unix.c revision 73f17cfc391221a5466e95c9dc1802564ce38973
1/*
2 * unix.c - The unix-specific code for e2fsck
3 *
4 * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
5 *
6 * %Begin-Header%
7 * This file may be redistributed under the terms of the GNU Public
8 * License.
9 * %End-Header%
10 */
11
12#include <stdio.h>
13#ifdef HAVE_STDLIB_H
14#include <stdlib.h>
15#endif
16#include <string.h>
17#include <fcntl.h>
18#include <ctype.h>
19#include <termios.h>
20#include <time.h>
21#ifdef HAVE_GETOPT_H
22#include <getopt.h>
23#endif
24#include <unistd.h>
25#ifdef HAVE_ERRNO_H
26#include <errno.h>
27#endif
28#ifdef HAVE_MNTENT_H
29#include <mntent.h>
30#endif
31#include <sys/ioctl.h>
32#include <malloc.h>
33
34#include "et/com_err.h"
35#include "e2fsck.h"
36#include "problem.h"
37#include "../version.h"
38
39extern int isatty(int);
40
41/* Command line options */
42static int blocksize = 0;
43static int swapfs = 0;
44static int normalize_swapfs = 0;
45static int cflag = 0;		/* check disk */
46static int show_version_only = 0;
47static int force = 0;
48static int verbose = 0;
49
50static int replace_bad_blocks = 0;
51static char *bad_blocks_file = 0;
52
53static int possible_block_sizes[] = { 1024, 2048, 4096, 8192, 0};
54
55static int root_filesystem = 0;
56static int read_only_root = 0;
57
58static void usage(e2fsck_t ctx)
59{
60	fprintf(stderr,
61		"Usage: %s [-panyrcdfvstFSV] [-b superblock] [-B blocksize]\n"
62		"\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n"
63		"\t\t[-l|-L bad_blocks_file] device\n", ctx->program_name);
64	exit(FSCK_USAGE);
65}
66
67static void show_stats(e2fsck_t	ctx)
68{
69	ext2_filsys fs = ctx->fs;
70	int inodes, inodes_used, blocks, blocks_used;
71	int dir_links;
72	int num_files, num_links;
73	int frag_percent;
74
75	dir_links = 2 * ctx->fs_directory_count - 1;
76	num_files = ctx->fs_total_count - dir_links;
77	num_links = ctx->fs_links_count - dir_links;
78	inodes = fs->super->s_inodes_count;
79	inodes_used = (fs->super->s_inodes_count -
80		       fs->super->s_free_inodes_count);
81	blocks = fs->super->s_blocks_count;
82	blocks_used = (fs->super->s_blocks_count -
83		       fs->super->s_free_blocks_count);
84
85	frag_percent = (10000 * ctx->fs_fragmented) / inodes_used;
86	frag_percent = (frag_percent + 5) / 10;
87
88	if (!verbose) {
89		printf("%s: %d/%d files (%0d.%d%% non-contiguous), %d/%d blocks\n",
90		       ctx->device_name, inodes_used, inodes,
91		       frag_percent / 10, frag_percent % 10,
92		       blocks_used, blocks);
93		return;
94	}
95	printf ("\n%8d inode%s used (%d%%)\n", inodes_used,
96		(inodes_used != 1) ? "s" : "",
97		100 * inodes_used / inodes);
98	printf ("%8d non-contiguous inodes (%0d.%d%%)\n",
99		ctx->fs_fragmented, frag_percent / 10, frag_percent % 10);
100	printf ("         # of inodes with ind/dind/tind blocks: %d/%d/%d\n",
