2 * unix.c - The unix-specific code for e2fsck
4 * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
7 * This file may be redistributed under the terms of the GNU Public
12 #define _XOPEN_SOURCE 600 /* for inclusion of sa_handler in Solaris */
36 #ifdef HAVE_SYS_IOCTL_H
37 #include <sys/ioctl.h>
42 #ifdef HAVE_SYS_TYPES_H
43 #include <sys/types.h>
50 #include "et/com_err.h"
54 #include "../version.h"
56 /* Command line options */
57 static int cflag; /* check disk */
58 static int show_version_only;
61 static int replace_bad_blocks;
62 static int keep_bad_blocks;
63 static char *bad_blocks_file;
65 e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
67 #ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jfs-debug */
68 int journal_enable_debug = -1;
71 static void usage(e2fsck_t ctx)
74 _("Usage: %s [-panyrcdfvtDFV] [-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"),
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"));
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"
98 static void show_stats(e2fsck_t ctx)
100 ext2_filsys fs = ctx->fs;
101 ext2_ino_t inodes, inodes_used;
102 blk64_t blocks, blocks_used;
103 unsigned int dir_links;
104 unsigned int num_files, num_links;
105 int frag_percent_file, frag_percent_dir, frag_percent_total;
108 dir_links = 2 * ctx->fs_directory_count - 1;
109 num_files = ctx->fs_total_count - dir_links;
110 num_links = ctx->fs_links_count - dir_links;
111 inodes = fs->super->s_inodes_count;
112 inodes_used = (fs->super->s_inodes_count -
113 fs->super->s_free_inodes_count);
114 blocks = ext2fs_blocks_count(fs->super);
115 blocks_used = (ext2fs_blocks_count(fs->super) -
116 ext2fs_free_blocks_count(fs->super));
118 frag_percent_file = (10000 * ctx->fs_fragmented) / inodes_used;
119 frag_percent_file = (frag_percent_file + 5) / 10;
121 frag_percent_dir = (10000 * ctx->fs_fragmented_dir) / inodes_used;
122 frag_percent_dir = (frag_percent_dir + 5) / 10;
124 frag_percent_total = ((10000 * (ctx->fs_fragmented +
125 ctx->fs_fragmented_dir))
127 frag_percent_total = (frag_percent_total + 5) / 10;
130 log_out(ctx, _("%s: %u/%u files (%0d.%d%% non-contiguous), "
131 "%llu/%llu blocks\n"),
132 ctx->device_name, inodes_used, inodes,
133 frag_percent_total / 10, frag_percent_total % 10,
134 blocks_used, blocks);
137 log_out(ctx, P_("\n%8u inode used (%2.2f%%)\n",
138 "\n%8u inodes used (%2.2f%%)\n",
139 inodes_used), inodes_used,
140 100.0 * inodes_used / inodes);
141 log_out(ctx, P_("%8u non-contiguous file (%0d.%d%%)\n",
142 "%8u non-contiguous files (%0d.%d%%)\n",
144 ctx->fs_fragmented, frag_percent_file / 10,
145 frag_percent_file % 10);
146 log_out(ctx, P_("%8u non-contiguous directory (%0d.%d%%)\n",
147 "%8u non-contiguous directories (%0d.%d%%)\n",
148 ctx->fs_fragmented_dir),
149 ctx->fs_fragmented_dir, frag_percent_dir / 10,
150 frag_percent_dir % 10);
151 log_out(ctx, _(" # of inodes with ind/dind/tind blocks: "
153 ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count);
155 for (j=MAX_EXTENT_DEPTH_COUNT-1; j >=0; j--)
156 if (ctx->extent_depth_count[j])
159 log_out(ctx, _(" Extent depth histogram: "));
160 for (i=0; i < j; i++) {
163 log_out(ctx, "%u", ctx->extent_depth_count[i]);
168 log_out(ctx, P_("%8llu block used (%2.2f%%)\n",
169 "%8llu blocks used (%2.2f%%)\n",
170 blocks_used), blocks_used, 100.0 * blocks_used / blocks);
171 log_out(ctx, P_("%8u bad block\n", "%8u bad blocks\n",
172 ctx->fs_badblocks_count), ctx->fs_badblocks_count);
173 log_out(ctx, P_("%8u large file\n", "%8u large files\n",
174 ctx->large_files), ctx->large_files);
175 log_out(ctx, P_("\n%8u regular file\n", "\n%8u regular files\n",
176 ctx->fs_regular_count), ctx->fs_regular_count);
177 log_out(ctx, P_("%8u directory\n", "%8u directories\n",
178 ctx->fs_directory_count), ctx->fs_directory_count);
179 log_out(ctx, P_("%8u character device file\n",
180 "%8u character device files\n", ctx->fs_chardev_count),
181 ctx->fs_chardev_count);
182 log_out(ctx, P_("%8u block device file\n", "%8u block device files\n",
183 ctx->fs_blockdev_count), ctx->fs_blockdev_count);
184 log_out(ctx, P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_count),
186 log_out(ctx, P_("%8u link\n", "%8u links\n",
187 ctx->fs_links_count - dir_links),
188 ctx->fs_links_count - dir_links);
189 log_out(ctx, P_("%8u symbolic link", "%8u symbolic links",
190 ctx->fs_symlinks_count), ctx->fs_symlinks_count);
191 log_out(ctx, P_(" (%u fast symbolic link)\n",
192 " (%u fast symbolic links)\n",
193 ctx->fs_fast_symlinks_count),
194 ctx->fs_fast_symlinks_count);
195 log_out(ctx, P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count),
196 ctx->fs_sockets_count);
197 log_out(ctx, "--------\n");
198 log_out(ctx, P_("%8u file\n", "%8u files\n",
199 ctx->fs_total_count - dir_links),
200 ctx->fs_total_count - dir_links);
203 static void check_mount(e2fsck_t ctx)
208 retval = ext2fs_check_if_mounted(ctx->filesystem_name,
211 com_err("ext2fs_check_if_mount", retval,
212 _("while determining whether %s is mounted."),
213 ctx->filesystem_name);
218 * If the filesystem isn't mounted, or it's the root
219 * filesystem and it's mounted read-only, and we're not doing
220 * a read/write check, then everything's fine.
222 if ((!(ctx->mount_flags & (EXT2_MF_MOUNTED | EXT2_MF_BUSY))) ||
223 ((ctx->mount_flags & EXT2_MF_ISROOT) &&
224 (ctx->mount_flags & EXT2_MF_READONLY) &&
225 !(ctx->options & E2F_OPT_WRITECHECK)))
228 if ((ctx->options & E2F_OPT_READONLY) &&
229 !(ctx->options & E2F_OPT_WRITECHECK)) {
230 log_out(ctx, _("Warning! %s is %s.\n"),
231 ctx->filesystem_name,
232 ctx->mount_flags & EXT2_MF_MOUNTED ?
