsck_t ctx) 168{ 169 errcode_t retval; 170 int cont; 171 172 retval = ext2fs_check_if_mounted(ctx->filesystem_name, 173 &ctx->mount_flags); 174 if (retval) { 175 com_err("ext2fs_check_if_mount", retval, 176 _("while determining whether %s is mounted."), 177 ctx->filesystem_name); 178 return; 179 } 180 181 /* 182 * If the filesystem isn't mounted, or it's the root 183 * filesystem and it's mounted read-only, and we're not doing 184 * a read/write check, then everything's fine. 185 */ 186 if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) || 187 ((ctx->mount_flags & EXT2_MF_ISROOT) && 188 (ctx->mount_flags & EXT2_MF_READONLY) && 189 !(ctx->options & E2F_OPT_WRITECHECK))) 190 return; 191 192 if ((ctx->options & E2F_OPT_READONLY) && 193 !(ctx->options & E2F_OPT_WRITECHECK)) { 194 printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name); 195 return; 196 } 197 198 printf(_("%s is mounted. "), ctx->filesystem_name); 199 if (!ctx->interactive) 200 fatal_error(ctx, _("Cannot continue, aborting.\n\n")); 201 printf(_("\n\n\007\007\007\007WARNING!!! " 202 "Running e2fsck on a mounted filesystem may cause\n" 203 "SEVERE filesystem damage.\007\007\007\n\n")); 204 cont = ask_yn(_("Do you really want to continue"), -1); 205 if (!cont) { 206 printf (_("check aborted.\n")); 207 exit (0); 208 } 209 return; 210} 211 212static int is_on_batt(void) 213{ 214 FILE *f; 215 DIR *d; 216 char tmp[80], tmp2[80], fname[80]; 217 unsigned int acflag; 218 struct dirent* de; 219 220 f = fopen("/proc/apm", "r"); 221 if (f) { 222 if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) 223 acflag = 1; 224 fclose(f); 225 return (acflag != 1); 226 } 227 d = opendir("/proc/acpi/ac_adapter"); 228 if (d) { 229 while ((de=readdir(d)) != NULL) { 230 if (!strncmp(".", de->d_name, 1)) 231 continue; 232 snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state", 233 de->d_name); 234 f = fopen(fname, "r"); 235 if (!f) 236 continue; 237 if (fscanf(f, "%s %s", tmp2, tmp) != 2) 238 tmp[0] = 0; 239 fclose(f); 240 if (strncmp(tmp, "off-line", 8) == 0) { 241 closedir(d); 242 return 1; 243 } 244 } 245 closedir(d); 246 } 247 return 0; 248} 249 250/* 251 * This routine checks to see if a filesystem can be skipped; if so, 252 * it will exit with E2FSCK_OK. Under some conditions it will print a 253 * message explaining why a check is being forced. 254 */ 255static void check_if_skip(e2fsck_t ctx) 256{ 257 ext2_filsys fs = ctx->fs; 258 const char *reason = NULL; 259 unsigned int reason_arg = 0; 260 long next_check; 261 int batt = is_on_batt(); 262 int defer_check_on_battery; 263 time_t lastcheck; 264 265 profile_get_boolean(ctx->profile, "options", 266 "defer_check_on_battery", 0, 1, 267 &defer_check_on_battery); 268 if (!defer_check_on_battery) 269 batt = 0; 270 271 if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || 272 cflag || swapfs) 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 && 294 ((ctx->now - lastcheck) >= fs->super->s_checkinterval)) { 295 reason = _(" has gone %u days without being checked"); 296 reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24); 297 if (batt && ((ctx->now - fs->super->s_lastcheck) < 298 fs->super->s_checkinterval*2)) 299 reason = 0; 300 } 301 if (reason) { 302 fputs(ctx->device_name, stdout); 303 printf(reason, reason_arg); 304 fputs(_(", check forced.