Adding upstream version 1.47.0.upstream/1.47.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2171 insertions, 0 deletions

diff --git a/e2fsck/unix.c b/e2fsck/unix.c
new file mode 100644
index 0000000..e5b672a
--- /dev/null
+++ b/e2fsck/unix.c
@@ -0,0 +1,2171 @@
+/*
+ * unix.c - The unix-specific code for e2fsck
+ *
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#define _XOPEN_SOURCE 600 /* for inclusion of sa_handler in Solaris */
+
+#include "config.h"
+#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <time.h>
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
+extern char *optarg;
+extern int optind;
+#endif
+#include <unistd.h>
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_DIRENT_H
+#include <dirent.h>
+#endif
+#include <libgen.h>
+
+#include "e2p/e2p.h"
+#include "et/com_err.h"
+#include "e2p/e2p.h"
+#include "uuid/uuid.h"
+#include "support/plausible.h"
+#include "support/devname.h"
+#include "e2fsck.h"
+#include "problem.h"
+#include "jfs_user.h"
+#include "../version.h"
+
+/* Command line options */
+static int cflag;		/* check disk */
+static int show_version_only;
+static int verbose;
+
+static int replace_bad_blocks;
+static int keep_bad_blocks;
+static char *bad_blocks_file;
+
+e2fsck_t e2fsck_global_ctx;	/* Try your very best not to use this! */
+
+#ifdef CONFIG_JBD_DEBUG		/* Enabled by configure --enable-jbd-debug */
+int journal_enable_debug = -1;
+#endif
+
+static void usage(e2fsck_t ctx)
+{
+	fprintf(stderr,
+		_("Usage: %s [-panyrcdfktvDFV] [-b superblock] [-B blocksize]\n"
+		"\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n"
+		"\t\t[-E extended-options] [-z undo_file] device\n"),
+		ctx->program_name ? ctx->program_name : "e2fsck");
+
+	fprintf(stderr, "%s", _("\nEmergency help:\n"
+		" -p                   Automatic repair (no questions)\n"
+		" -n                   Make no changes to the filesystem\n"
+		" -y                   Assume \"yes\" to all questions\n"
+		" -c                   Check for bad blocks and add them to the badblock list\n"
+		" -f                   Force checking even if filesystem is marked clean\n"));
+	fprintf(stderr, "%s", _(""
+		" -v                   Be verbose\n"
+		" -b superblock        Use alternative superblock\n"
+		" -B blocksize         Force blocksize when looking for superblock\n"
+		" -j external_journal  Set location of the external journal\n"
+		" -l bad_blocks_file   Add to badblocks list\n"
+		" -L bad_blocks_file   Set badblocks list\n"
+		" -z undo_file         Create an undo file\n"
+		));
+
+	exit(FSCK_USAGE);
+}
+
+static void show_stats(e2fsck_t	ctx)
+{
+	ext2_filsys fs = ctx->fs;
+	ext2_ino_t inodes, inodes_used;
+	blk64_t blocks, blocks_used;
+	unsigned int dir_links;
+	unsigned int num_files, num_links;
+	__u32 *mask, m;
+	int frag_percent_file = 0, frag_percent_dir = 0, frag_percent_total = 0;
+	int i, j, printed = 0;
+
+	dir_links = 2 * ctx->fs_directory_count - 1;
+	num_files = ctx->fs_total_count - dir_links;
+	num_links = ctx->fs_links_count - dir_links;
+	inodes = fs->super->s_inodes_count;
+	inodes_used = (fs->super->s_inodes_count -
+		       fs->super->s_free_inodes_count);
+	blocks = ext2fs_blocks_count(fs->super);
+	blocks_used = (ext2fs_blocks_count(fs->super) -
+		       ext2fs_free_blocks_count(fs->super));
+
+	if (inodes_used > 0) {
+		frag_percent_file = (10000 * ctx->fs_fragmented) / inodes_used;
+		frag_percent_file = (frag_percent_file + 5) / 10;
+
+		frag_percent_dir = (10000 * ctx->fs_fragmented_dir) / inodes_used;
+		frag_percent_dir = (frag_percent_dir + 5) / 10;
+
+		frag_percent_total = ((10000 * (ctx->fs_fragmented +
+						ctx->fs_fragmented_dir))
+				      / inodes_used);
+		frag_percent_total = (frag_percent_total + 5) / 10;
+	}
+
+	if (!verbose) {
+		log_out(ctx, _("%s: %u/%u files (%0d.%d%% non-contiguous), "
+			       "%llu/%llu blocks\n"),