233 "mounted" : "in use");
237 log_out(ctx, _("%s is %s.\n"), ctx->filesystem_name,
238 ctx->mount_flags & EXT2_MF_MOUNTED ? "mounted" : "in use");
239 if (!ctx->interactive || ctx->mount_flags & EXT2_MF_BUSY)
240 fatal_error(ctx, _("Cannot continue, aborting.\n\n"));
241 puts("\007\007\007\007");
242 log_out(ctx, _("\n\nWARNING!!! "
243 "The filesystem is mounted. "
244 "If you continue you ***WILL***\n"
245 "cause ***SEVERE*** filesystem damage.\n\n"));
246 puts("\007\007\007");
247 cont = ask_yn(ctx, _("Do you really want to continue"), 0);
249 printf (_("check aborted.\n"));
255 static int is_on_batt(void)
259 char tmp[80], tmp2[80], fname[80];
263 f = fopen("/sys/class/power_supply/AC/online", "r");
265 if (fscanf(f, "%u\n", &acflag) == 1) {
271 f = fopen("/proc/apm", "r");
273 if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4)
276 return (acflag != 1);
278 d = opendir("/proc/acpi/ac_adapter");
280 while ((de=readdir(d)) != NULL) {
281 if (!strncmp(".", de->d_name, 1))
283 snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state",
285 f = fopen(fname, "r");
288 if (fscanf(f, "%s %s", tmp2, tmp) != 2)
291 if (strncmp(tmp, "off-line", 8) == 0) {
302 * This routine checks to see if a filesystem can be skipped; if so,
303 * it will exit with E2FSCK_OK. Under some conditions it will print a
304 * message explaining why a check is being forced.
306 static void check_if_skip(e2fsck_t ctx)
308 ext2_filsys fs = ctx->fs;
309 struct problem_context pctx;
310 const char *reason = NULL;
311 unsigned int reason_arg = 0;
313 int batt = is_on_batt();
314 int defer_check_on_battery;
315 int broken_system_clock;
318 profile_get_boolean(ctx->profile, "options", "broken_system_clock",
319 0, 0, &broken_system_clock);
320 if (ctx->flags & E2F_FLAG_TIME_INSANE)
321 broken_system_clock = 1;
322 profile_get_boolean(ctx->profile, "options",
323 "defer_check_on_battery", 0, 1,
324 &defer_check_on_battery);
325 if (!defer_check_on_battery)
328 if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag)
331 if (ctx->options & E2F_OPT_JOURNAL_ONLY)
334 lastcheck = fs->super->s_lastcheck;
335 if (lastcheck > ctx->now)
336 lastcheck -= ctx->time_fudge;
337 if ((fs->super->s_state & EXT2_ERROR_FS) ||
338 !ext2fs_test_valid(fs))
339 reason = _(" contains a file system with errors");
340 else if ((fs->super->s_state & EXT2_VALID_FS) == 0)
341 reason = _(" was not cleanly unmounted");
342 else if (check_backup_super_block(ctx))
343 reason = _(" primary superblock features different from backup");
344 else if ((fs->super->s_max_mnt_count > 0) &&
345 (fs->super->s_mnt_count >=
346 (unsigned) fs->super->s_max_mnt_count)) {
347 reason = _(" has been mounted %u times without being checked");
348 reason_arg = fs->super->s_mnt_count;
349 if (batt && (fs->super->s_mnt_count <
350 (unsigned) fs->super->s_max_mnt_count*2))
352 } else if (!broken_system_clock && fs->super->s_checkinterval &&
353 (ctx->now < lastcheck)) {
354 reason = _(" has filesystem last checked time in the future");
357 } else if (!broken_system_clock && fs->super->s_checkinterval &&
358 ((ctx->now - lastcheck) >=
359 ((time_t) fs->super->s_checkinterval))) {
360 reason = _(" has gone %u days without being checked");
361 reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24);
362 if (batt && ((ctx->now - fs->super->s_lastcheck) <
363 fs->super->s_checkinterval*2))
367 log_out(ctx, "%s", ctx->device_name);
368 log_out(ctx, reason, reason_arg);
369 log_out(ctx, _(", check forced.\n"));
374 * Update the global counts from the block group counts. This
375 * is needed since modern kernels don't update the global
376 * counts so as to avoid locking the entire file system. So
377 * if the filesystem is not unmounted cleanly, the global
378 * counts may not be accurate. Update them here if we can,
379 * for the benefit of users who might examine the file system
380 * using dumpe2fs. (This is for cosmetic reasons only.)
382 clear_problem_context(&pctx);
383 pctx.ino = fs->super->s_free_inodes_count;
384 pctx.ino2 = ctx->free_inodes;
385 if ((pctx.ino != pctx.ino2) &&
386 !(ctx->options & E2F_OPT_READONLY) &&
387 fix_problem(ctx, PR_0_FREE_INODE_COUNT, &pctx)) {
388 fs->super->s_free_inodes_count = ctx->free_inodes;
389 ext2fs_mark_super_dirty(fs);
391 clear_problem_context(&pctx);
392 pctx.blk = ext2fs_free_blocks_count(fs->super);
393 pctx.blk2 = ctx->free_blocks;
394 if ((pctx.blk != pctx.blk2) &&
395 !(ctx->options & E2F_OPT_READONLY) &&
396 fix_problem(ctx, PR_0_FREE_BLOCK_COUNT, &pctx)) {
397 ext2fs_free_blocks_count_set(fs->super, ctx->free_blocks);
398 ext2fs_mark_super_dirty(fs);
401 /* Print the summary message when we're skipping a full check */
402 log_out(ctx, _("%s: clean, %u/%u files, %llu/%llu blocks"),
404 fs->super->s_inodes_count - fs->super->s_free_inodes_count,
405 fs->super->s_inodes_count,
406 ext2fs_blocks_count(fs->super) -
407 ext2fs_free_blocks_count(fs->super),
408 ext2fs_blocks_count(fs->super));
410 if (fs->super->s_max_mnt_count > 0) {
411 next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count;
415 if (!broken_system_clock && fs->super->s_checkinterval &&
416 ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval))
418 if (next_check <= 5) {
419 if (next_check == 1) {
421 log_out(ctx, _(" (check deferred; "
424 log_out(ctx, _(" (check after next mount)"));
426 log_out(ctx, _(" (check in %ld mounts)"), next_check);
432 e2fsck_free_context(ctx);