\n"), stdout); 305 return; 306 } 307 printf(_("%s: clean, %u/%u files, %u/%u blocks"), ctx->device_name, 308 fs->super->s_inodes_count - fs->super->s_free_inodes_count, 309 fs->super->s_inodes_count, 310 fs->super->s_blocks_count - fs->super->s_free_blocks_count, 311 fs->super->s_blocks_count); 312 next_check = 100000; 313 if (fs->super->s_max_mnt_count > 0) { 314 next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count; 315 if (next_check <= 0) 316 next_check = 1; 317 } 318 if (fs->super->s_checkinterval && 319 ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval)) 320 next_check = 1; 321 if (next_check <= 5) { 322 if (next_check == 1) { 323 if (batt) 324 fputs(_(" (check deferred; on battery)"), 325 stdout); 326 else 327 fputs(_(" (check after next mount)"), stdout); 328 } else 329 printf(_(" (check in %ld mounts)"), next_check); 330 } 331 fputc('\n', stdout); 332 ext2fs_close(fs); 333 ctx->fs = NULL; 334 e2fsck_free_context(ctx); 335 exit(FSCK_OK); 336} 337 338/* 339 * For completion notice 340 */ 341struct percent_tbl { 342 int max_pass; 343 int table[32]; 344}; 345struct percent_tbl e2fsck_tbl = { 346 5, { 0, 70, 90, 92, 95, 100 } 347}; 348static char bar[128], spaces[128]; 349 350static float calc_percent(struct percent_tbl *tbl, int pass, int curr, 351 int max) 352{ 353 float percent; 354 355 if (pass <= 0) 356 return 0.0; 357 if (pass > tbl->max_pass || max == 0) 358 return 100.0; 359 percent = ((float) curr) / ((float) max); 360 return ((percent * (tbl->table[pass] - tbl->table[pass-1])) 361 + tbl->table[pass-1]); 362} 363 364extern void e2fsck_clear_progbar(e2fsck_t ctx) 365{ 366 if (!(ctx->flags & E2F_FLAG_PROG_BAR)) 367 return; 368 369 printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80), 370 ctx->stop_meta); 371 fflush(stdout); 372 ctx->flags &= ~E2F_FLAG_PROG_BAR; 373} 374 375int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, 376 unsigned int dpynum) 377{ 378 static const char spinner[] = "\\|/-"; 379 int i; 380 unsigned int tick; 381 struct timeval tv; 382 int dpywidth; 383 int fixed_percent; 384 385 if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) 386 return 0; 387 388 /* 389 * Calculate the new progress position. If the 390 * percentage hasn't changed, then we skip out right 391 * away. 392 */ 393 fixed_percent = (int) ((10 * percent) + 0.5); 394 if (ctx->progress_last_percent == fixed_percent) 395 return 0; 396 ctx->progress_last_percent = fixed_percent; 397 398 /* 399 * If we've already updated the spinner once within 400 * the last 1/8th of a second, no point doing it 401 * again. 402 */ 403 gettimeofday(&tv, NULL); 404 tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); 405 if ((tick == ctx->progress_last_time) && 406 (fixed_percent != 0) && (fixed_percent != 1000)) 407 return 0; 408 ctx->progress_last_time = tick; 409 410 /* 411 * Advance the spinner, and note that the progress bar 412 * will be on the screen 413 */ 414 ctx->progress_pos = (ctx->progress_pos+1) & 3; 415 ctx->flags |= E2F_FLAG_PROG_BAR; 416 417 dpywidth = 66 - strlen(label); 418 dpywidth = 8 * (dpywidth / 8); 419 if (dpynum) 420 dpywidth -= 8; 421 422 i = ((percent * dpywidth) + 50) / 100; 423 printf("%s%s: |%s%s", ctx->start_meta, label, 424 bar + (sizeof(bar) - (i+1)), 425 spaces + (sizeof(spaces) - (dpywidth - i + 1))); 426 if (fixed_percent == 1000) 427 fputc('|', stdout); 428 else 429 fputc(spinner[ctx->progress_pos & 3], stdout); 430 printf(" %4.1f%% ", percent); 431 if (dpynum) 432 printf("%u\r", dpynum); 433 else 434 fputs(" \r", stdout); 435 fputs(ctx->stop_meta, stdout); 436 437 if (fixed_percent == 1000) 438 e2fsck_clear_progbar(ctx); 439 fflush(stdout); 440 441 return 0; 442} 443 444static int e2fsck_update_progress(e2fsck_t ctx, int pass, 445 unsigned long cur, unsigned long max) 446{ 447 char buf[1024]; 448 float percent; 449 450 if (pass == 0) 451 return 0; 452 453 if (ctx->progress_fd) { 454 snprintf(buf, sizeof(buf), "%d %lu %lu %s\n", 455 pass, cur, max, ctx->device_name); 456 write(ctx->progress_fd, buf, strlen(buf)); 457 } else { 458 percent = calc_percent(&e2fsck_tbl, pass, cur, max); 459 e2fsck_simple_progress(ctx, ctx->device_name, 460 percent, 0); 461 } 462 return 0; 463} 464 465#define PATH_SET "PATH=/sbin" 466 467static void reserve_stdio_fds(void) 468{ 469 int fd; 470 471 while (1) { 472 fd = open("/dev/null", O_RDWR); 473 if (fd > 2) 474 break; 475 if (fd < 0) { 476 fprintf(stderr, _("ERROR: Couldn't open " 477 "/dev/null (%s)\n"), 478 strerror(errno)); 479 break; 480 } 481 } 482 close(fd); 483} 484 485#ifdef HAVE_SIGNAL_H 486static void signal_progress_on(int sig EXT2FS_ATTR((unused))) 487{ 488 e2fsck_t ctx = e2fsck_global_ctx; 489 490 if (!ctx) 491 return; 492 493 ctx->progress = e2fsck_update_progress; 494} 495 496static void signal_progress_off(int sig EXT2FS_ATTR((unused))) 497{ 498 e2fsck_t ctx = e2fsck_global_ctx; 499 500 if (!ctx) 501 return; 502 503 e2fsck_clear_progbar(ctx); 504 ctx->progress = 0; 505} 506 507static void signal_cancel(int sig EXT2FS_ATTR((unused))) 508{ 509 e2fsck_t ctx = e2fsck_global_ctx; 510 511 if (!ctx) 512 exit(FSCK_CANCELED); 513 514 ctx->flags |= E2F_FLAG_CANCEL; 515} 516#endif 517 518static void parse_extended_opts(e2fsck_t ctx, const char *opts) 519{ 520 char *buf, *token, *next, *p, *arg; 521 int ea_ver; 522 int extended_usage = 0; 523 524 buf = string_copy(ctx, opts, 0); 525 for (token = buf; token && *token; token = next) { 526 p = strchr(token, ','); 527 next = 0; 528 if (p) { 529 *p = 0; 530 next = p+1; 531 } 532 arg = strchr(token, '='); 533 if (arg) { 534 *arg = 0; 535 arg++; 536 } 537 if (strcmp(token, "ea_ver") == 0) { 538 if (!arg) { 539 extended_usage++; 540 continue; 541 } 542 ea_ver = strtoul(arg, &p, 0); 543 if (*p || 544 ((ea_ver != 1) && (ea_ver != 2))) { 545 fprintf(stderr, 546 _("Invalid EA version.\n")); 547 extended_usage++; 548 continue; 549 } 550 ctx->ext_attr_ver = ea_ver; 551 } else { 552 fprintf(stderr, _("Unknown extended option: %s\n"), 553 token); 554 extended_usage++; 555 } 556 } 557 free(buf); 558 559 if (extended_usage) { 560 fputs(("\nExtended options are separated by commas, " 561 "and may take an argument which\n" 562 "is set off by an equals ('=') sign. " 563 "Valid extended options are:\n" 564 "\tea_ver=<ea_version (1 or 2)>\n\n"), stderr); 565 exit(1); 566 } 567} 568 569static void syntax_err_report(const char *filename, long err, int line_num) 570{ 571 fprintf(stderr, 572 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"), 573 filename, line_num, error_message(err)); 574 exit(FSCK_ERROR); 575} 576 577static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 }; 578 579static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx) 580{ 581 int flush = 0; 582 int c, fd; 583#ifdef MTRACE 584 extern void *mallwatch; 585#endif 586 e2fsck_t ctx; 587 errcode_t retval; 588#ifdef HAVE_SIGNAL_H 589 struct sigaction sa; 590#endif 591 char *extended_opts = 0; 592 char *cp; 593 int res; /* result of sscanf */ 594#ifdef CONFIG_JBD_DEBUG 595 char *jbd_debug; 596#endif 597 598 retval = e2fsck_allocate_context(&ctx); 599 if (retval) 600 return retval; 601 602 *ret_ctx = ctx; 603 604 setvbuf(stdout, NULL, _IONBF, BUFSIZ); 605 setvbuf(stderr, NULL, _IONBF, BUFSIZ); 606 if (isatty(0) && isatty(1)) { 607 ctx->interactive = 1; 608 } else { 609 ctx->start_meta[0] = '\001'; 610 ctx->stop_meta[0] = '\002'; 611 } 612 memset(bar, '=', sizeof(bar)-1); 613 memset(spaces, ' ', sizeof(spaces)-1); 614 add_error_table(&et_ext2_error_table); 615 add_error_table(&et_prof_error_table); 616 blkid_get_cache(&ctx->blkid, NULL); 617 618 if (argc && *argv) 619 ctx->program_name = *argv; 620 else 621 ctx->program_name = "e2fsck"; 622 while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF) 623 switch (c) { 624 case 'C': 625 ctx->progress = e2fsck_update_progress; 626 res = sscanf(optarg, "%d", &ctx->progress_fd); 627 if (res != 1) 628 goto sscanf_err; 629 630 if (ctx->progress_fd < 0) { 631 ctx->progress = 0; 632 ctx->progress_fd = ctx->progress_fd * -1; 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 ctx->filesystem_name = string_copy(ctx, ctx->filesystem_name, 0); 779 if (extended_opts) 780 