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[80]; 448 float percent; 449 450 if (pass == 0) 451 return 0; 452 453 if (ctx->progress_fd) { 454 sprintf(buf, "%d %lu %lu\n", pass, cur, max); 455 write(ctx->progress_fd, buf, strlen(buf)); 456 } else { 457 percent = calc_percent(&e2fsck_tbl, pass, cur, max); 458 e2fsck_simple_progress(ctx, ctx->device_name, 459 percent, 0); 460 } 461 return 0; 462} 463 464#define PATH_SET "PATH=/sbin" 465 466static void reserve_stdio_fds(void) 467{ 468 int fd; 469 470 while (1) { 471 fd = open("/dev/null", O_RDWR); 472 if (fd > 2) 473 break; 474 if (fd < 0) { 475 fprintf(stderr, _("ERROR: Couldn't open " 476 "/dev/null (%s)\n"), 477 strerror(errno)); 478 break; 479 } 480 } 481 close(fd); 482} 483 484#ifdef HAVE_SIGNAL_H 485static void signal_progress_on(int sig EXT2FS_ATTR((unused))) 486{ 487 e2fsck_t ctx = e2fsck_global_ctx; 488 489 if (!ctx) 490 return; 491 492 ctx->progress = e2fsck_update_progress; 493 ctx->progress_fd = 0; 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) 631 break; 632 /* Validate the file descriptor to avoid disasters */ 633 fd = dup(ctx->progress_fd); 634 if (fd < 0) { 635 fprintf(stderr, 636 _("Error validating file descriptor %d: %s\n"), 637 ctx->progress_fd, 638 error_message(errno)); 639 fatal_error(ctx, 640 _("Invalid completion information file descriptor")); 641 } else 642 close(fd); 643 break; 644 case 'D': 645 ctx->options |= E2F_OPT_COMPRESS_DIRS; 646 break; 647 case 'E': 648 extended_opts = optarg; 649 break; 650 case 'p': 651 case 'a': 652 if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) { 653 conflict_opt: 654 fatal_error(ctx, 655 _("Only one of the options -p/-a, -n or -y may be specified.")); 656 } 657 ctx->options |= E2F_OPT_PREEN; 658 break; 659 case 'n': 660 if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN)) 661 goto conflict_opt; 662 ctx->options |= E2F_OPT_NO; 663 break; 664 case 'y': 665 if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO)) 666 goto conflict_opt; 667 ctx->options |= E2F_OPT_YES; 668 break; 669 case 't': 670#ifdef RESOURCE_TRACK 671 if (ctx->options & E2F_OPT_TIME) 672 ctx->options |= E2F_OPT_TIME2; 673 else 674 ctx->options |= E2F_OPT_TIME; 675#else 676 fprintf(stderr, _("The -t option is not " 677 "supported on this version of e2fsck.\n")); 678#endif 679 break; 680 case 'c': 681 if (cflag++) 682 ctx->options |= E2F_OPT_WRITECHECK; 683 ctx->options |= E2F_OPT_CHECKBLOCKS; 684 break; 685 case 'r': 686 /* What we do by default, anyway! */ 687 break; 688 case 'b': 689 res = sscanf(optarg, "%d", &ctx->use_superblock); 690 if (res != 1) 691 goto sscanf_err; 692 ctx->flags |= E2F_FLAG_SB_SPECIFIED; 693 break; 694 case 'B': 695 ctx->blocksize = atoi(optarg); 696 break; 697 case 'I': 698 res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks); 699 if (res != 1) 700 goto sscanf_err; 701 break; 702 case 'j': 703 ctx->journal_name = string_copy(ctx, optarg, 0); 704 break; 705 case 'P': 706 res = sscanf(optarg, "%d", &ctx->process_inode_size); 707 if (res != 1) 708 goto sscanf_err; 709 break; 710 case 'L': 711 replace_bad_blocks++; 712 case 'l': 713 bad_blocks_file = string_copy(ctx, optarg, 0); 714 break; 715 case 'd': 716 ctx->options |= E2F_OPT_DEBUG; 717 break; 718 case 'f': 719 ctx->options |= E2F_OPT_FORCE; 720 break; 721 case 'F': 722 flush = 1; 723 break; 724 case 'v': 725 verbose = 1; 726 break; 727 case 'V': 728 show_version_only = 1; 729 break; 730#ifdef MTRACE 731 case 'M': 732 mallwatch = (void *) strtol(optarg, NULL, 0); 733 break; 734#endif 735 case 'N': 736 ctx->device_name = optarg; 737 break; 738#ifdef ENABLE_SWAPFS 739 case 's': 740 normalize_swapfs = 1; 741 case 'S': 742 swapfs = 1; 743 break; 744#else 745 case 's': 746 case 'S': 747 fprintf(stderr, _("Byte-swapping filesystems " 748 "not compiled in this version " 749 "of e2fsck\n")); 750 exit(1); 751#endif 752 case 'k': 753 keep_bad_blocks++; 754 break; 755 default: 756 usage(ctx); 757 } 758 if (show_version_only) 759 return 0; 760 if (optind != argc - 1) 761 usage(ctx); 762 if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file && 763 !cflag && !swapfs && !(ctx->options & E2F_OPT_COMPRESS_DIRS)) 764 ctx->options |= E2F_OPT_READONLY; 765 ctx->io_options = strchr(argv[optind], '?'); 766 if (ctx->io_options) 767 *ctx->io_options++ = 0; 768 ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0); 769 if (!ctx->filesystem_name) { 770 com_err(ctx->program_name, 0, _("Unable to resolve '%s'"), 771 argv[optind]); 772 fatal_error(ctx, 0); 773 } 774 if (extended_opts) 775 parse_extended_opts(ctx, extended_opts); 776 777 if ((cp = getenv("E2FSCK_CONFIG")) != NULL) 778 config_fn[0] = cp; 779 profile_set_syntax_err_cb(syntax_err_report); 780 profile_init(config_fn, &ctx->profile); 781 782 if (flush) { 783 fd = open(ctx->filesystem_name, O_RDONLY, 0); 784 if (fd < 0) { 785 com_err("open", errno, 786 _("while opening %s for flushing"), 787 ctx->filesystem_name); 788 fatal_error(ctx, 0); 789 } 790 if ((retval = ext2fs_sync_device(fd, 1))) { 791 com_err("ext2fs_sync_device", retval, 792 _("while trying to flush %s"), 793 ctx->filesystem_name); 794 fatal_error(ctx, 0); 795 } 796 close(fd); 797 } 798#ifdef ENABLE_SWAPFS 799 if (swapfs) { 800 if (cflag || bad_blocks_file) { 801 fprintf(stderr, _("Incompatible options not " 802 "allowed when byte-swapping.\n")); 803 exit(FSCK_USAGE); 804 } 805 } 806#endif 807 if (cflag && bad_blocks_file) { 808 fprintf(stderr, _("The -c and the -l/-L options may " 809 "not be both used at the same time.\n")); 810 exit(FSCK_USAGE); 811 } 812#ifdef HAVE_SIGNAL_H 813 /* 814 * Set up signal action 815 */ 816 memset(&sa, 0, sizeof(struct sigaction)); 817 sa.sa_handler = signal_cancel; 818 sigaction(SIGINT, &sa, 0); 819 sigaction(SIGTERM, &sa, 0); 820#ifdef SA_RESTART 821 sa.sa_flags = SA_RESTART; 822#endif 823 e2fsck_global_ctx = ctx; 824 sa.sa_handler = signal_progress_on; 825 sigaction(SIGUSR1, &sa, 0); 826 sa.sa_handler = signal_progress_off; 827 sigaction(SIGUSR2, &sa, 0); 828#endif 829 830 /* Update our PATH to include /sbin if we need to run badblocks */ 831 if (cflag) { 832 char *oldpath = getenv("PATH"); 833 char *newpath; 834 int len = sizeof(PATH_SET) + 1; 835 836 if (oldpath) 837 len += strlen(oldpath); 838 839 newpath = malloc(len); 840 if (!newpath) 841 fatal_error(ctx, "Couldn't malloc() newpath"); 842 strcpy(newpath, PATH_SET); 843 844 if (oldpath) { 845 strcat(newpath, ":"); 846 strcat(newpath, oldpath); 847 } 848 putenv(newpath); 849 } 850#ifdef CONFIG_JBD_DEBUG 851 jbd_debug = getenv("E2FSCK_JBD_DEBUG"); 852 if (jbd_debug) { 853 res = sscanf(jbd_debug, "%d", &journal_enable_debug); 854 if (res != 1) { 855 fprintf(stderr, 856 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"), 857 