437 * For completion notice
443 struct percent_tbl e2fsck_tbl = {
444 5, { 0, 70, 90, 92, 95, 100 }
446 static char bar[128], spaces[128];
448 static float calc_percent(struct percent_tbl *tbl, int pass, int curr,
455 if (pass > tbl->max_pass || max == 0)
457 percent = ((float) curr) / ((float) max);
458 return ((percent * (tbl->table[pass] - tbl->table[pass-1]))
459 + tbl->table[pass-1]);
462 extern void e2fsck_clear_progbar(e2fsck_t ctx)
464 if (!(ctx->flags & E2F_FLAG_PROG_BAR))
467 printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80),
470 ctx->flags &= ~E2F_FLAG_PROG_BAR;
473 int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent,
476 static const char spinner[] = "\\|/-";
483 if (ctx->flags & E2F_FLAG_PROG_SUPPRESS)
487 * Calculate the new progress position. If the
488 * percentage hasn't changed, then we skip out right
491 fixed_percent = (int) ((10 * percent) + 0.5);
492 if (ctx->progress_last_percent == fixed_percent)
494 ctx->progress_last_percent = fixed_percent;
497 * If we've already updated the spinner once within
498 * the last 1/8th of a second, no point doing it
501 gettimeofday(&tv, NULL);
502 tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8));
503 if ((tick == ctx->progress_last_time) &&
504 (fixed_percent != 0) && (fixed_percent != 1000))
506 ctx->progress_last_time = tick;
509 * Advance the spinner, and note that the progress bar
510 * will be on the screen
512 ctx->progress_pos = (ctx->progress_pos+1) & 3;
513 ctx->flags |= E2F_FLAG_PROG_BAR;
515 dpywidth = 66 - strlen(label);
516 dpywidth = 8 * (dpywidth / 8);
520 i = ((percent * dpywidth) + 50) / 100;
521 printf("%s%s: |%s%s", ctx->start_meta, label,
522 bar + (sizeof(bar) - (i+1)),
523 spaces + (sizeof(spaces) - (dpywidth - i + 1)));
524 if (fixed_percent == 1000)
527 fputc(spinner[ctx->progress_pos & 3], stdout);
528 printf(" %4.1f%% ", percent);
530 printf("%u\r", dpynum);
532 fputs(" \r", stdout);
533 fputs(ctx->stop_meta, stdout);
535 if (fixed_percent == 1000)
536 e2fsck_clear_progbar(ctx);
542 static int e2fsck_update_progress(e2fsck_t ctx, int pass,
543 unsigned long cur, unsigned long max)
551 if (ctx->progress_fd) {
552 snprintf(buf, sizeof(buf), "%d %lu %lu %s\n",
553 pass, cur, max, ctx->device_name);
554 write_all(ctx->progress_fd, buf, strlen(buf));
556 percent = calc_percent(&e2fsck_tbl, pass, cur, max);
557 e2fsck_simple_progress(ctx, ctx->device_name,
563 #define PATH_SET "PATH=/sbin"
566 * Make sure 0,1,2 file descriptors are open, so that we don't open
567 * the filesystem using the same file descriptor as stdout or stderr.
569 static void reserve_stdio_fds(void)
574 fd = open("/dev/null", O_RDWR);
576 fprintf(stderr, _("ERROR: Couldn't open "
585 static void signal_progress_on(int sig EXT2FS_ATTR((unused)))
587 e2fsck_t ctx = e2fsck_global_ctx;
592 ctx->progress = e2fsck_update_progress;
595 static void signal_progress_off(int sig EXT2FS_ATTR((unused)))
597 e2fsck_t ctx = e2fsck_global_ctx;
602 e2fsck_clear_progbar(ctx);
606 static void signal_cancel(int sig EXT2FS_ATTR((unused)))
608 e2fsck_t ctx = e2fsck_global_ctx;
613 ctx->flags |= E2F_FLAG_CANCEL;
617 static void initialize_profile_options(e2fsck_t ctx)
621 /* [options] shared=preserve|lost+found|delete */
623 ctx->shared = E2F_SHARED_PRESERVE;
624 profile_get_string(ctx->profile, "options", "shared", 0,
627 if (strcmp(tmp, "preserve") == 0)
628 ctx->shared = E2F_SHARED_PRESERVE;
629 else if (strcmp(tmp, "delete") == 0)
630 ctx->shared = E2F_SHARED_DELETE;
631 else if (strcmp(tmp, "lost+found") == 0)
632 ctx->shared = E2F_SHARED_LPF;
634 com_err(ctx->program_name, 0,
635 _("configuration error: 'shared=%s'"), tmp);
641 /* [options] clone=dup|zero */
643 ctx->clone = E2F_CLONE_DUP;
644 profile_get_string(ctx->profile, "options", "clone", 0,
647 if (strcmp(tmp, "dup") == 0)
648 ctx->clone = E2F_CLONE_DUP;
649 else if (strcmp(tmp, "zero") == 0)
650 ctx->clone = E2F_CLONE_ZERO;
652 com_err(ctx->program_name, 0,
653 _("configuration error: 'clone=%s'"), tmp);
660 static void parse_extended_opts(e2fsck_t ctx, const char *opts)
662 char *buf, *token, *next, *p, *arg;
664 int extended_usage = 0;
666 buf = string_copy(ctx, opts, 0);
667 for (token = buf; token && *token; token = next) {
668 p = strchr(token, ',');
674 arg = strchr(token, '=');
679 if (strcmp(token, "ea_ver") == 0) {
684 ea_ver = strtoul(arg, &p, 0);
686 ((ea_ver != 1) && (ea_ver != 2))) {
688 _("Invalid EA version.\n"));
692 ctx->ext_attr_ver = ea_ver;
693 } else if (strcmp(token, "fragcheck") == 0) {
694 ctx->options |= E2F_OPT_FRAGCHECK;
696 /* -E shared=preserve|lost+found|delete */
697 } else if (strcmp(token, "shared") == 0) {
702 if (strcmp(arg, "preserve") == 0) {
703 ctx->shared = E2F_SHARED_PRESERVE;
704 } else if (strcmp(arg, "lost+found") == 0) {
705 ctx->shared = E2F_SHARED_LPF;
706 } else if (strcmp(arg, "delete") == 0) {
707 ctx->shared = E2F_SHARED_DELETE;
712 /* -E clone=dup|zero */
713 } else if (strcmp(token, "clone") == 0) {
718 if (strcmp(arg, "dup") == 0) {
719 ctx->clone = E2F_CLONE_DUP;
720 } else if (strcmp(arg, "zero") == 0) {
721 ctx->clone = E2F_CLONE_ZERO;
726 } else if (strcmp(token, "expand_extra_isize") == 0) {
727 ctx->flags |= E2F_FLAG_EXPAND_EISIZE;
732 } else if (strcmp(token, "journal_only") == 0) {
737 ctx->options |= E2F_OPT_JOURNAL_ONLY;
738 } else if (strcmp(token, "discard") == 0) {
739 ctx->options |= E2F_OPT_DISCARD;
741 } else if (strcmp(token, "nodiscard") == 0) {
