unix.c revision 2acad6b4895a0e218f9d9eece1ade23c2cf4ffc7
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 "e2p/e2p.h" 51#include "e2fsck.h" 52#include "problem.h" 53#include "../version.h" 54 55/* Command line options */ 56static int cflag; /* check disk */ 57static int show_version_only; 58static int verbose; 59 60static int replace_bad_blocks; 61static int keep_bad_blocks; 62static char *bad_blocks_file; 63 64e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ 65 66#ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jfs-debug */ 67int journal_enable_debug = -1; 68#endif 69 70static void usage(e2fsck_t ctx) 71{ 72 fprintf(stderr, 73 _("Usage: %s [-panyrcdfvtDFV] [-b superblock] [-B blocksize]\n" 74 "\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n" 75 "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n" 76 "\t\t[-E extended-options] device\n"), 77 ctx->program_name); 78 79 fprintf(stderr, _("\nEmergency help:\n" 80 " -p Automatic repair (no questions)\n" 81 " -n Make no changes to the filesystem\n" 82 " -y Assume \"yes\" to all questions\n" 83 " -c Check for bad blocks and add them to the badblock list\n" 84 " -f Force checking even if filesystem is marked clean\n")); 85 fprintf(stderr, _("" 86 " -v Be verbose\n" 87 " -b superblock Use alternative superblock\n" 88 " -B blocksize Force blocksize when looking for superblock\n" 89 " -j external_journal Set location of the external journal\n" 90 " -l bad_blocks_file Add to badblocks list\n" 91 " -L bad_blocks_file Set badblocks list\n" 92 )); 93 94 exit(FSCK_USAGE); 95} 96 97static void show_stats(e2fsck_t ctx) 98{ 99 ext2_filsys fs = ctx->fs; 100 ext2_ino_t inodes, inodes_used; 101 blk_t blocks, blocks_used; 102 int dir_links; 103 int num_files, num_links; 104 int frag_percent; 105 106 dir_links = 2 * ctx->fs_directory_count - 1; 107 num_files = ctx->fs_total_count - dir_links; 108 num_links = ctx->fs_links_count - dir_links; 109 inodes = fs->super->s_inodes_count; 110 inodes_used = (fs->super->s_inodes_count - 111 fs->super->s_free_inodes_count); 112 blocks = fs->super->s_blocks_count; 113 blocks_used = (fs->super->s_blocks_count - 114 fs->super->s_free_blocks_count); 115 116 frag_percent = (10000 * ctx->fs_fragmented) / inodes_used; 117 frag_percent = (frag_percent + 5) / 10; 118 119 if (!verbose) { 120 printf(_("%s: %u/%u files (%0d.%d%% non-contiguous), %u/%u blocks\n"), 121 ctx->device_name, inodes_used, inodes, 122 frag_percent / 10, frag_percent % 10, 123 blocks_used, blocks); 124 return; 125 } 126 printf (P_("\n%8u inode used (%2.2f%%)\n", "\n%8u inodes used (%2.2f%%)\n", 127 inodes_used), inodes_used, 100.0 * inodes_used / inodes); 128 printf (P_("%8u non-contiguous inode (%0d.%d%%)\n", 129 "%8u non-contiguous inodes (%0d.%d%%)\n", 130 ctx->fs_fragmented), 131 ctx->fs_fragmented, frag_percent / 10, frag_percent % 10); 132 printf (_(" # of inodes with ind/dind/tind blocks: %u/%u/%u\n"), 133 ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count); 134 printf (P_("%8u block used (%2.2f%%)\n", "%8u blocks used (%2.2f%%)\n", 135 blocks_used), blocks_used, 100.0 * blocks_used / blocks); 136 printf (P_("%8u bad block\n", "%8u bad blocks\n", 137 ctx->fs_badblocks_count), ctx->fs_badblocks_count); 138 printf (P_("%8u large file\n", "%8u large files\n", 139 ctx->large_files), ctx->large_files); 140 printf (P_("\n%8u regular file\n", "\n%8u regular files\n", 141 ctx->fs_regular_count), ctx->fs_regular_count); 142 printf (P_("%8u directory\n", "%8u directories\n", 143 ctx->fs_directory_count), ctx->fs_directory_count); 144 printf (P_("%8u character device file\n", 145 "%8u character device files\n", ctx->fs_chardev_count), 146 ctx->fs_chardev_count); 147 printf (P_("%8u block device file\n", "%8u block device files\n", 148 ctx->fs_blockdev_count), ctx->fs_blockdev_count); 149 printf (P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_count), 150 ctx->fs_fifo_count); 151 printf (P_("%8u link\n", "%8u links\n", 152 ctx->fs_links_count - dir_links), 153 ctx->fs_links_count - dir_links); 154 printf (P_("%8u symbolic link", "%8u symbolic links", 155 ctx->fs_symlinks_count), ctx->fs_symlinks_count); 156 printf (P_(" (%u fast symbolic link)\n", " (%u fast symbolic links)\n", 157 ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count); 158 printf (P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count), 159 ctx->fs_sockets_count); 160 printf ("--------\n"); 161 printf (P_("%8u file\n", "%8u files\n", 162 ctx->fs_total_count - dir_links), 163 ctx->fs_total_count - dir_links); 164} 165 166static void check_mount(e2fsck_t ctx) 167{ 168 errcode_t retval; 169 int cont; 170 171 retval = ext2fs_check_if_mounted(ctx->filesystem_name, 172 &ctx->mount_flags); 173 if (retval) { 174 com_err("ext2fs_check_if_mount", retval, 175 _("while determining whether %s is mounted."), 176 ctx->filesystem_name); 177 return; 178 } 179 180 /* 181 * If the filesystem isn't mounted, or it's the root 182 * filesystem and it's mounted read-only, and we're not doing 183 * a read/write check, then everything's fine. 184 */ 185 if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) || 186 ((ctx->mount_flags & EXT2_MF_ISROOT) && 187 (ctx->mount_flags & EXT2_MF_READONLY) && 188 !