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e2fsck: mark device inodes with EXT4_EXTENTS_FL bad
[thirdparty/e2fsprogs.git] / e2fsck / unix.c
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 #define _XOPEN_SOURCE 600 /* for inclusion of sa_handler in Solaris */
13
14 #include "config.h"
15 #include <stdio.h>
16 #ifdef HAVE_STDLIB_H
17 #include <stdlib.h>
18 #endif
19 #include <string.h>
20 #include <fcntl.h>
21 #include <ctype.h>
22 #include <time.h>
23 #ifdef HAVE_SIGNAL_H
24 #include <signal.h>
25 #endif
26 #ifdef HAVE_GETOPT_H
27 #include <getopt.h>
28 #else
29 extern char *optarg;
30 extern int optind;
31 #endif
32 #include <unistd.h>
33 #ifdef HAVE_ERRNO_H
34 #include <errno.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 #include <libgen.h>
49
50 #include "e2p/e2p.h"
51 #include "et/com_err.h"
52 #include "e2p/e2p.h"
53 #include "support/plausible.h"
54 #include "e2fsck.h"
55 #include "problem.h"
56 #include "jfs_user.h"
57 #include "../version.h"
58
59 /* Command line options */
60 static int cflag; /* check disk */
61 static int show_version_only;
62 static int verbose;
63
64 static int replace_bad_blocks;
65 static int keep_bad_blocks;
66 static char *bad_blocks_file;
67
68 e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
69
70 #ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jbd-debug */
71 int journal_enable_debug = -1;
72 #endif
73
74 static void usage(e2fsck_t ctx)
75 {
76 fprintf(stderr,
77 _("Usage: %s [-panyrcdfktvDFV] [-b superblock] [-B blocksize]\n"
78 "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n"
79 "\t\t[-E extended-options] [-z undo_file] device\n"),
80 ctx->program_name);
81
82 fprintf(stderr, "%s", _("\nEmergency help:\n"
83 " -p Automatic repair (no questions)\n"
84 " -n Make no changes to the filesystem\n"
85 " -y Assume \"yes\" to all questions\n"
86 " -c Check for bad blocks and add them to the badblock list\n"
87 " -f Force checking even if filesystem is marked clean\n"));
88 fprintf(stderr, "%s", _(""
89 " -v Be verbose\n"
90 " -b superblock Use alternative superblock\n"
91 " -B blocksize Force blocksize when looking for superblock\n"
92 " -j external_journal Set location of the external journal\n"
93 " -l bad_blocks_file Add to badblocks list\n"
94 " -L bad_blocks_file Set badblocks list\n"
95 " -z undo_file Create an undo file\n"
96 ));
97
98 exit(FSCK_USAGE);
99 }
100
101 static void show_stats(e2fsck_t ctx)
102 {
103 ext2_filsys fs = ctx->fs;
104 ext2_ino_t inodes, inodes_used;
105 blk64_t blocks, blocks_used;
106 unsigned int dir_links;
107 unsigned int num_files, num_links;
108 __u32 *mask, m;
109 int frag_percent_file = 0, frag_percent_dir = 0, frag_percent_total = 0;
110 int i, j, printed = 0;
111
112 dir_links = 2 * ctx->fs_directory_count - 1;
113 num_files = ctx->fs_total_count - dir_links;
114 num_links = ctx->fs_links_count - dir_links;
115 inodes = fs->super->s_inodes_count;
116 inodes_used = (fs->super->s_inodes_count -
117 fs->super->s_free_inodes_count);
118 blocks = ext2fs_blocks_count(fs->super);
119 blocks_used = (ext2fs_blocks_count(fs->super) -
120 ext2fs_free_blocks_count(fs->super));
121
122 if (inodes_used > 0) {
123 frag_percent_file = (10000 * ctx->fs_fragmented) / inodes_used;
124 frag_percent_file = (frag_percent_file + 5) / 10;
125
126 frag_percent_dir = (10000 * ctx->fs_fragmented_dir) / inodes_used;
127 frag_percent_dir = (frag_percent_dir + 5) / 10;
128
129 frag_percent_total = ((10000 * (ctx->fs_fragmented +
130 ctx->fs_fragmented_dir))
131 / inodes_used);
132 frag_percent_total = (frag_percent_total + 5) / 10;
133 }
134
135 if (!verbose) {
136 log_out(ctx, _("%s: %u/%u files (%0d.%d%% non-contiguous), "
137 "%llu/%llu blocks\n"),
138 ctx->device_name, inodes_used, inodes,
139 frag_percent_total / 10, frag_percent_total % 10,
140 blocks_used, blocks);
141 return;
142 }
143 profile_get_boolean(ctx->profile, "options", "report_features", 0, 0,
144 &i);
145 if (verbose && i) {
146 log_out(ctx, "\nFilesystem features:");
147 mask = &ctx->fs->super->s_feature_compat;
148 for (i = 0; i < 3; i++, mask++) {
149 for (j = 0, m = 1; j < 32; j++, m <<= 1) {
150 if (*mask & m) {
151 log_out(ctx, " %s",
152 e2p_feature2string(i, m));
153 printed++;
154 }
155 }
156 }
157 if (printed == 0)
158 log_out(ctx, " (none)");
159 log_out(ctx, "\n");
160 }
161
162 log_out(ctx, P_("\n%12u inode used (%2.2f%%, out of %u)\n",
163 "\n%12u inodes used (%2.2f%%, out of %u)\n",
164 inodes_used), inodes_used,
165 100.0 * inodes_used / inodes, inodes);
166 log_out(ctx, P_("%12u non-contiguous file (%0d.%d%%)\n",
167 "%12u non-contiguous files (%0d.%d%%)\n",
168 ctx->fs_fragmented),
169 ctx->fs_fragmented, frag_percent_file / 10,
170 frag_percent_file % 10);
171 log_out(ctx, P_("%12u non-contiguous directory (%0d.%d%%)\n",
172 "%12u non-contiguous directories (%0d.%d%%)\n",
173 ctx->fs_fragmented_dir),
174 ctx->fs_fragmented_dir, frag_percent_dir / 10,
175 frag_percent_dir % 10);
176 log_out(ctx, _(" # of inodes with ind/dind/tind blocks: "
177 "%u/%u/%u\n"),
178 ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count);
179
180 for (j=MAX_EXTENT_DEPTH_COUNT-1; j >=0; j--)
181 if (ctx->extent_depth_count[j])
182 break;
183 if (++j) {
184 log_out(ctx, "%s", _(" Extent depth histogram: "));
185 for (i=0; i < j; i++) {
186 if (i)
187 fputc('/', stdout);
188 log_out(ctx, "%u", ctx->extent_depth_count[i]);
189 }
190 log_out(ctx, "\n");
191 }
192
193 log_out(ctx, P_("%12llu block used (%2.2f%%, out of %llu)\n",
194 "%12llu blocks used (%2.2f%%, out of %llu)\n",
195 blocks_used),
196 blocks_used, 100.0 * blocks_used / blocks, blocks);
197 log_out(ctx, P_("%12u bad block\n", "%12u bad blocks\n",
198 ctx->fs_badblocks_count), ctx->fs_badblocks_count);
199 log_out(ctx, P_("%12u large file\n", "%12u large files\n",
200 ctx->large_files), ctx->large_files);
201 log_out(ctx, P_("\n%12u regular file\n", "\n%12u regular files\n",
202 ctx->fs_regular_count), ctx->fs_regular_count);
203 log_out(ctx, P_("%12u directory\n", "%12u directories\n",
204 ctx->fs_directory_count), ctx->fs_directory_count);
205 log_out(ctx, P_("%12u character device file\n",
206 "%12u character device files\n", ctx->fs_chardev_count),
207 ctx->fs_chardev_count);
208 log_out(ctx, P_("%12u block device file\n", "%12u block device files\n",
209 ctx->fs_blockdev_count), ctx->fs_blockdev_count);
210 log_out(ctx, P_("%12u fifo\n", "%12u fifos\n", ctx->fs_fifo_count),
211 ctx->fs_fifo_count);
212 log_out(ctx, P_("%12u link\n", "%12u links\n", num_links),
213 ctx->fs_links_count - dir_links);
214 log_out(ctx, P_("%12u symbolic link", "%12u symbolic links",
215 ctx->fs_symlinks_count), ctx->fs_symlinks_count);
216 log_out(ctx, P_(" (%u fast symbolic link)\n",
217 " (%u fast symbolic links)\n",
218 ctx->fs_fast_symlinks_count),
219 ctx->fs_fast_symlinks_count);
220 log_out(ctx, P_("%12u socket\n", "%12u sockets\n",
221 ctx->fs_sockets_count),
222 ctx->fs_sockets_count);
223 log_out(ctx, "------------\n");
224 log_out(ctx, P_("%12u file\n", "%12u files\n", num_files),
225 num_files);
226 }
227
228 static void check_mount(e2fsck_t ctx)
229 {
230 errcode_t retval;
231 int cont;
232
233 retval = ext2fs_check_if_mounted(ctx->filesystem_name,
234 &ctx->mount_flags);
235 if (retval) {
236 com_err("ext2fs_check_if_mount", retval,
237 _("while determining whether %s is mounted."),
238 ctx->filesystem_name);
239 return;
240 }
241
242 /*
243 * If the filesystem isn't mounted, or it's the root
244 * filesystem and it's mounted read-only, and we're not doing
245 * a read/write check, then everything's fine.