742 ctx->options &= ~E2F_OPT_DISCARD;
744 } else if (strcmp(token, "log_filename") == 0) {
748 ctx->log_fn = string_copy(ctx, arg, 0);
751 fprintf(stderr, _("Unknown extended option: %s\n"),
758 if (extended_usage) {
759 fputs(("\nExtended options are separated by commas, "
760 "and may take an argument which\n"
761 "is set off by an equals ('=') sign. "
762 "Valid extended options are:\n"), stderr);
763 fputs(("\tea_ver=<ea_version (1 or 2)>\n"), stderr);
764 fputs(("\tfragcheck\n"), stderr);
765 fputs(("\tjournal_only\n"), stderr);
766 fputs(("\tdiscard\n"), stderr);
767 fputs(("\tnodiscard\n"), stderr);
768 fputs(("\tshared=<preserve|lost+found|delete>\n"), stderr);
769 fputs(("\tclone=<dup|zero>\n"), stderr);
770 fputs(("\texpand_extra_isize\n"), stderr);
776 static void syntax_err_report(const char *filename, long err, int line_num)
779 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"),
780 filename, line_num, error_message(err));
784 static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 };
786 static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
791 extern void *mallwatch;
799 int res; /* result of sscanf */
800 #ifdef CONFIG_JBD_DEBUG
804 retval = e2fsck_allocate_context(&ctx);
810 setvbuf(stdout, NULL, _IONBF, BUFSIZ);
811 setvbuf(stderr, NULL, _IONBF, BUFSIZ);
812 if (isatty(0) && isatty(1)) {
813 ctx->interactive = 1;
815 ctx->start_meta[0] = '\001';
816 ctx->stop_meta[0] = '\002';
818 memset(bar, '=', sizeof(bar)-1);
819 memset(spaces, ' ', sizeof(spaces)-1);
820 add_error_table(&et_ext2_error_table);
821 add_error_table(&et_prof_error_table);
822 blkid_get_cache(&ctx->blkid, NULL);
825 ctx->program_name = *argv;
827 ctx->program_name = "e2fsck";
829 cp = getenv("E2FSCK_CONFIG");
832 profile_set_syntax_err_cb(syntax_err_report);
833 profile_init(config_fn, &ctx->profile);
835 initialize_profile_options(ctx);
837 while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF)
840 ctx->progress = e2fsck_update_progress;
841 res = sscanf(optarg, "%d", &ctx->progress_fd);
845 if (ctx->progress_fd < 0) {
847 ctx->progress_fd = ctx->progress_fd * -1;
849 if (!ctx->progress_fd)
851 /* Validate the file descriptor to avoid disasters */
852 fd = dup(ctx->progress_fd);
855 _("Error validating file descriptor %d: %s\n"),
857 error_message(errno));
859 _("Invalid completion information file descriptor"));
864 ctx->options |= E2F_OPT_COMPRESS_DIRS;
867 parse_extended_opts(ctx, optarg);
871 if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) {
874 _("Only one of the options -p/-a, -n or -y may be specified."));
876 ctx->options |= E2F_OPT_PREEN;
879 if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN))
881 ctx->options |= E2F_OPT_NO;
884 if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO))
886 ctx->options |= E2F_OPT_YES;
889 #ifdef RESOURCE_TRACK
890 if (ctx->options & E2F_OPT_TIME)
891 ctx->options |= E2F_OPT_TIME2;
893 ctx->options |= E2F_OPT_TIME;
895 fprintf(stderr, _("The -t option is not "
896 "supported on this version of e2fsck.\n"));
901 ctx->options |= E2F_OPT_WRITECHECK;
902 ctx->options |= E2F_OPT_CHECKBLOCKS;
905 /* What we do by default, anyway! */
908 res = sscanf(optarg, "%llu", &ctx->use_superblock);
911 ctx->flags |= E2F_FLAG_SB_SPECIFIED;
914 ctx->blocksize = atoi(optarg);
917 res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks);
922 ctx->journal_name = blkid_get_devname(ctx->blkid,
924 if (!ctx->journal_name) {
925 com_err(ctx->program_name, 0,
926 _("Unable to resolve '%s'"),
932 res = sscanf(optarg, "%d", &ctx->process_inode_size);
937 replace_bad_blocks++;
939 bad_blocks_file = string_copy(ctx, optarg, 0);
942 ctx->options |= E2F_OPT_DEBUG;
945 ctx->options |= E2F_OPT_FORCE;
954 show_version_only = 1;
958 mallwatch = (void *) strtol(optarg, NULL, 0);
962 ctx->device_name = string_copy(ctx, optarg, 0);
970 if (show_version_only)
972 if (optind != argc - 1)
974 if ((ctx->options & E2F_OPT_NO) &&
975 (ctx->options & E2F_OPT_COMPRESS_DIRS)) {
976 com_err(ctx->program_name, 0,
977 _("The -n and -D options are incompatible."));
980 if ((ctx->options & E2F_OPT_NO) && cflag) {
981 com_err(ctx->program_name, 0,
982 _("The -n and -c options are incompatible."));
985 if ((ctx->options & E2F_OPT_NO) && bad_blocks_file) {
986 com_err(ctx->program_name, 0,
987 _("The -n and -l/-L options are incompatible."));
990 if (ctx->options & E2F_OPT_NO)
991 ctx->options |= E2F_OPT_READONLY;
993 ctx->io_options = strchr(argv[optind], '?');
995 *ctx->io_options++ = 0;
996 ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0);
997 if (!ctx->filesystem_name) {
998 com_err(ctx->program_name, 0, _("Unable to resolve '%s'"),
1000 fatal_error(ctx, 0);
1003 /* Turn off discard in read-only mode */
1004 if ((ctx->options & E2F_OPT_NO) &&
1005 (ctx->options & E2F_OPT_DISCARD))
1006 ctx->options &= ~E2F_OPT_DISCARD;
1009 fd = open(ctx->filesystem_name, O_RDONLY, 0);
1011 com_err("open", errno,
1012 _("while opening %s for flushing"),
1013 ctx->filesystem_name);
1014 fatal_error(ctx, 0);
1016 if ((retval = ext2fs_sync_device(fd, 1))) {
1017 com_err("ext2fs_sync_device", retval,
1018 _("while trying to flush %s"),
1019 ctx->filesystem_name);
1020 fatal_error(ctx, 0);
1024 if (cflag && bad_blocks_file) {
1025 fprintf(stderr, _("The -c and the -l/-L options may "
1026 "not be both used at the same time.\n"));
1029 #ifdef HAVE_SIGNAL_H
1031 * Set up signal action
1033 memset(&sa, 0, sizeof(struct sigaction));
