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
, "%s", _("\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
, "%s", _(""
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
;
106 int frag_percent_file
, frag_percent_dir
, frag_percent_total
;
107 int i
, j
, printed
= 0;
109 dir_links
= 2 * ctx
->fs_directory_count
- 1;
110 num_files
= ctx
->fs_total_count
- dir_links
;
111 num_links
= ctx
->fs_links_count
- dir_links
;
112 inodes
= fs
->super
->s_inodes_count
;
113 inodes_used
= (fs
->super
->s_inodes_count
-
114 fs
->super
->s_free_inodes_count
);
115 blocks
= ext2fs_blocks_count(fs
->super
);
116 blocks_used
= (ext2fs_blocks_count(fs
->super
) -
117 ext2fs_free_blocks_count(fs
->super
));
119 frag_percent_file
= (10000 * ctx
->fs_fragmented
) / inodes_used
;
120 frag_percent_file
= (frag_percent_file
+ 5) / 10;
122 frag_percent_dir
= (10000 * ctx
->fs_fragmented_dir
) / inodes_used
;
123 frag_percent_dir
= (frag_percent_dir
+ 5) / 10;
125 frag_percent_total
= ((10000 * (ctx
->fs_fragmented
+
126 ctx
->fs_fragmented_dir
))
128 frag_percent_total
= (frag_percent_total
+ 5) / 10;
131 log_out(ctx
, _("%s: %u/%u files (%0d.%d%% non-contiguous), "
132 "%llu/%llu blocks\n"),
133 ctx
->device_name
, inodes_used
, inodes
,
134 frag_percent_total
/ 10, frag_percent_total
% 10,
135 blocks_used
, blocks
);
138 profile_get_boolean(ctx
->profile
, "options", "report_features", 0, 0,
141 log_out(ctx
, "\nFilesystem features:");
142 mask
= &ctx
->fs
->super
->s_feature_compat
;
143 for (i
= 0; i
< 3; i
++, mask
++) {
144 for (j
= 0, m
= 1; j
< 32; j
++, m
<<= 1) {
147 e2p_feature2string(i
, m
));
153 log_out(ctx
, " (none)");
157 log_out(ctx
, P_("\n%12u inode used (%2.2f%%, out of %u)\n",
158 "\n%12u inodes used (%2.2f%%, out of %u)\n",
159 inodes_used
), inodes_used
,
160 100.0 * inodes_used
/ inodes
, inodes
);
161 log_out(ctx
, P_("%12u non-contiguous file (%0d.%d%%)\n",
162 "%12u non-contiguous files (%0d.%d%%)\n",
164 ctx
->fs_fragmented
, frag_percent_file
/ 10,
165 frag_percent_file
% 10);
166 log_out(ctx
, P_("%12u non-contiguous directory (%0d.%d%%)\n",
167 "%12u non-contiguous directories (%0d.%d%%)\n",
168 ctx
->fs_fragmented_dir
),
169 ctx
->fs_fragmented_dir
, frag_percent_dir
/ 10,
170 frag_percent_dir
% 10);
171 log_out(ctx
, _(" # of inodes with ind/dind/tind blocks: "
173 ctx
->fs_ind_count
, ctx
->fs_dind_count
, ctx
->fs_tind_count
);
175 for (j
=MAX_EXTENT_DEPTH_COUNT
-1; j
>=0; j
--)
176 if (ctx
->extent_depth_count
[j
])
179 log_out(ctx
, "%s", _(" Extent depth histogram: "));
180 for (i
=0; i
< j
; i
++) {
183 log_out(ctx
, "%u", ctx
->extent_depth_count
[i
]);
188 log_out(ctx
, P_("%12llu block used (%2.2f%%, out of %llu)\n",
189 "%12llu blocks used (%2.2f%%, out of %llu)\n",
191 blocks_used
, 100.0 * blocks_used
/ blocks
, blocks
);
192 log_out(ctx
, P_("%12u bad block\n", "%12u bad blocks\n",
193 ctx
->fs_badblocks_count
), ctx
->fs_badblocks_count
);
194 log_out(ctx
, P_("%12u large file\n", "%12u large files\n",
195 ctx
->large_files
), ctx
->large_files
);
196 log_out(ctx
, P_("\n%12u regular file\n", "\n%12u regular files\n",
197 ctx
->fs_regular_count
), ctx
->fs_regular_count
);
198 log_out(ctx
, P_("%12u directory\n", "%12u directories\n",
199 ctx
->fs_directory_count
), ctx
->fs_directory_count
);
200 log_out(ctx
, P_("%12u character device file\n",
201 "%12u character device files\n", ctx
->fs_chardev_count
),
202 ctx
->fs_chardev_count
);
203 log_out(ctx
, P_("%12u block device file\n", "%12u block device files\n",
204 ctx
->fs_blockdev_count
), ctx
->fs_blockdev_count
);
205 log_out(ctx
, P_("%12u fifo\n", "%12u fifos\n", ctx
->fs_fifo_count
),
207 log_out(ctx
, P_("%12u link\n", "%12u links\n", num_links
),
208 ctx
->fs_links_count
- dir_links
);
209 log_out(ctx
, P_("%12u symbolic link", "%12u symbolic links",
210 ctx
->fs_symlinks_count
), ctx
->fs_symlinks_count
);
211 log_out(ctx
, P_(" (%u fast symbolic link)\n",
212 " (%u fast symbolic links)\n",
213 ctx
->fs_fast_symlinks_count
),
214 ctx
->fs_fast_symlinks_count
);
215 log_out(ctx
, P_("%12u socket\n", "%12u sockets\n",
216 ctx
->fs_sockets_count
),
217 ctx
->fs_sockets_count
);
218 log_out(ctx
, "------------\n");
219 log_out(ctx
, P_("%12u file\n", "%12u files\n", num_files
),
223 static void check_mount(e2fsck_t ctx
)
228 retval
= ext2fs_check_if_mounted(ctx
->filesystem_name
,
231 com_err("ext2fs_check_if_mount", retval
,
232 _("while determining whether %s is mounted."),
233 ctx
->filesystem_name
);
238 * If the filesystem isn't mounted, or it's the root
239 * filesystem and it's mounted read-only, and we're not doing
240 * a read/write check, then everything's fine.