(ctx->options & E2F_OPT_WRITECHECK))) 189 return; 190 191 if ((ctx->options & E2F_OPT_READONLY) && 192 !(ctx->options & E2F_OPT_WRITECHECK)) { 193 printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name); 194 return; 195 } 196 197 printf(_("%s is mounted. "), ctx->filesystem_name); 198 if (!ctx->interactive) 199 fatal_error(ctx, _("Cannot continue, aborting.\n\n")); 200 printf(_("\n\n\007\007\007\007WARNING!!! " 201 "Running e2fsck on a mounted filesystem may cause\n" 202 "SEVERE filesystem damage.\007\007\007\n\n")); 203 cont = ask_yn(_("Do you really want to continue"), -1); 204 if (!cont) { 205 printf (_("check aborted.\n")); 206 exit (0); 207 } 208 return; 209} 210 211static int is_on_batt(void) 212{ 213 FILE *f; 214 DIR *d; 215 char tmp[80], tmp2[80], fname[80]; 216 unsigned int acflag; 217 struct dirent* de; 218 219 f = fopen("/proc/apm", "r"); 220 if (f) { 221 if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) 222 acflag = 1; 223 fclose(f); 224 return (acflag != 1); 225 } 226 d = opendir("/proc/acpi/ac_adapter"); 227 if (d) { 228 while ((de=readdir(d)) != NULL) { 229 if (!strncmp(".", de->d_name, 1)) 230 continue; 231 snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state", 232 de->d_name); 233 f = fopen(fname, "r"); 234 if (!f) 235 continue; 236 if (fscanf(f, "%s %s", tmp2, tmp) != 2) 237 tmp[0] = 0; 238 fclose(f); 239 if (strncmp(tmp, "off-line", 8) == 0) { 240 closedir(d); 241 return 1; 242 } 243 } 244 closedir(d); 245 } 246 return 0; 247} 248 249/* 250 * This routine checks to see if a filesystem can be skipped; if so, 251 * it will exit with E2FSCK_OK. Under some conditions it will print a 252 * message explaining why a check is being forced. 253 */ 254static void check_if_skip(e2fsck_t ctx) 255{ 256 ext2_filsys fs = ctx->fs; 257 const char *reason = NULL; 258 unsigned int reason_arg = 0; 259 long next_check; 260 int batt = is_on_batt(); 261 int defer_check_on_battery; 262 time_t lastcheck; 263 264 profile_get_boolean(ctx->profile, "options", 265 "defer_check_on_battery", 0, 1, 266 &defer_check_on_battery); 267 if (!defer_check_on_battery) 268 batt = 0; 269 270 if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag) 271 return; 272 273 lastcheck = fs->super->s_lastcheck; 274 if (lastcheck > ctx->now) 275 lastcheck -= ctx->time_fudge; 276 if ((fs->super->s_state & EXT2_ERROR_FS) || 277 !ext2fs_test_valid(fs)) 278 reason = _(" contains a file system with errors"); 279 else if ((fs->super->s_state & EXT2_VALID_FS) == 0) 280 reason = _(" was not cleanly unmounted"); 281 else if (check_backup_super_block(ctx)) 282 reason = _(" primary superblock features different from backup"); 283 else if ((fs->super->s_max_mnt_count > 0) && 284 (fs->super->s_mnt_count >= 285 (unsigned) fs->super->s_max_mnt_count)) { 286 reason = _(" has been mounted %u times without being checked"); 287 reason_arg = fs->super->s_mnt_count; 288 if (batt && (fs->super->s_mnt_count < 289 (unsigned) fs->super->s_max_mnt_count*2)) 290 reason = 0; 291 } else if (fs->super->s_checkinterval && 292 ((ctx->now - lastcheck) >= 293 ((time_t) fs->super->s_checkinterval))) { 294 reason = _(" has gone %u days without being checked"); 295 reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24); 296 if (batt && ((ctx->now - fs->super->s_lastcheck) < 297 fs->super->s_checkinterval*2)) 298 reason = 0; 299 } 300 if (reason) { 301 fputs(ctx->device_name, stdout); 302 printf(reason, reason_arg); 303 fputs(_(", check forced.\n"), stdout); 304 return; 305 } 306 printf(_("%s: clean, %u/%u files, %u/%u blocks"), ctx->device_name, 307 fs->super->s_inodes_count - fs->super->s_free_inodes_count, 308 fs->super->s_inodes_count, 309 fs->super->s_blocks_count - fs->super->s_free_blocks_count, 310 fs->super->s_blocks_count); 311 next_check = 100000; 312 if (fs->super->s_max_mnt_count > 0) { 313 next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count; 314 if (next_check <= 0) 315 next_check = 1; 316 } 317 if (fs->super->s_checkinterval && 318 ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval)) 319 next_check = 1; 320 if (next_check <= 5) { 321 if (next_check == 1) { 322 if (batt) 323 fputs(_(" (check deferred; on battery)"), 324 stdout); 325 else 326 fputs(_(" (check after next mount)"), stdout); 327 } else 328 printf(_(" (check in %ld mounts)"), next_check); 