1034 sa.sa_handler = signal_cancel;
1035 sigaction(SIGINT, &sa, 0);
1036 sigaction(SIGTERM, &sa, 0);
1038 sa.sa_flags = SA_RESTART;
1040 e2fsck_global_ctx = ctx;
1041 sa.sa_handler = signal_progress_on;
1042 sigaction(SIGUSR1, &sa, 0);
1043 sa.sa_handler = signal_progress_off;
1044 sigaction(SIGUSR2, &sa, 0);
1047 /* Update our PATH to include /sbin if we need to run badblocks */
1049 char *oldpath = getenv("PATH");
1051 int len = sizeof(PATH_SET) + 1;
1054 len += strlen(oldpath);
1056 newpath = malloc(len);
1058 fatal_error(ctx, "Couldn't malloc() newpath");
1059 strcpy(newpath, PATH_SET);
1062 strcat(newpath, ":");
1063 strcat(newpath, oldpath);
1067 #ifdef CONFIG_JBD_DEBUG
1068 jbd_debug = getenv("E2FSCK_JBD_DEBUG");
1070 res = sscanf(jbd_debug, "%d", &journal_enable_debug);
1073 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"),
1082 fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"),
1087 static errcode_t try_open_fs(e2fsck_t ctx, int flags, io_manager io_ptr,
1088 ext2_filsys *ret_fs)
1093 if (ctx->superblock && ctx->blocksize) {
1094 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
1095 flags, ctx->superblock, ctx->blocksize,
1097 } else if (ctx->superblock) {
1099 for (blocksize = EXT2_MIN_BLOCK_SIZE;
1100 blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) {
1102 ext2fs_free(*ret_fs);
1105 retval = ext2fs_open2(ctx->filesystem_name,
1106 ctx->io_options, flags,
1107 ctx->superblock, blocksize,
1113 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
1114 flags, 0, 0, io_ptr, ret_fs);
1117 e2fsck_set_bitmap_type(*ret_fs, EXT2FS_BMAP64_RBTREE,
1122 static const char *my_ver_string = E2FSPROGS_VERSION;
1123 static const char *my_ver_date = E2FSPROGS_DATE;
1125 static int e2fsck_check_mmp(ext2_filsys fs, e2fsck_t ctx)
1127 struct mmp_struct *mmp_s;
1128 unsigned int mmp_check_interval;
1129 errcode_t retval = 0;
1130 struct problem_context pctx;
1131 unsigned int wait_time = 0;
1133 clear_problem_context(&pctx);
1134 if (fs->mmp_buf == NULL) {
1135 retval = ext2fs_get_mem(fs->blocksize, &fs->mmp_buf);
1140 retval = ext2fs_mmp_read(fs, fs->super->s_mmp_block, fs->mmp_buf);
1144 mmp_s = fs->mmp_buf;
1146 mmp_check_interval = fs->super->s_mmp_update_interval;
1147 if (mmp_check_interval < EXT4_MMP_MIN_CHECK_INTERVAL)
1148 mmp_check_interval = EXT4_MMP_MIN_CHECK_INTERVAL;
1151 * If check_interval in MMP block is larger, use that instead of
1152 * check_interval from the superblock.
1154 if (mmp_s->mmp_check_interval > mmp_check_interval)
1155 mmp_check_interval = mmp_s->mmp_check_interval;
1157 wait_time = mmp_check_interval * 2 + 1;
1159 if (mmp_s->mmp_seq == EXT4_MMP_SEQ_CLEAN)
1161 else if (mmp_s->mmp_seq == EXT4_MMP_SEQ_FSCK)
1162 retval = EXT2_ET_MMP_FSCK_ON;
1163 else if (mmp_s->mmp_seq > EXT4_MMP_SEQ_MAX)
1164 retval = EXT2_ET_MMP_UNKNOWN_SEQ;
1169 /* Print warning if e2fck will wait for more than 20 secs. */
1170 if (verbose || wait_time > EXT4_MMP_MIN_CHECK_INTERVAL * 4) {
1171 log_out(ctx, _("MMP interval is %u seconds and total wait "
1172 "time is %u seconds. Please wait...\n"),
1173 mmp_check_interval, wait_time * 2);
1180 if (retval == EXT2_ET_MMP_BAD_BLOCK) {
1181 if (fix_problem(ctx, PR_0_MMP_INVALID_BLK, &pctx)) {
1182 fs->super->s_mmp_block = 0;
1183 ext2fs_mark_super_dirty(fs);
1186 } else if (retval == EXT2_ET_MMP_FAILED) {
1187 com_err(ctx->program_name, retval,
1188 _("while checking MMP block"));
1189 dump_mmp_msg(fs->mmp_buf, NULL);
1190 } else if (retval == EXT2_ET_MMP_FSCK_ON ||
1191 retval == EXT2_ET_MMP_UNKNOWN_SEQ) {
1192 com_err(ctx->program_name, retval,
1193 _("while checking MMP block"));
1194 dump_mmp_msg(fs->mmp_buf,
1195 _("If you are sure the filesystem is not "
1196 "in use on any node, run:\n"
1197 "'tune2fs -f -E clear_mmp {device}'\n"));
1198 } else if (retval == EXT2_ET_MMP_MAGIC_INVALID) {
1199 if (fix_problem(ctx, PR_0_MMP_INVALID_MAGIC, &pctx)) {
1200 ext2fs_mmp_clear(fs);
1207 int main (int argc, char *argv[])
1209 errcode_t retval = 0, retval2 = 0, orig_retval = 0;
1210 int exit_value = FSCK_OK;
1213 struct ext2_super_block *sb;
1214 const char *lib_ver_date;
1215 int my_ver, lib_ver;
1217 blk_t orig_superblock;
1218 struct problem_context pctx;
1219 int flags, run_result;
1221 int sysval, sys_page_size = 4096;
1225 int qtype; /* quota type */
1227 clear_problem_context(&pctx);
1236 setlocale(LC_MESSAGES, "");
1237 setlocale(LC_CTYPE, "");
1238 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
1239 textdomain(NLS_CAT_NAME);
1240 set_com_err_gettext(gettext);
1242 my_ver = ext2fs_parse_version_string(my_ver_string);
1243 lib_ver = ext2fs_get_library_version(0, &lib_ver_date);
1244 if (my_ver > lib_ver) {
1245 fprintf( stderr, _("Error: ext2fs library version "
1247 show_version_only++;
1250 retval = PRS(argc, argv, &ctx);
1252 com_err("e2fsck", retval,
1253 _("while trying to initialize program"));
1256 reserve_stdio_fds();
1258 set_up_logging(ctx);
1261 fputs("E2fsck run: ", ctx->logf);
1262 for (i = 0; i < argc; i++) {
1264 fputc(' ', ctx->logf);
1265 fputs(argv[i], ctx->logf);
1267 fputc('\n', ctx->logf);
1270 init_resource_track(&ctx->global_rtrack, NULL);
1271 if (!(ctx->options & E2F_OPT_PREEN) || show_version_only)
1272 log_err(ctx, "e2fsck %s (%s)\n", my_ver_string,
1275 if (show_version_only) {
1276 log_err(ctx, _("\tUsing %s, %s\n"),
1277 error_message(EXT2_ET_BASE), lib_ver_date);
1283 if (!(ctx->options & E2F_OPT_PREEN) &&
1284 !(ctx->options & E2F_OPT_NO) &&