246 */
247 if ((!(ctx->mount_flags & (EXT2_MF_MOUNTED | EXT2_MF_BUSY))) ||
248 ((ctx->mount_flags & EXT2_MF_ISROOT) &&
249 (ctx->mount_flags & EXT2_MF_READONLY) &&
250 !(ctx->options & E2F_OPT_WRITECHECK)))
251 return;
252
253 if (((ctx->options & E2F_OPT_READONLY) ||
254 ((ctx->options & E2F_OPT_FORCE) &&
255 (ctx->mount_flags & EXT2_MF_READONLY))) &&
256 !(ctx->options & E2F_OPT_WRITECHECK)) {
257 if (ctx->mount_flags & EXT2_MF_MOUNTED)
258 log_out(ctx, _("Warning! %s is mounted.\n"),
259 ctx->filesystem_name);
260 else
261 log_out(ctx, _("Warning! %s is in use.\n"),
262 ctx->filesystem_name);
263 return;
264 }
265
266 if (ctx->mount_flags & EXT2_MF_MOUNTED)
267 log_out(ctx, _("%s is mounted.\n"), ctx->filesystem_name);
268 else
269 log_out(ctx, _("%s is in use.\n"), ctx->filesystem_name);
270 if (!ctx->interactive || ctx->mount_flags & EXT2_MF_BUSY)
271 fatal_error(ctx, _("Cannot continue, aborting.\n\n"));
272 puts("\007\007\007\007");
273 log_out(ctx, "%s", _("\n\nWARNING!!! "
274 "The filesystem is mounted. "
275 "If you continue you ***WILL***\n"
276 "cause ***SEVERE*** filesystem damage.\n\n"));
277 puts("\007\007\007");
278 cont = ask_yn(ctx, _("Do you really want to continue"), 0);
279 if (!cont) {
280 printf("%s", _("check aborted.\n"));
281 exit (0);
282 }
283 return;
284 }
285
286 static int is_on_batt(void)
287 {
288 FILE *f;
289 DIR *d;
290 char tmp[80], tmp2[80], fname[80];
291 unsigned int acflag;
292 struct dirent* de;
293
294 f = fopen("/sys/class/power_supply/AC/online", "r");
295 if (f) {
296 if (fscanf(f, "%u\n", &acflag) == 1) {
297 fclose(f);
298 return (!acflag);
299 }
300 fclose(f);
301 }
302 f = fopen("/proc/apm", "r");
303 if (f) {
304 if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4)
305 acflag = 1;
306 fclose(f);
307 return (acflag != 1);
308 }
309 d = opendir("/proc/acpi/ac_adapter");
310 if (d) {
311 while ((de=readdir(d)) != NULL) {
312 if (!strncmp(".", de->d_name, 1))
313 continue;
314 snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state",
315 de->d_name);
316 f = fopen(fname, "r");
317 if (!f)
318 continue;
319 if (fscanf(f, "%s %s", tmp2, tmp) != 2)
320 tmp[0] = 0;
321 fclose(f);
322 if (strncmp(tmp, "off-line", 8) == 0) {
323 closedir(d);
324 return 1;
325 }
326 }
327 closedir(d);
328 }
329 return 0;
330 }
331
332 /*
333 * This routine checks to see if a filesystem can be skipped; if so,
334 * it will exit with E2FSCK_OK. Under some conditions it will print a
335 * message explaining why a check is being forced.
336 */
337 static void check_if_skip(e2fsck_t ctx)
338 {
339 ext2_filsys fs = ctx->fs;
340 struct problem_context pctx;
341 const char *reason = NULL;
342 unsigned int reason_arg = 0;
343 long next_check;
344 int batt = is_on_batt();
345 int defer_check_on_battery;
346 int broken_system_clock;
347 time_t lastcheck;
348
349 if (ctx->flags & E2F_FLAG_PROBLEMS_FIXED)
350 return;
351
352 profile_get_boolean(ctx->profile, "options", "broken_system_clock",
353 0, 0, &broken_system_clock);
354 if (ctx->flags & E2F_FLAG_TIME_INSANE)
355 broken_system_clock = 1;
356 profile_get_boolean(ctx->profile, "options",
357 "defer_check_on_battery", 0, 1,
358 &defer_check_on_battery);
359 if (!defer_check_on_battery)
360 batt = 0;
361
362 if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag)
363 return;
364
365 if (ctx->options & E2F_OPT_JOURNAL_ONLY)
366 goto skip;
367
368 lastcheck = fs->super->s_lastcheck;
369 if (lastcheck > ctx->now)
370 lastcheck -= ctx->time_fudge;
371 if ((fs->super->s_state & EXT2_ERROR_FS) ||
372 !ext2fs_test_valid(fs))
373 reason = _(" contains a file system with errors");
374 else if ((fs->super->s_state & EXT2_VALID_FS) == 0)
375 reason = _(" was not cleanly unmounted");
376 else if (check_backup_super_block(ctx))
377 reason = _(" primary superblock features different from backup");
378 else if ((fs->super->s_max_mnt_count > 0) &&
379 (fs->super->s_mnt_count >=
380 (unsigned) fs->super->s_max_mnt_count)) {
381 reason = _(" has been mounted %u times without being checked");
382 reason_arg = fs->super->s_mnt_count;
383 if (batt && (fs->super->s_mnt_count <
384 (unsigned) fs->super->s_max_mnt_count*2))
385 reason = 0;
386 } else if (!broken_system_clock && fs->super->s_checkinterval &&
387 (ctx->now < lastcheck)) {
388 reason = _(" has filesystem last checked time in the future");
389 if (batt)
390 reason = 0;
391 } else if (!broken_system_clock && fs->super->s_checkinterval &&
392 ((ctx->now - lastcheck) >=
393 ((time_t) fs->super->s_checkinterval))) {
394 reason = _(" has gone %u days without being checked");
395 reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24);
396 if (batt && ((ctx->now - fs->super->s_lastcheck) <
397 fs->super->s_checkinterval*2))
398 reason = 0;
399 } else if (broken_system_clock && fs->super->s_checkinterval) {
400 log_out(ctx, "%s: ", ctx->device_name);
401 log_out(ctx, "%s",
402 _("ignoring check interval, broken_system_clock set\n"));
403 }
404
405 if (reason) {
406 log_out(ctx, "%s", ctx->device_name);
407 log_out(ctx, reason, reason_arg);
408 log_out(ctx, "%s", _(", check forced.\n"));
409 return;
410 }
411
412 /*
413 * Update the global counts from the block group counts. This
414 * is needed since modern kernels don't update the global
415 * counts so as to avoid locking the entire file system. So
416 * if the filesystem is not unmounted cleanly, the global
417 * counts may not be accurate. Update them here if we can,
418 * for the benefit of users who might examine the file system
419 * using dumpe2fs. (This is for cosmetic reasons only.)
420 */
421 clear_problem_context(&pctx);
422 pctx.ino = fs->super->s_free_inodes_count;
423 pctx.ino2 = ctx->free_inodes;
424 if ((pctx.ino != pctx.ino2) &&
425 !(ctx->options & E2F_OPT_READONLY) &&
426 fix_problem(ctx, PR_0_FREE_INODE_COUNT, &pctx)) {
427 fs->super->s_free_inodes_count = ctx->free_inodes;
428 ext2fs_mark_super_dirty(fs);
429 }
430 clear_problem_context(&pctx);
431 pctx.blk = ext2fs_free_blocks_count(fs->super);
432 pctx.blk2 = ctx->free_blocks;
433 if ((pctx.blk != pctx.blk2) &&
434 !(ctx->options & E2F_OPT_READONLY) &&
435 fix_problem(ctx, PR_0_FREE_BLOCK_COUNT, &pctx)) {
436 ext2fs_free_blocks_count_set(fs->super, ctx->free_blocks);
437 ext2fs_mark_super_dirty(fs);
438 }
439
440 /* Print the summary message when we're skipping a full check */
441 log_out(ctx, _("%s: clean, %u/%u files, %llu/%llu blocks"),
442 ctx->device_name,
443 fs->super->s_inodes_count - fs->super->s_free_inodes_count,
444 fs->super->s_inodes_count,
445 ext2fs_blocks_count(fs->super) -
446 ext2fs_free_blocks_count(fs->super),
447 ext2fs_blocks_count(fs->super));
448 next_check = 100000;
449 if (fs->super->s_max_mnt_count > 0) {
450 next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count;
451 if (next_check <= 0)
452 next_check = 1;
453 }
454 if (!broken_system_clock && fs->super->s_checkinterval &&
455 ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval))
456 next_check = 1;
457 if (next_check <= 5) {
458 if (next_check == 1) {
459 if (batt)
460 log_out(ctx, "%s",
461 _(" (check deferred; on battery)"));
462 else
463 log_out(ctx, "%s",
464 _(" (check after next mount)"));
465 } else
466 log_out(ctx, _(" (check in %ld mounts)"),
467 next_check);
468 }
469 log_out(ctx, "\n");
470 skip:
471 ext2fs_close_free(&ctx->fs);
472 e2fsck_free_context(ctx);
473 exit(FSCK_OK);
474 }
475
476 /*
477 * For completion notice
478 */
479 struct percent_tbl {
480 int max_pass;
481 int table[32];
482 };
483 static struct percent_tbl e2fsck_tbl = {
484 5, { 0, 70, 90, 92, 95, 100 }
485 };
486 static char bar[128], spaces[128];
487
488 static float calc_percent(struct percent_tbl *tbl, int pass, int curr,
489 int max)
490 {
491 float percent;
492
493 if (pass <= 0)
494 return 0.0;
495 if (pass > tbl->max_pass || max == 0)
496 return 100.0;
497 percent = ((float) curr) / ((float) max);
498 return ((percent * (tbl->table[pass] - tbl->table[pass-1]))
499 + tbl->table[pass-1]);
500 }
501
502 void e2fsck_clear_progbar(e2fsck_t ctx)
503 {
504 if (!(ctx->flags & E2F_FLAG_PROG_BAR))
505 return;
506
507 printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80),
508 ctx->stop_meta);
509 fflush(stdout);
510 ctx->flags &= ~E2F_FLAG_PROG_BAR;
511 }
512
513 int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent,
514 unsigned int dpynum)
515 {
516 static const char spinner[] = "\\|/-";
517 int i;
518 unsigned int tick;
519 struct timeval tv;
520 int dpywidth;
521 int fixed_percent;
522
523 if (ctx->flags & E2F_FLAG_PROG_SUPPRESS)
524 return 0;
525
526 /*
527 * Calculate the new progress position. If the
528 * percentage hasn't changed, then we skip out right
529 * away.