242 if ((!(ctx
->mount_flags
& (EXT2_MF_MOUNTED
| EXT2_MF_BUSY
))) ||
243 ((ctx
->mount_flags
& EXT2_MF_ISROOT
) &&
244 (ctx
->mount_flags
& EXT2_MF_READONLY
) &&
245 !(ctx
->options
& E2F_OPT_WRITECHECK
)))
248 if (((ctx
->options
& E2F_OPT_READONLY
) ||
249 ((ctx
->options
& E2F_OPT_FORCE
) &&
250 (ctx
->mount_flags
& EXT2_MF_READONLY
))) &&
251 !(ctx
->options
& E2F_OPT_WRITECHECK
)) {
252 if (ctx
->mount_flags
& EXT2_MF_MOUNTED
)
253 log_out(ctx
, _("Warning! %s is mounted.\n"),
254 ctx
->filesystem_name
);
256 log_out(ctx
, _("Warning! %s is in use.\n"),
257 ctx
->filesystem_name
);
261 if (ctx
->mount_flags
& EXT2_MF_MOUNTED
)
262 log_out(ctx
, _("%s is mounted.\n"), ctx
->filesystem_name
);
264 log_out(ctx
, _("%s is in use.\n"), ctx
->filesystem_name
);
265 if (!ctx
->interactive
|| ctx
->mount_flags
& EXT2_MF_BUSY
)
266 fatal_error(ctx
, _("Cannot continue, aborting.\n\n"));
267 puts("\007\007\007\007");
268 log_out(ctx
, "%s", _("\n\nWARNING!!! "
269 "The filesystem is mounted. "
270 "If you continue you ***WILL***\n"
271 "cause ***SEVERE*** filesystem damage.\n\n"));
272 puts("\007\007\007");
273 cont
= ask_yn(ctx
, _("Do you really want to continue"), 0);
275 printf("%s", _("check aborted.\n"));
281 static int is_on_batt(void)
285 char tmp
[80], tmp2
[80], fname
[80];
289 f
= fopen("/sys/class/power_supply/AC/online", "r");
291 if (fscanf(f
, "%u\n", &acflag
) == 1) {
297 f
= fopen("/proc/apm", "r");
299 if (fscanf(f
, "%s %s %s %x", tmp
, tmp
, tmp
, &acflag
) != 4)
302 return (acflag
!= 1);
304 d
= opendir("/proc/acpi/ac_adapter");
306 while ((de
=readdir(d
)) != NULL
) {
307 if (!strncmp(".", de
->d_name
, 1))
309 snprintf(fname
, 80, "/proc/acpi/ac_adapter/%s/state",
311 f
= fopen(fname
, "r");
314 if (fscanf(f
, "%s %s", tmp2
, tmp
) != 2)
317 if (strncmp(tmp
, "off-line", 8) == 0) {
328 * This routine checks to see if a filesystem can be skipped; if so,
329 * it will exit with E2FSCK_OK. Under some conditions it will print a
330 * message explaining why a check is being forced.
332 static void check_if_skip(e2fsck_t ctx
)
334 ext2_filsys fs
= ctx
->fs
;
335 struct problem_context pctx
;
336 const char *reason
= NULL
;
337 unsigned int reason_arg
= 0;
339 int batt
= is_on_batt();
340 int defer_check_on_battery
;
341 int broken_system_clock
;
344 if (ctx
->flags
& E2F_FLAG_PROBLEMS_FIXED
)
347 profile_get_boolean(ctx
->profile
, "options", "broken_system_clock",
348 0, 0, &broken_system_clock
);
349 if (ctx
->flags
& E2F_FLAG_TIME_INSANE
)
350 broken_system_clock
= 1;
351 profile_get_boolean(ctx
->profile
, "options",
352 "defer_check_on_battery", 0, 1,
353 &defer_check_on_battery
);
354 if (!defer_check_on_battery
)
357 if ((ctx
->options
& E2F_OPT_FORCE
) || bad_blocks_file
|| cflag
)
360 if (ctx
->options
& E2F_OPT_JOURNAL_ONLY
)
363 lastcheck
= fs
->super
->s_lastcheck
;
364 if (lastcheck
> ctx
->now
)
365 lastcheck
-= ctx
->time_fudge
;
366 if ((fs
->super
->s_state
& EXT2_ERROR_FS
) ||
367 !ext2fs_test_valid(fs
))
368 reason
= _(" contains a file system with errors");
369 else if ((fs
->super
->s_state
& EXT2_VALID_FS
) == 0)
370 reason
= _(" was not cleanly unmounted");
371 else if (check_backup_super_block(ctx
))
372 reason
= _(" primary superblock features different from backup");
373 else if ((fs
->super
->s_max_mnt_count
> 0) &&
374 (fs
->super
->s_mnt_count
>=
375 (unsigned) fs
->super
->s_max_mnt_count
)) {
376 reason
= _(" has been mounted %u times without being checked");
377 reason_arg
= fs
->super
->s_mnt_count
;
378 if (batt
&& (fs
->super
->s_mnt_count
<
379 (unsigned) fs
->super
->s_max_mnt_count
*2))
381 } else if (!broken_system_clock
&& fs
->super
->s_checkinterval
&&
382 (ctx
->now
< lastcheck
)) {
383 reason
= _(" has filesystem last checked time in the future");
386 } else if (!broken_system_clock
&& fs
->super
->s_checkinterval
&&
387 ((ctx
->now
- lastcheck
) >=
388 ((time_t) fs
->super
->s_checkinterval
))) {
389 reason
= _(" has gone %u days without being checked");
390 reason_arg
= (ctx
->now
- fs
->super
->s_lastcheck
)/(3600*24);
391 if (batt
&& ((ctx
->now
- fs
->super
->s_lastcheck
) <
392 fs
->super
->s_checkinterval
*2))
396 log_out(ctx
, "%s", ctx
->device_name
);
397 log_out(ctx
, reason
, reason_arg
);
398 log_out(ctx
, "%s", _(", check forced.\n"));
403 * Update the global counts from the block group counts. This
404 * is needed since modern kernels don't update the global
405 * counts so as to avoid locking the entire file system. So
406 * if the filesystem is not unmounted cleanly, the global
407 * counts may not be accurate. Update them here if we can,
408 * for the benefit of users who might examine the file system
409 * using dumpe2fs. (This is for cosmetic reasons only.)