jbd_debug); 858 exit (1); 859 } 860 } 861#endif 862 return 0; 863 864sscanf_err: 865 fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"), 866 c, optarg); 867 exit (1); 868} 869 870static const char *my_ver_string = E2FSPROGS_VERSION; 871static const char *my_ver_date = E2FSPROGS_DATE; 872 873int main (int argc, char *argv[]) 874{ 875 errcode_t retval = 0, orig_retval = 0; 876 int exit_value = FSCK_OK; 877 ext2_filsys fs = 0; 878 io_manager io_ptr; 879 struct ext2_super_block *sb; 880 const char *lib_ver_date; 881 int my_ver, lib_ver; 882 e2fsck_t ctx; 883 struct problem_context pctx; 884 int flags, run_result; 885 int journal_size; 886 int sysval, sys_page_size = 4096; 887 __u32 features[3]; 888 889 clear_problem_context(&pctx); 890#ifdef MTRACE 891 mtrace(); 892#endif 893#ifdef MCHECK 894 mcheck(0); 895#endif 896#ifdef ENABLE_NLS 897 setlocale(LC_MESSAGES, ""); 898 setlocale(LC_CTYPE, ""); 899 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 900 textdomain(NLS_CAT_NAME); 901#endif 902 my_ver = ext2fs_parse_version_string(my_ver_string); 903 lib_ver = ext2fs_get_library_version(0, &lib_ver_date); 904 if (my_ver > lib_ver) { 905 fprintf( stderr, _("Error: ext2fs library version " 906 "out of date!\n")); 907 show_version_only++; 908 } 909 910 retval = PRS(argc, argv, &ctx); 911 if (retval) { 912 com_err("e2fsck", retval, 913 _("while trying to initialize program")); 914 exit(FSCK_ERROR); 915 } 916 reserve_stdio_fds(); 917 918#ifdef RESOURCE_TRACK 919 init_resource_track(&ctx->global_rtrack); 920#endif 921 922 if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) 923 fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string, 924 my_ver_date); 925 926 if (show_version_only) { 927 fprintf(stderr, _("\tUsing %s, %s\n"), 928 error_message(EXT2_ET_BASE), lib_ver_date); 929 exit(FSCK_OK); 930 } 931 932 check_mount(ctx); 933 934 if (!(ctx->options & E2F_OPT_PREEN) && 935 !(ctx->options & E2F_OPT_NO) && 936 !(ctx->options & E2F_OPT_YES)) { 937 if (!ctx->interactive) 938 fatal_error(ctx, 939 _("need terminal for interactive repairs")); 940 } 941 ctx->superblock = ctx->use_superblock; 942restart: 943#ifdef CONFIG_TESTIO_DEBUG 944 io_ptr = test_io_manager; 945 test_io_backing_manager = unix_io_manager; 946#else 947 io_ptr = unix_io_manager; 948#endif 949 flags = EXT2_FLAG_NOFREE_ON_ERROR; 950 if ((ctx->options & E2F_OPT_READONLY) == 0) 951 flags |= EXT2_FLAG_RW; 952 if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0) 953 flags |= EXT2_FLAG_EXCLUSIVE; 954 955 if (ctx->superblock && ctx->blocksize) { 956 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 957 flags, ctx->superblock, ctx->blocksize, 958 io_ptr, &fs); 959 } else if (ctx->superblock) { 960 int blocksize; 961 for (blocksize = EXT2_MIN_BLOCK_SIZE; 962 blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { 963 retval = ext2fs_open2(ctx->filesystem_name, 964 ctx->io_options, flags, 965 ctx->superblock, blocksize, 966 io_ptr, &fs); 967 if (!retval) 968 break; 969 } 970 } else 971 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 972 flags, 0, 0, io_ptr, &fs); 973 if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && 974 !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && 975 ((retval == EXT2_ET_BAD_MAGIC) || 976 (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || 977 ((retval == 0) && ext2fs_check_desc(fs)))) { 978 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) { 979 ext2fs_free(fs); 980 fs = NULL; 981 } 982 if (!fs || (fs->group_desc_count > 1)) { 983 printf(_("%s: %s trying backup blocks...