530 */
531 fixed_percent = (int) ((10 * percent) + 0.5);
532 if (ctx->progress_last_percent == fixed_percent)
533 return 0;
534 ctx->progress_last_percent = fixed_percent;
535
536 /*
537 * If we've already updated the spinner once within
538 * the last 1/8th of a second, no point doing it
539 * again.
540 */
541 gettimeofday(&tv, NULL);
542 tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8));
543 if ((tick == ctx->progress_last_time) &&
544 (fixed_percent != 0) && (fixed_percent != 1000))
545 return 0;
546 ctx->progress_last_time = tick;
547
548 /*
549 * Advance the spinner, and note that the progress bar
550 * will be on the screen
551 */
552 ctx->progress_pos = (ctx->progress_pos+1) & 3;
553 ctx->flags |= E2F_FLAG_PROG_BAR;
554
555 dpywidth = 66 - strlen(label);
556 dpywidth = 8 * (dpywidth / 8);
557 if (dpynum)
558 dpywidth -= 8;
559
560 i = ((percent * dpywidth) + 50) / 100;
561 printf("%s%s: |%s%s", ctx->start_meta, label,
562 bar + (sizeof(bar) - (i+1)),
563 spaces + (sizeof(spaces) - (dpywidth - i + 1)));
564 if (fixed_percent == 1000)
565 fputc('|', stdout);
566 else
567 fputc(spinner[ctx->progress_pos & 3], stdout);
568 printf(" %4.1f%% ", percent);
569 if (dpynum)
570 printf("%u\r", dpynum);
571 else
572 fputs(" \r", stdout);
573 fputs(ctx->stop_meta, stdout);
574
575 if (fixed_percent == 1000)
576 e2fsck_clear_progbar(ctx);
577 fflush(stdout);
578
579 return 0;
580 }
581
582 static int e2fsck_update_progress(e2fsck_t ctx, int pass,
583 unsigned long cur, unsigned long max)
584 {
585 char buf[1024];
586 float percent;
587
588 if (pass == 0)
589 return 0;
590
591 if (ctx->progress_fd) {
592 snprintf(buf, sizeof(buf), "%d %lu %lu %s\n",
593 pass, cur, max, ctx->device_name);
594 write_all(ctx->progress_fd, buf, strlen(buf));
595 } else {
596 percent = calc_percent(&e2fsck_tbl, pass, cur, max);
597 e2fsck_simple_progress(ctx, ctx->device_name,
598 percent, 0);
599 }
600 return 0;
601 }
602
603 #define PATH_SET "PATH=/sbin"
604
605 /*
606 * Make sure 0,1,2 file descriptors are open, so that we don't open
607 * the filesystem using the same file descriptor as stdout or stderr.
608 */
609 static void reserve_stdio_fds(void)
610 {
611 int fd = 0;
612
613 while (fd <= 2) {
614 fd = open("/dev/null", O_RDWR);
615 if (fd < 0) {
616 fprintf(stderr, _("ERROR: Couldn't open "
617 "/dev/null (%s)\n"),
618 strerror(errno));
619 break;
620 }
621 }
622 }
623
624 #ifdef HAVE_SIGNAL_H
625 static void signal_progress_on(int sig EXT2FS_ATTR((unused)))
626 {
627 e2fsck_t ctx = e2fsck_global_ctx;
628
629 if (!ctx)
630 return;
631
632 ctx->progress = e2fsck_update_progress;
633 }
634
635 static void signal_progress_off(int sig EXT2FS_ATTR((unused)))
636 {
637 e2fsck_t ctx = e2fsck_global_ctx;
638
639 if (!ctx)
640 return;
641
642 e2fsck_clear_progbar(ctx);
643 ctx->progress = 0;
644 }
645
646 static void signal_cancel(int sig EXT2FS_ATTR((unused)))
647 {
648 e2fsck_t ctx = e2fsck_global_ctx;
649
650 if (!ctx)
651 exit(FSCK_CANCELED);
652
653 ctx->flags |= E2F_FLAG_CANCEL;
654 }
655 #endif
656
657 static void parse_extended_opts(e2fsck_t ctx, const char *opts)
658 {
659 char *buf, *token, *next, *p, *arg;
660 int ea_ver;
661 int extended_usage = 0;
662 unsigned long long reada_kb;
663
664 buf = string_copy(ctx, opts, 0);
665 for (token = buf; token && *token; token = next) {
666 p = strchr(token, ',');
667 next = 0;
668 if (p) {
669 *p = 0;
670 next = p+1;
671 }
672 arg = strchr(token, '=');
673 if (arg) {
674 *arg = 0;
675 arg++;
676 }
677 if (strcmp(token, "ea_ver") == 0) {
678 if (!arg) {
679 extended_usage++;
680 continue;
681 }
682 ea_ver = strtoul(arg, &p, 0);
683 if (*p ||
684 ((ea_ver != 1) && (ea_ver != 2))) {
685 fprintf(stderr, "%s",
686 _("Invalid EA version.\n"));
687 extended_usage++;
688 continue;
689 }
690 ctx->ext_attr_ver = ea_ver;
691 } else if (strcmp(token, "readahead_kb") == 0) {
692 if (!arg) {
693 extended_usage++;
694 continue;
695 }
696 reada_kb = strtoull(arg, &p, 0);
697 if (*p) {
698 fprintf(stderr, "%s",
699 _("Invalid readahead buffer size.\n"));
700 extended_usage++;
701 continue;
702 }
703 ctx->readahead_kb = reada_kb;
704 } else if (strcmp(token, "fragcheck") == 0) {
705 ctx->options |= E2F_OPT_FRAGCHECK;
706 continue;
707 } else if (strcmp(token, "journal_only") == 0) {
708 if (arg) {
709 extended_usage++;
710 continue;
711 }
712 ctx->options |= E2F_OPT_JOURNAL_ONLY;
713 } else if (strcmp(token, "discard") == 0) {
714 ctx->options |= E2F_OPT_DISCARD;
715 continue;
716 } else if (strcmp(token, "nodiscard") == 0) {
717 ctx->options &= ~E2F_OPT_DISCARD;
718 continue;
719 } else if (strcmp(token, "optimize_extents") == 0) {
720 ctx->options &= ~E2F_OPT_NOOPT_EXTENTS;
721 continue;
722 } else if (strcmp(token, "no_optimize_extents") == 0) {
723 ctx->options |= E2F_OPT_NOOPT_EXTENTS;
724 continue;
725 } else if (strcmp(token, "inode_count_fullmap") == 0) {
726 ctx->options |= E2F_OPT_ICOUNT_FULLMAP;
727 continue;
728 } else if (strcmp(token, "no_inode_count_fullmap") == 0) {
729 ctx->options &= ~E2F_OPT_ICOUNT_FULLMAP;
730 continue;
731 } else if (strcmp(token, "log_filename") == 0) {
732 if (!arg)
733 extended_usage++;
734 else
735 ctx->log_fn = string_copy(ctx, arg, 0);
736 continue;
737 } else if (strcmp(token, "bmap2extent") == 0) {
738 ctx->options |= E2F_OPT_CONVERT_BMAP;
739 continue;
740 } else if (strcmp(token, "fixes_only") == 0) {
741 ctx->options |= E2F_OPT_FIXES_ONLY;
742 continue;
743 } else if (strcmp(token, "unshare_blocks") == 0) {
744 ctx->options |= E2F_OPT_UNSHARE_BLOCKS;
745 ctx->options |= E2F_OPT_FORCE;
746 continue;
747 } else {
748 fprintf(stderr, _("Unknown extended option: %s\n"),
749 token);
750 extended_usage++;
751 }
752 }
753 free(buf);
754
755 if (extended_usage) {
756 fputs(_("\nExtended options are separated by commas, "
757 "and may take an argument which\n"
758 "is set off by an equals ('=') sign. "
759 "Valid extended options are:\n\n"), stderr);
760 fputs(_("\tea_ver=<ea_version (1 or 2)>\n"), stderr);
761 fputs("\tfragcheck\n", stderr);
762 fputs("\tjournal_only\n", stderr);
763 fputs("\tdiscard\n", stderr);
764 fputs("\tnodiscard\n", stderr);
765 fputs("\toptimize_extents\n", stderr);
766 fputs("\tno_optimize_extents\n", stderr);
767 fputs("\tinode_count_fullmap\n", stderr);
768 fputs("\tno_inode_count_fullmap\n", stderr);
769 fputs(_("\treadahead_kb=<buffer size>\n"), stderr);
770 fputs("\tbmap2extent\n", stderr);
771 fputs("\tunshare_blocks\n", stderr);
772 fputs("\tfixes_only\n", stderr);
773 fputc('\n', stderr);
774 exit(1);
775 }
776 }
777
778 static void syntax_err_report(const char *filename, long err, int line_num)
779 {
780 fprintf(stderr,
781 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"),
782 filename, line_num, error_message(err));
783 exit(FSCK_ERROR);
784 }
785
786 static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 };
787
788 static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
789 {
790 int flush = 0;
791 int c, fd;
792 #ifdef MTRACE
793 extern void *mallwatch;
794 #endif
795 e2fsck_t ctx;
796 errcode_t retval;
797 #ifdef HAVE_SIGNAL_H
798 struct sigaction sa;
799 #endif
800 char *extended_opts = 0;
801 char *cp;
802 int res; /* result of sscanf */
803 #ifdef CONFIG_JBD_DEBUG
804 char *jbd_debug;
805 #endif
806 unsigned long long phys_mem_kb;