411 clear_problem_context(&pctx
);
412 pctx
.ino
= fs
->super
->s_free_inodes_count
;
413 pctx
.ino2
= ctx
->free_inodes
;
414 if ((pctx
.ino
!= pctx
.ino2
) &&
415 !(ctx
->options
& E2F_OPT_READONLY
) &&
416 fix_problem(ctx
, PR_0_FREE_INODE_COUNT
, &pctx
)) {
417 fs
->super
->s_free_inodes_count
= ctx
->free_inodes
;
418 ext2fs_mark_super_dirty(fs
);
420 clear_problem_context(&pctx
);
421 pctx
.blk
= ext2fs_free_blocks_count(fs
->super
);
422 pctx
.blk2
= ctx
->free_blocks
;
423 if ((pctx
.blk
!= pctx
.blk2
) &&
424 !(ctx
->options
& E2F_OPT_READONLY
) &&
425 fix_problem(ctx
, PR_0_FREE_BLOCK_COUNT
, &pctx
)) {
426 ext2fs_free_blocks_count_set(fs
->super
, ctx
->free_blocks
);
427 ext2fs_mark_super_dirty(fs
);
430 /* Print the summary message when we're skipping a full check */
431 log_out(ctx
, _("%s: clean, %u/%u files, %llu/%llu blocks"),
433 fs
->super
->s_inodes_count
- fs
->super
->s_free_inodes_count
,
434 fs
->super
->s_inodes_count
,
435 ext2fs_blocks_count(fs
->super
) -
436 ext2fs_free_blocks_count(fs
->super
),
437 ext2fs_blocks_count(fs
->super
));
439 if (fs
->super
->s_max_mnt_count
> 0) {
440 next_check
= fs
->super
->s_max_mnt_count
- fs
->super
->s_mnt_count
;
444 if (!broken_system_clock
&& fs
->super
->s_checkinterval
&&
445 ((ctx
->now
- fs
->super
->s_lastcheck
) >= fs
->super
->s_checkinterval
))
447 if (next_check
<= 5) {
448 if (next_check
== 1) {
451 _(" (check deferred; on battery)"));
454 _(" (check after next mount)"));
456 log_out(ctx
, _(" (check in %ld mounts)"),
461 ext2fs_close_free(&fs
);
462 e2fsck_free_context(ctx
);
467 * For completion notice
473 static struct percent_tbl e2fsck_tbl
= {
474 5, { 0, 70, 90, 92, 95, 100 }
476 static char bar
[128], spaces
[128];
478 static float calc_percent(struct percent_tbl
*tbl
, int pass
, int curr
,
485 if (pass
> tbl
->max_pass
|| max
== 0)
487 percent
= ((float) curr
) / ((float) max
);
488 return ((percent
* (tbl
->table
[pass
] - tbl
->table
[pass
-1]))
489 + tbl
->table
[pass
-1]);
492 void e2fsck_clear_progbar(e2fsck_t ctx
)
494 if (!(ctx
->flags
& E2F_FLAG_PROG_BAR
))
497 printf("%s%s\r%s", ctx
->start_meta
, spaces
+ (sizeof(spaces
) - 80),
500 ctx
->flags
&= ~E2F_FLAG_PROG_BAR
;
503 int e2fsck_simple_progress(e2fsck_t ctx
, const char *label
, float percent
,
506 static const char spinner
[] = "\\|/-";
513 if (ctx
->flags
& E2F_FLAG_PROG_SUPPRESS
)
517 * Calculate the new progress position. If the
518 * percentage hasn't changed, then we skip out right
521 fixed_percent
= (int) ((10 * percent
) + 0.5);
522 if (ctx
->progress_last_percent
== fixed_percent
)
524 ctx
->progress_last_percent
= fixed_percent
;
527 * If we've already updated the spinner once within
528 * the last 1/8th of a second, no point doing it
531 gettimeofday(&tv
, NULL
);
532 tick
= (tv
.tv_sec
<< 3) + (tv
.tv_usec
/ (1000000 / 8));
533 if ((tick
== ctx
->progress_last_time
) &&
534 (fixed_percent
!= 0) && (fixed_percent
!= 1000))
536 ctx
->progress_last_time
= tick
;
539 * Advance the spinner, and note that the progress bar
540 * will be on the screen
542 ctx
->progress_pos
= (ctx
->progress_pos
+1) & 3;
543 ctx
->flags
|= E2F_FLAG_PROG_BAR
;
545 dpywidth
= 66 - strlen(label
);
546 dpywidth
= 8 * (dpywidth
/ 8);
550 i
= ((percent
* dpywidth
) + 50) / 100;
551 printf("%s%s: |%s%s", ctx
->start_meta
, label
,
552 bar
+ (sizeof(bar
) - (i
+1)),
553 spaces
+ (sizeof(spaces
) - (dpywidth
- i
+ 1)));
554 if (fixed_percent
== 1000)
557 fputc(spinner
[ctx
->progress_pos
& 3], stdout
);
558 printf(" %4.1f%% ", percent
);
560 printf("%u\r", dpynum
);
562 fputs(" \r", stdout
);
563 fputs(ctx
->stop_meta
, stdout
);
565 if (fixed_percent
== 1000)
566 e2fsck_clear_progbar(ctx
);
572 static int e2fsck_update_progress(e2fsck_t ctx
, int pass
,
573 unsigned long cur
, unsigned long max
)
581 if (ctx
->progress_fd
) {
582 snprintf(buf
, sizeof(buf
), "%d %lu %lu %s\n",
583 pass
, cur
, max
, ctx
->device_name
);
584 write_all(ctx
->progress_fd
, buf
, strlen(buf
));
586 percent
= calc_percent(&e2fsck_tbl
, pass
, cur
, max
);
587 e2fsck_simple_progress(ctx
, ctx
->device_name
,
593 #define PATH_SET "PATH=/sbin"
596 * Make sure 0,1,2 file descriptors are open, so that we don't open
597 * the filesystem using the same file descriptor as stdout or stderr.
599 static void reserve_stdio_fds(void)
604 fd
= open("/dev/null", O_RDWR
);
606 fprintf(stderr
, _("ERROR: Couldn't open "
615 static void signal_progress_on(int sig
EXT2FS_ATTR((unused
)))
617 e2fsck_t ctx
= e2fsck_global_ctx
;
622 ctx
->progress
= e2fsck_update_progress
;
625 static void signal_progress_off(int sig
EXT2FS_ATTR((unused
)))
627 e2fsck_t ctx
= e2fsck_global_ctx
;
632 e2fsck_clear_progbar(ctx
);
636 static void signal_cancel(int sig
EXT2FS_ATTR((unused
)))
638 e2fsck_t ctx
= e2fsck_global_ctx
;
643 ctx
->flags
|= E2F_FLAG_CANCEL
;
647 static void parse_extended_opts(e2fsck_t ctx
, const char *opts
)
649 char *buf
, *token
, *next
, *p
, *arg
;
651 int extended_usage
= 0;
653 buf
= string_copy(ctx
, opts
, 0);
654 for (token
= buf
; token
&& *token
; token
= next
) {
655 p
= strchr(token
, ',');
661 arg
= strchr(token
, '=');
666 if (strcmp(token
, "ea_ver") == 0) {
671 ea_ver
= strtoul(arg
, &p
, 0);
673 ((ea_ver
!= 1) && (ea_ver
!= 2))) {
674 fprintf(stderr
, "%s",
675 _("Invalid EA version.\n"));
679 ctx
->ext_attr_ver
= ea_ver
;
680 } else if (strcmp(token
, "fragcheck") == 0) {
681 ctx
->options
|= E2F_OPT_FRAGCHECK
;
683 } else if (strcmp(token
, "journal_only") == 0) {
688 ctx
->options
|= E2F_OPT_JOURNAL_ONLY
;
689 } else if (strcmp(token
, "discard") == 0) {
690 ctx
->options