+			ctx->device_name, inodes_used, inodes,
+			frag_percent_total / 10, frag_percent_total % 10,
+			(unsigned long long) blocks_used,
+			(unsigned long long) blocks);
+		return;
+	}
+	profile_get_boolean(ctx->profile, "options", "report_features", 0, 0,
+			    &i);
+	if (verbose && i) {
+		log_out(ctx, "\nFilesystem features:");
+		mask = &ctx->fs->super->s_feature_compat;
+		for (i = 0; i < 3; i++, mask++) {
+			for (j = 0, m = 1; j < 32; j++, m <<= 1) {
+				if (*mask & m) {
+					log_out(ctx, " %s",
+						e2p_feature2string(i, m));
+					printed++;
+				}
+			}
+		}
+		if (printed == 0)
+			log_out(ctx, " (none)");
+		log_out(ctx, "\n");
+	}
+
+	log_out(ctx, P_("\n%12u inode used (%2.2f%%, out of %u)\n",
+			"\n%12u inodes used (%2.2f%%, out of %u)\n",
+			inodes_used), inodes_used,
+		100.0 * inodes_used / inodes, inodes);
+	log_out(ctx, P_("%12u non-contiguous file (%0d.%d%%)\n",
+			"%12u non-contiguous files (%0d.%d%%)\n",
+			ctx->fs_fragmented),
+		ctx->fs_fragmented, frag_percent_file / 10,
+		frag_percent_file % 10);
+	log_out(ctx, P_("%12u non-contiguous directory (%0d.%d%%)\n",
+			"%12u non-contiguous directories (%0d.%d%%)\n",
+			ctx->fs_fragmented_dir),
+		ctx->fs_fragmented_dir, frag_percent_dir / 10,
+		frag_percent_dir % 10);
+	log_out(ctx, _("             # of inodes with ind/dind/tind blocks: "
+		       "%u/%u/%u\n"),
+		ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count);
+
+	for (j=MAX_EXTENT_DEPTH_COUNT-1; j >=0; j--)
+		if (ctx->extent_depth_count[j])
+			break;
+	if (++j) {
+		log_out(ctx, "%s", _("             Extent depth histogram: "));
+		for (i=0; i < j; i++) {
+			if (i)
+				fputc('/', stdout);
+			log_out(ctx, "%u", ctx->extent_depth_count[i]);
+		}
+		log_out(ctx, "\n");
+	}
+
+	log_out(ctx, P_("%12llu block used (%2.2f%%, out of %llu)\n",
+			"%12llu blocks used (%2.2f%%, out of %llu)\n",
+		   blocks_used),
+		(unsigned long long) blocks_used, 100.0 * blocks_used / blocks,
+		(unsigned long long) blocks);
+	log_out(ctx, P_("%12u bad block\n", "%12u bad blocks\n",
+			ctx->fs_badblocks_count), ctx->fs_badblocks_count);
+	log_out(ctx, P_("%12u large file\n", "%12u large files\n",
+			ctx->large_files), ctx->large_files);
+	log_out(ctx, P_("\n%12u regular file\n", "\n%12u regular files\n",
+			ctx->fs_regular_count), ctx->fs_regular_count);
+	log_out(ctx, P_("%12u directory\n", "%12u directories\n",
+			ctx->fs_directory_count), ctx->fs_directory_count);
+	log_out(ctx, P_("%12u character device file\n",
+			"%12u character device files\n", ctx->fs_chardev_count),
+		ctx->fs_chardev_count);
+	log_out(ctx, P_("%12u block device file\n", "%12u block device files\n",
+			ctx->fs_blockdev_count), ctx->fs_blockdev_count);
+	log_out(ctx, P_("%12u fifo\n", "%12u fifos\n", ctx->fs_fifo_count),
+		ctx->fs_fifo_count);
+	log_out(ctx, P_("%12u link\n", "%12u links\n", num_links),
+		ctx->fs_links_count - dir_links);
+	log_out(ctx, P_("%12u symbolic link", "%12u symbolic links",
+			ctx->fs_symlinks_count), ctx->fs_symlinks_count);
+	log_out(ctx, P_(" (%u fast symbolic link)\n",
+			" (%u fast symbolic links)\n",
+			ctx->fs_fast_symlinks_count),
+		ctx->fs_fast_symlinks_count);
+	log_out(ctx, P_("%12u socket\n", "%12u sockets\n",
+			ctx->fs_sockets_count),
+		ctx->fs_sockets_count);
+	log_out(ctx, "------------\n");
+	log_out(ctx, P_("%12u file\n", "%12u files\n", num_files),
+		num_files);
+}
+
+static void check_mount(e2fsck_t ctx)
+{
+	errcode_t	retval;
+	int		cont;
+
+	retval = ext2fs_check_if_mounted(ctx->filesystem_name,
+					 &ctx->mount_flags);
+	if (retval) {
+		com_err("ext2fs_check_if_mount", retval,
+			_("while determining whether %s is mounted."),
+			ctx->filesystem_name);
+		return;
+	}
+
+	/*
+	 * If the filesystem isn't mounted, or it's the root
+	 * filesystem and it's mounted read-only, and we're not doing
+	 * a read/write check, then everything's fine.