parse_extended_opts(ctx, extended_opts); 781 782 if ((cp = getenv("E2FSCK_CONFIG")) != NULL) 783 config_fn[0] = cp; 784 profile_set_syntax_err_cb(syntax_err_report); 785 profile_init(config_fn, &ctx->profile); 786 787 if (flush) { 788 fd = open(ctx->filesystem_name, O_RDONLY, 0); 789 if (fd < 0) { 790 com_err("open", errno, 791 _("while opening %s for flushing"), 792 ctx->filesystem_name); 793 fatal_error(ctx, 0); 794 } 795 if ((retval = ext2fs_sync_device(fd, 1))) { 796 com_err("ext2fs_sync_device", retval, 797 _("while trying to flush %s"), 798 ctx->filesystem_name); 799 fatal_error(ctx, 0); 800 } 801 close(fd); 802 } 803#ifdef ENABLE_SWAPFS 804 if (swapfs) { 805 if (cflag || bad_blocks_file) { 806 fprintf(stderr, _("Incompatible options not " 807 "allowed when byte-swapping.\n")); 808 exit(FSCK_USAGE); 809 } 810 } 811#endif 812 if (cflag && bad_blocks_file) { 813 fprintf(stderr, _("The -c and the -l/-L options may " 814 "not be both used at the same time.\n")); 815 exit(FSCK_USAGE); 816 } 817#ifdef HAVE_SIGNAL_H 818 /* 819 * Set up signal action 820 */ 821 memset(&sa, 0, sizeof(struct sigaction)); 822 sa.sa_handler = signal_cancel; 823 sigaction(SIGINT, &sa, 0); 824 sigaction(SIGTERM, &sa, 0); 825#ifdef SA_RESTART 826 sa.sa_flags = SA_RESTART; 827#endif 828 e2fsck_global_ctx = ctx; 829 sa.sa_handler = signal_progress_on; 830 sigaction(SIGUSR1, &sa, 0); 831 sa.sa_handler = signal_progress_off; 832 sigaction(SIGUSR2, &sa, 0); 833#endif 834 835 /* Update our PATH to include /sbin if we need to run badblocks */ 836 if (cflag) { 837 char *oldpath = getenv("PATH"); 838 char *newpath; 839 int len = sizeof(PATH_SET) + 1; 840 841 if (oldpath) 842 len += strlen(oldpath); 843 844 newpath = malloc(len); 845 if (!newpath) 846 fatal_error(ctx, "Couldn't malloc() newpath"); 847 strcpy(newpath, PATH_SET); 848 849 if (oldpath) { 850 strcat(newpath, ":"); 851 strcat(newpath, oldpath); 852 } 853 putenv(newpath); 854 } 855#ifdef CONFIG_JBD_DEBUG 856 jbd_debug = getenv("E2FSCK_JBD_DEBUG"); 857 if (jbd_debug) { 858 res = sscanf(jbd_debug, "%d", &journal_enable_debug); 859 if (res != 1) { 860 fprintf(stderr, 861 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"), 862 jbd_debug); 863 exit (1); 864 } 865 } 866#endif 867 return 0; 868 869sscanf_err: 870 fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"), 871 c, optarg); 872 exit (1); 873} 874 875static const char *my_ver_string = E2FSPROGS_VERSION; 876static const char *my_ver_date = E2FSPROGS_DATE; 877 878int main (int argc, char *argv[]) 879{ 880 errcode_t retval = 0, orig_retval = 0; 881 int exit_value = FSCK_OK; 882 ext2_filsys fs = 0; 883 io_manager io_ptr; 884 struct ext2_super_block *sb; 885 const char *lib_ver_date; 886 int my_ver, lib_ver; 887 e2fsck_t ctx; 888 struct problem_context pctx; 889 int flags, run_result; 890 int journal_size; 891 int sysval, sys_page_size = 4096; 892 __u32 features[3]; 893 char *cp; 894 895 clear_problem_context(&pctx); 896#ifdef MTRACE 897 mtrace(); 898#endif 899#ifdef MCHECK 900 mcheck(0); 901#endif 902#ifdef ENABLE_NLS 903 setlocale(LC_MESSAGES, ""); 904 setlocale(LC_CTYPE, ""); 905 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 906 textdomain(NLS_CAT_NAME); 907#endif 908 my_ver = ext2fs_parse_version_string(my_ver_string); 909 lib_ver = ext2fs_get_library_version(0, &lib_ver_date); 910 if (my_ver > lib_ver) { 911 fprintf( stderr, _("Error: ext2fs library version " 912 "out of date!\n")); 913 show_version_only++; 914 } 915 916 retval = PRS(argc, argv, &ctx); 917 if (retval) { 918 com_err("e2fsck", retval, 919 _("while trying to initialize program")); 920 exit(FSCK_ERROR); 921 } 922 reserve_stdio_fds(); 923 924#ifdef RESOURCE_TRACK 925 init_resource_track(&ctx->global_rtrack); 926#endif 927 928 if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) 929 fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string, 930 my_ver_date); 931 932 if (show_version_only) { 933 fprintf(stderr, _("\tUsing %s, %s\n"), 934 error_message(EXT2_ET_BASE), lib_ver_date); 935 exit(FSCK_OK); 936 } 937 938 check_mount(ctx); 939 940 if (!