807
808 retval = e2fsck_allocate_context(&ctx);
809 if (retval)
810 return retval;
811
812 *ret_ctx = ctx;
813 e2fsck_global_ctx = ctx;
814
815 setvbuf(stdout, NULL, _IONBF, BUFSIZ);
816 setvbuf(stderr, NULL, _IONBF, BUFSIZ);
817 if (getenv("E2FSCK_FORCE_INTERACTIVE") || (isatty(0) && isatty(1))) {
818 ctx->interactive = 1;
819 } else {
820 ctx->start_meta[0] = '\001';
821 ctx->stop_meta[0] = '\002';
822 }
823 memset(bar, '=', sizeof(bar)-1);
824 memset(spaces, ' ', sizeof(spaces)-1);
825 add_error_table(&et_ext2_error_table);
826 add_error_table(&et_prof_error_table);
827 blkid_get_cache(&ctx->blkid, NULL);
828
829 if (argc && *argv)
830 ctx->program_name = *argv;
831 else
832 ctx->program_name = "e2fsck";
833
834 phys_mem_kb = get_memory_size() / 1024;
835 ctx->readahead_kb = ~0ULL;
836 while ((c = getopt(argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDkz:")) != EOF)
837 switch (c) {
838 case 'C':
839 ctx->progress = e2fsck_update_progress;
840 res = sscanf(optarg, "%d", &ctx->progress_fd);
841 if (res != 1)
842 goto sscanf_err;
843
844 if (ctx->progress_fd < 0) {
845 ctx->progress = 0;
846 ctx->progress_fd = ctx->progress_fd * -1;
847 }
848 if (!ctx->progress_fd)
849 break;
850 /* Validate the file descriptor to avoid disasters */
851 fd = dup(ctx->progress_fd);
852 if (fd < 0) {
853 fprintf(stderr,
854 _("Error validating file descriptor %d: %s\n"),
855 ctx->progress_fd,
856 error_message(errno));
857 fatal_error(ctx,
858 _("Invalid completion information file descriptor"));
859 } else
860 close(fd);
861 break;
862 case 'D':
863 ctx->options |= E2F_OPT_COMPRESS_DIRS;
864 break;
865 case 'E':
866 extended_opts = optarg;
867 break;
868 case 'p':
869 case 'a':
870 if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) {
871 conflict_opt:
872 fatal_error(ctx,
873 _("Only one of the options -p/-a, -n or -y may be specified."));
874 }
875 ctx->options |= E2F_OPT_PREEN;
876 break;
877 case 'n':
878 if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN))
879 goto conflict_opt;
880 ctx->options |= E2F_OPT_NO;
881 break;
882 case 'y':
883 if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO))
884 goto conflict_opt;
885 ctx->options |= E2F_OPT_YES;
886 break;
887 case 't':
888 #ifdef RESOURCE_TRACK
889 if (ctx->options & E2F_OPT_TIME)
890 ctx->options |= E2F_OPT_TIME2;
891 else
892 ctx->options |= E2F_OPT_TIME;
893 #else
894 fprintf(stderr, _("The -t option is not "
895 "supported on this version of e2fsck.\n"));
896 #endif
897 break;
898 case 'c':
899 if (cflag++)
900 ctx->options |= E2F_OPT_WRITECHECK;
901 ctx->options |= E2F_OPT_CHECKBLOCKS;
902 break;
903 case 'r':
904 /* What we do by default, anyway! */
905 break;
906 case 'b':
907 res = sscanf(optarg, "%llu", &ctx->use_superblock);
908 if (res != 1)
909 goto sscanf_err;
910 ctx->flags |= E2F_FLAG_SB_SPECIFIED;
911 break;
912 case 'B':
913 ctx->blocksize = atoi(optarg);
914 break;
915 case 'I':
916 res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks);
917 if (res != 1)
918 goto sscanf_err;
919 break;
920 case 'j':
921 ctx->journal_name = blkid_get_devname(ctx->blkid,
922 optarg, NULL);
923 if (!ctx->journal_name) {
924 com_err(ctx->program_name, 0,
925 _("Unable to resolve '%s'"),
926 optarg);
927 fatal_error(ctx, 0);
928 }
929 break;
930 case 'P':
931 res = sscanf(optarg, "%d", &ctx->process_inode_size);
932 if (res != 1)
933 goto sscanf_err;
934 break;
935 case 'L':
936 replace_bad_blocks++;
937 case 'l':
938 if (bad_blocks_file)
939 free(bad_blocks_file);
940 bad_blocks_file = string_copy(ctx, optarg, 0);
941 break;
942 case 'd':
943 ctx->options |= E2F_OPT_DEBUG;
944 break;
945 case 'f':
946 ctx->options |= E2F_OPT_FORCE;
947 break;
948 case 'F':
949 flush = 1;
950 break;
951 case 'v':
952 verbose = 1;
953 break;
954 case 'V':
955 show_version_only = 1;
956 break;
957 #ifdef MTRACE
958 case 'M':
959 mallwatch = (void *) strtol(optarg, NULL, 0);
960 break;
961 #endif
962 case 'N':
963 ctx->device_name = string_copy(ctx, optarg, 0);
964 break;
965 case 'k':
966 keep_bad_blocks++;
967 break;
968 case 'z':
969 ctx->undo_file = optarg;
970 break;
971 default:
972 usage(ctx);
973 }
974 if (show_version_only)
975 return 0;
976 if (optind != argc - 1)
977 usage(ctx);
978 if ((ctx->options & E2F_OPT_NO) &&
979 (ctx->options & E2F_OPT_COMPRESS_DIRS)) {
980 com_err(ctx->program_name, 0, "%s",
981 _("The -n and -D options are incompatible."));
982 fatal_error(ctx, 0);
983 }
984 if ((ctx->options & E2F_OPT_NO) && cflag) {
985 com_err(ctx->program_name, 0, "%s",
986 _("The -n and -c options are incompatible."));
987 fatal_error(ctx, 0);
988 }
989 if ((ctx->options & E2F_OPT_NO) && bad_blocks_file) {
990 com_err(ctx->program_name, 0, "%s",
991 _("The -n and -l/-L options are incompatible."));
992 fatal_error(ctx, 0);
993 }
994 if (ctx->options & E2F_OPT_NO)
995 ctx->options |= E2F_OPT_READONLY;
996
997 ctx->io_options = strchr(argv[optind], '?');
998 if (ctx->io_options)
999 *ctx->io_options++ = 0;
1000 ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0);
1001 if (!ctx->filesystem_name) {
1002 com_err(ctx->program_name, 0, _("Unable to resolve '%s'"),
1003 argv[optind]);
1004 fatal_error(ctx, 0);
1005 }
1006 if (extended_opts)
1007 parse_extended_opts(ctx, extended_opts);
1008
1009 /* Complain about mutually exclusive rebuilding activities */
1010 if (getenv("E2FSCK_FIXES_ONLY"))
1011 ctx->options |= E2F_OPT_FIXES_ONLY;
1012 if ((ctx->options & E2F_OPT_COMPRESS_DIRS) &&
1013 (ctx->options & E2F_OPT_FIXES_ONLY)) {
1014 com_err(ctx->program_name, 0, "%s",
1015 _("The -D and -E fixes_only options are incompatible."));
1016 fatal_error(ctx, 0);
1017 }
1018 if ((ctx->options & E2F_OPT_CONVERT_BMAP) &&
1019 (ctx->options & E2F_OPT_FIXES_ONLY)) {
1020 com_err(ctx->program_name, 0, "%s",
1021 _("The -E bmap2extent and fixes_only options are incompatible."));
1022 fatal_error(ctx, 0);
1023 }
1024
1025 if ((cp = getenv("E2FSCK_CONFIG")) != NULL)
1026 config_fn[0] = cp;
1027 profile_set_syntax_err_cb(syntax_err_report);
1028 profile_init(config_fn, &ctx->profile);
1029
1030 profile_get_boolean(ctx->profile, "options", "report_time", 0, 0,
1031 &c);
1032 if (c)
1033 ctx->options |= E2F_OPT_TIME | E2F_OPT_TIME2;
1034 profile_get_boolean(ctx->profile, "options", "report_verbose", 0, 0,
1035 &c);
1036 if (c)
1037 verbose = 1;
1038
1039 profile_get_boolean(ctx->profile, "options", "no_optimize_extents",
1040 0, 0, &c);
1041 if (c)
1042 ctx->options |= E2F_OPT_NOOPT_EXTENTS;
1043
1044 profile_get_boolean(ctx->profile, "options", "inode_count_fullmap",
1045 0, 0, &c);
1046 if (c)
1047 ctx->options |= E2F_OPT_ICOUNT_FULLMAP;
1048
1049 if (ctx->readahead_kb == ~0ULL) {
1050 profile_get_integer(ctx->profile, "options",
1051 "readahead_mem_pct", 0, -1, &c);
1052 if (c >= 0 && c <= 100)
1053 ctx->readahead_kb = phys_mem_kb * c / 100;
1054 profile_get_integer(ctx->profile, "options",
1055 "readahead_kb", 0, -1, &c);
1056 if (c >= 0)
1057 ctx->readahead_kb = c;
1058 if (ctx->readahead_kb != ~0ULL &&
1059 ctx->readahead_kb > phys_mem_kb)
1060 ctx->readahead_kb = phys_mem_kb;
1061 }
1062
1063 /* Turn off discard in read-only mode */
1064 if ((ctx->options & E2F_OPT_NO) &&
1065 (ctx->options & E2F_OPT_DISCARD))
1066 ctx->options &= ~E2F_OPT_DISCARD;
1067
1068 if (flush) {
1069 fd = open(ctx->filesystem_name, O_RDONLY, 0);