+	 */
+	if ((!(ctx->mount_flags & (EXT2_MF_MOUNTED | EXT2_MF_BUSY))) ||
+	    ((ctx->mount_flags & EXT2_MF_ISROOT) &&
+	     (ctx->mount_flags & EXT2_MF_READONLY) &&
+	     !(ctx->options & E2F_OPT_WRITECHECK)))
+		return;
+
+	if (((ctx->options & E2F_OPT_READONLY) ||
+	     ((ctx->options & E2F_OPT_FORCE) &&
+	      (ctx->mount_flags & EXT2_MF_READONLY))) &&
+	    !(ctx->options & E2F_OPT_WRITECHECK)) {
+		if (ctx->mount_flags & EXT2_MF_MOUNTED)
+			log_out(ctx, _("Warning!  %s is mounted.\n"),
+					ctx->filesystem_name);
+		else
+			log_out(ctx, _("Warning!  %s is in use.\n"),
+					ctx->filesystem_name);
+		return;
+	}
+
+	if (ctx->mount_flags & EXT2_MF_MOUNTED)
+		log_out(ctx, _("%s is mounted.\n"), ctx->filesystem_name);
+	else
+		log_out(ctx, _("%s is in use.\n"), ctx->filesystem_name);
+	if (!ctx->interactive || ctx->mount_flags & EXT2_MF_BUSY)
+		fatal_error(ctx, _("Cannot continue, aborting.\n\n"));
+	puts("\007\007\007\007");
+	log_out(ctx, "%s", _("\n\nWARNING!!!  "
+		       "The filesystem is mounted.   "
+		       "If you continue you ***WILL***\n"
+		       "cause ***SEVERE*** filesystem damage.\n\n"));
+	puts("\007\007\007");
+	cont = ask_yn(ctx, _("Do you really want to continue"), 0);
+	if (!cont) {
+		printf("%s", _("check aborted.\n"));
+		exit (0);
+	}
+	return;
+}
+
+static int is_on_batt(void)
+{
+	FILE	*f;
+	DIR	*d;
+	char	tmp[80], tmp2[80], fname[NAME_MAX+30];
+	unsigned int	acflag;
+	struct dirent*	de;
+
+	f = fopen("/sys/class/power_supply/AC/online", "r");
+	if (f) {
+		if (fscanf(f, "%u\n", &acflag) == 1) {
+			fclose(f);
+			return (!acflag);
+		}
+		fclose(f);
+	}
+	f = fopen("/proc/apm", "r");
+	if (f) {
+		if (fscanf(f, "%79s %79s %79s %x", tmp, tmp, tmp, &acflag) != 4)
+			acflag = 1;
+		fclose(f);
+		return (acflag != 1);
+	}
+	d = opendir("/proc/acpi/ac_adapter");
+	if (d) {
+		while ((de=readdir(d)) != NULL) {
+			if (!strncmp(".", de->d_name, 1))
+				continue;
+			snprintf(fname, sizeof(fname),
+				 "/proc/acpi/ac_adapter/%s/state",
+				 de->d_name);
+			f = fopen(fname, "r");
+			if (!f)
+				continue;
+			if (fscanf(f, "%79s %79s", tmp2, tmp) != 2)
+				tmp[0] = 0;
+			fclose(f);
+			if (strncmp(tmp, "off-line", 8) == 0) {
+				closedir(d);
+				return 1;
+			}
+		}
+		closedir(d);
+	}
+	return 0;
+}
+
+/*
+ * This routine checks to see if a filesystem can be skipped; if so,
+ * it will exit with E2FSCK_OK.  Under some conditions it will print a
+ * message explaining why a check is being forced.
+ */
+static void check_if_skip(e2fsck_t ctx)
+{
+	ext2_filsys fs = ctx->fs;
+	struct problem_context pctx;
+	const char *reason = NULL;
+	unsigned int reason_arg = 0;
+	long next_check;
+	int batt = is_on_batt();
+	int defer_check_on_battery;
+	int broken_system_clock;
+	time_t lastcheck;
+
+	if (ctx->flags & E2F_FLAG_PROBLEMS_FIXED)
+		return;
+
+	profile_get_boolean(ctx->profile, "options", "broken_system_clock",
+			    0, 0, &broken_system_clock);
+	if (ctx->flags & E2F_FLAG_TIME_INSANE)
+		broken_system_clock = 1;
+	profile_get_boolean(ctx->profile, "options",
+			    "defer_check_on_battery", 0, 1,
+			    &defer_check_on_battery);
+	if (!defer_check_on_battery)
+		batt = 0;
+
+	if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag)
+		return;
+
+	if (ctx->options & E2F_OPT_JOURNAL_ONLY)
+		goto skip;
+
+	lastcheck = fs->super->s_lastcheck;
+	if (lastcheck > ctx->now)
+		lastcheck -= ctx->time_fudge;
+	if ((fs->super->s_state & EXT2_ERROR_FS) ||
+	    !ext2fs_test_valid(fs))
+		reason = _(" contains a file system with errors");
+	else if ((fs->super->s_state & EXT2_VALID_FS) == 0)
+		reason = _(" was not cleanly unmounted");
+	else if (check_backup_super_block(ctx))
+		reason = _(" primary superblock features different from backup");
+	else if ((fs->super->s_max_mnt_count > 0) &&
+		 (fs->super->s_mnt_count >=
+		  (unsigned) fs->super->s_max_mnt_count)) {
+		reason = _(" has been mounted %u times without being checked");
+		reason_arg = fs->super->s_mnt_count;
+		if (batt && (fs->super->s_mnt_count <
+			     (unsigned) fs->super->s_max_mnt_count*2))
+			reason = 0;
+	} else if (!broken_system_clock && fs->super->s_checkinterval &&
+		   (ctx->now < lastcheck)) {
+		reason = _(" has filesystem last checked time in the future");
+		if (batt)
+			reason = 0;
+	} else if (!broken_system_clock && fs->super->s_checkinterval &&
+		   ((ctx->now - lastcheck) >=
+		    ((time_t) fs->super->s_checkinterval))) {
+		reason = _(" has gone %u days without being checked");
+		reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24);
+		if (batt && ((ctx->now - fs->super->s_lastcheck) <
+			     fs->super->s_checkinterval*2))
+			reason = 0;
+	} else if (broken_system_clock && fs->super->s_checkinterval) {
+		log_out(ctx, "%s: ", ctx->device_name);
+		log_out(ctx, "%s",
+			_("ignoring check interval, broken_system_clock set\n"));
+	}
+
+	if (reason) {
+		log_out(ctx, "%s", ctx->device_name);
+		log_out(ctx, reason, reason_arg);
+		log_out(ctx, "%s", _(", check forced.\n"));
+		return;
+	}
+
+	/*
+	 * Update the global counts from the block group counts.  This
+	 * is needed since modern kernels don't update the global
+	 * counts so as to avoid locking the entire file system.  So
+	 * if the filesystem is not unmounted cleanly, the global
+	 * counts may not be accurate.  Update them here if we can,
+	 * for the benefit of users who might examine the file system
+	 * using dumpe2fs.  (This is for cosmetic reasons only.)