|= E2F_OPT_DISCARD
;
692 } else if (strcmp(token
, "nodiscard") == 0) {
693 ctx
->options
&= ~E2F_OPT_DISCARD
;
695 } else if (strcmp(token
, "log_filename") == 0) {
699 ctx
->log_fn
= string_copy(ctx
, arg
, 0);
702 fprintf(stderr
, _("Unknown extended option: %s\n"),
709 if (extended_usage
) {
710 fputs(("\nExtended options are separated by commas, "
711 "and may take an argument which\n"
712 "is set off by an equals ('=') sign. "
713 "Valid extended options are:\n"), stderr
);
714 fputs(("\tea_ver=<ea_version (1 or 2)>\n"), stderr
);
715 fputs(("\tfragcheck\n"), stderr
);
716 fputs(("\tjournal_only\n"), stderr
);
717 fputs(("\tdiscard\n"), stderr
);
718 fputs(("\tnodiscard\n"), stderr
);
724 static void syntax_err_report(const char *filename
, long err
, int line_num
)
727 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"),
728 filename
, line_num
, error_message(err
));
732 static const char *config_fn
[] = { ROOT_SYSCONFDIR
"/e2fsck.conf", 0 };
734 static errcode_t
PRS(int argc
, char *argv
[], e2fsck_t
*ret_ctx
)
739 extern void *mallwatch
;
746 char *extended_opts
= 0;
748 int res
; /* result of sscanf */
749 #ifdef CONFIG_JBD_DEBUG
753 retval
= e2fsck_allocate_context(&ctx
);
758 e2fsck_global_ctx
= ctx
;
760 setvbuf(stdout
, NULL
, _IONBF
, BUFSIZ
);
761 setvbuf(stderr
, NULL
, _IONBF
, BUFSIZ
);
762 if (isatty(0) && isatty(1)) {
763 ctx
->interactive
= 1;
765 ctx
->start_meta
[0] = '\001';
766 ctx
->stop_meta
[0] = '\002';
768 memset(bar
, '=', sizeof(bar
)-1);
769 memset(spaces
, ' ', sizeof(spaces
)-1);
770 add_error_table(&et_ext2_error_table
);
771 add_error_table(&et_prof_error_table
);
772 blkid_get_cache(&ctx
->blkid
, NULL
);
775 ctx
->program_name
= *argv
;
777 ctx
->program_name
= "e2fsck";
779 while ((c
= getopt (argc
, argv
, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF
)
782 ctx
->progress
= e2fsck_update_progress
;
783 res
= sscanf(optarg
, "%d", &ctx
->progress_fd
);
787 if (ctx
->progress_fd
< 0) {
789 ctx
->progress_fd
= ctx
->progress_fd
* -1;
791 if (!ctx
->progress_fd
)
793 /* Validate the file descriptor to avoid disasters */
794 fd
= dup(ctx
->progress_fd
);
797 _("Error validating file descriptor %d: %s\n"),
799 error_message(errno
));
801 _("Invalid completion information file descriptor"));
806 ctx
->options
|= E2F_OPT_COMPRESS_DIRS
;
809 extended_opts
= optarg
;
813 if (ctx
->options
& (E2F_OPT_YES
|E2F_OPT_NO
)) {
816 _("Only one of the options -p/-a, -n or -y may be specified."));
818 ctx
->options
|= E2F_OPT_PREEN
;
821 if (ctx
->options
& (E2F_OPT_YES
|E2F_OPT_PREEN
))
823 ctx
->options
|= E2F_OPT_NO
;
826 if (ctx
->options
& (E2F_OPT_PREEN
|E2F_OPT_NO
))
828 ctx
->options
|= E2F_OPT_YES
;
831 #ifdef RESOURCE_TRACK
832 if (ctx
->options
& E2F_OPT_TIME
)
833 ctx
->options
|= E2F_OPT_TIME2
;
835 ctx
->options
|= E2F_OPT_TIME
;
837 fprintf(stderr
, _("The -t option is not "
838 "supported on this version of e2fsck.\n"));
843 ctx
->options
|= E2F_OPT_WRITECHECK
;
844 ctx
->options
|= E2F_OPT_CHECKBLOCKS
;
847 /* What we do by default, anyway! */
850 res
= sscanf(optarg
, "%llu", &ctx
->use_superblock
);
853 ctx
->flags
|= E2F_FLAG_SB_SPECIFIED
;
856 ctx
->blocksize
= atoi(optarg
);
859 res
= sscanf(optarg
, "%d", &ctx
->inode_buffer_blocks
);
864 ctx
->journal_name
= blkid_get_devname(ctx
->blkid
,
866 if (!ctx
->journal_name
) {
867 com_err(ctx
->program_name
, 0,
868 _("Unable to resolve '%s'"),
874 res
= sscanf(optarg
, "%d", &ctx
->process_inode_size
);
879 replace_bad_blocks
++;
882 free(bad_blocks_file
);
883 bad_blocks_file
= string_copy(ctx
, optarg
, 0);
886 ctx
->options
|= E2F_OPT_DEBUG
;
889 ctx
->options
|= E2F_OPT_FORCE
;
898 show_version_only
= 1;
902 mallwatch
= (void *) strtol(optarg
, NULL
, 0);
906 ctx
->device_name
= string_copy(ctx
, optarg
, 0);
914 if (show_version_only
)
916 if (optind
!= argc
- 1)
918 if ((ctx
->options
& E2F_OPT_NO
) &&
919 (ctx
->options
& E2F_OPT_COMPRESS_DIRS
)) {
920 com_err(ctx
->program_name
, 0, "%s",
921 _("The -n and -D options are incompatible."));
924 if ((ctx
->options
& E2F_OPT_NO
) && cflag
) {
925 com_err(ctx
->program_name
, 0, "%s",
926 _("The -n and -c options are incompatible."));
929 if ((ctx
->options
& E2F_OPT_NO
) && bad_blocks_file
) {
930 com_err(ctx
->program_name
, 0, "%s",
931 _("The -n and -l/-L options are incompatible."));
934 if (ctx
->options
& E2F_OPT_NO
)
935 ctx
->options
|= E2F_OPT_READONLY
;
937 ctx
->io_options
= strchr(argv
[optind
], '?');
939 *ctx
->io_options
++ = 0;
940 ctx
->filesystem_name
= blkid_get_devname(ctx
->blkid
, argv
[optind
], 0);
941 if (!ctx
->filesystem_name
) {
942 com_err(ctx
->program_name
, 0, _("Unable to resolve '%s'"),
947 parse_extended_opts(ctx
, extended_opts
);
949 if ((cp
= getenv("E2FSCK_CONFIG")) != NULL
)
951 profile_set_syntax_err_cb(syntax_err_report
);
952 profile_init(config_fn
, &ctx
->profile
);
954 profile_get_boolean(ctx
->profile
, "options", "report_time", 0, 0,
957 ctx
->options
|= E2F_OPT_TIME
| E2F_OPT_TIME2
;
958 profile_get_boolean(ctx
->profile
, "options", "report_verbose", 0, 0,
963 /* Turn off discard in read-only mode */
964 if ((ctx
->options
& E2F_OPT_NO
) &&
965 (ctx
->options
& E2F_OPT_DISCARD
))
966 ctx
->options
&= ~E2F_OPT_DISCARD
;
969 fd
= open(ctx
->filesystem_name
, O_RDONLY
, 0);
971 com_err("open", errno
,
972 _("while opening %s for flushing"),
973 ctx
->filesystem_name
);
976 if ((retval
= ext2fs_sync_device(fd
, 1))) {
977 com_err("ext2fs_sync_device", retval
,
978 _("while trying to flush %s"),
979 ctx
->filesystem_name
);
984 if (cflag
&& bad_blocks_file
) {
985 fprintf(stderr