1070 if (fd < 0) {
1071 com_err("open", errno,
1072 _("while opening %s for flushing"),
1073 ctx->filesystem_name);
1074 fatal_error(ctx, 0);
1075 }
1076 if ((retval = ext2fs_sync_device(fd, 1))) {
1077 com_err("ext2fs_sync_device", retval,
1078 _("while trying to flush %s"),
1079 ctx->filesystem_name);
1080 fatal_error(ctx, 0);
1081 }
1082 close(fd);
1083 }
1084 if (cflag && bad_blocks_file) {
1085 fprintf(stderr, "%s", _("The -c and the -l/-L options may not "
1086 "be both used at the same time.\n"));
1087 exit(FSCK_USAGE);
1088 }
1089 #ifdef HAVE_SIGNAL_H
1090 /*
1091 * Set up signal action
1092 */
1093 memset(&sa, 0, sizeof(struct sigaction));
1094 sa.sa_handler = signal_cancel;
1095 sigaction(SIGINT, &sa, 0);
1096 sigaction(SIGTERM, &sa, 0);
1097 #ifdef SA_RESTART
1098 sa.sa_flags = SA_RESTART;
1099 #endif
1100 sa.sa_handler = signal_progress_on;
1101 sigaction(SIGUSR1, &sa, 0);
1102 sa.sa_handler = signal_progress_off;
1103 sigaction(SIGUSR2, &sa, 0);
1104 #endif
1105
1106 /* Update our PATH to include /sbin if we need to run badblocks */
1107 if (cflag) {
1108 char *oldpath = getenv("PATH");
1109 char *newpath;
1110 int len = sizeof(PATH_SET) + 1;
1111
1112 if (oldpath)
1113 len += strlen(oldpath);
1114
1115 newpath = malloc(len);
1116 if (!newpath)
1117 fatal_error(ctx, "Couldn't malloc() newpath");
1118 strcpy(newpath, PATH_SET);
1119
1120 if (oldpath) {
1121 strcat(newpath, ":");
1122 strcat(newpath, oldpath);
1123 }
1124 putenv(newpath);
1125 }
1126 #ifdef CONFIG_JBD_DEBUG
1127 jbd_debug = getenv("E2FSCK_JBD_DEBUG");
1128 if (jbd_debug) {
1129 res = sscanf(jbd_debug, "%d", &journal_enable_debug);
1130 if (res != 1) {
1131 fprintf(stderr,
1132 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"),
1133 jbd_debug);
1134 exit (1);
1135 }
1136 }
1137 #endif
1138 return 0;
1139
1140 sscanf_err:
1141 fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"),
1142 c, optarg);
1143 exit (1);
1144 }
1145
1146 static errcode_t try_open_fs(e2fsck_t ctx, int flags, io_manager io_ptr,
1147 ext2_filsys *ret_fs)
1148 {
1149 errcode_t retval;
1150
1151 *ret_fs = NULL;
1152 if (ctx->superblock && ctx->blocksize) {
1153 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
1154 flags, ctx->superblock, ctx->blocksize,
1155 io_ptr, ret_fs);
1156 } else if (ctx->superblock) {
1157 int blocksize;
1158 for (blocksize = EXT2_MIN_BLOCK_SIZE;
1159 blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) {
1160 if (*ret_fs) {
1161 ext2fs_free(*ret_fs);
1162 *ret_fs = NULL;
1163 }
1164 retval = ext2fs_open2(ctx->filesystem_name,
1165 ctx->io_options, flags,
1166 ctx->superblock, blocksize,
1167 io_ptr, ret_fs);
1168 if (!retval)
1169 break;
1170 }
1171 } else
1172 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
1173 flags, 0, 0, io_ptr, ret_fs);
1174
1175 if (retval == 0) {
1176 (*ret_fs)->priv_data = ctx;
1177 e2fsck_set_bitmap_type(*ret_fs, EXT2FS_BMAP64_RBTREE,
1178 "default", NULL);
1179 }
1180 return retval;
1181 }
1182
1183 static const char *my_ver_string = E2FSPROGS_VERSION;
1184 static const char *my_ver_date = E2FSPROGS_DATE;
1185
1186 static errcode_t e2fsck_check_mmp(ext2_filsys fs, e2fsck_t ctx)
1187 {
1188 struct mmp_struct *mmp_s;
1189 unsigned int mmp_check_interval;
1190 errcode_t retval = 0;
1191 struct problem_context pctx;
1192 unsigned int wait_time = 0;
1193
1194 clear_problem_context(&pctx);
1195 if (fs->mmp_buf == NULL) {
1196 retval = ext2fs_get_mem(fs->blocksize, &fs->mmp_buf);
1197 if (retval)
1198 goto check_error;
1199 }
1200
1201 retval = ext2fs_mmp_read(fs, fs->super->s_mmp_block, fs->mmp_buf);
1202 if (retval)
1203 goto check_error;
1204
1205 mmp_s = fs->mmp_buf;
1206
1207 mmp_check_interval = fs->super->s_mmp_update_interval;
1208 if (mmp_check_interval < EXT4_MMP_MIN_CHECK_INTERVAL)
1209 mmp_check_interval = EXT4_MMP_MIN_CHECK_INTERVAL;
1210
1211 /*
1212 * If check_interval in MMP block is larger, use that instead of
1213 * check_interval from the superblock.
1214 */
1215 if (mmp_s->mmp_check_interval > mmp_check_interval)
1216 mmp_check_interval = mmp_s->mmp_check_interval;
1217
1218 wait_time = mmp_check_interval * 2 + 1;
1219
1220 if (mmp_s->mmp_seq == EXT4_MMP_SEQ_CLEAN)
1221 retval = 0;
1222 else if (mmp_s->mmp_seq == EXT4_MMP_SEQ_FSCK)
1223 retval = EXT2_ET_MMP_FSCK_ON;
1224 else if (mmp_s->mmp_seq > EXT4_MMP_SEQ_MAX)
1225 retval = EXT2_ET_MMP_UNKNOWN_SEQ;
1226
1227 if (retval)
1228 goto check_error;
1229
1230 /* Print warning if e2fsck will wait for more than 20 secs. */
1231 if (verbose || wait_time > EXT4_MMP_MIN_CHECK_INTERVAL * 4) {
1232 log_out(ctx, _("MMP interval is %u seconds and total wait "
1233 "time is %u seconds. Please wait...\n"),
1234 mmp_check_interval, wait_time * 2);
1235 }
1236
1237 return 0;
1238
1239 check_error:
1240
1241 if (retval == EXT2_ET_MMP_BAD_BLOCK) {
1242 if (fix_problem(ctx, PR_0_MMP_INVALID_BLK, &pctx)) {
1243 fs->super->s_mmp_block = 0;
1244 ext2fs_mark_super_dirty(fs);
1245 retval = 0;
1246 }
1247 } else if (retval == EXT2_ET_MMP_FAILED) {
1248 com_err(ctx->program_name, retval, "%s",
1249 _("while checking MMP block"));
1250 dump_mmp_msg(fs->mmp_buf, NULL);
1251 } else if (retval == EXT2_ET_MMP_FSCK_ON ||
1252 retval == EXT2_ET_MMP_UNKNOWN_SEQ) {
1253 com_err(ctx->program_name, retval, "%s",
1254 _("while checking MMP block"));
1255 dump_mmp_msg(fs->mmp_buf,
1256 _("If you are sure the filesystem is not "
1257 "in use on any node, run:\n"
1258 "'tune2fs -f -E clear_mmp %s'\n"),
1259 ctx->device_name);
1260 } else if (retval == EXT2_ET_MMP_MAGIC_INVALID) {
1261 if (fix_problem(ctx, PR_0_MMP_INVALID_MAGIC, &pctx)) {
1262 ext2fs_mmp_clear(fs);
1263 retval = 0;
1264 }
1265 } else if (retval == EXT2_ET_MMP_CSUM_INVALID) {
1266 if (fix_problem(ctx, PR_0_MMP_CSUM_INVALID, &pctx)) {
1267 ext2fs_mmp_clear(fs);
1268 retval = 0;
1269 }
1270 } else
1271 com_err(ctx->program_name, retval, "%s",
1272 _("while reading MMP block"));
1273 return retval;
1274 }
1275
1276 static int e2fsck_setup_tdb(e2fsck_t ctx, io_manager *io_ptr)
1277 {
1278 errcode_t retval = ENOMEM;
1279 char *tdb_dir = NULL, *tdb_file = NULL;
1280 char *dev_name, *tmp_name;
1281 int free_tdb_dir = 0;
1282
1283 /* (re)open a specific undo file */
1284 if (ctx->undo_file && ctx->undo_file[0] != 0) {
1285 retval = set_undo_io_backing_manager(*io_ptr);
1286 if (retval)
1287 goto err;
1288 *io_ptr = undo_io_manager;
1289 retval = set_undo_io_backup_file(ctx->undo_file);
1290 if (retval)
1291 goto err;
1292 printf(_("Overwriting existing filesystem; this can be undone "
1293 "using the command:\n"
1294 " e2undo %s %s\n\n"),
1295 ctx->undo_file, ctx->filesystem_name);
1296 return retval;
1297 }
1298
1299 /*
1300 * Configuration via a conf file would be
1301 * nice
1302 */
1303 tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
1304 if (!tdb_dir) {
1305 profile_get_string(ctx->profile, "defaults",
1306 "undo_dir", 0, "/var/lib/e2fsprogs",
1307 &tdb_dir);
1308 free_tdb_dir = 1;
1309 }
1310
1311 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
1312 access(tdb_dir, W_OK)) {
1313 if (free_tdb_dir)
1314 free(tdb_dir);
1315 return 0;
1316 }
1317
1318 tmp_name = strdup(ctx->filesystem_name);
1319 if (!tmp_name)
1320 goto errout;
1321 dev_name = basename(tmp_name);
1322 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