+	 */
+	clear_problem_context(&pctx);
+	pctx.ino = fs->super->s_free_inodes_count;
+	pctx.ino2 = ctx->free_inodes;
+	if ((pctx.ino != pctx.ino2) &&
+	    !(ctx->options & E2F_OPT_READONLY) &&
+	    fix_problem(ctx, PR_0_FREE_INODE_COUNT, &pctx)) {
+		fs->super->s_free_inodes_count = ctx->free_inodes;
+		ext2fs_mark_super_dirty(fs);
+	}
+	clear_problem_context(&pctx);
+	pctx.blk = ext2fs_free_blocks_count(fs->super);
+	pctx.blk2 = ctx->free_blocks;
+	if ((pctx.blk != pctx.blk2) &&
+	    !(ctx->options & E2F_OPT_READONLY) &&
+	    fix_problem(ctx, PR_0_FREE_BLOCK_COUNT, &pctx)) {
+		ext2fs_free_blocks_count_set(fs->super, ctx->free_blocks);
+		ext2fs_mark_super_dirty(fs);
+	}
+
+	/* Print the summary message when we're skipping a full check */
+	log_out(ctx, _("%s: clean, %u/%u files, %llu/%llu blocks"),
+		ctx->device_name,
+		fs->super->s_inodes_count - fs->super->s_free_inodes_count,
+		fs->super->s_inodes_count,
+		(unsigned long long) ext2fs_blocks_count(fs->super) -
+		ext2fs_free_blocks_count(fs->super),
+		(unsigned long long) ext2fs_blocks_count(fs->super));
+	next_check = 100000;
+	if (fs->super->s_max_mnt_count > 0) {
+		next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count;
+		if (next_check <= 0)
+			next_check = 1;
+	}
+	if (!broken_system_clock && fs->super->s_checkinterval &&
+	    ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval))
+		next_check = 1;
+	if (next_check <= 5) {
+		if (next_check == 1) {
+			if (batt)
+				log_out(ctx, "%s",
+					_(" (check deferred; on battery)"));
+			else
+				log_out(ctx, "%s",
+					_(" (check after next mount)"));
+		} else
+			log_out(ctx, _(" (check in %ld mounts)"),
+				next_check);
+	}
+	log_out(ctx, "\n");
+skip:
+	ext2fs_close_free(&ctx->fs);
+	e2fsck_free_context(ctx);
+	exit(FSCK_OK);
+}
+
+/*
+ * For completion notice
+ */
+struct percent_tbl {
+	int	max_pass;
+	int	table[32];
+};
+static struct percent_tbl e2fsck_tbl = {
+	5, { 0, 70, 90, 92,  95, 100 }
+};
+static char bar[128], spaces[128];
+
+static float calc_percent(struct percent_tbl *tbl, int pass, int curr,
+			  int max)
+{
+	float	percent;
+
+	if (pass <= 0)
+		return 0.0;
+	if (pass > tbl->max_pass || max == 0)
+		return 100.0;
+	percent = ((float) curr) / ((float) max);
+	return ((percent * (tbl->table[pass] - tbl->table[pass-1]))
+		+ tbl->table[pass-1]);
+}
+
+void e2fsck_clear_progbar(e2fsck_t ctx)
+{
+	if (!(ctx->flags & E2F_FLAG_PROG_BAR))
+		return;
+
+	printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80),
+	       ctx->stop_meta);
+	fflush(stdout);
+	ctx->flags &= ~E2F_FLAG_PROG_BAR;
+}
+
+int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent,
+			   unsigned int dpynum)
+{
+	static const char spinner[] = "\\|/-";
+	int	i;
+	unsigned int	tick;
+	struct timeval	tv;
+	int dpywidth;
+	int fixed_percent;
+
+	if (ctx->flags & E2F_FLAG_PROG_SUPPRESS)
+		return 0;
+
+	/*
+	 * Calculate the new progress position.  If the
+	 * percentage hasn't changed, then we skip out right
+	 * away.