, "%s", _("The -c and the -l/-L options may not "
986 "be both used at the same time.\n"));
991 * Set up signal action
993 memset(&sa
, 0, sizeof(struct sigaction
));
994 sa
.sa_handler
= signal_cancel
;
995 sigaction(SIGINT
, &sa
, 0);
996 sigaction(SIGTERM
, &sa
, 0);
998 sa
.sa_flags
= SA_RESTART
;
1000 sa
.sa_handler
= signal_progress_on
;
1001 sigaction(SIGUSR1
, &sa
, 0);
1002 sa
.sa_handler
= signal_progress_off
;
1003 sigaction(SIGUSR2
, &sa
, 0);
1006 /* Update our PATH to include /sbin if we need to run badblocks */
1008 char *oldpath
= getenv("PATH");
1010 int len
= sizeof(PATH_SET
) + 1;
1013 len
+= strlen(oldpath
);
1015 newpath
= malloc(len
);
1017 fatal_error(ctx
, "Couldn't malloc() newpath");
1018 strcpy(newpath
, PATH_SET
);
1021 strcat(newpath
, ":");
1022 strcat(newpath
, oldpath
);
1026 #ifdef CONFIG_JBD_DEBUG
1027 jbd_debug
= getenv("E2FSCK_JBD_DEBUG");
1029 res
= sscanf(jbd_debug
, "%d", &journal_enable_debug
);
1032 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"),
1041 fprintf(stderr
, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"),
1046 static errcode_t
try_open_fs(e2fsck_t ctx
, int flags
, io_manager io_ptr
,
1047 ext2_filsys
*ret_fs
)
1052 if (ctx
->superblock
&& ctx
->blocksize
) {
1053 retval
= ext2fs_open2(ctx
->filesystem_name
, ctx
->io_options
,
1054 flags
, ctx
->superblock
, ctx
->blocksize
,
1056 } else if (ctx
->superblock
) {
1058 for (blocksize
= EXT2_MIN_BLOCK_SIZE
;
1059 blocksize
<= EXT2_MAX_BLOCK_SIZE
; blocksize
*= 2) {
1061 ext2fs_free(*ret_fs
);
1064 retval
= ext2fs_open2(ctx
->filesystem_name
,
1065 ctx
->io_options
, flags
,
1066 ctx
->superblock
, blocksize
,
1072 retval
= ext2fs_open2(ctx
->filesystem_name
, ctx
->io_options
,
1073 flags
, 0, 0, io_ptr
, ret_fs
);
1076 (*ret_fs
)->priv_data
= ctx
;
1077 e2fsck_set_bitmap_type(*ret_fs
, EXT2FS_BMAP64_RBTREE
,
1083 static const char *my_ver_string
= E2FSPROGS_VERSION
;
1084 static const char *my_ver_date
= E2FSPROGS_DATE
;
1086 static errcode_t
e2fsck_check_mmp(ext2_filsys fs
, e2fsck_t ctx
)
1088 struct mmp_struct
*mmp_s
;
1089 unsigned int mmp_check_interval
;
1090 errcode_t retval
= 0;
1091 struct problem_context pctx
;
1092 unsigned int wait_time
= 0;
1094 clear_problem_context(&pctx
);
1095 if (fs
->mmp_buf
== NULL
) {
1096 retval
= ext2fs_get_mem(fs
->blocksize
, &fs
->mmp_buf
);
1101 retval
= ext2fs_mmp_read(fs
, fs
->super
->s_mmp_block
, fs
->mmp_buf
);
1105 mmp_s
= fs
->mmp_buf
;
1107 mmp_check_interval
= fs
->super
->s_mmp_update_interval
;
1108 if (mmp_check_interval
< EXT4_MMP_MIN_CHECK_INTERVAL
)
1109 mmp_check_interval
= EXT4_MMP_MIN_CHECK_INTERVAL
;
1112 * If check_interval in MMP block is larger, use that instead of
1113 * check_interval from the superblock.
1115 if (mmp_s
->mmp_check_interval
> mmp_check_interval
)
1116 mmp_check_interval
= mmp_s
->mmp_check_interval
;
1118 wait_time
= mmp_check_interval
* 2 + 1;
1120 if (mmp_s
->mmp_seq
== EXT4_MMP_SEQ_CLEAN
)
1122 else if (mmp_s
->mmp_seq
== EXT4_MMP_SEQ_FSCK
)
1123 retval
= EXT2_ET_MMP_FSCK_ON
;
1124 else if (mmp_s
->mmp_seq
> EXT4_MMP_SEQ_MAX
)
1125 retval
= EXT2_ET_MMP_UNKNOWN_SEQ
;
1130 /* Print warning if e2fck will wait for more than 20 secs. */
1131 if (verbose
|| wait_time
> EXT4_MMP_MIN_CHECK_INTERVAL
* 4) {
1132 log_out(ctx
, _("MMP interval is %u seconds and total wait "
1133 "time is %u seconds. Please wait...\n"),
1134 mmp_check_interval
, wait_time
* 2);
1141 if (retval
== EXT2_ET_MMP_BAD_BLOCK
) {
1142 if (fix_problem(ctx
, PR_0_MMP_INVALID_BLK
, &pctx
)) {
1143 fs
->super
->s_mmp_block
= 0;
1144 ext2fs_mark_super_dirty(fs
);
1147 } else if (retval
== EXT2_ET_MMP_FAILED
) {
1148 com_err(ctx
->program_name
, retval
, "%s",
1149 _("while checking MMP block"));
1150 dump_mmp_msg(fs
->mmp_buf
, NULL
);
1151 } else if (retval
== EXT2_ET_MMP_FSCK_ON
||
1152 retval
== EXT2_ET_MMP_UNKNOWN_SEQ
) {
1153 com_err(ctx
->program_name
, retval
, "%s",
1154 _("while checking MMP block"));
1155 dump_mmp_msg(fs
->mmp_buf
,
1156 _("If you are sure the filesystem is not "
1157 "in use on any node, run:\n"
1158 "'tune2fs -f -E clear_mmp {device}'\n"));
1159 } else if (retval
== EXT2_ET_MMP_MAGIC_INVALID
) {
1160 if (fix_problem(ctx
, PR_0_MMP_INVALID_MAGIC
, &pctx
)) {
1161 ext2fs_mmp_clear(fs
);
1164 } else if (retval
== EXT2_ET_MMP_CSUM_INVALID
) {
1165 if (fix_problem(ctx
, PR_0_MMP_CSUM_INVALID
, &pctx
)) {
1166 ext2fs_mmp_clear(fs
);
1170 com_err(ctx
->program_name
, retval
, "%s",
1171 _("while reading MMP block"));
1175 int main (int argc
, char *argv
[])
1177 errcode_t retval
= 0, retval2
= 0, orig_retval
= 0;
1178 int exit_value
= FSCK_OK
;
1181 struct ext2_super_block
*sb
;
1182 const char *lib_ver_date
;
1183 int my_ver
, lib_ver
;
1185 blk64_t orig_superblock
;
1186 struct problem_context pctx
;
1187 int flags
, run_result
, was_changed
;
1189 int sysval
, sys_page_size
= 4096;
1193 int qtype
= -99; /* quota type */
1195 clear_problem_context(&pctx
);
1204 setlocale(LC_MESSAGES
, "");
1205 setlocale(LC_CTYPE
, "");
1206 bindtextdomain(NLS_CAT_NAME
, LOCALEDIR
);
1207 textdomain(NLS_CAT_NAME
);
1208 set_com_err_gettext(gettext
);
1210 my_ver
= ext2fs_parse_version_string(my_ver_string
);
1211 lib_ver
= ext2fs_get_library_version(0, &lib_ver_date
);
1212 if (my_ver
> lib_ver
) {
1213 fprintf( stderr
, "%s",
1214 _("Error: ext2fs library version out of date!\n"));
1215 show_version_only
++;
1218 retval
= PRS(argc
, argv
, &ctx
);
1220 com_err("e2fsck", retval
, "%s",
1221 _("while trying to initialize program"));
1224 reserve_stdio_fds();
1226 set_up_logging(ctx
);
1229 fputs("E2fsck run: ", ctx
->logf
);