1323 if (!tdb_file) {
1324 free(tmp_name);
1325 goto errout;
1326 }
1327 sprintf(tdb_file, "%s/e2fsck-%s.e2undo", tdb_dir, dev_name);
1328 free(tmp_name);
1329
1330 if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
1331 retval = errno;
1332 com_err(ctx->program_name, retval,
1333 _("while trying to delete %s"), tdb_file);
1334 goto errout;
1335 }
1336
1337 retval = set_undo_io_backing_manager(*io_ptr);
1338 if (retval)
1339 goto errout;
1340 *io_ptr = undo_io_manager;
1341 retval = set_undo_io_backup_file(tdb_file);
1342 if (retval)
1343 goto errout;
1344 printf(_("Overwriting existing filesystem; this can be undone "
1345 "using the command:\n"
1346 " e2undo %s %s\n\n"), tdb_file, ctx->filesystem_name);
1347
1348 if (free_tdb_dir)
1349 free(tdb_dir);
1350 free(tdb_file);
1351 return 0;
1352
1353 errout:
1354 if (free_tdb_dir)
1355 free(tdb_dir);
1356 free(tdb_file);
1357 err:
1358 com_err(ctx->program_name, retval, "%s",
1359 _("while trying to setup undo file\n"));
1360 return retval;
1361 }
1362
1363 int main (int argc, char *argv[])
1364 {
1365 errcode_t retval = 0, retval2 = 0, orig_retval = 0;
1366 int exit_value = FSCK_OK;
1367 ext2_filsys fs = 0;
1368 io_manager io_ptr;
1369 struct ext2_super_block *sb;
1370 const char *lib_ver_date;
1371 int my_ver, lib_ver;
1372 e2fsck_t ctx;
1373 blk64_t orig_superblock = ~(blk64_t)0;
1374 struct problem_context pctx;
1375 int flags, run_result, was_changed;
1376 int journal_size;
1377 int sysval, sys_page_size = 4096;
1378 int old_bitmaps;
1379 __u32 features[3];
1380 char *cp;
1381 enum quota_type qtype;
1382
1383 clear_problem_context(&pctx);
1384 sigcatcher_setup();
1385 #ifdef MTRACE
1386 mtrace();
1387 #endif
1388 #ifdef MCHECK
1389 mcheck(0);
1390 #endif
1391 #ifdef ENABLE_NLS
1392 setlocale(LC_MESSAGES, "");
1393 setlocale(LC_CTYPE, "");
1394 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
1395 textdomain(NLS_CAT_NAME);
1396 set_com_err_gettext(gettext);
1397 #endif
1398 my_ver = ext2fs_parse_version_string(my_ver_string);
1399 lib_ver = ext2fs_get_library_version(0, &lib_ver_date);
1400 if (my_ver > lib_ver) {
1401 fprintf( stderr, "%s",
1402 _("Error: ext2fs library version out of date!\n"));
1403 show_version_only++;
1404 }
1405
1406 retval = PRS(argc, argv, &ctx);
1407 if (retval) {
1408 com_err("e2fsck", retval, "%s",
1409 _("while trying to initialize program"));
1410 exit(FSCK_ERROR);
1411 }
1412 reserve_stdio_fds();
1413
1414 set_up_logging(ctx);
1415 if (ctx->logf) {
1416 int i;
1417 fputs("E2fsck run: ", ctx->logf);
1418 for (i = 0; i < argc; i++) {
1419 if (i)
1420 fputc(' ', ctx->logf);
1421 fputs(argv[i], ctx->logf);
1422 }
1423 fputc('\n', ctx->logf);
1424 }
1425
1426 init_resource_track(&ctx->global_rtrack, NULL);
1427 if (!(ctx->options & E2F_OPT_PREEN) || show_version_only)
1428 log_err(ctx, "e2fsck %s (%s)\n", my_ver_string,
1429 my_ver_date);
1430
1431 if (show_version_only) {
1432 log_err(ctx, _("\tUsing %s, %s\n"),
1433 error_message(EXT2_ET_BASE), lib_ver_date);
1434 exit(FSCK_OK);
1435 }
1436
1437 check_mount(ctx);
1438
1439 if (!(ctx->options & E2F_OPT_PREEN) &&
1440 !(ctx->options & E2F_OPT_NO) &&
1441 !(ctx->options & E2F_OPT_YES)) {
1442 if (!ctx->interactive)
1443 fatal_error(ctx,
1444 _("need terminal for interactive repairs"));
1445 }
1446 ctx->superblock = ctx->use_superblock;
1447
1448 flags = EXT2_FLAG_SKIP_MMP;
1449 restart:
1450 #ifdef CONFIG_TESTIO_DEBUG
1451 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1452 io_ptr = test_io_manager;
1453 test_io_backing_manager = unix_io_manager;
1454 } else
1455 #endif
1456 io_ptr = unix_io_manager;
1457 flags |= EXT2_FLAG_NOFREE_ON_ERROR;
1458 profile_get_boolean(ctx->profile, "options", "old_bitmaps", 0, 0,
1459 &old_bitmaps);
1460 if (!old_bitmaps)
1461 flags |= EXT2_FLAG_64BITS;
1462 if ((ctx->options & E2F_OPT_READONLY) == 0) {
1463 flags |= EXT2_FLAG_RW;
1464 if (!(ctx->mount_flags & EXT2_MF_ISROOT &&
1465 ctx->mount_flags & EXT2_MF_READONLY))
1466 flags |= EXT2_FLAG_EXCLUSIVE;
1467 if ((ctx->mount_flags & EXT2_MF_READONLY) &&
1468 (ctx->options & E2F_OPT_FORCE))
1469 flags &= ~EXT2_FLAG_EXCLUSIVE;
1470 }
1471
1472 if (ctx->undo_file) {
1473 retval = e2fsck_setup_tdb(ctx, &io_ptr);
1474 if (retval)
1475 exit(FSCK_ERROR);
1476 }
1477
1478 ctx->openfs_flags = flags;
1479 retval = try_open_fs(ctx, flags, io_ptr, &fs);
1480
1481 if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) &&
1482 !(ctx->flags & E2F_FLAG_SB_SPECIFIED) &&
1483 ((retval == EXT2_ET_BAD_MAGIC) ||
1484 (retval == EXT2_ET_SB_CSUM_INVALID) ||
1485 (retval == EXT2_ET_CORRUPT_SUPERBLOCK) ||
1486 ((retval == 0) && (retval2 = ext2fs_check_desc(fs))))) {
1487 if (retval) {
1488 pctx.errcode = retval;
1489 fix_problem(ctx, PR_0_OPEN_FAILED, &pctx);
1490 }
1491 if (retval2) {
1492 pctx.errcode = retval2;
1493 fix_problem(ctx, PR_0_CHECK_DESC_FAILED, &pctx);
1494 }
1495 pctx.errcode = 0;
1496 if (retval2 == ENOMEM || retval2 == EXT2_ET_NO_MEMORY) {
1497 retval = retval2;
1498 goto failure;
1499 }
1500 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) {
1501 ext2fs_free(fs);
1502 fs = NULL;
1503 }
1504 if (!fs || (fs->group_desc_count > 1)) {
1505 log_out(ctx, _("%s: %s trying backup blocks...\n"),
1506 ctx->program_name,
1507 retval ? _("Superblock invalid,") :
1508 _("Group descriptors look bad..."));
1509 orig_superblock = ctx->superblock;
1510 get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr);
1511 if (fs)
1512 ext2fs_close_free(&fs);
1513 orig_retval = retval;
1514 retval = try_open_fs(ctx, flags, io_ptr, &fs);
1515 if ((orig_retval == 0) && retval != 0) {
1516 if (fs)
1517 ext2fs_close_free(&fs);
1518 log_out(ctx, _("%s: %s while using the "
1519 "backup blocks"),
1520 ctx->program_name,
1521 error_message(retval));
1522 log_out(ctx, _("%s: going back to original "
1523 "superblock\n"),
1524 ctx->program_name);
1525 ctx->superblock = orig_superblock;
1526 retval = try_open_fs(ctx, flags, io_ptr, &fs);
1527 }
1528 }
1529 }
1530 if (((retval == EXT2_ET_UNSUPP_FEATURE) ||
1531 (retval == EXT2_ET_RO_UNSUPP_FEATURE)) &&
1532 fs && fs->super) {
1533 sb = fs->super;
1534 features[0] = (sb->s_feature_compat &
1535 ~EXT2_LIB_FEATURE_COMPAT_SUPP);
1536 features[1] = (sb->s_feature_incompat &
1537 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP);
1538 features[2] = (sb->s_feature_ro_compat &
1539 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
1540 if (features[0] || features[1] || features[2])
1541 goto print_unsupp_features;
1542 }
1543 failure:
1544 if (retval) {
1545 if (orig_retval)
1546 retval = orig_retval;
1547 com_err(ctx->program_name, retval, _("while trying to open %s"),
1548 ctx->filesystem_name);
1549 if (retval == EXT2_ET_REV_TOO_HIGH) {
1550 log_out(ctx, "%s",
1551 _("The filesystem revision is apparently "
1552 "too high for this version of e2fsck.\n"
1553 "(Or the filesystem superblock "
1554 "is corrupt)\n\n"));
1555 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
1556 } else if (retval == EXT2_ET_SHORT_READ)
1557 log_out(ctx, "%s",
1558 _("Could this be a zero-length partition?\n"));
1559 else if ((retval == EPERM) || (retval == EACCES))
1560 log_out(ctx, _("You must have %s access to the "
1561 "filesystem or be root\n"),
1562 (ctx->options & E2F_OPT_READONLY) ?