329 } 330 fputc('\n', stdout); 331 ext2fs_close(fs); 332 ctx->fs = NULL; 333 e2fsck_free_context(ctx); 334 exit(FSCK_OK); 335} 336 337/* 338 * For completion notice 339 */ 340struct percent_tbl { 341 int max_pass; 342 int table[32]; 343}; 344struct percent_tbl e2fsck_tbl = { 345 5, { 0, 70, 90, 92, 95, 100 } 346}; 347static char bar[128], spaces[128]; 348 349static float calc_percent(struct percent_tbl *tbl, int pass, int curr, 350 int max) 351{ 352 float percent; 353 354 if (pass <= 0) 355 return 0.0; 356 if (pass > tbl->max_pass || max == 0) 357 return 100.0; 358 percent = ((float) curr) / ((float) max); 359 return ((percent * (tbl->table[pass] - tbl->table[pass-1])) 360 + tbl->table[pass-1]); 361} 362 363extern void e2fsck_clear_progbar(e2fsck_t ctx) 364{ 365 if (!(ctx->flags & E2F_FLAG_PROG_BAR)) 366 return; 367 368 printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80), 369 ctx->stop_meta); 370 fflush(stdout); 371 ctx->flags &= ~E2F_FLAG_PROG_BAR; 372} 373 374int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, 375 unsigned int dpynum) 376{ 377 static const char spinner[] = "\\|/-"; 378 int i; 379 unsigned int tick; 380 struct timeval tv; 381 int dpywidth; 382 int fixed_percent; 383 384 if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) 385 return 0; 386 387 /* 388 * Calculate the new progress position. If the 389 * percentage hasn't changed, then we skip out right 390 * away. 391 */ 392 fixed_percent = (int) ((10 * percent) + 0.5); 393 if (ctx->progress_last_percent == fixed_percent) 394 return 0; 395 ctx->progress_last_percent = fixed_percent; 396 397 /* 398 * If we've already updated the spinner once within 399 * the last 1/8th of a second, no point doing it 400 * again. 401 */ 402 gettimeofday(&tv, NULL); 403 tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); 404 if ((tick == ctx->progress_last_time) && 405 (fixed_percent != 0) && (fixed_percent != 1000)) 406 return 0; 407 ctx->progress_last_time = tick; 408 409 /* 410 * Advance the spinner, and note that the progress bar 411 * will be on the screen 412 */ 413 ctx->progress_pos = (ctx->progress_pos+1) & 3; 414 ctx->flags |= E2F_FLAG_PROG_BAR; 415 416 dpywidth = 66 - strlen(label); 417 dpywidth = 8 * (dpywidth / 8); 418 if (dpynum) 419 dpywidth -= 8; 420 421 i = ((percent * dpywidth) + 50) / 100; 422 printf("%s%s: |%s%s", ctx->start_meta, label, 423 bar + (sizeof(bar) - (i+1)), 424 spaces + (sizeof(spaces) - (dpywidth - i + 1))); 425 if (fixed_percent == 1000) 426 fputc('|', stdout); 427 else 428 fputc(spinner[ctx->progress_pos & 3], stdout); 429 printf(" %4.1f%% ", percent); 430 if (dpynum) 431 printf("%u\r", dpynum); 432 else 433 fputs(" \r", stdout); 434 fputs(ctx->stop_meta, stdout); 435 436 if (fixed_percent == 1000) 437 e2fsck_clear_progbar(ctx); 438 fflush(stdout); 439 440 return 0; 441} 442 443static int e2fsck_update_progress(e2fsck_t ctx, int pass, 444 unsigned long cur, unsigned long max) 445{ 446 char buf[1024]; 447 float percent; 448 449 if (pass == 0) 450 return 0; 451 452 if (ctx->progress_fd) { 453 snprintf(buf, sizeof(buf), "%d %lu %lu %s\n", 454 pass, cur, max, ctx->device_name); 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} 494 495static void signal_progress_off(int sig EXT2FS_ATTR((unused))) 496{ 497 e2fsck_t ctx = e2fsck_global_ctx; 498 499 if (!ctx) 500 return; 501 502 e2fsck_clear_progbar(ctx); 503 ctx->progress = 0; 504} 505 506static void signal_cancel(int sig EXT2FS_ATTR((unused))) 507{ 508 e2fsck_t ctx = e2fsck_global_ctx; 509 510 if (!ctx) 511 exit(FSCK_CANCELED); 512 513 ctx->flags |= E2F_FLAG_CANCEL; 514} 515#endif 516 517static void parse_extended_opts(e2fsck_t ctx, const char *opts) 518{ 519 char *buf, *token, *next, *p, *arg; 520 int ea_ver; 521 int extended_usage = 0; 522 523 buf = string_copy(ctx, opts, 0); 524 for (token = buf; token && *token; token = next) { 525 p = strchr(token, ','); 526 next = 0; 527 if (p) { 528 *p = 0; 529 next = p+1; 530 } 531 arg = strchr(token, '='); 532 if (arg) { 533 *arg = 0; 534 arg++; 535 } 536 if (strcmp(token, "ea_ver") == 0) { 537 if (!arg) { 538 extended_usage++; 539 continue; 540 } 541 ea_ver = strtoul(arg, &p, 0); 542 if (*p || 543 ((ea_ver != 1) && (ea_ver != 2))) { 544 fprintf(stderr, 545 _("Invalid EA version.