+	 */
+	fixed_percent = (int) ((10 * percent) + 0.5);
+	if (ctx->progress_last_percent == fixed_percent)
+		return 0;
+	ctx->progress_last_percent = fixed_percent;
+
+	/*
+	 * If we've already updated the spinner once within
+	 * the last 1/8th of a second, no point doing it
+	 * again.
+	 */
+	gettimeofday(&tv, NULL);
+	tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8));
+	if ((tick == ctx->progress_last_time) &&
+	    (fixed_percent != 0) && (fixed_percent != 1000))
+		return 0;
+	ctx->progress_last_time = tick;
+
+	/*
+	 * Advance the spinner, and note that the progress bar
+	 * will be on the screen
+	 */
+	ctx->progress_pos = (ctx->progress_pos+1) & 3;
+	ctx->flags |= E2F_FLAG_PROG_BAR;
+
+	dpywidth = 66 - strlen(label);
+	dpywidth = 8 * (dpywidth / 8);
+	if (dpynum)
+		dpywidth -= 8;
+
+	i = ((percent * dpywidth) + 50) / 100;
+	printf("%s%s: |%s%s", ctx->start_meta, label,
+	       bar + (sizeof(bar) - (i+1)),
+	       spaces + (sizeof(spaces) - (dpywidth - i + 1)));
+	if (fixed_percent == 1000)
+		fputc('|', stdout);
+	else
+		fputc(spinner[ctx->progress_pos & 3], stdout);
+	printf(" %4.1f%%  ", percent);
+	if (dpynum)
+		printf("%u\r", dpynum);
+	else
+		fputs(" \r", stdout);
+	fputs(ctx->stop_meta, stdout);
+
+	if (fixed_percent == 1000)
+		e2fsck_clear_progbar(ctx);
+	fflush(stdout);
+
+	return 0;
+}
+
+static int e2fsck_update_progress(e2fsck_t ctx, int pass,
+				  unsigned long cur, unsigned long max)
+{
+	char buf[1024];
+	float percent;
+
+	if (pass == 0)
+		return 0;
+
+	if (ctx->progress_fd) {
+		snprintf(buf, sizeof(buf), "%d %lu %lu %s\n",
+			 pass, cur, max, ctx->device_name);
+		write_all(ctx->progress_fd, buf, strlen(buf));
+	} else {
+		percent = calc_percent(&e2fsck_tbl, pass, cur, max);
+		e2fsck_simple_progress(ctx, ctx->device_name,
+				       percent, 0);
+	}
+	return 0;
+}
+
+#define PATH_SET "PATH=/sbin"
+
+/*
+ * Make sure 0,1,2 file descriptors are open, so that we don't open
+ * the filesystem using the same file descriptor as stdout or stderr.
+ */
+static void reserve_stdio_fds(void)
+{
+	int	fd = 0;
+
+	while (fd <= 2) {
+		fd = open("/dev/null", O_RDWR);
+		if (fd < 0) {
+			fprintf(stderr, _("ERROR: Couldn't open "
+				"/dev/null (%s)\n"),
+				strerror(errno));
+			return;
+		}
+	}
+	(void) close(fd);
+}
+
+#ifdef HAVE_SIGNAL_H
+static void signal_progress_on(int sig EXT2FS_ATTR((unused)))
+{
+	e2fsck_t ctx = e2fsck_global_ctx;
+
+	if (!ctx)
+		return;
+
+	ctx->progress = e2fsck_update_progress;
+}
+
+static void signal_progress_off(int sig EXT2FS_ATTR((unused)))
+{
+	e2fsck_t ctx = e2fsck_global_ctx;
+
+	if (!ctx)
+		return;
+
+	e2fsck_clear_progbar(ctx);
+	ctx->progress = 0;
+}
+
+static void signal_cancel(int sig EXT2FS_ATTR((unused)))
+{
+	e2fsck_t ctx = e2fsck_global_ctx;
+
+	if (!ctx)
+		exit(FSCK_CANCELED);
+
+	ctx->flags |= E2F_FLAG_CANCEL;
+}
+#endif
+
+static void parse_extended_opts(e2fsck_t ctx, const char *opts)
+{
+	char	*buf, *token, *next, *p, *arg;
+	int	ea_ver;
+	int	extended_usage = 0;
+	unsigned long long reada_kb;
+
+	buf = string_copy(ctx, opts, 0);
+	for (token = buf; token && *token; token = next) {
+		p = strchr(token, ',');
+		next = 0;
+		if (p) {
+			*p = 0;
+			next = p+1;
+		}
+		arg = strchr(token, '=');
+		if (arg) {
+			*arg = 0;
+			arg++;
+		}
+		if (strcmp(token, "ea_ver") == 0) {
+			if (!arg) {
+				extended_usage++;
+				continue;
+			}
+			ea_ver = strtoul(arg, &p, 0);
+			if (*p ||
+			    ((ea_ver != 1) && (ea_ver != 2))) {
+				fprintf(stderr, "%s",
+					_("Invalid EA version.\n"));
+				extended_usage++;
+				continue;
+			}
+			ctx->ext_attr_ver = ea_ver;
+		} else if (strcmp(token, "readahead_kb") == 0) {
+			if (!arg) {
+				extended_usage++;
+				continue;
+			}