1563 "r/o" : "r/w");
1564 else if (retval == ENXIO)
1565 log_out(ctx, "%s",
1566 _("Possibly non-existent or swap device?\n"));
1567 else if (retval == EBUSY)
1568 log_out(ctx, "%s", _("Filesystem mounted or opened "
1569 "exclusively by another program?\n"));
1570 else if (retval == ENOENT)
1571 log_out(ctx, "%s",
1572 _("Possibly non-existent device?\n"));
1573 #ifdef EROFS
1574 else if (retval == EROFS)
1575 log_out(ctx, "%s", _("Disk write-protected; use the "
1576 "-n option to do a read-only\n"
1577 "check of the device.\n"));
1578 #endif
1579 else {
1580 /*
1581 * Let's try once more will less consistency checking
1582 * so that we are able to recover from more errors
1583 * (e.g. some tool messing up some value in the sb).
1584 */
1585 if (!(flags & EXT2_FLAG_IGNORE_SB_ERRORS)) {
1586 if (fs)
1587 ext2fs_close_free(&fs);
1588 log_out(ctx, _("%s: Trying to load superblock "
1589 "despite errors...\n"),
1590 ctx->program_name);
1591 flags |= EXT2_FLAG_IGNORE_SB_ERRORS;
1592 /*
1593 * If we tried backup sb, revert to the
1594 * original one now.
1595 */
1596 if (orig_superblock != ~(blk64_t)0)
1597 ctx->superblock = orig_superblock;
1598 goto restart;
1599 }
1600 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
1601 if (retval == EXT2_ET_BAD_MAGIC)
1602 check_plausibility(ctx->filesystem_name,
1603 CHECK_FS_EXIST, NULL);
1604 }
1605 fatal_error(ctx, 0);
1606 }
1607 /*
1608 * We only update the master superblock because (a) paranoia;
1609 * we don't want to corrupt the backup superblocks, and (b) we
1610 * don't need to update the mount count and last checked
1611 * fields in the backup superblock (the kernel doesn't update
1612 * the backup superblocks anyway). With newer versions of the
1613 * library this flag is set by ext2fs_open2(), but we set this
1614 * here just to be sure. (No, we don't support e2fsck running
1615 * with some other libext2fs than the one that it was shipped
1616 * with, but just in case....)
1617 */
1618 fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
1619
1620 if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) {
1621 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super);
1622 int need_restart = 0;
1623
1624 pctx.errcode = ext2fs_get_device_size2(ctx->filesystem_name,
1625 blocksize,
1626 &ctx->num_blocks);
1627 /*
1628 * The floppy driver refuses to allow anyone else to
1629 * open the device if has been opened with O_EXCL;
1630 * this is unlike other block device drivers in Linux.
1631 * To handle this, we close the filesystem and then
1632 * reopen the filesystem after we get the device size.
1633 */
1634 if (pctx.errcode == EBUSY) {
1635 ext2fs_close_free(&fs);
1636 need_restart++;
1637 pctx.errcode =
1638 ext2fs_get_device_size2(ctx->filesystem_name,
1639 blocksize,
1640 &ctx->num_blocks);
1641 }
1642 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED)
1643 ctx->num_blocks = 0;
1644 else if (pctx.errcode) {
1645 fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx);
1646 ctx->flags |= E2F_FLAG_ABORT;
1647 fatal_error(ctx, 0);
1648 }
1649 ctx->flags |= E2F_FLAG_GOT_DEVSIZE;
1650 if (need_restart)
1651 goto restart;
1652 }
1653
1654 ctx->fs = fs;
1655 fs->now = ctx->now;
1656 sb = fs->super;
1657
1658 if (sb->s_rev_level > E2FSCK_CURRENT_REV) {
1659 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH,
1660 _("while trying to open %s"),
1661 ctx->filesystem_name);
1662 get_newer:
1663 fatal_error(ctx, _("Get a newer version of e2fsck!"));
1664 }
1665
1666 /*
1667 * Set the device name, which is used whenever we print error
1668 * or informational messages to the user.
1669 */
1670 if (ctx->device_name == 0 &&
1671 (sb->s_volume_name[0] != 0)) {
1672 ctx->device_name = string_copy(ctx, sb->s_volume_name,
1673 sizeof(sb->s_volume_name));
1674 }
1675 if (ctx->device_name == 0)
1676 ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0);
1677 for (cp = ctx->device_name; *cp; cp++)
1678 if (isspace(*cp) || *cp == ':')
1679 *cp = '_';
1680
1681 ehandler_init(fs->io);
1682
1683 if (ext2fs_has_feature_mmp(fs->super) &&
1684 (flags & EXT2_FLAG_SKIP_MMP)) {
1685 if (e2fsck_check_mmp(fs, ctx))
1686 fatal_error(ctx, 0);
1687
1688 /*
1689 * Restart in order to reopen fs but this time start mmp.
1690 */
1691 ext2fs_close_free(&ctx->fs);
1692 flags &= ~EXT2_FLAG_SKIP_MMP;
1693 goto restart;
1694 }
1695
1696 if (ctx->logf)
1697 fprintf(ctx->logf, "Filesystem UUID: %s\n",
1698 e2p_uuid2str(sb->s_uuid));
1699
1700 /*
1701 * Make sure the ext3 superblock fields are consistent.
1702 */
1703 if ((ctx->mount_flags & (EXT2_MF_MOUNTED | EXT2_MF_BUSY)) == 0) {
1704 retval = e2fsck_check_ext3_journal(ctx);
1705 if (retval) {
1706 com_err(ctx->program_name, retval,
1707 _("while checking journal for %s"),
1708 ctx->device_name);
1709 fatal_error(ctx,
1710 _("Cannot proceed with file system check"));
1711 }
1712 }
1713
1714 /*
1715 * Check to see if we need to do ext3-style recovery. If so,
1716 * do it, and then restart the fsck.
1717 */
1718 if (ext2fs_has_feature_journal_needs_recovery(sb)) {
1719 if (ctx->options & E2F_OPT_READONLY) {
1720 log_out(ctx, "%s",
1721 _("Warning: skipping journal recovery because "
1722 "doing a read-only filesystem check.\n"));
1723 io_channel_flush(ctx->fs->io);
1724 } else {
1725 if (ctx->flags & E2F_FLAG_RESTARTED) {
1726 /*
1727 * Whoops, we attempted to run the
1728 * journal twice. This should never
1729 * happen, unless the hardware or
1730 * device driver is being bogus.
1731 */
1732 com_err(ctx->program_name, 0,
1733 _("unable to set superblock flags "
1734 "on %s\n"), ctx->device_name);
1735 fatal_error(ctx, 0);
1736 }
1737 retval = e2fsck_run_ext3_journal(ctx);
1738 if (retval == EFSBADCRC) {
1739 log_out(ctx, _("Journal checksum error "
1740 "found in %s\n"),
1741 ctx->device_name);
1742 } else if (retval == EFSCORRUPTED) {
1743 log_out(ctx, _("Journal corrupted in %s\n"),
1744 ctx->device_name);
1745 } else if (retval) {
1746 com_err(ctx->program_name, retval,
1747 _("while recovering journal of %s"),
1748 ctx->device_name);
1749 }
1750 ext2fs_close_free(&ctx->fs);
1751 ctx->flags |= E2F_FLAG_RESTARTED;
1752 goto restart;
1753 }
1754 }
1755
1756 /*
1757 * Check for compatibility with the feature sets. We need to
1758 * be more stringent than ext2fs_open().
1759 */
1760 features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP;
1761 features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP;
1762 features[2] = (sb->s_feature_ro_compat &
1763 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
1764 print_unsupp_features:
1765 if (features[0] || features[1] || features[2]) {
1766 int i, j;
1767 __u32 *mask = features, m;
1768
1769 log_err(ctx, _("%s has unsupported feature(s):"),
1770 ctx->filesystem_name);
1771
1772 for (i=0; i <3; i++,mask++) {
1773 for (j=0,m=1; j < 32; j++, m<<=1) {
1774 if (*mask & m)
1775 log_err(ctx, " %s",
1776 e2p_feature2string(i, m));
1777 }
1778 }
1779 log_err(ctx, "\n");
1780 goto get_newer;
1781 }
1782
1783 /*
1784 * If the user specified a specific superblock, presumably the
1785 * master superblock has been trashed. So we mark the
1786 * superblock as dirty, so it can be written out.
1787 */
1788 if (ctx->superblock &&
1789 !(ctx->options & E2F_OPT_READONLY))
1790 ext2fs_mark_super_dirty(fs);
1791
1792 /*
1793 * Calculate the number of filesystem blocks per pagesize. If
1794 * fs->blocksize > page_size, set the number of blocks per
1795 * pagesize to 1 to avoid division by zero errors.