1230 for (i
= 0; i
< argc
; i
++) {
1232 fputc(' ', ctx
->logf
);
1233 fputs(argv
[i
], ctx
->logf
);
1235 fputc('\n', ctx
->logf
);
1238 init_resource_track(&ctx
->global_rtrack
, NULL
);
1239 if (!(ctx
->options
& E2F_OPT_PREEN
) || show_version_only
)
1240 log_err(ctx
, "e2fsck %s (%s)\n", my_ver_string
,
1243 if (show_version_only
) {
1244 log_err(ctx
, _("\tUsing %s, %s\n"),
1245 error_message(EXT2_ET_BASE
), lib_ver_date
);
1251 if (!(ctx
->options
& E2F_OPT_PREEN
) &&
1252 !(ctx
->options
& E2F_OPT_NO
) &&
1253 !(ctx
->options
& E2F_OPT_YES
)) {
1254 if (!ctx
->interactive
)
1256 _("need terminal for interactive repairs"));
1258 ctx
->superblock
= ctx
->use_superblock
;
1260 flags
= EXT2_FLAG_SKIP_MMP
;
1262 #ifdef CONFIG_TESTIO_DEBUG
1263 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1264 io_ptr
= test_io_manager
;
1265 test_io_backing_manager
= unix_io_manager
;
1268 io_ptr
= unix_io_manager
;
1269 flags
|= EXT2_FLAG_NOFREE_ON_ERROR
;
1270 profile_get_boolean(ctx
->profile
, "options", "old_bitmaps", 0, 0,
1273 flags
|= EXT2_FLAG_64BITS
;
1274 if ((ctx
->options
& E2F_OPT_READONLY
) == 0) {
1275 flags
|= EXT2_FLAG_RW
;
1276 if (!(ctx
->mount_flags
& EXT2_MF_ISROOT
&&
1277 ctx
->mount_flags
& EXT2_MF_READONLY
))
1278 flags
|= EXT2_FLAG_EXCLUSIVE
;
1279 if ((ctx
->mount_flags
& EXT2_MF_READONLY
) &&
1280 (ctx
->options
& E2F_OPT_FORCE
))
1281 flags
&= ~EXT2_FLAG_EXCLUSIVE
;
1284 ctx
->openfs_flags
= flags
;
1285 retval
= try_open_fs(ctx
, flags
, io_ptr
, &fs
);
1287 if (!ctx
->superblock
&& !(ctx
->options
& E2F_OPT_PREEN
) &&
1288 !(ctx
->flags
& E2F_FLAG_SB_SPECIFIED
) &&
1289 ((retval
== EXT2_ET_BAD_MAGIC
) ||
1290 (retval
== EXT2_ET_SB_CSUM_INVALID
) ||
1291 (retval
== EXT2_ET_CORRUPT_SUPERBLOCK
) ||
1292 ((retval
== 0) && (retval2
= ext2fs_check_desc(fs
))))) {
1294 pctx
.errcode
= retval
;
1295 fix_problem(ctx
, PR_0_OPEN_FAILED
, &pctx
);
1298 pctx
.errcode
= retval2
;
1299 fix_problem(ctx
, PR_0_CHECK_DESC_FAILED
, &pctx
);
1302 if (retval2
== ENOMEM
|| retval2
== EXT2_ET_NO_MEMORY
) {
1306 if (fs
->flags
& EXT2_FLAG_NOFREE_ON_ERROR
) {
1310 if (!fs
|| (fs
->group_desc_count
> 1)) {
1311 log_out(ctx
, _("%s: %s trying backup blocks...\n"),
1313 retval
? _("Superblock invalid,") :
1314 _("Group descriptors look bad..."));
1315 orig_superblock
= ctx
->superblock
;
1316 get_backup_sb(ctx
, fs
, ctx
->filesystem_name
, io_ptr
);
1318 ext2fs_close_free(&fs
);
1319 orig_retval
= retval
;
1320 retval
= try_open_fs(ctx
, flags
, io_ptr
, &fs
);
1321 if ((orig_retval
== 0) && retval
!= 0) {
1323 ext2fs_close_free(&fs
);
1324 log_out(ctx
, _("%s: %s while using the "
1327 error_message(retval
));
1328 log_out(ctx
, _("%s: going back to original "
1331 ctx
->superblock
= orig_superblock
;
1332 retval
= try_open_fs(ctx
, flags
, io_ptr
, &fs
);
1336 if (((retval
== EXT2_ET_UNSUPP_FEATURE
) ||
1337 (retval
== EXT2_ET_RO_UNSUPP_FEATURE
)) &&
1340 features
[0] = (sb
->s_feature_compat
&
1341 ~EXT2_LIB_FEATURE_COMPAT_SUPP
);
1342 features
[1] = (sb
->s_feature_incompat
&
1343 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP
);
1344 features
[2] = (sb
->s_feature_ro_compat
&
1345 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP
);
1346 if (features
[0] || features
[1] || features
[2])
1347 goto print_unsupp_features
;
1352 retval
= orig_retval
;
1353 com_err(ctx
->program_name
, retval
, _("while trying to open %s"),
1354 ctx
->filesystem_name
);
1355 if (retval
== EXT2_ET_REV_TOO_HIGH
) {
1357 _("The filesystem revision is apparently "
1358 "too high for this version of e2fsck.\n"
1359 "(Or the filesystem superblock "
1360 "is corrupt)\n\n"));
1361 fix_problem(ctx
, PR_0_SB_CORRUPT
, &pctx
);
1362 } else if (retval
== EXT2_ET_SHORT_READ
)
1364 _("Could this be a zero-length partition?\n"));
1365 else if ((retval
== EPERM
) || (retval
== EACCES
))
1366 log_out(ctx
, _("You must have %s access to the "
1367 "filesystem or be root\n"),
1368 (ctx
->options
& E2F_OPT_READONLY
) ?
1370 else if (retval
== ENXIO
)
1372 _("Possibly non-existent or swap device?\n"));
1373 else if (retval
== EBUSY
)
1374 log_out(ctx
, "%s", _("Filesystem mounted or opened "
1375 "exclusively by another program?\n"));
1376 else if (retval
== ENOENT
)
1378 _("Possibly non-existent device?\n"));
1380 else if (retval
== EROFS
)
1381 log_out(ctx
, "%s", _("Disk write-protected; use the "
1382 "-n option to do a read-only\n"
1383 "check of the device.\n"));
1386 fix_problem(ctx
, PR_0_SB_CORRUPT
, &pctx
);
1387 fatal_error(ctx
, 0);
1390 * We only update the master superblock because (a) paranoia;
1391 * we don't want to corrupt the backup superblocks, and (b) we
1392 * don't need to update the mount count and last checked
1393 * fields in the backup superblock (the kernel doesn't update
1394 * the backup superblocks anyway). With newer versions of the
1395 * library this flag is set by ext2fs_open2(), but we set this
1396 * here just to be sure. (No, we don't support e2fsck running
1397 * with some other libext2fs than the one that it was shipped
1398 * with, but just in case....)
1400 fs
->flags
|= EXT2_FLAG_MASTER_SB_ONLY
;
1402 if (!(ctx
->flags
& E2F_FLAG_GOT_DEVSIZE
)) {
1403 __u32 blocksize
= EXT2_BLOCK_SIZE(fs
->super
);
1404 int need_restart
= 0;
1406 pctx
.errcode
= ext2fs_get_device_size2(ctx
->filesystem_name
,
1410 * The floppy driver refuses to allow anyone else to
1411 * open the device if has been opened with O_EXCL;
1412 * this is unlike other block device drivers in Linux.
1413 * To handle this, we close the filesystem and then
1414 * reopen the filesystem after we get the device size.