(ctx->options & E2F_OPT_PREEN) && 941 !(ctx->options & E2F_OPT_NO) && 942 !(ctx->options & E2F_OPT_YES)) { 943 if (!ctx->interactive) 944 fatal_error(ctx, 945 _("need terminal for interactive repairs")); 946 } 947 ctx->superblock = ctx->use_superblock; 948restart: 949#ifdef CONFIG_TESTIO_DEBUG 950 io_ptr = test_io_manager; 951 test_io_backing_manager = unix_io_manager; 952#else 953 io_ptr = unix_io_manager; 954#endif 955 flags = EXT2_FLAG_NOFREE_ON_ERROR; 956 if ((ctx->options & E2F_OPT_READONLY) == 0) 957 flags |= EXT2_FLAG_RW; 958 if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0) 959 flags |= EXT2_FLAG_EXCLUSIVE; 960 961 if (ctx->superblock && ctx->blocksize) { 962 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 963 flags, ctx->superblock, ctx->blocksize, 964 io_ptr, &fs); 965 } else if (ctx->superblock) { 966 int blocksize; 967 for (blocksize = EXT2_MIN_BLOCK_SIZE; 968 blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { 969 retval = ext2fs_open2(ctx->filesystem_name, 970 ctx->io_options, flags, 971 ctx->superblock, blocksize, 972 io_ptr, &fs); 973 if (!retval) 974 break; 975 } 976 } else 977 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 978 flags, 0, 0, io_ptr, &fs); 979 if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && 980 !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && 981 ((retval == EXT2_ET_BAD_MAGIC) || 982 (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || 983 ((retval == 0) && ext2fs_check_desc(fs)))) { 984 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) { 985 ext2fs_free(fs); 986 fs = NULL; 987 } 988 if (!fs || (fs->group_desc_count > 1)) { 989 printf(_("%s: %s trying backup blocks...\n"), 990 ctx->program_name, 991 retval ? _("Superblock invalid,") : 992 _("Group descriptors look bad...")); 993 get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); 994 if (fs) 995 ext2fs_close(fs); 996 orig_retval = retval; 997 goto restart; 998 } 999 } 1000 if (((retval == EXT2_ET_UNSUPP_FEATURE) || 1001 (retval == EXT2_ET_RO_UNSUPP_FEATURE)) && 1002 fs && fs->super) { 1003 sb = fs->super; 1004 features[0] = (sb->s_feature_compat & 1005 ~EXT2_LIB_FEATURE_COMPAT_SUPP); 1006 features[1] = (sb->s_feature_incompat & 1007 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP); 1008 features[2] = (sb->s_feature_ro_compat & 1009 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 1010 if (features[0] || features[1] || features[2]) 1011 goto print_unsupp_features; 1012 } 1013 if (retval) { 1014 if (orig_retval) 1015 retval = orig_retval; 1016 com_err(ctx->program_name, retval, _("while trying to open %s"), 1017 ctx->filesystem_name); 1018 if (retval == EXT2_ET_REV_TOO_HIGH) { 1019 printf(_("The filesystem revision is apparently " 1020 "too high for this version of e2fsck.\n" 1021 "(Or the filesystem superblock " 1022 "is corrupt)\n\n")); 1023 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1024 } else if (retval == EXT2_ET_SHORT_READ) 1025 printf(_("Could this be a zero-length partition?\n")); 1026 else if ((retval == EPERM) || (retval == EACCES)) 1027 printf(_("You must have %s access to the " 1028 "filesystem or be root\n"), 1029 (ctx->options & E2F_OPT_READONLY) ? 1030 "r/o" : "r/w"); 1031 else if (retval == ENXIO) 1032 printf(_("Possibly non-existent or swap device?\n")); 1033 else if (retval == EBUSY) 1034 printf(_("Filesystem mounted or opened exclusively " 1035 "by another program?\n")); 1036#ifdef EROFS 1037 else if (retval == EROFS) 1038 printf(_("Disk write-protected; use the -n option " 1039 "to do a read-only\n" 1040 "check of the device.