+			reada_kb = strtoull(arg, &p, 0);
+			if (*p) {
+				fprintf(stderr, "%s",
+					_("Invalid readahead buffer size.\n"));
+				extended_usage++;
+				continue;
+			}
+			ctx->readahead_kb = reada_kb;
+		} else if (strcmp(token, "fragcheck") == 0) {
+			ctx->options |= E2F_OPT_FRAGCHECK;
+			continue;
+		} else if (strcmp(token, "journal_only") == 0) {
+			if (arg) {
+				extended_usage++;
+				continue;
+			}
+			ctx->options |= E2F_OPT_JOURNAL_ONLY;
+		} else if (strcmp(token, "discard") == 0) {
+			ctx->options |= E2F_OPT_DISCARD;
+			continue;
+		} else if (strcmp(token, "nodiscard") == 0) {
+			ctx->options &= ~E2F_OPT_DISCARD;
+			continue;
+		} else if (strcmp(token, "optimize_extents") == 0) {
+			ctx->options &= ~E2F_OPT_NOOPT_EXTENTS;
+			continue;
+		} else if (strcmp(token, "no_optimize_extents") == 0) {
+			ctx->options |= E2F_OPT_NOOPT_EXTENTS;
+			continue;
+		} else if (strcmp(token, "inode_count_fullmap") == 0) {
+			ctx->options |= E2F_OPT_ICOUNT_FULLMAP;
+			continue;
+		} else if (strcmp(token, "no_inode_count_fullmap") == 0) {
+			ctx->options &= ~E2F_OPT_ICOUNT_FULLMAP;
+			continue;
+		} else if (strcmp(token, "log_filename") == 0) {
+			if (!arg)
+				extended_usage++;
+			else
+				ctx->log_fn = string_copy(ctx, arg, 0);
+			continue;
+		} else if (strcmp(token, "problem_log") == 0) {
+			if (!arg)
+				extended_usage++;
+			else
+				ctx->problem_log_fn = string_copy(ctx, arg, 0);
+			continue;
+		} else if (strcmp(token, "bmap2extent") == 0) {
+			ctx->options |= E2F_OPT_CONVERT_BMAP;
+			continue;
+		} else if (strcmp(token, "fixes_only") == 0) {
+			ctx->options |= E2F_OPT_FIXES_ONLY;
+			continue;
+		} else if (strcmp(token, "unshare_blocks") == 0) {
+			ctx->options |= E2F_OPT_UNSHARE_BLOCKS;
+			ctx->options |= E2F_OPT_FORCE;
+			continue;
+		} else if (strcmp(token, "check_encoding") == 0) {
+			ctx->options |= E2F_OPT_CHECK_ENCODING;
+			continue;
+#ifdef CONFIG_DEVELOPER_FEATURES
+		} else if (strcmp(token, "clear_all_uninit_bits") == 0) {
+			ctx->options |= E2F_OPT_CLEAR_UNINIT;
+			continue;
+#endif
+		} else {
+			fprintf(stderr, _("Unknown extended option: %s\n"),
+				token);
+			extended_usage++;
+		}
+	}
+	free(buf);
+
+	if (extended_usage) {
+		fputs(_("\nExtended options are separated by commas, "
+		       "and may take an argument which\n"
+		       "is set off by an equals ('=') sign.  "
+		       "Valid extended options are:\n\n"), stderr);
+		fputs(_("\tea_ver=<ea_version (1 or 2)>\n"), stderr);
+		fputs("\tfragcheck\n", stderr);
+		fputs("\tjournal_only\n", stderr);
+		fputs("\tdiscard\n", stderr);
+		fputs("\tnodiscard\n", stderr);
+		fputs("\toptimize_extents\n", stderr);
+		fputs("\tno_optimize_extents\n", stderr);
+		fputs("\tinode_count_fullmap\n", stderr);
+		fputs("\tno_inode_count_fullmap\n", stderr);
+		fputs(_("\treadahead_kb=<buffer size>\n"), stderr);
+		fputs("\tbmap2extent\n", stderr);
+		fputs("\tunshare_blocks\n", stderr);
+		fputs("\tfixes_only\n", stderr);
+		fputs("\tcheck_encoding\n", stderr);
+		fputc('\n', stderr);
+		exit(1);
+	}
+}
+
+static void syntax_err_report(const char *filename, long err, int line_num)
+{
+	fprintf(stderr,
+		_("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"),
+		filename, line_num, error_message(err));
+	exit(FSCK_ERROR);
+}
+
+static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 };
+
+static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
+{
+	int		flush = 0;
+	int		c, fd;
+#ifdef MTRACE
+	extern void	*mallwatch;
+#endif
+	e2fsck_t	ctx;
+	errcode_t	retval;
+#ifdef HAVE_SIGNAL_H
+	struct sigaction	sa;
+#endif
+	char		*extended_opts = 0;
+	char		*cp;
+	int 		res;		/* result of sscanf */
+#ifdef CONFIG_JBD_DEBUG
+	char 		*jbd_debug;
+#endif
+	unsigned long long phys_mem_kb, blk;