\n"), 984 ctx->program_name, 985 retval ? _("Superblock invalid,") : 986 _("Group descriptors look bad...")); 987 get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); 988 if (fs) 989 ext2fs_close(fs); 990 orig_retval = retval; 991 goto restart; 992 } 993 } 994 if (((retval == EXT2_ET_UNSUPP_FEATURE) || 995 (retval == EXT2_ET_RO_UNSUPP_FEATURE)) && 996 fs && fs->super) { 997 sb = fs->super; 998 features[0] = (sb->s_feature_compat & 999 ~EXT2_LIB_FEATURE_COMPAT_SUPP); 1000 features[1] = (sb->s_feature_incompat & 1001 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP); 1002 features[2] = (sb->s_feature_ro_compat & 1003 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 1004 if (features[0] || features[1] || features[2]) 1005 goto print_unsupp_features; 1006 } 1007 if (retval) { 1008 if (orig_retval) 1009 retval = orig_retval; 1010 com_err(ctx->program_name, retval, _("while trying to open %s"), 1011 ctx->filesystem_name); 1012 if (retval == EXT2_ET_REV_TOO_HIGH) { 1013 printf(_("The filesystem revision is apparently " 1014 "too high for this version of e2fsck.\n" 1015 "(Or the filesystem superblock " 1016 "is corrupt)\n\n")); 1017 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1018 } else if (retval == EXT2_ET_SHORT_READ) 1019 printf(_("Could this be a zero-length partition?\n")); 1020 else if ((retval == EPERM) || (retval == EACCES)) 1021 printf(_("You must have %s access to the " 1022 "filesystem or be root\n"), 1023 (ctx->options & E2F_OPT_READONLY) ? 1024 "r/o" : "r/w"); 1025 else if (retval == ENXIO) 1026 printf(_("Possibly non-existent or swap device?\n")); 1027 else if (retval == EBUSY) 1028 printf(_("Filesystem mounted or opened exclusively " 1029 "by another program?\n")); 1030#ifdef EROFS 1031 else if (retval == EROFS) 1032 printf(_("Disk write-protected; use the -n option " 1033 "to do a read-only\n" 1034 "check of the device.\n")); 1035#endif 1036 else 1037 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1038 fatal_error(ctx, 0); 1039 } 1040 /* 1041 * We only update the master superblock because (a) paranoia; 1042 * we don't want to corrupt the backup superblocks, and (b) we 1043 * don't need to update the mount count and last checked 1044 * fields in the backup superblock (the kernel doesn't update 1045 * the backup superblocks anyway). With newer versions of the 1046 * library this flag is set by ext2fs_open2(), but we set this 1047 * here just to be sure. (No, we don't support e2fsck running 1048 * with some other libext2fs than the one that it was shipped 1049 * with, but just in case....) 1050 */ 1051 fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; 1052 1053 if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) { 1054 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super); 1055 int need_restart = 0; 1056 1057 pctx.errcode = ext2fs_get_device_size(ctx->filesystem_name, 1058 blocksize, 1059 &ctx->num_blocks); 1060 /* 1061 * The floppy driver refuses to allow anyone else to 1062 * open the device if has been opened with O_EXCL; 1063 * this is unlike other block device drivers in Linux. 