1285 !(ctx->options & E2F_OPT_YES)) {
1286 if (!ctx->interactive)
1288 _("need terminal for interactive repairs"));
1290 ctx->superblock = ctx->use_superblock;
1292 flags = EXT2_FLAG_SKIP_MMP;
1294 #ifdef CONFIG_TESTIO_DEBUG
1295 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1296 io_ptr = test_io_manager;
1297 test_io_backing_manager = unix_io_manager;
1300 io_ptr = unix_io_manager;
1301 flags |= EXT2_FLAG_NOFREE_ON_ERROR;
1302 profile_get_boolean(ctx->profile, "options", "old_bitmaps", 0, 0,
1305 flags |= EXT2_FLAG_64BITS;
1306 if ((ctx->options & E2F_OPT_READONLY) == 0)
1307 flags |= EXT2_FLAG_RW | EXT2_FLAG_EXCLUSIVE;
1309 retval = try_open_fs(ctx, flags, io_ptr, &fs);
1311 if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) &&
1312 !(ctx->flags & E2F_FLAG_SB_SPECIFIED) &&
1313 ((retval == EXT2_ET_BAD_MAGIC) ||
1314 (retval == EXT2_ET_CORRUPT_SUPERBLOCK) ||
1315 ((retval == 0) && (retval2 = ext2fs_check_desc(fs))))) {
1317 pctx.errcode = retval;
1318 fix_problem(ctx, PR_0_OPEN_FAILED, &pctx);
1321 pctx.errcode = retval2;
1322 fix_problem(ctx, PR_0_CHECK_DESC_FAILED, &pctx);
1325 if (retval2 == ENOMEM || retval2 == EXT2_ET_NO_MEMORY) {
1329 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) {
1333 if (!fs || (fs->group_desc_count > 1)) {
1334 log_out(ctx, _("%s: %s trying backup blocks...\n"),
1336 retval ? _("Superblock invalid,") :
1337 _("Group descriptors look bad..."));
1338 orig_superblock = ctx->superblock;
1339 get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr);
1342 orig_retval = retval;
1343 retval = try_open_fs(ctx, flags, io_ptr, &fs);
1344 if ((orig_retval == 0) && retval != 0) {
1347 log_out(ctx, _("%s: %s while using the "
1350 error_message(retval));
1351 log_out(ctx, _("%s: going back to original "
1354 ctx->superblock = orig_superblock;
1355 retval = try_open_fs(ctx, flags, io_ptr, &fs);
1359 if (((retval == EXT2_ET_UNSUPP_FEATURE) ||
1360 (retval == EXT2_ET_RO_UNSUPP_FEATURE)) &&
1363 features[0] = (sb->s_feature_compat &
1364 ~EXT2_LIB_FEATURE_COMPAT_SUPP);
1365 features[1] = (sb->s_feature_incompat &
1366 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP);
1367 features[2] = (sb->s_feature_ro_compat &
1368 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
1369 if (features[0] || features[1] || features[2])
1370 goto print_unsupp_features;
1375 retval = orig_retval;
1376 com_err(ctx->program_name, retval, _("while trying to open %s"),
1377 ctx->filesystem_name);
1378 if (retval == EXT2_ET_REV_TOO_HIGH) {
1379 log_out(ctx, _("The filesystem revision is apparently "
1380 "too high for this version of e2fsck.\n"
1381 "(Or the filesystem superblock "
1382 "is corrupt)\n\n"));
1383 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
1384 } else if (retval == EXT2_ET_SHORT_READ)
1385 log_out(ctx, _("Could this be a zero-length "
1387 else if ((retval == EPERM) || (retval == EACCES))
1388 log_out(ctx, _("You must have %s access to the "
1389 "filesystem or be root\n"),
1390 (ctx->options & E2F_OPT_READONLY) ?
1392 else if (retval == ENXIO)
1393 log_out(ctx, _("Possibly non-existent or "
1395 else if (retval == EBUSY)
1396 log_out(ctx, _("Filesystem mounted or opened "
1397 "exclusively by another program?\n"));
1398 else if (retval == ENOENT)
1399 log_out(ctx, _("Possibly non-existent device?\n"));
1401 else if (retval == EROFS)
1402 log_out(ctx, _("Disk write-protected; use the -n "
1403 "option to do a read-only\n"
1404 "check of the device.\n"));
1407 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
1408 fatal_error(ctx, 0);
1411 * We only update the master superblock because (a) paranoia;
1412 * we don't want to corrupt the backup superblocks, and (b) we
1413 * don't need to update the mount count and last checked
1414 * fields in the backup superblock (the kernel doesn't update
1415 * the backup superblocks anyway). With newer versions of the
1416 * library this flag is set by ext2fs_open2(), but we set this
1417 * here just to be sure. (No, we don't support e2fsck running
1418 * with some other libext2fs than the one that it was shipped
1419 * with, but just in case....)
1421 fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
1423 if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) {
1424 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super);
1425 int need_restart = 0;
1427 pctx.errcode = ext2fs_get_device_size2(ctx->filesystem_name,
1431 * The floppy driver refuses to allow anyone else to
1432 * open the device if has been opened with O_EXCL;
1433 * this is unlike other block device drivers in Linux.
1434 * To handle this, we close the filesystem and then
1435 * reopen the filesystem after we get the device size.
1437 if (pctx.errcode == EBUSY) {
1441 ext2fs_get_device_size2(ctx->filesystem_name,
1445 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED)
1446 ctx->num_blocks = 0;
1447 else if (pctx.errcode) {
1448 fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx);
1449 ctx->flags |= E2F_FLAG_ABORT;
1450 fatal_error(ctx, 0);
1452 ctx->flags |= E2F_FLAG_GOT_DEVSIZE;
1458 fs->priv_data = ctx;
1462 if (sb->s_rev_level > E2FSCK_CURRENT_REV) {
1463 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH,
1464 _("while trying to open %s"),
1465 ctx->filesystem_name);
1467 fatal_error(ctx, _("Get a newer version of e2fsck!"));
1471 * Set the device name, which is used whenever we print error
1472 * or informational messages to the user.