\n")); 1041#endif 1042 else 1043 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1044 fatal_error(ctx, 0); 1045 } 1046 /* 1047 * We only update the master superblock because (a) paranoia; 1048 * we don't want to corrupt the backup superblocks, and (b) we 1049 * don't need to update the mount count and last checked 1050 * fields in the backup superblock (the kernel doesn't update 1051 * the backup superblocks anyway). With newer versions of the 1052 * library this flag is set by ext2fs_open2(), but we set this 1053 * here just to be sure. (No, we don't support e2fsck running 1054 * with some other libext2fs than the one that it was shipped 1055 * with, but just in case....) 1056 */ 1057 fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; 1058 1059 if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) { 1060 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super); 1061 int need_restart = 0; 1062 1063 pctx.errcode = ext2fs_get_device_size(ctx->filesystem_name, 1064 blocksize, 1065 &ctx->num_blocks); 1066 /* 1067 * The floppy driver refuses to allow anyone else to 1068 * open the device if has been opened with O_EXCL; 1069 * this is unlike other block device drivers in Linux. 1070 * To handle this, we close the filesystem and then 1071 * reopen the filesystem after we get the device size. 1072 */ 1073 if (pctx.errcode == EBUSY) { 1074 ext2fs_close(fs); 1075 need_restart++; 1076 pctx.errcode = 1077 ext2fs_get_device_size(ctx->filesystem_name, 1078 blocksize, 1079 &ctx->num_blocks); 1080 } 1081 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED) 1082 ctx->num_blocks = 0; 1083 else if (pctx.errcode) { 1084 fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); 1085 ctx->flags |= E2F_FLAG_ABORT; 1086 fatal_error(ctx, 0); 1087 } 1088 ctx->flags |= E2F_FLAG_GOT_DEVSIZE; 1089 if (need_restart) 1090 goto restart; 1091 } 1092 1093 ctx->fs = fs; 1094 fs->priv_data = ctx; 1095 fs->now = ctx->now; 1096 sb = fs->super; 1097 if (sb->s_rev_level > E2FSCK_CURRENT_REV) { 1098 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH, 1099 _("while trying to open %s"), 1100 ctx->filesystem_name); 1101 get_newer: 1102 fatal_error(ctx, _("Get a newer version of e2fsck!")); 1103 } 1104 1105 /* 1106 * Set the device name, which is used whenever we print error 1107 * or informational messages to the user. 1108 */ 1109 if (ctx->device_name == 0 && 1110 (sb->s_volume_name[0] != 0)) { 1111 ctx->device_name = string_copy(ctx, sb->s_volume_name, 1112 sizeof(sb->s_volume_name)); 1113 } 1114 if (ctx->device_name == 0) 1115 ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0); 1116 for (cp = ctx->device_name; *cp; cp++) 1117 if (isspace(*cp) || *cp == ':') 1118 *cp = '_'; 1119 1120 /* 1121 * Make sure the ext3 superblock fields are consistent. 1122 */ 1123 retval = e2fsck_check_ext3_journal(ctx); 1124 if (retval) { 1125 com_err(ctx->program_name, retval, 1126 _("while checking ext3 journal for %s"), 1127 ctx->device_name); 1128 fatal_error(ctx, 0); 1129 } 1130 1131 /* 1132 * Check to see if we need to do ext3-style recovery. If so, 1133 * do it, and then restart the fsck. 1134 */ 1135 if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) { 1136 if (ctx->options & E2F_OPT_READONLY) { 1137 printf(_("Warning: skipping journal recovery " 1138 "because doing a read-only filesystem " 1139 "check.\n")); 1140 io_channel_flush(ctx->fs->io); 1141 } else { 1142 if (ctx->flags & E2F_FLAG_RESTARTED) { 1143 /* 1144 * Whoops, we attempted to run the 1145 * journal twice. This should never 1146 * happen, unless the hardware or 1147 * device driver is being bogus. 