\n")); 546 extended_usage++; 547 continue; 548 } 549 ctx->ext_attr_ver = ea_ver; 550 } else { 551 fprintf(stderr, _("Unknown extended option: %s\n"), 552 token); 553 extended_usage++; 554 } 555 } 556 free(buf); 557 558 if (extended_usage) { 559 fputs(("\nExtended options are separated by commas, " 560 "and may take an argument which\n" 561 "is set off by an equals ('=') sign. " 562 "Valid extended options are:\n" 563 "\tea_ver=<ea_version (1 or 2)>\n\n"), stderr); 564 exit(1); 565 } 566} 567 568static void syntax_err_report(const char *filename, long err, int line_num) 569{ 570 fprintf(stderr, 571 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"), 572 filename, line_num, error_message(err)); 573 exit(FSCK_ERROR); 574} 575 576static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 }; 577 578static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx) 579{ 580 int flush = 0; 581 int c, fd; 582#ifdef MTRACE 583 extern void *mallwatch; 584#endif 585 e2fsck_t ctx; 586 errcode_t retval; 587#ifdef HAVE_SIGNAL_H 588 struct sigaction sa; 589#endif 590 char *extended_opts = 0; 591 char *cp; 592 int res; /* result of sscanf */ 593#ifdef CONFIG_JBD_DEBUG 594 char *jbd_debug; 595#endif 596 597 retval = e2fsck_allocate_context(&ctx); 598 if (retval) 599 return retval; 600 601 *ret_ctx = ctx; 602 603 setvbuf(stdout, NULL, _IONBF, BUFSIZ); 604 setvbuf(stderr, NULL, _IONBF, BUFSIZ); 605 if (isatty(0) && isatty(1)) { 606 ctx->interactive = 1; 607 } else { 608 ctx->start_meta[0] = '\001'; 609 ctx->stop_meta[0] = '\002'; 610 } 611 memset(bar, '=', sizeof(bar)-1); 612 memset(spaces, ' ', sizeof(spaces)-1); 613 add_error_table(&et_ext2_error_table); 614 add_error_table(&et_prof_error_table); 615 blkid_get_cache(&ctx->blkid, NULL); 616 617 if (argc && *argv) 618 ctx->program_name = *argv; 619 else 620 ctx->program_name = "e2fsck"; 621 while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF) 622 switch (c) { 623 case 'C': 624 ctx->progress = e2fsck_update_progress; 625 res = sscanf(optarg, "%d", &ctx->progress_fd); 626 if (res != 1) 627 goto sscanf_err; 628 629 if (ctx->progress_fd < 0) { 630 ctx->progress = 0; 631 ctx->progress_fd = ctx->progress_fd * -1; 632 } 633 if (!ctx->progress_fd) 634 break; 635 /* Validate the file descriptor to avoid disasters */ 636 fd = dup(ctx->progress_fd); 637 if (fd < 0) { 638 fprintf(stderr, 639 _("Error validating file descriptor %d: %s\n"), 640 ctx->progress_fd, 641 error_message(errno)); 642 fatal_error(ctx, 643 _("Invalid completion information file descriptor")); 644 } else 645 close(fd); 646 break; 647 case 'D': 648 ctx->options |= E2F_OPT_COMPRESS_DIRS; 649 break; 650 case 'E': 651 extended_opts = optarg; 652 break; 653 case 'p': 654 case 'a': 655 if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) { 656 conflict_opt: 657 fatal_error(ctx, 658 _("Only one of the options -p/-a, -n or -y may be specified.")); 659 } 660 ctx->options |= E2F_OPT_PREEN; 661 break; 662 case 'n': 663 if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN)) 664 goto conflict_opt; 665 ctx->options |= E2F_OPT_NO; 666 break; 667 case 'y': 668 if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO)) 669 goto conflict_opt; 670 ctx->options |= E2F_OPT_YES; 671 break; 672 case 't': 673#ifdef RESOURCE_TRACK 674 if (ctx->options & E2F_OPT_TIME) 675 ctx->options |= E2F_OPT_TIME2; 676 else 677 ctx->options |= E2F_OPT_TIME; 678#else 679 fprintf(stderr, _("The -t option is not " 680 "supported on this version of e2fsck.\n")); 681#endif 682 break; 683 case 'c': 684 if (cflag++) 685 ctx->options |= E2F_OPT_WRITECHECK; 686 ctx->options |= E2F_OPT_CHECKBLOCKS; 687 break; 688 case 'r': 689 /* What we do by default, anyway! */ 690 break; 691 case 'b': 692 res = sscanf(optarg, "%u", &ctx->use_superblock); 693 if (res != 1) 694 goto sscanf_err; 695 ctx->flags |= E2F_FLAG_SB_SPECIFIED; 696 break; 697 case 'B': 698 ctx->blocksize = atoi(optarg); 699 break; 700 case 'I': 701 res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks); 702 if (res != 1) 703 goto sscanf_err; 704 break; 705 case 'j': 706 ctx->journal_name = string_copy(ctx, optarg, 0); 707 break; 708 case 'P': 709 res = sscanf(optarg, "%d", &ctx->process_inode_size); 710 if (res != 1) 711 goto sscanf_err; 712 break; 713 case 'L': 714 replace_bad_blocks++; 715 case 'l': 716 bad_blocks_file = string_copy(ctx, optarg, 0); 717 break; 718 case 'd': 719 ctx->options |= E2F_OPT_DEBUG; 720 break; 721 case 'f': 722 ctx->options |= E2F_OPT_FORCE; 723 break; 724 case 'F': 725 flush = 1; 726 break; 727 case 'v': 728 verbose = 1; 729 break; 730 case 'V': 731 show_version_only = 1; 732 break; 733#ifdef MTRACE 734 case 'M': 735 mallwatch = (void *) strtol(optarg, NULL, 0); 736 break; 737#endif 738 case 'N': 739 ctx->device_name = string_copy(ctx, optarg, 0); 740 break; 741 case 'k': 742 keep_bad_blocks++; 743 break; 744 default: 745 usage(ctx); 746 } 747 if (show_version_only) 748 return 0; 749 if (optind != argc - 1) 750 usage(ctx); 751 if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file && 752 !cflag && !