1064 * To handle this, we close the filesystem and then 1065 * reopen the filesystem after we get the device size. 1066 */ 1067 if (pctx.errcode == EBUSY) { 1068 ext2fs_close(fs); 1069 need_restart++; 1070 pctx.errcode = 1071 ext2fs_get_device_size(ctx->filesystem_name, 1072 blocksize, 1073 &ctx->num_blocks); 1074 } 1075 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED) 1076 ctx->num_blocks = 0; 1077 else if (pctx.errcode) { 1078 fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); 1079 ctx->flags |= E2F_FLAG_ABORT; 1080 fatal_error(ctx, 0); 1081 } 1082 ctx->flags |= E2F_FLAG_GOT_DEVSIZE; 1083 if (need_restart) 1084 goto restart; 1085 } 1086 1087 ctx->fs = fs; 1088 fs->priv_data = ctx; 1089 fs->now = ctx->now; 1090 sb = fs->super; 1091 if (sb->s_rev_level > E2FSCK_CURRENT_REV) { 1092 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH, 1093 _("while trying to open %s"), 1094 ctx->filesystem_name); 1095 get_newer: 1096 fatal_error(ctx, _("Get a newer version of e2fsck!")); 1097 } 1098 1099 /* 1100 * Set the device name, which is used whenever we print error 1101 * or informational messages to the user. 1102 */ 1103 if (ctx->device_name == 0 && 1104 (sb->s_volume_name[0] != 0)) { 1105 ctx->device_name = string_copy(ctx, sb->s_volume_name, 1106 sizeof(sb->s_volume_name)); 1107 } 1108 if (ctx->device_name == 0) 1109 ctx->device_name = ctx->filesystem_name; 1110 1111 /* 1112 * Make sure the ext3 superblock fields are consistent. 1113 */ 1114 retval = e2fsck_check_ext3_journal(ctx); 1115 if (retval) { 1116 com_err(ctx->program_name, retval, 1117 _("while checking ext3 journal for %s"), 1118 ctx->device_name); 1119 fatal_error(ctx, 0); 1120 } 1121 1122 /* 1123 * Check to see if we need to do ext3-style recovery. If so, 1124 * do it, and then restart the fsck. 1125 */ 1126 if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) { 1127 if (ctx->options & E2F_OPT_READONLY) { 1128 printf(_("Warning: skipping journal recovery " 1129 "because doing a read-only filesystem " 1130 "check.\n")); 1131 io_channel_flush(ctx->fs->io); 1132 } else { 1133 if (ctx->flags & E2F_FLAG_RESTARTED) { 1134 /* 1135 * Whoops, we attempted to run the 1136 * journal twice. This should never 1137 * happen, unless the hardware or 1138 * device driver is being bogus. 1139 */ 1140 com_err(ctx->program_name, 0, 1141 _("unable to set superblock flags on %s\n"), ctx->device_name); 1142 fatal_error(ctx, 0); 1143 } 1144 retval = e2fsck_run_ext3_journal(ctx); 1145 if (retval) { 1146 com_err(ctx->program_name, retval, 1147 _("while recovering ext3 journal of %s"), 1148 ctx->device_name); 1149 fatal_error(ctx, 0); 1150 } 1151 ext2fs_close(ctx->fs); 1152 ctx->fs = 0; 1153 ctx->flags |= E2F_FLAG_RESTARTED; 1154 goto restart; 1155 } 1156 } 1157 1158 /* 1159 * Check for compatibility with the feature sets. We need to 1160 * be more stringent than ext2fs_open(). 1161 */ 1162 features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP; 1163 features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP; 1164 features[2] = (sb->s_feature_ro_compat & 1165 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 1166print_unsupp_features: 1167 if (features[0] || features[1] || features[2]) { 1168 int i, j; 1169 __u32 *mask = features, m; 1170 1171 fprintf(stderr, _("%s has unsupported feature(s):"), 1172 ctx->filesystem_name); 1173 1174 for (i=0; i <3; i++,mask++) { 1175 for (j=0,m=1; j < 32; j++, m<<=1) { 1176 if (*mask & m) 1177 fprintf(stderr, " %s", 1178 e2p_feature2string(i, m)); 1179 } 1180 } 1181 putc('\n', stderr); 1182 goto get_newer; 1183 } 1184#ifdef ENABLE_COMPRESSION 1185 if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION) 1186 com_err(ctx->program_name, 0, 1187 _("Warning: compression support is experimental.