1416 if (pctx
.errcode
== EBUSY
) {
1417 ext2fs_close_free(&fs
);
1420 ext2fs_get_device_size2(ctx
->filesystem_name
,
1424 if (pctx
.errcode
== EXT2_ET_UNIMPLEMENTED
)
1425 ctx
->num_blocks
= 0;
1426 else if (pctx
.errcode
) {
1427 fix_problem(ctx
, PR_0_GETSIZE_ERROR
, &pctx
);
1428 ctx
->flags
|= E2F_FLAG_ABORT
;
1429 fatal_error(ctx
, 0);
1431 ctx
->flags
|= E2F_FLAG_GOT_DEVSIZE
;
1440 if (sb
->s_rev_level
> E2FSCK_CURRENT_REV
) {
1441 com_err(ctx
->program_name
, EXT2_ET_REV_TOO_HIGH
,
1442 _("while trying to open %s"),
1443 ctx
->filesystem_name
);
1445 fatal_error(ctx
, _("Get a newer version of e2fsck!"));
1449 * Set the device name, which is used whenever we print error
1450 * or informational messages to the user.
1452 if (ctx
->device_name
== 0 &&
1453 (sb
->s_volume_name
[0] != 0)) {
1454 ctx
->device_name
= string_copy(ctx
, sb
->s_volume_name
,
1455 sizeof(sb
->s_volume_name
));
1457 if (ctx
->device_name
== 0)
1458 ctx
->device_name
= string_copy(ctx
, ctx
->filesystem_name
, 0);
1459 for (cp
= ctx
->device_name
; *cp
; cp
++)
1460 if (isspace(*cp
) || *cp
== ':')
1463 ehandler_init(fs
->io
);
1465 if ((fs
->super
->s_feature_incompat
& EXT4_FEATURE_INCOMPAT_MMP
) &&
1466 (flags
& EXT2_FLAG_SKIP_MMP
)) {
1467 if (e2fsck_check_mmp(fs
, ctx
))
1468 fatal_error(ctx
, 0);
1471 * Restart in order to reopen fs but this time start mmp.
1473 ext2fs_close_free(&fs
);
1474 flags
&= ~EXT2_FLAG_SKIP_MMP
;
1479 fprintf(ctx
->logf
, "Filesystem UUID: %s\n",
1480 e2p_uuid2str(sb
->s_uuid
));
1483 * Make sure the ext3 superblock fields are consistent.
1485 retval
= e2fsck_check_ext3_journal(ctx
);
1487 com_err(ctx
->program_name
, retval
,
1488 _("while checking ext3 journal for %s"),
1490 fatal_error(ctx
, 0);
1494 * Check to see if we need to do ext3-style recovery. If so,
1495 * do it, and then restart the fsck.
1497 if (sb
->s_feature_incompat
& EXT3_FEATURE_INCOMPAT_RECOVER
) {
1498 if (ctx
->options
& E2F_OPT_READONLY
) {
1500 _("Warning: skipping journal recovery because "
1501 "doing a read-only filesystem check.\n"));
1502 io_channel_flush(ctx
->fs
->io
);
1504 if (ctx
->flags
& E2F_FLAG_RESTARTED
) {
1506 * Whoops, we attempted to run the
1507 * journal twice. This should never
1508 * happen, unless the hardware or
1509 * device driver is being bogus.
1511 com_err(ctx
->program_name
, 0,
1512 _("unable to set superblock flags "
1513 "on %s\n"), ctx
->device_name
);
1514 fatal_error(ctx
, 0);
1516 retval
= e2fsck_run_ext3_journal(ctx
);
1518 com_err(ctx
->program_name
, retval
,
1519 _("while recovering ext3 journal of %s"),
1521 fatal_error(ctx
, 0);
1523 ext2fs_close_free(&ctx
->fs
);
1524 ctx
->flags
|= E2F_FLAG_RESTARTED
;
1530 * Check for compatibility with the feature sets. We need to
1531 * be more stringent than ext2fs_open().
1533 features
[0] = sb
->s_feature_compat
& ~EXT2_LIB_FEATURE_COMPAT_SUPP
;
1534 features
[1] = sb
->s_feature_incompat
& ~EXT2_LIB_FEATURE_INCOMPAT_SUPP
;
1535 features
[2] = (sb
->s_feature_ro_compat
&
1536 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP
);
1537 print_unsupp_features
:
1538 if (features
[0] || features
[1] || features
[2]) {
1540 __u32
*mask
= features
, m
;
1542 log_err(ctx
, _("%s has unsupported feature(s):"),
1543 ctx
->filesystem_name
);
1545 for (i
=0; i
<3; i
++,mask
++) {
1546 for (j
=0,m
=1; j
< 32; j
++, m
<<=1) {
1549 e2p_feature2string(i
, m
));
1555 #ifdef ENABLE_COMPRESSION
1556 if (sb
->s_feature_incompat
& EXT2_FEATURE_INCOMPAT_COMPRESSION
)
1557 log_err(ctx
, _("%s: warning: compression support "
1558 "is experimental.\n"),
1561 #ifndef ENABLE_HTREE
1562 if (sb
->s_feature_compat
& EXT2_FEATURE_COMPAT_DIR_INDEX
) {
1563 log_err(ctx
, _("%s: e2fsck not compiled with HTREE support,\n\t"
1564 "but filesystem %s has HTREE directories.\n"),
1565 ctx
->program_name
, ctx
->device_name
);
1571 * If the user specified a specific superblock, presumably the
1572 * master superblock has been trashed. So we mark the
1573 * superblock as dirty, so it can be written out.
1575 if (ctx
->superblock
&&
1576 !(ctx
->options
& E2F_OPT_READONLY
))
1577 ext2fs_mark_super_dirty(fs
);
1580 * Calculate the number of filesystem blocks per pagesize. If
1581 * fs->blocksize > page_size, set the number of blocks per
1582 * pagesize to 1 to avoid division by zero errors.
1585 sysval
= sysconf(_SC_PAGESIZE
);
1587 sys_page_size
= sysval
;
1588 #endif /* _SC_PAGESIZE */
1589 ctx
->blocks_per_page
= sys_page_size
/ fs
->blocksize
;
1590 if (ctx
->blocks_per_page
== 0)
1591 ctx
->blocks_per_page
= 1;
1593 if (ctx
->superblock
)
1594 set_latch_flags(PR_LATCH_RELOC
, PRL_LATCHED
, 0);
1595 ext2fs_mark_valid(fs
);
1596 check_super_block(ctx
);
1597 if (ctx
->flags
& E2F_FLAG_SIGNAL_MASK
)
1598 fatal_error(ctx
, 0);
1600 check_resize_inode(ctx
);
1601 if (bad_blocks_file
)
1602 read_bad_blocks_file(ctx
, bad_blocks_file
, replace_bad_blocks
);
1604 read_bad_blocks_file(ctx
, 0, !keep_bad_blocks
); /* Test disk */
1605 if (ctx
->flags
& E2F_FLAG_SIGNAL_MASK
)
1606 fatal_error(ctx
, 0);
1609 * Mark the system as valid, 'til proven otherwise
1611 ext2fs_mark_valid(fs
);
1613 retval
= ext2fs_read_bb_inode(fs
, &fs
->badblocks
);
1615 log_out(ctx
, _("%s: %s while reading bad blocks inode\n"),
1616 ctx
->program_name
, error_message(retval
));
1618 log_out(ctx
, "%s", _("This doesn't bode well, "
1619 "but we'll try to go on...\n"));
1623 * Save the journal size in megabytes.