101		ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count);
102	printf ("%8d block%s used (%d%%)\n"
103		"%8d bad block%s\n", blocks_used,
104		(blocks_used != 1) ? "s" : "",
105		100 * blocks_used / blocks, ctx->fs_badblocks_count,
106		ctx->fs_badblocks_count != 1 ? "s" : "");
107	printf ("\n%8d regular file%s\n"
108		"%8d director%s\n"
109		"%8d character device file%s\n"
110		"%8d block device file%s\n"
111		"%8d fifo%s\n"
112		"%8d link%s\n"
113		"%8d symbolic link%s (%d fast symbolic link%s)\n"
114		"%8d socket%s\n"
115		"--------\n"
116		"%8d file%s\n",
117		ctx->fs_regular_count,
118		(ctx->fs_regular_count != 1) ? "s" : "",
119		ctx->fs_directory_count,
120		(ctx->fs_directory_count != 1) ? "ies" : "y",
121		ctx->fs_chardev_count,
122		(ctx->fs_chardev_count != 1) ? "s" : "",
123		ctx->fs_blockdev_count,
124		(ctx->fs_blockdev_count != 1) ? "s" : "",
125		ctx->fs_fifo_count,
126		(ctx->fs_fifo_count != 1) ? "s" : "",
127		ctx->fs_links_count - dir_links,
128		((ctx->fs_links_count - dir_links) != 1) ? "s" : "",
129		ctx->fs_symlinks_count,
130		(ctx->fs_symlinks_count != 1) ? "s" : "",
131		ctx->fs_fast_symlinks_count,
132		(ctx->fs_fast_symlinks_count != 1) ? "s" : "",
133		ctx->fs_sockets_count, (ctx->fs_sockets_count != 1) ? "s" : "",
134		ctx->fs_total_count - dir_links,
135		((ctx->fs_total_count - dir_links) != 1) ? "s" : "");
136}
137
138static void check_mount(e2fsck_t ctx)
139{
140	errcode_t	retval;
141	int		mount_flags, cont, fd;
142
143	retval = ext2fs_check_if_mounted(ctx->filesystem_name, &mount_flags);
144	if (retval) {
145		com_err("ext2fs_check_if_mount", retval,
146			"while determining whether %s is mounted.",
147			ctx->filesystem_name);
148		return;
149	}
150	if (!(mount_flags & EXT2_MF_MOUNTED))
151		return;
152
153#if (defined(__linux__) && defined(HAVE_MNTENT_H))
154	/*
155	 * If the root is mounted read-only, then /etc/mtab is
156	 * probably not correct; so we won't issue a warning based on
157	 * it.
158	 */
159	fd = open(MOUNTED, O_RDWR);
160	if (fd < 0) {
161		if (errno == EROFS)
162			return;
163	} else
164		close(fd);
165#endif
166
167	if (ctx->options & E2F_OPT_READONLY) {
168		printf("Warning!  %s is mounted.\n", ctx->device_name);
169		return;
170	}
171
172	printf("%s is mounted.\n\n", ctx->device_name);
173	printf("\007\007\007\007WARNING!!!  Running e2fsck on a mounted filesystem "
174	       "may cause\nSEVERE filesystem damage.\007\007\007\n\n");
175	if (isatty (0) && isatty (1))
176		cont = ask_yn("Do you really want to continue", -1);
177	else
178		cont = 0;
179	if (!cont) {
180		printf ("check aborted.\n");
181		exit (0);
182	}
183	return;
184}
185
186/*
187 * This routine checks to see if a filesystem can be skipped; if so,
188 * it will exit with E2FSCK_OK.  Under some conditions it will print a
189 * message explaining why a check is being forced.