+
+	retval = e2fsck_allocate_context(&ctx);
+	if (retval)
+		return retval;
+
+	*ret_ctx = ctx;
+	e2fsck_global_ctx = ctx;
+
+	setvbuf(stdout, NULL, _IONBF, BUFSIZ);
+	setvbuf(stderr, NULL, _IONBF, BUFSIZ);
+	if (getenv("E2FSCK_FORCE_INTERACTIVE") || (isatty(0) && isatty(1))) {
+		ctx->interactive = 1;
+	} else {
+		ctx->start_meta[0] = '\001';
+		ctx->stop_meta[0] = '\002';
+	}
+	memset(bar, '=', sizeof(bar)-1);
+	memset(spaces, ' ', sizeof(spaces)-1);
+	add_error_table(&et_ext2_error_table);
+	add_error_table(&et_prof_error_table);
+	blkid_get_cache(&ctx->blkid, NULL);
+
+	if (argc && *argv)
+		ctx->program_name = *argv;
+	else
+		usage(NULL);
+
+	phys_mem_kb = get_memory_size() / 1024;
+	ctx->readahead_kb = ~0ULL;
+	while ((c = getopt(argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDkz:")) != EOF)
+		switch (c) {
+		case 'C':
+			ctx->progress = e2fsck_update_progress;
+			res = sscanf(optarg, "%d", &ctx->progress_fd);
+			if (res != 1)
+				goto sscanf_err;
+
+			if (ctx->progress_fd < 0) {
+				ctx->progress = 0;
+				ctx->progress_fd = ctx->progress_fd * -1;
+			}
+			if (!ctx->progress_fd)
+				break;
+			/* Validate the file descriptor to avoid disasters */
+			fd = dup(ctx->progress_fd);
+			if (fd < 0) {
+				fprintf(stderr,
+				_("Error validating file descriptor %d: %s\n"),
+					ctx->progress_fd,
+					error_message(errno));
+				fatal_error(ctx,
+			_("Invalid completion information file descriptor"));
+			} else
+				close(fd);
+			break;
+		case 'D':
+			ctx->options |= E2F_OPT_COMPRESS_DIRS;
+			break;
+		case 'E':
+			extended_opts = optarg;
+			break;
+		case 'p':
+		case 'a':
+			if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) {
+			conflict_opt:
+				fatal_error(ctx,
+	_("Only one of the options -p/-a, -n or -y may be specified."));
+			}
+			ctx->options |= E2F_OPT_PREEN;
+			break;
+		case 'n':
+			if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN))
+				goto conflict_opt;
+			ctx->options |= E2F_OPT_NO;
+			break;
+		case 'y':
+			if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO))
+				goto conflict_opt;
+			ctx->options |= E2F_OPT_YES;
+			break;
+		case 't':
+#ifdef RESOURCE_TRACK
+			if (ctx->options & E2F_OPT_TIME)
+				ctx->options |= E2F_OPT_TIME2;
+			else
+				ctx->options |= E2F_OPT_TIME;
+#else
+			fprintf(stderr, _("The -t option is not "
+				"supported on this version of e2fsck.\n"));
+#endif
+			break;
+		case 'c':
+			if (cflag++)
+				ctx->options |= E2F_OPT_WRITECHECK;
+			ctx->options |= E2F_OPT_CHECKBLOCKS;
+			break;
+		case 'r':
+			/* What we do by default, anyway! */
+			break;
+		case 'b':
+			res = sscanf(optarg, "%llu", &blk);
+			ctx->use_superblock = blk;
+			if (res != 1)
+				goto sscanf_err;
+			ctx->flags |= E2F_FLAG_SB_SPECIFIED;
+			break;
+		case 'B':
+			ctx->blocksize = atoi(optarg);
+			break;
+		case 'I':
+			res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks);
+			if (res != 1)
+				goto sscanf_err;
+			break;
+		case 'j':
+			ctx->journal_name = get_devname(ctx->blkid,
+							optarg, NULL);
+			if (!ctx->journal_name) {
+				com_err(ctx->program_name, 0,
+					_("Unable to resolve '%s'"),
+					optarg);
+				fatal_error(ctx, 0);
+			}
+			break;
+		case 'P':
+			res = sscanf(optarg, "%d", &ctx->process_inode_size);
+			if (res != 1)
+				goto sscanf_err;
+			break;
+		case 'L':
+			replace_bad_blocks++;
+			/* fall through */
+		case 'l':
+			if (bad_blocks_file)
+				free(bad_blocks_file);
+			bad_blocks_file = string_copy(ctx, optarg, 0);
+			break;
+		case 'd':
+			ctx->options |= E2F_OPT_DEBUG;
+			break;
+		case 'f':
+			ctx->options |= E2F_OPT_FORCE;
+			break;
+		case 'F':
+			flush = 1;
+			break;
+		case 'v':
+			verbose = 1;
+			break;
+		case 'V':