(ctx->options & E2F_OPT_COMPRESS_DIRS)) 753 ctx->options |= E2F_OPT_READONLY; 754 755 ctx->io_options = strchr(argv[optind], '?'); 756 if (ctx->io_options) 757 *ctx->io_options++ = 0; 758 ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0); 759 if (!ctx->filesystem_name) { 760 com_err(ctx->program_name, 0, _("Unable to resolve '%s'"), 761 argv[optind]); 762 fatal_error(ctx, 0); 763 } 764 ctx->filesystem_name = string_copy(ctx, ctx->filesystem_name, 0); 765 if (extended_opts) 766 parse_extended_opts(ctx, extended_opts); 767 768 if ((cp = getenv("E2FSCK_CONFIG")) != NULL) 769 config_fn[0] = cp; 770 profile_set_syntax_err_cb(syntax_err_report); 771 profile_init(config_fn, &ctx->profile); 772 773 if (flush) { 774 fd = open(ctx->filesystem_name, O_RDONLY, 0); 775 if (fd < 0) { 776 com_err("open", errno, 777 _("while opening %s for flushing"), 778 ctx->filesystem_name); 779 fatal_error(ctx, 0); 780 } 781 if ((retval = ext2fs_sync_device(fd, 1))) { 782 com_err("ext2fs_sync_device", retval, 783 _("while trying to flush %s"), 784 ctx->filesystem_name); 785 fatal_error(ctx, 0); 786 } 787 close(fd); 788 } 789 if (cflag && bad_blocks_file) { 790 fprintf(stderr, _("The -c and the -l/-L options may " 791 "not be both used at the same time.\n")); 792 exit(FSCK_USAGE); 793 } 794#ifdef HAVE_SIGNAL_H 795 /* 796 * Set up signal action 797 */ 798 memset(&sa, 0, sizeof(struct sigaction)); 799 sa.sa_handler = signal_cancel; 800 sigaction(SIGINT, &sa, 0); 801 sigaction(SIGTERM, &sa, 0); 802#ifdef SA_RESTART 803 sa.sa_flags = SA_RESTART; 804#endif 805 e2fsck_global_ctx = ctx; 806 sa.sa_handler = signal_progress_on; 807 sigaction(SIGUSR1, &sa, 0); 808 sa.sa_handler = signal_progress_off; 809 sigaction(SIGUSR2, &sa, 0); 810#endif 811 812 /* Update our PATH to include /sbin if we need to run badblocks */ 813 if (cflag) { 814 char *oldpath = getenv("PATH"); 815 char *newpath; 816 int len = sizeof(PATH_SET) + 1; 817 818 if (oldpath) 819 len += strlen(oldpath); 820 821 newpath = malloc(len); 822 if (!newpath) 823 fatal_error(ctx, "Couldn't malloc() newpath"); 824 strcpy(newpath, PATH_SET); 825 826 if (oldpath) { 827 strcat(newpath, ":"); 828 strcat(newpath, oldpath); 829 } 830 putenv(newpath); 831 } 832#ifdef CONFIG_JBD_DEBUG 833 jbd_debug = getenv("E2FSCK_JBD_DEBUG"); 834 if (jbd_debug) { 835 res = sscanf(jbd_debug, "%d", &journal_enable_debug); 836 if (res != 1) { 837 fprintf(stderr, 838 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"), 839 jbd_debug); 840 exit (1); 841 } 842 } 843#endif 844 return 0; 845 846sscanf_err: 847 fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"), 848 c, optarg); 849 exit (1); 850} 851 852static const char *my_ver_string = E2FSPROGS_VERSION; 853static const char *my_ver_date = E2FSPROGS_DATE; 854 855int main (int argc, char *argv[]) 856{ 857 errcode_t retval = 0, orig_retval = 0; 858 int exit_value = FSCK_OK; 859 ext2_filsys fs = 0; 860 io_manager io_ptr; 861 struct ext2_super_block *sb; 862 const char *lib_ver_date; 863 int my_ver, lib_ver; 864 e2fsck_t ctx; 865 struct problem_context pctx; 866 int flags, run_result; 867 int journal_size; 868 int sysval, sys_page_size = 4096; 869 __u32 features[3]; 870 char *cp; 871 872 clear_problem_context(&pctx); 873#ifdef MTRACE 874 mtrace(); 875#endif 876#ifdef MCHECK 877 mcheck(0); 878#endif 879#ifdef ENABLE_NLS 880 setlocale(LC_MESSAGES, ""); 881 setlocale(LC_CTYPE, ""); 882 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 883 textdomain(NLS_CAT_NAME); 884#endif 885 my_ver = ext2fs_parse_version_string(my_ver_string); 886 lib_ver = ext2fs_get_library_version(0, &lib_ver_date); 887 if (my_ver > lib_ver) { 888 fprintf( stderr, _("Error: ext2fs library version " 889 "out of date!\n")); 890 show_version_only++; 891 } 892 893 retval = PRS(argc, argv, &ctx); 894 if (retval) { 895 com_err("e2fsck", retval, 896 _("while trying to initialize program")); 897 exit(FSCK_ERROR); 898 } 899 reserve_stdio_fds(); 900 901#ifdef RESOURCE_TRACK 902 init_resource_track(&ctx->global_rtrack, NULL); 903#endif 904 905 if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) 906 fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string, 907 my_ver_date); 908 909 if (show_version_only) { 910 fprintf(stderr, _("\tUsing %s, %s\n"), 911 error_message(EXT2_ET_BASE), lib_ver_date); 912 exit(FSCK_OK); 913 } 914 915 check_mount(ctx); 916 917 if (!(ctx->options & E2F_OPT_PREEN) && 918 !(ctx->options & E2F_OPT_NO) && 919 !