190 */
191static void check_if_skip(e2fsck_t ctx)
192{
193	ext2_filsys fs = ctx->fs;
194	const char *reason = NULL;
195
196	if (force || bad_blocks_file || cflag || swapfs)
197		return;
198
199	if (fs->super->s_state & EXT2_ERROR_FS)
200		reason = "contains a file system with errors";
201	else if ((fs->super->s_state & EXT2_VALID_FS) == 0)
202		reason = "was not cleanly unmounted";
203	else if (fs->super->s_mnt_count >=
204		 (unsigned) fs->super->s_max_mnt_count)
205		reason = "has reached maximal mount count";
206	else if (fs->super->s_checkinterval &&
207		 time(0) >= (fs->super->s_lastcheck +
208			     fs->super->s_checkinterval))
209		reason = "has gone too long without being checked";
210	if (reason) {
211		printf("%s %s, check forced.\n", ctx->device_name, reason);
212		return;
213	}
214	printf("%s: clean, %d/%d files, %d/%d blocks\n", ctx->device_name,
215	       fs->super->s_inodes_count - fs->super->s_free_inodes_count,
216	       fs->super->s_inodes_count,
217	       fs->super->s_blocks_count - fs->super->s_free_blocks_count,
218	       fs->super->s_blocks_count);
219	ext2fs_close(fs);
220	exit(FSCK_OK);
221}
222
223/*
224 * For completion notice
225 */
226static int e2fsck_update_progress(e2fsck_t ctx, int pass,
227				  unsigned long cur, unsigned long max)
228{
229	const char spinner[] = "\\|/-";
230	char buf[80];
231
232	if (pass == 0)
233		return 0;
234
235	if (ctx->progress_fd) {
236		sprintf(buf, "%d %lu %lu\n", pass, cur, max);
237		write(ctx->progress_fd, buf, strlen(buf));
238	} else {
239		ctx->progress_pos = (ctx->progress_pos+1) & 3;
240		fputc(spinner[ctx->progress_pos], stdout);
241		fputc('\b', stdout);
242		fflush(stdout);
243	}
244	return 0;
245}
246
247#define PATH_SET "PATH=/sbin"
248
249static void reserve_stdio_fds(NOARGS)
250{
251	int	fd;
252
253	while (1) {
254		fd = open("/dev/null", O_RDWR);
255		if (fd > 2)
256			break;
257	}
258	close(fd);
259}
260
261static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
262{
263	int		flush = 0;
264	int		c;
265#ifdef MTRACE
266	extern void	*mallwatch;
267#endif
268	char		*oldpath = getenv("PATH");
269	e2fsck_t	ctx;
270	errcode_t	retval;
271
272	retval = e2fsck_allocate_context(&ctx);
273	if (retval)
274		return retval;
275
276	*ret_ctx = ctx;
277
278	/* Update our PATH to include /sbin  */
279	if (oldpath) {
280		char *newpath;
281
282		newpath = (char *) malloc(sizeof (PATH_SET) + 1 +
283					  strlen (oldpath));
284		if (!newpath)
285			fatal_error(ctx, "Couldn't malloc() newpath");
286		strcpy (newpath, PATH_SET);
287		strcat (newpath, ":");
288		strcat (newpath, oldpath);
289		putenv (newpath);
290	} else
291		putenv (PATH_SET);
292
293	setbuf(stdout, NULL);
294	setbuf(stderr, NULL);
295	initialize_ext2_error_table();
296
297	if (argc && *argv)
298		ctx->program_name = *argv;
299	else
300		ctx->program_name = "e2fsck";
301	while ((c = getopt (argc, argv, "panyrcC:B:dfvtFVM:b:I:P:l:L:N:Ss")) != EOF)
302		switch (c) {
303		case 'C':
304			ctx->progress = e2fsck_update_progress;
305			ctx->progress_fd = atoi(optarg);
306			break;
307		case 'p':
308		case 'a':
309			ctx->options |= E2F_OPT_PREEN;
310			ctx->options &= ~(E2F_OPT_YES|E2F_OPT_NO);
311			break;
312		case 'n':
313			ctx->options |= E2F_OPT_NO;
314			ctx->options &= ~(E2F_OPT_YES|E2F_OPT_PREEN);
315			break;
316		case 'y':
317			ctx->options |= E2F_OPT_YES;
318			ctx->options &= ~(E2F_OPT_PREEN|E2F_OPT_NO);
319			break;
320		case 't':
321#ifdef RESOURCE_TRACK
322			if (ctx->options & E2F_OPT_TIME)
323				ctx->options |= E2F_OPT_TIME2;