\n")); 1188#endif 1189#ifndef ENABLE_HTREE 1190 if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) { 1191 com_err(ctx->program_name, 0, 1192 _("E2fsck not compiled with HTREE support,\n\t" 1193 "but filesystem %s has HTREE directories.\n"), 1194 ctx->device_name); 1195 goto get_newer; 1196 } 1197#endif 1198 1199 /* 1200 * If the user specified a specific superblock, presumably the 1201 * master superblock has been trashed. So we mark the 1202 * superblock as dirty, so it can be written out. 1203 */ 1204 if (ctx->superblock && 1205 !(ctx->options & E2F_OPT_READONLY)) 1206 ext2fs_mark_super_dirty(fs); 1207 1208 /* 1209 * Calculate the number of filesystem blocks per pagesize. If 1210 * fs->blocksize > page_size, set the number of blocks per 1211 * pagesize to 1 to avoid division by zero errors. 1212 */ 1213#ifdef _SC_PAGESIZE 1214 sysval = sysconf(_SC_PAGESIZE); 1215 if (sysval > 0) 1216 sys_page_size = sysval; 1217#endif /* _SC_PAGESIZE */ 1218 ctx->blocks_per_page = sys_page_size / fs->blocksize; 1219 if (ctx->blocks_per_page == 0) 1220 ctx->blocks_per_page = 1; 1221 1222 ehandler_init(fs->io); 1223 1224 if (ctx->superblock) 1225 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); 1226 ext2fs_mark_valid(fs); 1227 check_super_block(ctx); 1228 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1229 fatal_error(ctx, 0); 1230 check_if_skip(ctx); 1231 if (bad_blocks_file) 1232 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks); 1233 else if (cflag) 1234 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */ 1235 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1236 fatal_error(ctx, 0); 1237#ifdef ENABLE_SWAPFS 1238 if (normalize_swapfs) { 1239 if ((fs->flags & EXT2_FLAG_SWAP_BYTES) == 1240 ext2fs_native_flag()) { 1241 fprintf(stderr, _("%s: Filesystem byte order " 1242 "already normalized.\n"), ctx->device_name); 1243 fatal_error(ctx, 0); 1244 } 1245 } 1246 if (swapfs) { 1247 swap_filesys(ctx); 1248 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1249 fatal_error(ctx, 0); 1250 } 1251#endif 1252 1253 /* 1254 * Mark the system as valid, 'til proven otherwise 1255 */ 1256 ext2fs_mark_valid(fs); 1257 1258 retval = ext2fs_read_bb_inode(fs, &fs->badblocks); 1259 if (retval) { 1260 com_err(ctx->program_name, retval, 1261 _("while reading bad blocks inode")); 1262 preenhalt(ctx); 1263 printf(_("This doesn't bode well," 1264 " but we'll try to go on...\n")); 1265 } 1266 1267 /* 1268 * Save the journal size in megabytes. 1269 * Try and use the journal size from the backup else let e2fsck 1270 * find the default journal size. 1271 */ 1272 if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) 1273 journal_size = sb->s_jnl_blocks[16] >> 20; 1274 else 1275 journal_size = -1; 1276 1277 run_result = e2fsck_run(ctx); 1278 e2fsck_clear_progbar(ctx); 1279 1280 if (ctx->flags & E2F_FLAG_JOURNAL_INODE) { 1281 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) { 1282 if (journal_size < 1024) 1283 journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count); 1284 if (journal_size < 0) { 1285 