(ctx->options & E2F_OPT_YES)) { 920 if (!ctx->interactive) 921 fatal_error(ctx, 922 _("need terminal for interactive repairs")); 923 } 924 ctx->superblock = ctx->use_superblock; 925restart: 926#ifdef CONFIG_TESTIO_DEBUG 927 io_ptr = test_io_manager; 928 test_io_backing_manager = unix_io_manager; 929#else 930 io_ptr = unix_io_manager; 931#endif 932 flags = EXT2_FLAG_NOFREE_ON_ERROR; 933 if ((ctx->options & E2F_OPT_READONLY) == 0) 934 flags |= EXT2_FLAG_RW; 935 if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0) 936 flags |= EXT2_FLAG_EXCLUSIVE; 937 938 if (ctx->superblock && ctx->blocksize) { 939 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 940 flags, ctx->superblock, ctx->blocksize, 941 io_ptr, &fs); 942 } else if (ctx->superblock) { 943 int blocksize; 944 for (blocksize = EXT2_MIN_BLOCK_SIZE; 945 blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { 946 retval = ext2fs_open2(ctx->filesystem_name, 947 ctx->io_options, flags, 948 ctx->superblock, blocksize, 949 io_ptr, &fs); 950 if (!retval) 951 break; 952 } 953 } else 954 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, 955 flags, 0, 0, io_ptr, &fs); 956 if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && 957 !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && 958 ((retval == EXT2_ET_BAD_MAGIC) || 959 (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || 960 ((retval == 0) && ext2fs_check_desc(fs)))) { 961 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) { 962 ext2fs_free(fs); 963 fs = NULL; 964 } 965 if (!fs || (fs->group_desc_count > 1)) { 966 printf(_("%s: %s trying backup blocks...\n"), 967 ctx->program_name, 968 retval ? _("Superblock invalid,") : 969 _("Group descriptors look bad...")); 970 get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); 971 if (fs) 972 ext2fs_close(fs); 973 orig_retval = retval; 974 goto restart; 975 } 976 } 977 if (((retval == EXT2_ET_UNSUPP_FEATURE) || 978 (retval == EXT2_ET_RO_UNSUPP_FEATURE)) && 979 fs && fs->super) { 980 sb = fs->super; 981 features[0] = (sb->s_feature_compat & 982 ~EXT2_LIB_FEATURE_COMPAT_SUPP); 983 features[1] = (sb->s_feature_incompat & 984 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP); 985 features[2] = (sb->s_feature_ro_compat & 986 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 987 if (features[0] || features[1] || features[2]) 988 goto print_unsupp_features; 989 } 990 if (retval) { 991 if (orig_retval) 992 retval = orig_retval; 993 com_err(ctx->program_name, retval, _("while trying to open %s"), 994 ctx->filesystem_name); 995 if (retval == EXT2_ET_REV_TOO_HIGH) { 996 printf(_("The filesystem revision is apparently " 997 "too high for this version of e2fsck.\n" 998 "(Or the filesystem superblock " 999 "is corrupt)\n\n")); 1000 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1001 } else if (retval == EXT2_ET_SHORT_READ) 1002 printf(_("Could this be a zero-length partition?\n")); 1003 else if ((retval == EPERM) || (retval == EACCES)) 1004 printf(_("You must have %s access to the " 1005 "filesystem or be root\n"), 1006 (ctx->options & E2F_OPT_READONLY) ? 1007 "r/o" : "r/w"); 1008 else if (retval == ENXIO) 1009 printf(_("Possibly non-existent or swap device?\n")); 1010 else if (retval == EBUSY) 1011 printf(_("Filesystem mounted or opened exclusively " 1012 "by another program?\n")); 1013#ifdef EROFS 1014 else if (retval == EROFS) 1015 printf(_("Disk write-protected; use the -n option " 1016 "to do a read-only\n" 1017 "check of the device.\n")); 1018#endif 1019 else 1020 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); 1021 fatal_error(ctx, 0); 1022 } 1023 /* 1024 * We only update the master superblock because (a) paranoia; 1025 * we don't want to corrupt the backup superblocks, and (b) we 1026 * don't need to update the mount count and last checked 1027 * fields in the backup superblock (the kernel doesn't update 1028 * the backup superblocks anyway). With newer versions of the 1029 * library this flag is set by ext2fs_open2(), but we set this 1030 * here just to be sure. (No, we don't support e2fsck running 1031 * with some other libext2fs than the one that it was shipped 1032 * with, but just in case....) 1033 */ 1034 fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; 1035 1036 if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) { 1037 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super); 1038 int need_restart = 0; 1039 1040 pctx.errcode = ext2fs_get_device_size(ctx->filesystem_name, 1041 blocksize, 1042 &ctx->num_blocks); 1043 /* 1044 * The floppy driver refuses to allow anyone else to 1045 * open the device if has been opened with O_EXCL; 1046 * this is unlike other block device drivers in Linux. 