1474 if (ctx->device_name == 0 &&
1475 (sb->s_volume_name[0] != 0)) {
1476 ctx->device_name = string_copy(ctx, sb->s_volume_name,
1477 sizeof(sb->s_volume_name));
1479 if (ctx->device_name == 0)
1480 ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0);
1481 for (cp = ctx->device_name; *cp; cp++)
1482 if (isspace(*cp) || *cp == ':')
1485 ehandler_init(fs->io);
1487 if ((fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) &&
1488 (flags & EXT2_FLAG_SKIP_MMP)) {
1489 if (e2fsck_check_mmp(fs, ctx))
1490 fatal_error(ctx, 0);
1493 * Restart in order to reopen fs but this time start mmp.
1497 flags &= ~EXT2_FLAG_SKIP_MMP;
1502 fprintf(ctx->logf, "Filesystem UUID: %s\n",
1503 e2p_uuid2str(sb->s_uuid));
1505 if ((ctx->mount_flags & EXT2_MF_MOUNTED) &&
1506 !(sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER))
1510 * Make sure the ext3 superblock fields are consistent.
1512 retval = e2fsck_check_ext3_journal(ctx);
1514 com_err(ctx->program_name, retval,
1515 _("while checking ext3 journal for %s"),
1517 fatal_error(ctx, 0);
1521 * Check to see if we need to do ext3-style recovery. If so,
1522 * do it, and then restart the fsck.
1524 if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) {
1525 if (ctx->options & E2F_OPT_READONLY) {
1526 log_out(ctx, _("Warning: skipping journal recovery "
1527 "because doing a read-only filesystem "
1529 io_channel_flush(ctx->fs->io);
1531 if (ctx->flags & E2F_FLAG_RESTARTED) {
1533 * Whoops, we attempted to run the
1534 * journal twice. This should never
1535 * happen, unless the hardware or
1536 * device driver is being bogus.
1538 com_err(ctx->program_name, 0,
1539 _("unable to set superblock flags on %s\n"), ctx->device_name);
1540 fatal_error(ctx, 0);
1542 retval = e2fsck_run_ext3_journal(ctx);
1544 com_err(ctx->program_name, retval,
1545 _("while recovering ext3 journal of %s"),
1547 fatal_error(ctx, 0);
1549 ext2fs_close(ctx->fs);
1551 ctx->flags |= E2F_FLAG_RESTARTED;
1558 * Check for compatibility with the feature sets. We need to
1559 * be more stringent than ext2fs_open().
1561 features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP;
1562 features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP;
1563 features[2] = (sb->s_feature_ro_compat &
1564 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
1565 print_unsupp_features:
1566 if (features[0] || features[1] || features[2]) {
1568 __u32 *mask = features, m;
1570 log_err(ctx, _("%s has unsupported feature(s):"),
1571 ctx->filesystem_name);
1573 for (i=0; i <3; i++,mask++) {
1574 for (j=0,m=1; j < 32; j++, m<<=1) {
1577 e2p_feature2string(i, m));
1583 #ifdef ENABLE_COMPRESSION
1584 if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION)
1585 log_err(ctx, _("%s: warning: compression support "
1586 "is experimental.\n"),
1589 #ifndef ENABLE_HTREE
1590 if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) {
1591 log_err(ctx, _("%s: e2fsck not compiled with HTREE support,\n\t"
1592 "but filesystem %s has HTREE directories.\n"),
1593 ctx->program_name, ctx->device_name);
1599 * If the user specified a specific superblock, presumably the
1600 * master superblock has been trashed. So we mark the
1601 * superblock as dirty, so it can be written out.
1603 if (ctx->superblock &&
1604 !(ctx->options & E2F_OPT_READONLY))
1605 ext2fs_mark_super_dirty(fs);
1608 * Calculate the number of filesystem blocks per pagesize. If
1609 * fs->blocksize > page_size, set the number of blocks per
1610 * pagesize to 1 to avoid division by zero errors.
1613 sysval = sysconf(_SC_PAGESIZE);
1615 sys_page_size = sysval;
1616 #endif /* _SC_PAGESIZE */
1617 ctx->blocks_per_page = sys_page_size / fs->blocksize;
1618 if (ctx->blocks_per_page == 0)
1619 ctx->blocks_per_page = 1;
1621 if (ctx->superblock)
1622 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0);
1623 ext2fs_mark_valid(fs);
1624 check_super_block(ctx);
1625 if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1626 fatal_error(ctx, 0);
1629 if (EXT2_GOOD_OLD_INODE_SIZE + sb->s_want_extra_isize >
1630 EXT2_INODE_SIZE(sb)) {
1631 if (fix_problem(ctx, PR_0_WANT_EXTRA_ISIZE_INVALID, &pctx))
1632 sb->s_want_extra_isize =
1633 sizeof(struct ext2_inode_large) -
1634 EXT2_GOOD_OLD_INODE_SIZE;
1636 if (EXT2_GOOD_OLD_INODE_SIZE + sb->s_min_extra_isize >
1637 EXT2_INODE_SIZE(sb)) {
1638 if (fix_problem(ctx, PR_0_MIN_EXTRA_ISIZE_INVALID, &pctx))
1639 sb->s_min_extra_isize = 0;
1641 if (EXT2_INODE_SIZE(sb) > EXT2_GOOD_OLD_INODE_SIZE) {
1642 ctx->want_extra_isize = sizeof(struct ext2_inode_large) -
1643 EXT2_GOOD_OLD_INODE_SIZE;
1644 ctx->min_extra_isize = ~0L;
1645 if (EXT2_HAS_RO_COMPAT_FEATURE(sb,
1646 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE)) {
1647 if (ctx->want_extra_isize < sb->s_want_extra_isize)
1648 ctx->want_extra_isize = sb->s_want_extra_isize;
1649 if (ctx->want_extra_isize < sb->s_min_extra_isize)
1650 ctx->want_extra_isize = sb->s_min_extra_isize;
1653 if (sb->s_feature_ro_compat &
1654 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE) {
1655 fix_problem(ctx, PR_0_CLEAR_EXTRA_ISIZE, &pctx);
1656 sb->s_feature_ro_compat &=
1657 ~EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE;
1659 sb->s_want_extra_isize = 0;
1660 sb->s_min_extra_isize = 0;
1661 ctx->flags &= ~E2F_FLAG_EXPAND_EISIZE;
1664 if (ctx->options & E2F_OPT_READONLY) {
1665 if (ctx->flags & (E2F_FLAG_EXPAND_EISIZE)) {
1666 fprintf(stderr, _("Cannot enable EXTRA_ISIZE feature "
1667 "on read-only filesystem\n"));
1671 if (sb->s_want_extra_isize > sb->s_min_extra_isize &&
1672 (sb->s_feature_ro_compat &
1673 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))
1674 ctx->flags |= E2F_FLAG_EXPAND_EISIZE;
1677 check_resize_inode(ctx);
1678 if (bad_blocks_file)
1679 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks);
1681 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */
1682 if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1683 fatal_error(ctx, 0);
1686 * Mark the system as valid, 'til proven otherwise
1688 ext2fs_mark_valid(fs);
1690 retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
1692 log_out(ctx, _("%s: %s while reading bad blocks inode\n"),
1693 ctx->program_name, error_message(retval));
1695 log_out(ctx, _("This doesn't bode well, "
1696 "but we'll try to go on...\n"));
1700 * Save the journal size in megabytes.