1148 */ 1149 com_err(ctx->program_name, 0, 1150 _("unable to set superblock flags on %s\n"), ctx->device_name); 1151 fatal_error(ctx, 0); 1152 } 1153 retval = e2fsck_run_ext3_journal(ctx); 1154 if (retval) { 1155 com_err(ctx->program_name, retval, 1156 _("while recovering ext3 journal of %s"), 1157 ctx->device_name); 1158 fatal_error(ctx, 0); 1159 } 1160 ext2fs_close(ctx->fs); 1161 ctx->fs = 0; 1162 ctx->flags |= E2F_FLAG_RESTARTED; 1163 goto restart; 1164 } 1165 } 1166 1167 /* 1168 * Check for compatibility with the feature sets. We need to 1169 * be more stringent than ext2fs_open(). 1170 */ 1171 features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP; 1172 features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP; 1173 features[2] = (sb->s_feature_ro_compat & 1174 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 1175print_unsupp_features: 1176 if (features[0] || features[1] || features[2]) { 1177 int i, j; 1178 __u32 *mask = features, m; 1179 1180 fprintf(stderr, _("%s has unsupported feature(s):"), 1181 ctx->filesystem_name); 1182 1183 for (i=0; i <3; i++,mask++) { 1184 for (j=0,m=1; j < 32; j++, m<<=1) { 1185 if (*mask & m) 1186 fprintf(stderr, " %s", 1187 e2p_feature2string(i, m)); 1188 } 1189 } 1190 putc('\n', stderr); 1191 goto get_newer; 1192 } 1193#ifdef ENABLE_COMPRESSION 1194 if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION) 1195 com_err(ctx->program_name, 0, 1196 _("Warning: compression support is experimental.\n")); 1197#endif 1198#ifndef ENABLE_HTREE 1199 if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) { 1200 com_err(ctx->program_name, 0, 1201 _("E2fsck not compiled with HTREE support,\n\t" 1202 "but filesystem %s has HTREE directories.\n"), 1203 ctx->device_name); 1204 goto get_newer; 1205 } 1206#endif 1207 1208 /* 1209 * If the user specified a specific superblock, presumably the 1210 * master superblock has been trashed. So we mark the 1211 * superblock as dirty, so it can be written out. 1212 */ 1213 if (ctx->superblock && 1214 !(ctx->options & E2F_OPT_READONLY)) 1215 ext2fs_mark_super_dirty(fs); 1216 1217 /* 1218 * Calculate the number of filesystem blocks per pagesize. If 1219 * fs->blocksize > page_size, set the number of blocks per 1220 * pagesize to 1 to avoid division by zero errors. 1221 */ 1222#ifdef _SC_PAGESIZE 1223 sysval = sysconf(_SC_PAGESIZE); 1224 if (sysval > 0) 1225 sys_page_size = sysval; 1226#endif /* _SC_PAGESIZE */ 1227 ctx->blocks_per_page = sys_page_size / fs->blocksize; 1228 if (ctx->blocks_per_page == 0) 1229 ctx->blocks_per_page = 1; 1230 1231 ehandler_init(fs->io); 1232 1233 if (ctx->superblock) 1234 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); 1235 ext2fs_mark_valid(fs); 1236 check_super_block(ctx); 1237 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1238 fatal_error(ctx, 0); 1239 check_if_skip(ctx); 1240 if (bad_blocks_file) 1241 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks); 1242 else if (cflag) 1243 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */ 1244 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1245 fatal_error(ctx, 0); 1246#ifdef ENABLE_SWAPFS 1247 if (normalize_swapfs) { 1248 if ((fs->flags & EXT2_FLAG_SWAP_BYTES) == 1249 ext2fs_native_flag()) { 1250 fprintf(stderr, _("%s: Filesystem byte order " 1251 "already normalized.\n"), ctx->device_name); 1252 fatal_error(ctx, 0); 1253 } 1254 } 1255 if (swapfs) { 1256 swap_filesys(ctx); 1257 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1258 fatal_error(ctx, 0); 1259 } 1260#endif 1261 1262 /* 1263 * Mark the system as valid, 'til proven otherwise 1264 */ 1265 ext2fs_mark_valid(fs); 1266 1267 retval = ext2fs_read_bb_inode(fs, &fs->badblocks); 1268 if (retval) { 1269 com_err(ctx->program_name, retval, 1270 _("while reading bad blocks inode")); 1271 preenhalt(ctx); 1272 printf(_("This doesn't bode well," 1273 " but we'll try to go on...\n")); 1274 } 1275 1276 /* 1277 * Save the journal size in megabytes. 