1047 * To handle this, we close the filesystem and then 1048 * reopen the filesystem after we get the device size. 1049 */ 1050 if (pctx.errcode == EBUSY) { 1051 ext2fs_close(fs); 1052 need_restart++; 1053 pctx.errcode = 1054 ext2fs_get_device_size(ctx->filesystem_name, 1055 blocksize, 1056 &ctx->num_blocks); 1057 } 1058 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED) 1059 ctx->num_blocks = 0; 1060 else if (pctx.errcode) { 1061 fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); 1062 ctx->flags |= E2F_FLAG_ABORT; 1063 fatal_error(ctx, 0); 1064 } 1065 ctx->flags |= E2F_FLAG_GOT_DEVSIZE; 1066 if (need_restart) 1067 goto restart; 1068 } 1069 1070 ctx->fs = fs; 1071 fs->priv_data = ctx; 1072 fs->now = ctx->now; 1073 sb = fs->super; 1074 if (sb->s_rev_level > E2FSCK_CURRENT_REV) { 1075 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH, 1076 _("while trying to open %s"), 1077 ctx->filesystem_name); 1078 get_newer: 1079 fatal_error(ctx, _("Get a newer version of e2fsck!")); 1080 } 1081 1082 /* 1083 * Set the device name, which is used whenever we print error 1084 * or informational messages to the user. 1085 */ 1086 if (ctx->device_name == 0 && 1087 (sb->s_volume_name[0] != 0)) { 1088 ctx->device_name = string_copy(ctx, sb->s_volume_name, 1089 sizeof(sb->s_volume_name)); 1090 } 1091 if (ctx->device_name == 0) 1092 ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0); 1093 for (cp = ctx->device_name; *cp; cp++) 1094 if (isspace(*cp) || *cp == ':') 1095 *cp = '_'; 1096 1097 /* 1098 * Make sure the ext3 superblock fields are consistent. 1099 */ 1100 retval = e2fsck_check_ext3_journal(ctx); 1101 if (retval) { 1102 com_err(ctx->program_name, retval, 1103 _("while checking ext3 journal for %s"), 1104 ctx->device_name); 1105 fatal_error(ctx, 0); 1106 } 1107 1108 /* 1109 * Check to see if we need to do ext3-style recovery. If so, 1110 * do it, and then restart the fsck. 1111 */ 1112 if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) { 1113 if (ctx->options & E2F_OPT_READONLY) { 1114 printf(_("Warning: skipping journal recovery " 1115 "because doing a read-only filesystem " 1116 "check.\n")); 1117 io_channel_flush(ctx->fs->io); 1118 } else { 1119 if (ctx->flags & E2F_FLAG_RESTARTED) { 1120 /* 1121 * Whoops, we attempted to run the 1122 * journal twice. This should never 1123 * happen, unless the hardware or 1124 * device driver is being bogus. 1125 */ 1126 com_err(ctx->program_name, 0, 1127 _("unable to set superblock flags on %s\n"), ctx->device_name); 1128 fatal_error(ctx, 0); 1129 } 1130 retval = e2fsck_run_ext3_journal(ctx); 1131 if (retval) { 1132 com_err(ctx->program_name, retval, 1133 _("while recovering ext3 journal of %s"), 1134 ctx->device_name); 1135 fatal_error(ctx, 0); 1136 } 1137 ext2fs_close(ctx->fs); 1138 ctx->fs = 0; 1139 ctx->flags |= E2F_FLAG_RESTARTED; 1140 goto restart; 1141 } 1142 } 1143 1144 /* 1145 * Check for compatibility with the feature sets. We need to 1146 * be more stringent than ext2fs_open(). 1147 */ 1148 features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP; 1149 features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP; 1150 features[2] = (sb->s_feature_ro_compat & 1151 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); 1152print_unsupp_features: 1153 if (features[0] || features[1] || features[2]) { 1154 int i, j; 1155 __u32 *mask = features, m; 1156 1157 fprintf(stderr, _("%s has unsupported feature(s):"), 1158 ctx->filesystem_name); 1159 1160 for (i=0; i <3; i++,mask++) { 1161 for (j=0,m=1; j < 32; j++, m<<=1) { 1162 if (*mask & m) 1163 fprintf(stderr, " %s", 1164 e2p_feature2string(i, m)); 1165 } 1166 } 1167 putc('\n', stderr); 1168 goto get_newer; 1169 } 1170#ifdef ENABLE_COMPRESSION 1171 if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION) 1172 com_err(ctx->program_name, 0, 1173 _("Warning: compression support is experimental.\n")); 1174#endif 1175#ifndef ENABLE_HTREE 1176 if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) { 1177 com_err(ctx->program_name, 0, 1178 _("E2fsck not compiled with HTREE support,\n\t" 1179 "but filesystem %s has HTREE directories.\n"), 1180 ctx->device_name); 1181 goto get_newer; 1182 } 1183#endif 1184 1185 /* 1186 * If the user specified a specific superblock, presumably the 1187 * master superblock has been trashed. So we mark the 1188 * superblock as dirty, so it can be written out. 1189 */ 1190 if (ctx->superblock && 1191 !(ctx->options & E2F_OPT_READONLY)) 1192 ext2fs_mark_super_dirty(fs); 1193 1194 /* 1195 * Calculate the number of filesystem blocks per pagesize. If 1196 * fs->blocksize > page_size, set the number of blocks per 1197 * pagesize to 1 to avoid division by zero errors. 1198 */ 1199#ifdef _SC_PAGESIZE 1200 sysval = sysconf(_SC_PAGESIZE); 1201 if (sysval > 0) 1202 sys_page_size = sysval; 1203#endif /* _SC_PAGESIZE */ 1204 ctx->blocks_per_page = sys_page_size / fs->blocksize; 1205 if (ctx->blocks_per_page == 0) 1206 ctx->blocks_per_page = 1; 1207 1208 ehandler_init(fs->io); 1209 1210 if (ctx->superblock) 1211 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); 1212 ext2fs_mark_valid(fs); 1213 check_super_block(ctx); 1214 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1215 fatal_error(ctx, 0); 1216 check_if_skip(ctx); 1217 if (bad_blocks_file) 1218 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks); 1219 else if (cflag) 1220 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */ 1221 if (ctx->flags & E2F_FLAG_SIGNAL_MASK) 1222 fatal_error(ctx, 0); 1223 1224 /* 1225 * Mark the system as valid, 'til proven otherwise 1226 */ 1227 ext2fs_mark_valid(fs); 1228 1229 retval = ext2fs_read_bb_inode(fs, &fs->badblocks); 1230 if (retval) { 1231 com_err(ctx->program_name, retval, 1232 _("while reading bad blocks inode")); 1233 preenhalt(ctx); 1234 printf(_("This doesn't bode well," 1235 " but we'll try to go on...