324			else
325				ctx->options |= E2F_OPT_TIME;
326#else
327			fprintf(stderr, "The -t option is not "
328				"supported on this version of e2fsck.\n");
329#endif
330			break;
331		case 'c':
332			cflag++;
333			ctx->options |= E2F_OPT_CHECKBLOCKS;
334			break;
335		case 'r':
336			/* What we do by default, anyway! */
337			break;
338		case 'b':
339			ctx->use_superblock = atoi(optarg);
340			break;
341		case 'B':
342			blocksize = atoi(optarg);
343			break;
344		case 'I':
345			ctx->inode_buffer_blocks = atoi(optarg);
346			break;
347		case 'P':
348			ctx->process_inode_size = atoi(optarg);
349			break;
350		case 'L':
351			replace_bad_blocks++;
352		case 'l':
353			bad_blocks_file = (char *) malloc(strlen(optarg)+1);
354			if (!bad_blocks_file)
355				fatal_error(ctx,
356					    "Couldn't malloc bad_blocks_file");
357			strcpy(bad_blocks_file, optarg);
358			break;
359		case 'd':
360			ctx->options |= E2F_OPT_DEBUG;
361			break;
362		case 'f':
363			force = 1;
364			break;
365		case 'F':
366#ifdef BLKFLSBUF
367			flush = 1;
368#else
369			fatal_error(ctx, "-F not supported");
370#endif
371			break;
372		case 'v':
373			verbose = 1;
374			break;
375		case 'V':
376			show_version_only = 1;
377			break;
378#ifdef MTRACE
379		case 'M':
380			mallwatch = (void *) strtol(optarg, NULL, 0);
381			break;
382#endif
383		case 'N':
384			ctx->device_name = optarg;
385			break;
386		case 's':
387			normalize_swapfs = 1;
388		case 'S':
389			swapfs = 1;
390			break;
391		default:
392			usage(ctx);
393		}
394	if (show_version_only)
395		return 0;
396	if (optind != argc - 1)
397		usage(ctx);
398	if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file &&
399	    !cflag && !swapfs)
400		ctx->options |= E2F_OPT_READONLY;
401	ctx->filesystem_name = argv[optind];
402	if (ctx->device_name == 0)
403		ctx->device_name = ctx->filesystem_name;
404	if (flush) {
405#ifdef BLKFLSBUF
406		int	fd = open(ctx->filesystem_name, O_RDONLY, 0);
407
408		if (fd < 0) {
409			com_err("open", errno, "while opening %s for flushing",
410				ctx->filesystem_name);
411			exit(FSCK_ERROR);
412		}
413		if (ioctl(fd, BLKFLSBUF, 0) < 0) {
414			com_err("BLKFLSBUF", errno, "while trying to flush %s",
415				ctx->filesystem_name);
416			exit(FSCK_ERROR);
417		}
418		close(fd);
419#else
420		fatal_error(ctx, "BLKFLSBUF not supported");
421#endif /* BLKFLSBUF */
422	}
423	if (swapfs) {
424		if (cflag || bad_blocks_file) {
425			fprintf(stderr, "Incompatible options not "
426				"allowed when byte-swapping.\n");
427			exit(FSCK_ERROR);
428		}
429	}
430	return 0;
431}
432
433static const char *my_ver_string = E2FSPROGS_VERSION;
434static const char *my_ver_date = E2FSPROGS_DATE;
435
436int main (int argc, char *argv[])
437{
438	errcode_t	retval = 0;
439	int		exit_value = FSCK_OK;
440	int		i;
441	ext2_filsys	fs = 0;
442	io_manager	io_ptr;
443	struct ext2fs_sb *s;
444	const char	*lib_ver_date;
445	int		my_ver, lib_ver;
446	e2fsck_t	ctx;
447	struct problem_context pctx;
448	int flags, run_result;
449
450	clear_problem_context(&pctx);
451#ifdef MTRACE
452	mtrace();
453#endif
454#ifdef MCHECK
455	mcheck(0);
456#endif
457	my_ver = ext2fs_parse_version_string(my_ver_string);
458	lib_ver = ext2fs_get_library_version(0, &lib_ver_date);
459	if (my_ver > lib_ver) {
460		fprintf( stderr, "Error: ext2fs library version "
461			"out of date!\n");
462		show_version_only++;
463	}
464
465	retval = PRS(argc, argv, &ctx);
466	if (retval) {
467		com_err("e2fsck", retval,
468			"while trying to initialize program");
469		exit(1);