1796 */
1797 #ifdef _SC_PAGESIZE
1798 sysval = sysconf(_SC_PAGESIZE);
1799 if (sysval > 0)
1800 sys_page_size = sysval;
1801 #endif /* _SC_PAGESIZE */
1802 ctx->blocks_per_page = sys_page_size / fs->blocksize;
1803 if (ctx->blocks_per_page == 0)
1804 ctx->blocks_per_page = 1;
1805
1806 if (ctx->superblock)
1807 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0);
1808 ext2fs_mark_valid(fs);
1809 check_super_block(ctx);
1810 if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1811 fatal_error(ctx, 0);
1812 check_if_skip(ctx);
1813 check_resize_inode(ctx);
1814 if (bad_blocks_file)
1815 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks);
1816 else if (cflag)
1817 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */
1818 if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1819 fatal_error(ctx, 0);
1820
1821 /*
1822 * Mark the system as valid, 'til proven otherwise
1823 */
1824 ext2fs_mark_valid(fs);
1825
1826 retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
1827 if (retval) {
1828 log_out(ctx, _("%s: %s while reading bad blocks inode\n"),
1829 ctx->program_name, error_message(retval));
1830 preenhalt(ctx);
1831 log_out(ctx, "%s", _("This doesn't bode well, "
1832 "but we'll try to go on...\n"));
1833 }
1834
1835 /*
1836 * Save the journal size in megabytes.
1837 * Try and use the journal size from the backup else let e2fsck
1838 * find the default journal size.
1839 */
1840 if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS)
1841 journal_size = (sb->s_jnl_blocks[15] << (32 - 20)) |
1842 (sb->s_jnl_blocks[16] >> 20);
1843 else
1844 journal_size = -1;
1845
1846 if (ext2fs_has_feature_quota(sb)) {
1847 /* Quotas were enabled. Do quota accounting during fsck. */
1848 clear_problem_context(&pctx);
1849 pctx.errcode = quota_init_context(&ctx->qctx, ctx->fs, 0);
1850 if (pctx.errcode) {
1851 fix_problem(ctx, PR_0_QUOTA_INIT_CTX, &pctx);
1852 fatal_error(ctx, 0);
1853 }
1854 }
1855
1856 run_result = e2fsck_run(ctx);
1857 e2fsck_clear_progbar(ctx);
1858
1859 if (!ctx->invalid_bitmaps &&
1860 (ctx->flags & E2F_FLAG_JOURNAL_INODE)) {
1861 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) {
1862 if (journal_size < 1024)
1863 journal_size = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super));
1864 if (journal_size < 0) {
1865 ext2fs_clear_feature_journal(fs->super);
1866 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
1867 log_out(ctx, "%s: Couldn't determine "
1868 "journal size\n", ctx->program_name);
1869 goto no_journal;
1870 }
1871 log_out(ctx, _("Creating journal (%d blocks): "),
1872 journal_size);
1873 fflush(stdout);
1874 retval = ext2fs_add_journal_inode(fs,
1875 journal_size, 0);
1876 if (retval) {
1877 log_out(ctx, "%s: while trying to create "
1878 "journal\n", error_message(retval));
1879 goto no_journal;
1880 }
1881 log_out(ctx, "%s", _(" Done.\n"));
1882 log_out(ctx, "%s",
1883 _("\n*** journal has been regenerated ***\n"));
1884 }
1885 }
1886 no_journal:
1887
1888 if (run_result & E2F_FLAG_ABORT) {
1889 fatal_error(ctx, _("aborted"));
1890 } else if (run_result & E2F_FLAG_CANCEL) {
1891 log_out(ctx, _("%s: e2fsck canceled.\n"), ctx->device_name ?
1892 ctx->device_name : ctx->filesystem_name);
1893 exit_value |= FSCK_CANCELED;
1894 } else if (ctx->qctx && !ctx->invalid_bitmaps) {
1895 int needs_writeout;
1896
1897 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
1898 if (*quota_sb_inump(sb, qtype) == 0)
1899 continue;
1900 needs_writeout = 0;
1901 pctx.num = qtype;
1902 retval = quota_compare_and_update(ctx->qctx, qtype,
1903 &needs_writeout);
1904 if ((retval || needs_writeout) &&
1905 fix_problem(ctx, PR_6_UPDATE_QUOTAS, &pctx)) {
1906 pctx.errcode = quota_write_inode(ctx->qctx,
1907 1 << qtype);
1908 if (pctx.errcode)
1909 (void) fix_problem(ctx,
1910 PR_6_WRITE_QUOTAS, &pctx);
1911 }
1912 }
1913 quota_release_context(&ctx->qctx);
1914 }
1915
1916 if (run_result == E2F_FLAG_RESTART) {
1917 log_out(ctx, "%s",
1918 _("Restarting e2fsck from the beginning...\n"));
1919 retval = e2fsck_reset_context(ctx);
1920 if (retval) {
1921 com_err(ctx->program_name, retval, "%s",
1922 _("while resetting context"));
1923 fatal_error(ctx, 0);
1924 }
1925 ext2fs_close_free(&ctx->fs);
1926 goto restart;
1927 }
1928
1929 #ifdef MTRACE
1930 mtrace_print("Cleanup");
1931 #endif
1932 was_changed = ext2fs_test_changed(fs);
1933 if (!(ctx->flags & E2F_FLAG_RUN_RETURN) &&
1934 !(ctx->options & E2F_OPT_READONLY)) {
1935 if (ext2fs_test_valid(fs)) {
1936 if (!(sb->s_state & EXT2_VALID_FS))
1937 exit_value |= FSCK_NONDESTRUCT;
1938 sb->s_state = EXT2_VALID_FS;
1939 if (check_backup_super_block(ctx))
1940 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
1941 } else
1942 sb->s_state &= ~EXT2_VALID_FS;
1943 if (!(ctx->flags & E2F_FLAG_TIME_INSANE))
1944 sb->s_lastcheck = ctx->now;
1945 sb->s_mnt_count = 0;
1946 memset(((char *) sb) + EXT4_S_ERR_START, 0, EXT4_S_ERR_LEN);
1947 pctx.errcode = ext2fs_set_gdt_csum(ctx->fs);
1948 if (pctx.errcode)
1949 fix_problem(ctx, PR_6_SET_BG_CHECKSUM, &pctx);
1950 ext2fs_mark_super_dirty(fs);
1951 }
1952
1953 if (ext2fs_has_feature_shared_blocks(ctx->fs->super) &&
1954 (ctx->options & E2F_OPT_UNSHARE_BLOCKS) &&
1955 (ctx->options & E2F_OPT_NO))
1956 /* Don't try to write or flush I/O, we just wanted to know whether or
1957 * not there were enough free blocks to undo deduplication.
1958 */
1959 goto skip_write;
1960
1961 if (!(ctx->options & E2F_OPT_READONLY)) {
1962 e2fsck_write_bitmaps(ctx);
1963 if (fs->flags & EXT2_FLAG_DIRTY) {
1964 pctx.errcode = ext2fs_flush(ctx->fs);
1965 if (pctx.errcode)
1966 fix_problem(ctx, PR_6_FLUSH_FILESYSTEM, &pctx);
1967 }
1968 pctx.errcode = io_channel_flush(ctx->fs->io);
1969 if (pctx.errcode)
1970 fix_problem(ctx, PR_6_IO_FLUSH, &pctx);
1971 }
1972
1973 if (was_changed) {
1974 int fs_fixed = (ctx->flags & E2F_FLAG_PROBLEMS_FIXED);
1975
1976 if (fs_fixed)
1977 exit_value |= FSCK_NONDESTRUCT;
1978 if (!(ctx->options & E2F_OPT_PREEN)) {
1979 #if 0 /* Do this later; it breaks too many tests' golden outputs */
1980 log_out(ctx, fs_fixed ?
1981 _("\n%s: ***** FILE SYSTEM ERRORS "
1982 "CORRECTED *****\n") :
1983 _("%s: File system was modified.\n"),
1984 ctx->device_name);
1985 #else
1986 log_out(ctx,
1987 _("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"),
1988 ctx->device_name);
1989 #endif
1990 }
1991 if (ctx->mount_flags & EXT2_MF_ISROOT) {
1992 log_out(ctx, _("%s: ***** REBOOT SYSTEM *****\n"),
1993 ctx->device_name);
1994 exit_value |= FSCK_REBOOT;
1995 }
1996 }
1997
1998 skip_write:
1999 if (!ext2fs_test_valid(fs) ||
2000 ((exit_value & FSCK_CANCELED) &&
2001 (sb->s_state & EXT2_ERROR_FS))) {
2002 log_out(ctx, _("\n%s: ********** WARNING: Filesystem still has "
2003 "errors **********\n\n"), ctx->device_name);
2004 exit_value |= FSCK_UNCORRECTED;
2005 exit_value &= ~FSCK_NONDESTRUCT;
2006 }
2007 if (exit_value & FSCK_CANCELED) {
2008 int allow_cancellation;
2009
2010 profile_get_boolean(ctx->profile, "options",
2011 "allow_cancellation", 0, 0,
2012 &allow_cancellation);
2013 exit_value &= ~FSCK_NONDESTRUCT;
2014 if (allow_cancellation && ext2fs_test_valid(fs) &&
2015 (sb->s_state & EXT2_VALID_FS) &&
2016 !(sb->s_state & EXT2_ERROR_FS))
2017 exit_value = 0;
2018 } else
2019 show_stats(ctx);
2020
2021 print_resource_track(ctx, NULL, &ctx->global_rtrack, ctx->fs->io);
2022
2023 ext2fs_close_free(&ctx->fs);
2024 free(ctx->journal_name);
2025
2026 if (ctx->logf)
2027 fprintf(ctx->logf, "Exit status: %d\n", exit_value);
2028 e2fsck_free_context(ctx);
2029 remove_error_table(&et_ext2_error_table);
2030 remove_error_table(&et_prof_error_table);
2031 return exit_value;
2032 }
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