\n")); 1236 } 1237 1238 /* 1239 * Save the journal size in megabytes. 1240 * Try and use the journal size from the backup else let e2fsck 1241 * find the default journal size. 1242 */ 1243 if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) 1244 journal_size = sb->s_jnl_blocks[16] >> 20; 1245 else 1246 journal_size = -1; 1247 1248 run_result = e2fsck_run(ctx); 1249 e2fsck_clear_progbar(ctx); 1250 1251 if (ctx->flags & E2F_FLAG_JOURNAL_INODE) { 1252 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) { 1253 if (journal_size < 1024) 1254 journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count); 1255 if (journal_size < 0) { 1256 fs->super->s_feature_compat &= 1257 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1258 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1259 com_err(ctx->program_name, 0, 1260 _("Couldn't determine journal size")); 1261 goto no_journal; 1262 } 1263 printf(_("Creating journal (%d blocks): "), 1264 journal_size); 1265 fflush(stdout); 1266 retval = ext2fs_add_journal_inode(fs, 1267 journal_size, 0); 1268 if (retval) { 1269 com_err("Error ", retval, 1270 _("\n\twhile trying to create journal")); 1271 goto no_journal; 1272 } 1273 printf(_(" Done.\n")); 1274 printf(_("\n*** journal has been re-created - " 1275 "filesystem is now ext3 again ***\n")); 1276 } 1277 } 1278no_journal: 1279 1280 if (run_result == E2F_FLAG_RESTART) { 1281 printf(_("Restarting e2fsck from the beginning...\n")); 1282 retval = e2fsck_reset_context(ctx); 1283 if (retval) { 1284 com_err(ctx->program_name, retval, 1285 _("while resetting context")); 1286 fatal_error(ctx, 0); 1287 } 1288 ext2fs_close(fs); 1289 goto restart; 1290 } 1291 if (run_result & E2F_FLAG_CANCEL) { 1292 printf(_("%s: e2fsck canceled.\n"), ctx->device_name ? 1293 ctx->device_name : ctx->filesystem_name); 1294 exit_value |= FSCK_CANCELED; 1295 } 1296 if (run_result & E2F_FLAG_ABORT) 1297 fatal_error(ctx, _("aborted")); 1298 if (check_backup_super_block(ctx)) { 1299 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; 1300 ext2fs_mark_super_dirty(fs); 1301 } 1302 1303#ifdef MTRACE 1304 mtrace_print("Cleanup"); 1305#endif 1306 if (ext2fs_test_changed(fs)) { 1307 exit_value |= FSCK_NONDESTRUCT; 1308 if (!(ctx->options & E2F_OPT_PREEN)) 1309 printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"), 1310 ctx->device_name); 1311 if (ctx->mount_flags & EXT2_MF_ISROOT) { 1312 printf(_("%s: ***** REBOOT LINUX *****\n"), 1313 ctx->device_name); 1314 exit_value |= FSCK_REBOOT; 1315 } 1316 } 1317 if (!ext2fs_test_valid(fs) || 1318 ((exit_value & FSCK_CANCELED) && 1319 (sb->s_state & EXT2_ERROR_FS))) { 1320 printf(_("\n%s: ********** WARNING: Filesystem still has " 1321 "errors **********\n\n"), ctx->device_name); 1322 exit_value |= FSCK_UNCORRECTED; 1323 exit_value &= ~FSCK_NONDESTRUCT; 1324 } 1325 if (exit_value & FSCK_CANCELED) { 1326 int allow_cancellation; 1327 1328 profile_get_boolean(ctx->profile, "options", 1329 "allow_cancellation", 0, 0, 1330 &allow_cancellation); 1331 exit_value &= ~FSCK_NONDESTRUCT; 1332 if (allow_cancellation && ext2fs_test_valid(fs) && 1333 (sb->s_state & EXT2_VALID_FS) && 1334 !(sb->s_state & EXT2_ERROR_FS)) 1335 exit_value = 0; 1336 } else { 1337 show_stats(ctx); 1338 if (!(ctx->options & E2F_OPT_READONLY)) { 1339 if (ext2fs_test_valid(fs)) { 1340 if (!(sb->s_state & EXT2_VALID_FS)) 1341 exit_value |= FSCK_NONDESTRUCT; 1342 sb->s_state = EXT2_VALID_FS; 1343 } else 1344 sb->s_state &= ~EXT2_VALID_FS; 1345 sb->s_mnt_count = 0; 1346 sb->s_lastcheck = ctx->now; 1347 ext2fs_mark_super_dirty(fs); 1348 } 1349 } 1350 1351 if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM && 1352 !(ctx->options & E2F_OPT_READONLY)) { 1353 retval = ext2fs_set_gdt_csum(ctx->fs); 1354 if (retval) { 1355 com_err(ctx->program_name, retval, 1356 _("while setting block group checksum info")); 1357 fatal_error(ctx, 0); 1358 } 1359 } 1360 1361 e2fsck_write_bitmaps(ctx); 1362#ifdef RESOURCE_TRACK 1363 io_channel_flush(ctx->fs->io); 1364 if (ctx->options & E2F_OPT_TIME) 1365 print_resource_track(NULL, &ctx->global_rtrack, ctx->fs->io); 1366#endif 1367 ext2fs_close(fs); 1368 ctx->fs = NULL; 1369 free(ctx->journal_name); 1370 1371 e2fsck_free_context(ctx); 1372 remove_error_table(&et_ext2_error_table); 1373 remove_error_table(&et_prof_error_table); 1374 return exit_value; 1375} 1376