470	}
471	reserve_stdio_fds();
472
473#ifdef RESOURCE_TRACK
474	init_resource_track(&ctx->global_rtrack);
475#endif
476
477	if (!(ctx->options & E2F_OPT_PREEN) || show_version_only)
478		fprintf (stderr, "e2fsck %s, %s for EXT2 FS %s, %s\n",
479			 my_ver_string, my_ver_date, EXT2FS_VERSION,
480			 EXT2FS_DATE);
481
482	if (show_version_only) {
483		fprintf(stderr, "\tUsing %s, %s\n",
484			error_message(EXT2_ET_BASE), lib_ver_date);
485		exit(0);
486	}
487
488	check_mount(ctx);
489
490	if (!(ctx->options & E2F_OPT_PREEN) &&
491	    !(ctx->options & E2F_OPT_NO) &&
492	    !(ctx->options & E2F_OPT_YES)) {
493		if (!isatty (0) || !isatty (1))
494			fatal_error(ctx,
495				    "need terminal for interactive repairs");
496	}
497	ctx->superblock = ctx->use_superblock;
498restart:
499#if 1
500	io_ptr = unix_io_manager;
501#else
502	io_ptr = test_io_manager;
503	test_io_backing_manager = unix_io_manager;
504#endif
505	flags = (ctx->options & E2F_OPT_READONLY) ? 0 : EXT2_FLAG_RW;
506	if (ctx->superblock && blocksize) {
507		retval = ext2fs_open(ctx->filesystem_name, flags,
508				     ctx->superblock, blocksize, io_ptr, &fs);
509	} else if (ctx->superblock) {
510		for (i=0; possible_block_sizes[i]; i++) {
511			retval = ext2fs_open(ctx->filesystem_name, flags,
512					     ctx->superblock,
513					     possible_block_sizes[i],
514					     io_ptr, &fs);
515			if (!retval)
516				break;
517		}
518	} else
519		retval = ext2fs_open(ctx->filesystem_name, flags,
520				     0, 0, io_ptr, &fs);
521	if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) &&
522	    ((retval == EXT2_ET_BAD_MAGIC) ||
523	     ((retval == 0) && ext2fs_check_desc(fs)))) {
524		if (!fs || (fs->group_desc_count > 1)) {
525			printf("%s trying backup blocks...\n",
526			       retval ? "Couldn't find ext2 superblock," :
527			       "Group descriptors look bad...");
528			ctx->superblock = get_backup_sb(fs);
529			if (fs)
530				ext2fs_close(fs);
531			goto restart;
532		}
533	}
534	if (retval) {
535		com_err(ctx->program_name, retval, "while trying to open %s",
536			ctx->filesystem_name);
537		if (retval == EXT2_ET_REV_TOO_HIGH) {
538			printf("The filesystem revision is apparently "
539			       "too high for this version of e2fsck.\n"
540			       "(Or the filesystem superblock "
541			       "is corrupt)\n\n");
542			fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
543		} else if (retval == EXT2_ET_SHORT_READ)
544			printf("Could this be a zero-length partition?\n");
545		else if ((retval == EPERM) || (retval == EACCES))
546			printf("You must have %s access to the "
547			       "filesystem or be root\n",
548			       (ctx->options & E2F_OPT_READONLY) ?
549			       "r/o" : "r/w");
550		else if (retval == ENXIO)
551			printf("Possibly non-existent or swap device?\n");
552#ifdef EROFS
553		else if (retval == EROFS)
554			printf("Disk write-protected; use the -n option"
555			       "to do a read-only\n"
556			       "check of the device.\n");
557#endif
558		else
559			fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
560		exit(FSCK_ERROR);
561	}
562	ctx->fs = fs;
563	fs->priv_data = ctx;
564#ifdef	EXT2_CURRENT_REV
565	if (fs->super->s_rev_level > E2FSCK_CURRENT_REV) {
566		com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH,
567			"while trying to open %s",
568			ctx->filesystem_name);
569	get_newer:
570		fatal_error(ctx, "Get a newer version of e2fsck!");
571	}
572#endif
573	/*
574	 * Check for compatibility with the feature sets.  We need to
575	 * be more stringent than ext2fs_open().