1278 * Try and use the journal size from the backup else let e2fsck 1279 * find the default journal size. 1280 */ 1281 if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) 1282 journal_size = sb->s_jnl_blocks[16] >> 20; 1283 else 1284 journal_size = -1; 1285 1286 run_result = e2fsck_run(ctx); 1287 e2fsck_clear_progbar(ctx); 1288 1289 if (ctx->flags & E2F_FLAG_JOURNAL_INODE) { 1290 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) { 1291 if (journal_size < 1024) 1292 journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count); 1293 if (journal_size < 0) { 1294 fs->super->s_feature_compat &= 1295 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1296 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1297 com_err(ctx->program_name, 0, 1298 _("Couldn't determine journal size")); 1299 goto no_journal; 1300 } 1301 printf(_("Creating journal (%d blocks): "), 1302 journal_size); 1303 fflush(stdout); 1304 retval = ext2fs_add_journal_inode(fs, 1305 journal_size, 0); 1306 if (retval) { 1307 com_err("Error ", retval, 1308 _("\n\twhile trying to create journal")); 1309 goto no_journal; 1310 } 1311 printf(_(" Done.\n")); 1312 printf(_("\n*** journal has been re-created - " 1313 "filesystem is now ext3 again ***\n")); 1314 } 1315 } 1316no_journal: 1317 1318 if (run_result == E2F_FLAG_RESTART) { 1319 printf(_("Restarting e2fsck from the beginning...\n")); 1320 retval = e2fsck_reset_context(ctx); 1321 if (retval) { 1322 com_err(ctx->program_name, retval, 1323 _("while resetting context")); 1324 fatal_error(ctx, 0); 1325 } 1326 ext2fs_close(fs); 1327 goto restart; 1328 } 1329 if (run_result & E2F_FLAG_CANCEL) { 1330 printf(_("%s: e2fsck canceled.\n"), ctx->device_name ? 1331 ctx->device_name : ctx->filesystem_name); 1332 exit_value |= FSCK_CANCELED; 1333 } 1334 if (run_result & E2F_FLAG_ABORT) 1335 fatal_error(ctx, _("aborted")); 1336 if (check_backup_super_block(ctx)) { 1337 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1338 ext2fs_mark_super_dirty(fs); 1339 } 1340 1341#ifdef MTRACE 1342 mtrace_print("Cleanup"); 1343#endif 1344 if (ext2fs_test_changed(fs)) { 1345 exit_value |= FSCK_NONDESTRUCT; 1346 if (!(ctx->options & E2F_OPT_PREEN)) 1347 printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"), 1348 ctx->device_name); 1349 if (ctx->mount_flags & EXT2_MF_ISROOT) { 1350 printf(_("%s: ***** REBOOT LINUX *****\n"), 1351 ctx->device_name); 1352 exit_value |= FSCK_REBOOT; 1353 } 1354 } 1355 if (!ext2fs_test_valid(fs) || 1356 ((exit_value & FSCK_CANCELED) && 1357 (sb->s_state & EXT2_ERROR_FS))) { 1358 printf(_("\n%s: ********** WARNING: Filesystem still has " 1359 "errors **********\n\n"), ctx->device_name); 1360 exit_value |= FSCK_UNCORRECTED; 1361 exit_value &= ~FSCK_NONDESTRUCT; 1362 } 1363 if (exit_value & FSCK_CANCELED) { 1364 int allow_cancellation; 1365 1366 profile_get_boolean(ctx->profile, "options", 1367 "allow_cancellation", 0, 0, 1368 &allow_cancellation); 1369 exit_value &= ~FSCK_NONDESTRUCT; 1370 if (allow_cancellation && ext2fs_test_valid(fs) && 1371 (sb->s_state & EXT2_VALID_FS) && 1372 !(sb->s_state & EXT2_ERROR_FS)) 1373 exit_value = 0; 1374 } else { 1375 show_stats(ctx); 1376 if (!(ctx->options & E2F_OPT_READONLY)) { 1377 if (ext2fs_test_valid(fs)) { 1378 if (!(sb->s_state & EXT2_VALID_FS)) 1379 exit_value |= FSCK_NONDESTRUCT; 1380 sb->s_state = EXT2_VALID_FS; 1381 } else 1382 sb->s_state &= ~EXT2_VALID_FS; 1383 sb->s_mnt_count = 0; 1384 sb->s_lastcheck = ctx->now; 1385 ext2fs_mark_super_dirty(fs); 1386 } 1387 } 1388 1389 e2fsck_write_bitmaps(ctx); 1390 1391 ext2fs_close(fs); 1392 ctx->fs = NULL; 1393 free(ctx->filesystem_name); 1394 free(ctx->journal_name); 1395 1396#ifdef RESOURCE_TRACK 1397 if (ctx->options & E2F_OPT_TIME) 1398 print_resource_track(NULL, &ctx->global_rtrack); 1399#endif 1400 e2fsck_free_context(ctx); 1401 remove_error_table(&et_ext2_error_table); 1402 remove_error_table(&et_prof_error_table); 1403 return exit_value; 1404} 1405