1701 * Try and use the journal size from the backup else let e2fsck
1702 * find the default journal size.
1704 if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS)
1705 journal_size = (sb->s_jnl_blocks[15] << (32 - 20)) |
1706 (sb->s_jnl_blocks[16] >> 20);
1710 if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_QUOTA) {
1711 /* Quotas were enabled. Do quota accounting during fsck. */
1712 if ((sb->s_usr_quota_inum && sb->s_grp_quota_inum) ||
1713 (!sb->s_usr_quota_inum && !sb->s_grp_quota_inum))
1716 qtype = sb->s_usr_quota_inum ? USRQUOTA : GRPQUOTA;
1718 quota_init_context(&ctx->qctx, ctx->fs, qtype);
1721 run_result = e2fsck_run(ctx);
1722 e2fsck_clear_progbar(ctx);
1724 if (ctx->flags & E2F_FLAG_JOURNAL_INODE) {
1725 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) {
1726 if (journal_size < 1024)
1727 journal_size = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super));
1728 if (journal_size < 0) {
1729 fs->super->s_feature_compat &=
1730 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1731 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
1732 log_out(ctx, "%s: Couldn't determine "
1733 "journal size\n", ctx->program_name);
1736 log_out(ctx, _("Creating journal (%d blocks): "),
1739 retval = ext2fs_add_journal_inode(fs,
1742 log_out(ctx, "%s: while trying to create "
1743 "journal\n", error_message(retval));
1746 log_out(ctx, _(" Done.\n"));
1747 log_out(ctx, _("\n*** journal has been re-created - "
1748 "filesystem is now ext3 again ***\n"));
1754 int i, needs_writeout;
1755 for (i = 0; i < MAXQUOTAS; i++) {
1756 if (qtype != -1 && qtype != i)
1760 retval = quota_compare_and_update(ctx->qctx, i,
1762 if ((retval || needs_writeout) &&
1763 fix_problem(ctx, PR_6_UPDATE_QUOTAS, &pctx))
1764 quota_write_inode(ctx->qctx, i);
1766 quota_release_context(&ctx->qctx);
1769 if (run_result == E2F_FLAG_RESTART) {
1770 log_out(ctx, _("Restarting e2fsck from the beginning...\n"));
1771 retval = e2fsck_reset_context(ctx);
1773 com_err(ctx->program_name, retval,
1774 _("while resetting context"));
1775 fatal_error(ctx, 0);
1780 if (run_result & E2F_FLAG_CANCEL) {
1781 log_out(ctx, _("%s: e2fsck canceled.\n"), ctx->device_name ?
1782 ctx->device_name : ctx->filesystem_name);
1783 exit_value |= FSCK_CANCELED;
1785 if (run_result & E2F_FLAG_ABORT)
1786 fatal_error(ctx, _("aborted"));
1787 if (check_backup_super_block(ctx)) {
1788 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
1789 ext2fs_mark_super_dirty(fs);
1793 mtrace_print("Cleanup");
1795 if (ext2fs_test_changed(fs)) {
1796 exit_value |= FSCK_NONDESTRUCT;
1797 if (!(ctx->options & E2F_OPT_PREEN))
1798 log_out(ctx, _("\n%s: ***** FILE SYSTEM WAS "
1799 "MODIFIED *****\n"),
1801 if (ctx->mount_flags & EXT2_MF_ISROOT) {
1802 log_out(ctx, _("%s: ***** REBOOT LINUX *****\n"),
1804 exit_value |= FSCK_REBOOT;
1807 if (!ext2fs_test_valid(fs) ||
1808 ((exit_value & FSCK_CANCELED) &&
1809 (sb->s_state & EXT2_ERROR_FS))) {
1810 log_out(ctx, _("\n%s: ********** WARNING: Filesystem still has "
1811 "errors **********\n\n"), ctx->device_name);
1812 exit_value |= FSCK_UNCORRECTED;
1813 exit_value &= ~FSCK_NONDESTRUCT;
1815 if (exit_value & FSCK_CANCELED) {
1816 int allow_cancellation;
1818 profile_get_boolean(ctx->profile, "options",
1819 "allow_cancellation", 0, 0,
1820 &allow_cancellation);
1821 exit_value &= ~FSCK_NONDESTRUCT;
1822 if (allow_cancellation && ext2fs_test_valid(fs) &&
1823 (sb->s_state & EXT2_VALID_FS) &&
1824 !(sb->s_state & EXT2_ERROR_FS))
1828 if (!(ctx->options & E2F_OPT_READONLY)) {
1829 if (ext2fs_test_valid(fs)) {
1830 if (!(sb->s_state & EXT2_VALID_FS))
1831 exit_value |= FSCK_NONDESTRUCT;
1832 sb->s_state = EXT2_VALID_FS;
1834 sb->s_state &= ~EXT2_VALID_FS;
1835 sb->s_mnt_count = 0;
1836 if (!(ctx->flags & E2F_FLAG_TIME_INSANE))
1837 sb->s_lastcheck = ctx->now;
1838 memset(((char *) sb) + EXT4_S_ERR_START, 0,
1840 ext2fs_mark_super_dirty(fs);
1844 if ((run_result & E2F_FLAG_CANCEL) == 0 &&
1845 sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM &&
1846 !(ctx->options & E2F_OPT_READONLY)) {
1847 retval = ext2fs_set_gdt_csum(ctx->fs);
1849 com_err(ctx->program_name, retval,
1850 _("while setting block group checksum info"));
1851 fatal_error(ctx, 0);
1855 e2fsck_write_bitmaps(ctx);
1856 io_channel_flush(ctx->fs->io);
1857 print_resource_track(ctx, NULL, &ctx->global_rtrack, ctx->fs->io);
1861 free(ctx->journal_name);
1863 e2fsck_free_context(ctx);
1864 remove_error_table(&et_ext2_error_table);
1865 remove_error_table(&et_prof_error_table);