fs->super->s_feature_compat &= 1286 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1287 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1288 com_err(ctx->program_name, 0, 1289 _("Couldn't determine journal size")); 1290 goto no_journal; 1291 } 1292 printf(_("Creating journal (%d blocks): "), 1293 journal_size); 1294 fflush(stdout); 1295 retval = ext2fs_add_journal_inode(fs, 1296 journal_size, 0); 1297 if (retval) { 1298 com_err("Error ", retval, 1299 _("\n\twhile trying to create journal")); 1300 goto no_journal; 1301 } 1302 printf(_(" Done.\n")); 1303 printf(_("\n*** journal has been re-created - " 1304 "filesystem is now ext3 again ***\n")); 1305 } 1306 } 1307no_journal: 1308 1309 if (run_result == E2F_FLAG_RESTART) { 1310 printf(_("Restarting e2fsck from the beginning...\n")); 1311 retval = e2fsck_reset_context(ctx); 1312 if (retval) { 1313 com_err(ctx->program_name, retval, 1314 _("while resetting context")); 1315 fatal_error(ctx, 0); 1316 } 1317 ext2fs_close(fs); 1318 goto restart; 1319 } 1320 if (run_result & E2F_FLAG_CANCEL) { 1321 printf(_("%s: e2fsck canceled.\n"), ctx->device_name ? 1322 ctx->device_name : ctx->filesystem_name); 1323 exit_value |= FSCK_CANCELED; 1324 } 1325 if (run_result & E2F_FLAG_ABORT) 1326 fatal_error(ctx, _("aborted")); 1327 if (check_backup_super_block(ctx)) { 1328 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1329 ext2fs_mark_super_dirty(fs); 1330 } 1331 1332#ifdef MTRACE 1333 mtrace_print("Cleanup"); 1334#endif 1335 if (ext2fs_test_changed(fs)) { 1336 exit_value |= FSCK_NONDESTRUCT; 1337 if (!(ctx->options & E2F_OPT_PREEN)) 1338 printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"), 1339 ctx->device_name); 1340 if (ctx->mount_flags & EXT2_MF_ISROOT) { 1341 printf(_("%s: ***** REBOOT LINUX *****\n"), 1342 ctx->device_name); 1343 exit_value |= FSCK_REBOOT; 1344 } 1345 } 1346 if (!ext2fs_test_valid(fs) || 1347 ((exit_value & FSCK_CANCELED) && 1348 (sb->s_state & EXT2_ERROR_FS))) { 1349 printf(_("\n%s: ********** WARNING: Filesystem still has " 1350 "errors **********\n\n"), ctx->device_name); 1351 exit_value |= FSCK_UNCORRECTED; 1352 exit_value &= ~FSCK_NONDESTRUCT; 1353 } 1354 if (exit_value & FSCK_CANCELED) { 1355 int allow_cancellation; 1356 1357 profile_get_boolean(ctx->profile, "options", 1358 "allow_cancellation", 0, 0, 1359 &allow_cancellation); 1360 exit_value &= ~FSCK_NONDESTRUCT; 1361 if (allow_cancellation && ext2fs_test_valid(fs) && 1362 (sb->s_state & EXT2_VALID_FS) && 1363 !(sb->s_state & EXT2_ERROR_FS)) 1364 exit_value = 0; 1365 } else { 1366 show_stats(ctx); 1367 if (!(ctx->options & E2F_OPT_READONLY)) { 1368 if (ext2fs_test_valid(fs)) { 1369 if (!(sb->s_state & EXT2_VALID_FS)) 1370 exit_value |= FSCK_NONDESTRUCT; 1371 sb->s_state = EXT2_VALID_FS; 1372 } else 1373 sb->s_state &= ~EXT2_VALID_FS; 1374 sb->s_mnt_count = 0; 1375 sb->s_lastcheck = ctx->now; 1376 ext2fs_mark_super_dirty(fs); 1377 } 1378 } 1379 1380 e2fsck_write_bitmaps(ctx); 1381 1382 ext2fs_close(fs); 1383 ctx->fs = NULL; 1384 free(ctx->filesystem_name); 1385 free(ctx->journal_name); 1386 1387#ifdef RESOURCE_TRACK 1388 if (ctx->options & E2F_OPT_TIME) 1389 print_resource_track(NULL, &ctx->global_rtrack); 1390#endif 1391 e2fsck_free_context(ctx); 1392 remove_error_table(&et_ext2_error_table); 1393 remove_error_table(&et_prof_error_table); 1394 return exit_value; 1395} 1396