1624 * Try and use the journal size from the backup else let e2fsck
1625 * find the default journal size.
1627 if (sb
->s_jnl_backup_type
== EXT3_JNL_BACKUP_BLOCKS
)
1628 journal_size
= (sb
->s_jnl_blocks
[15] << (32 - 20)) |
1629 (sb
->s_jnl_blocks
[16] >> 20);
1633 if (sb
->s_feature_ro_compat
& EXT4_FEATURE_RO_COMPAT_QUOTA
) {
1634 /* Quotas were enabled. Do quota accounting during fsck. */
1635 if ((sb
->s_usr_quota_inum
&& sb
->s_grp_quota_inum
) ||
1636 (!sb
->s_usr_quota_inum
&& !sb
->s_grp_quota_inum
))
1639 qtype
= sb
->s_usr_quota_inum
? USRQUOTA
: GRPQUOTA
;
1641 quota_init_context(&ctx
->qctx
, ctx
->fs
, qtype
);
1644 run_result
= e2fsck_run(ctx
);
1645 e2fsck_clear_progbar(ctx
);
1647 if (!ctx
->invalid_bitmaps
&&
1648 (ctx
->flags
& E2F_FLAG_JOURNAL_INODE
)) {
1649 if (fix_problem(ctx
, PR_6_RECREATE_JOURNAL
, &pctx
)) {
1650 if (journal_size
< 1024)
1651 journal_size
= ext2fs_default_journal_size(ext2fs_blocks_count(fs
->super
));
1652 if (journal_size
< 0) {
1653 fs
->super
->s_feature_compat
&=
1654 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL
;
1655 fs
->flags
&= ~EXT2_FLAG_MASTER_SB_ONLY
;
1656 log_out(ctx
, "%s: Couldn't determine "
1657 "journal size\n", ctx
->program_name
);
1660 log_out(ctx
, _("Creating journal (%d blocks): "),
1663 retval
= ext2fs_add_journal_inode(fs
,
1666 log_out(ctx
, "%s: while trying to create "
1667 "journal\n", error_message(retval
));
1670 log_out(ctx
, "%s", _(" Done.\n"));
1672 _("\n*** journal has been re-created - "
1673 "filesystem is now ext3 again ***\n"));
1679 int i
, needs_writeout
;
1680 for (i
= 0; i
< MAXQUOTAS
; i
++) {
1681 if (qtype
!= -1 && qtype
!= i
)
1685 retval
= quota_compare_and_update(ctx
->qctx
, i
,
1687 if ((retval
|| needs_writeout
) &&
1688 fix_problem(ctx
, PR_6_UPDATE_QUOTAS
, &pctx
))
1689 quota_write_inode(ctx
->qctx
, i
);
1691 quota_release_context(&ctx
->qctx
);
1694 if (run_result
== E2F_FLAG_RESTART
) {
1696 _("Restarting e2fsck from the beginning...\n"));
1697 retval
= e2fsck_reset_context(ctx
);
1699 com_err(ctx
->program_name
, retval
, "%s",
1700 _("while resetting context"));
1701 fatal_error(ctx
, 0);
1703 ext2fs_close_free(&fs
);
1706 if (run_result
& E2F_FLAG_ABORT
)
1707 fatal_error(ctx
, _("aborted"));
1710 mtrace_print("Cleanup");
1712 was_changed
= ext2fs_test_changed(fs
);
1713 if (run_result
& E2F_FLAG_CANCEL
) {
1714 log_out(ctx
, _("%s: e2fsck canceled.\n"), ctx
->device_name
?
1715 ctx
->device_name
: ctx
->filesystem_name
);
1716 exit_value
|= FSCK_CANCELED
;
1717 } else if (!(ctx
->options
& E2F_OPT_READONLY
)) {
1718 if (ext2fs_test_valid(fs
)) {
1719 if (!(sb
->s_state
& EXT2_VALID_FS
))
1720 exit_value
|= FSCK_NONDESTRUCT
;
1721 sb
->s_state
= EXT2_VALID_FS
;
1722 if (check_backup_super_block(ctx
))
1723 fs
->flags
&= ~EXT2_FLAG_MASTER_SB_ONLY
;
1725 sb
->s_state
&= ~EXT2_VALID_FS
;
1726 if (!(ctx
->flags
& E2F_FLAG_TIME_INSANE
))
1727 sb
->s_lastcheck
= ctx
->now
;
1728 sb
->s_mnt_count
= 0;
1729 memset(((char *) sb
) + EXT4_S_ERR_START
, 0, EXT4_S_ERR_LEN
);
1730 pctx
.errcode
= ext2fs_set_gdt_csum(ctx
->fs
);
1732 fix_problem(ctx
, PR_6_SET_BG_CHECKSUM
, &pctx
);
1733 ext2fs_mark_super_dirty(fs
);
1736 e2fsck_write_bitmaps(ctx
);
1737 if (fs
->flags
& EXT2_FLAG_DIRTY
) {
1738 pctx
.errcode
= ext2fs_flush(ctx
->fs
);
1740 fix_problem(ctx
, PR_6_FLUSH_FILESYSTEM
, &pctx
);
1742 pctx
.errcode
= io_channel_flush(ctx
->fs
->io
);
1744 fix_problem(ctx
, PR_6_IO_FLUSH
, &pctx
);
1747 exit_value
|= FSCK_NONDESTRUCT
;
1748 if (!(ctx
->options
& E2F_OPT_PREEN
))
1749 log_out(ctx
, _("\n%s: ***** FILE SYSTEM WAS "
1750 "MODIFIED *****\n"),
1752 if (ctx
->mount_flags
& EXT2_MF_ISROOT
) {
1753 log_out(ctx
, _("%s: ***** REBOOT LINUX *****\n"),
1755 exit_value
|= FSCK_REBOOT
;
1758 if (!ext2fs_test_valid(fs
) ||
1759 ((exit_value
& FSCK_CANCELED
) &&
1760 (sb
->s_state
& EXT2_ERROR_FS
))) {
1761 log_out(ctx
, _("\n%s: ********** WARNING: Filesystem still has "
1762 "errors **********\n\n"), ctx
->device_name
);
1763 exit_value
|= FSCK_UNCORRECTED
;
1764 exit_value
&= ~FSCK_NONDESTRUCT
;
1766 if (exit_value
& FSCK_CANCELED
) {
1767 int allow_cancellation
;
1769 profile_get_boolean(ctx
->profile
, "options",
1770 "allow_cancellation", 0, 0,
1771 &allow_cancellation
);
1772 exit_value
&= ~FSCK_NONDESTRUCT
;
1773 if (allow_cancellation
&& ext2fs_test_valid(fs
) &&
1774 (sb
->s_state
& EXT2_VALID_FS
) &&
1775 !(sb
->s_state
& EXT2_ERROR_FS
))
1780 print_resource_track(ctx
, NULL
, &ctx
->global_rtrack
, ctx
->fs
->io
);
1782 ext2fs_close_free(&ctx
->fs
);
1783 free(ctx
->journal_name
);
1785 e2fsck_free_context(ctx
);
1786 remove_error_table(&et_ext2_error_table
);
1787 remove_error_table(&et_prof_error_table
);