576	 */
577	s = (struct ext2fs_sb *) fs->super;
578	if ((s->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP) ||
579	    (s->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP)) {
580		com_err(ctx->program_name, EXT2_ET_UNSUPP_FEATURE,
581			"(%s)", ctx->filesystem_name);
582		goto get_newer;
583	}
584	if (s->s_feature_ro_compat & ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP) {
585		com_err(ctx->program_name, EXT2_ET_RO_UNSUPP_FEATURE,
586			"(%s)", ctx->filesystem_name);
587		goto get_newer;
588	}
589
590	/*
591	 * If the user specified a specific superblock, presumably the
592	 * master superblock has been trashed.  So we mark the
593	 * superblock as dirty, so it can be written out.
594	 */
595	if (ctx->superblock &&
596	    !(ctx->options & E2F_OPT_READONLY))
597		ext2fs_mark_super_dirty(fs);
598
599	/*
600	 * Don't overwrite the backup superblock and block
601	 * descriptors, until we're sure the filesystem is OK....
602	 */
603	fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
604
605	ehandler_init(fs->io);
606
607	if (ctx->superblock)
608		set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0);
609	check_super_block(ctx);
610	if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
611		exit(FSCK_ERROR);
612	check_if_skip(ctx);
613	if (bad_blocks_file)
614		read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks);
615	else if (cflag)
616		test_disk(ctx);
617	if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
618		exit(FSCK_ERROR);
619
620	if (normalize_swapfs) {
621		if ((fs->flags & EXT2_FLAG_SWAP_BYTES) ==
622		    ext2fs_native_flag()) {
623			fprintf(stderr, "%s: Filesystem byte order "
624				"already normalized.\n", ctx->device_name);
625			exit(FSCK_ERROR);
626		}
627	}
628	if (swapfs) {
629		swap_filesys(ctx);
630		if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
631			exit(FSCK_ERROR);
632	}
633
634	/*
635	 * Mark the system as valid, 'til proven otherwise
636	 */
637	ext2fs_mark_valid(fs);
638
639	retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
640	if (retval) {
641		com_err(ctx->program_name, retval,
642			"while reading bad blocks inode");
643		preenhalt(ctx);
644		printf("This doesn't bode well, but we'll try to go on...\n");
645	}
646
647	run_result = e2fsck_run(ctx);
648	if (run_result == E2F_FLAG_RESTART) {
649		printf("Restarting e2fsck from the beginning...\n");
650		retval = e2fsck_reset_context(ctx);
651		if (retval) {
652			com_err(ctx->program_name, retval,
653				"while resetting context");
654			exit(1);
655		}
656		ext2fs_close(fs);
657		goto restart;
658	}
659	if (run_result & E2F_FLAG_SIGNAL_MASK)
660		exit(FSCK_ERROR);
661	if (run_result & E2F_FLAG_CANCEL)
662		ext2fs_unmark_valid(fs);
663
664#ifdef MTRACE
665	mtrace_print("Cleanup");
666#endif
667	if (ext2fs_test_changed(fs)) {
668		exit_value = FSCK_NONDESTRUCT;
669		if (!(ctx->options & E2F_OPT_PREEN))
670			printf("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n",
671			       ctx->device_name);
672		if (root_filesystem && !read_only_root) {
673			printf("%s: ***** REBOOT LINUX *****\n",
674			       ctx->device_name);
675			exit_value = FSCK_REBOOT;
676		}
677	}
678	if (ext2fs_test_valid(fs))
679		fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
680	else
681		exit_value = FSCK_UNCORRECTED;
682	if (!(ctx->options & E2F_OPT_READONLY)) {
683		if (ext2fs_test_valid(fs)) {
684			if (!(fs->super->s_state & EXT2_VALID_FS))
685				exit_value = FSCK_NONDESTRUCT;
686			fs->super->s_state = EXT2_VALID_FS;
687		} else
688			fs->super->s_state &= ~EXT2_VALID_FS;
689		fs->super->s_mnt_count = 0;
690		fs->super->s_lastcheck = time(NULL);
691		ext2fs_mark_super_dirty(fs);
692	}
693	show_stats(ctx);
694
695	e2fsck_write_bitmaps(ctx);
696
697#ifdef RESOURCE_TRACK
698	if (ctx->options & E2F_OPT_TIME)
699		print_resource_track(NULL, &ctx->global_rtrack);
700#endif
701
702	e2fsck_free_context(ctx);
703	ext2fs_close(fs);
704
705	return exit_value;
706}
707