+			show_version_only = 1;
+			break;
+#ifdef MTRACE
+		case 'M':
+			mallwatch = (void *) strtol(optarg, NULL, 0);
+			break;
+#endif
+		case 'N':
+			ctx->device_name = string_copy(ctx, optarg, 0);
+			break;
+		case 'k':
+			keep_bad_blocks++;
+			break;
+		case 'z':
+			ctx->undo_file = optarg;
+			break;
+		default:
+			usage(ctx);
+		}
+	if (show_version_only)
+		return 0;
+	if (optind != argc - 1)
+		usage(ctx);
+	if ((ctx->options & E2F_OPT_NO) &&
+	    (ctx->options & E2F_OPT_COMPRESS_DIRS)) {
+		com_err(ctx->program_name, 0, "%s",
+			_("The -n and -D options are incompatible."));
+		fatal_error(ctx, 0);
+	}
+	if ((ctx->options & E2F_OPT_NO) && cflag) {
+		com_err(ctx->program_name, 0, "%s",
+			_("The -n and -c options are incompatible."));
+		fatal_error(ctx, 0);
+	}
+	if ((ctx->options & E2F_OPT_NO) && bad_blocks_file) {
+		com_err(ctx->program_name, 0, "%s",
+			_("The -n and -l/-L options are incompatible."));
+		fatal_error(ctx, 0);
+	}
+	if (ctx->options & E2F_OPT_NO)
+		ctx->options |= E2F_OPT_READONLY;
+
+	ctx->io_options = strchr(argv[optind], '?');
+	if (ctx->io_options)
+		*ctx->io_options++ = 0;
+	ctx->filesystem_name = get_devname(ctx->blkid, argv[optind], 0);
+	if (!ctx->filesystem_name) {
+		com_err(ctx->program_name, 0, _("Unable to resolve '%s'"),
+			argv[optind]);
+		fatal_error(ctx, 0);
+	}
+	if (extended_opts)
+		parse_extended_opts(ctx, extended_opts);
+
+	/* Complain about mutually exclusive rebuilding activities */
+	if (getenv("E2FSCK_FIXES_ONLY"))
+		ctx->options |= E2F_OPT_FIXES_ONLY;
+	if ((ctx->options & E2F_OPT_COMPRESS_DIRS) &&
+	    (ctx->options & E2F_OPT_FIXES_ONLY)) {
+		com_err(ctx->program_name, 0, "%s",
+			_("The -D and -E fixes_only options are incompatible."));
+		fatal_error(ctx, 0);
+	}
+	if ((ctx->options & E2F_OPT_CONVERT_BMAP) &&
+	    (ctx->options & E2F_OPT_FIXES_ONLY)) {
+		com_err(ctx->program_name, 0, "%s",
+			_("The -E bmap2extent and fixes_only options are incompatible."));
+		fatal_error(ctx, 0);
+	}
+
+	if ((cp = getenv("E2FSCK_CONFIG")) != NULL)
+		config_fn[0] = cp;
+	profile_set_syntax_err_cb(syntax_err_report);
+	profile_init(config_fn, &ctx->profile);
+
+	profile_get_boolean(ctx->profile, "options", "report_time", 0, 0,
+			    &c);
+	if (c)
+		ctx->options |= E2F_OPT_TIME | E2F_OPT_TIME2;
+	profile_get_boolean(ctx->profile, "options", "report_verbose", 0, 0,
+			    &c);
+	if (c)
+		verbose = 1;
+
+	profile_get_boolean(ctx->profile, "options", "no_optimize_extents",
+			    0, 0, &c);
+	if (c)
+		ctx->options |= E2F_OPT_NOOPT_EXTENTS;
+
+	profile_get_boolean(ctx->profile, "options", "inode_count_fullmap",
+			    0, 0, &c);
+	if (c)
+		ctx->options |= E2F_OPT_ICOUNT_FULLMAP;
+
+	if (ctx->readahead_kb == ~0ULL) {
+		profile_get_integer(ctx->profile, "options",
+				    "readahead_mem_pct", 0, -1, &c);
+		if (c >= 0 && c <= 100)
+			ctx->readahead_kb = phys_mem_kb * c / 100;
+		profile_get_integer(ctx->profile, "options",
+				    "readahead_kb", 0, -1, &c);
+		if (c >= 0)
+			ctx->readahead_kb = c;
+		if (ctx->readahead_kb != ~0ULL &&
+		    ctx->readahead_kb > phys_mem_kb)
+			ctx->readahead_kb = phys_mem_kb;
+	}
+
+	/* Turn off discard in read-only mode */
+	if ((ctx->options & E2F_OPT_NO) &&
+	    (ctx->options & E2F_OPT_DISCARD))
+		ctx->options &= ~E2F_OPT_DISCARD;
+
+	if (flush) {
+		fd = open(ctx->filesystem_name, O_RDONLY, 0);
+		if (fd < 0) {
+			com_err("open", errno,
+				_("while opening %s for flushing"),
+				ctx->filesystem_name);
+			fatal_error(ctx, 0);
+		}
+		if ((retval = ext2fs_sync_device(fd, 1))) {
+			com_err("ext2fs_sync_device", retval,
+				_("while trying to flush %s"),
+				ctx->filesystem_name);
+			fatal_error(ctx, 0);
+		}
+		close(fd);
+	}
+	if (cflag && bad_blocks_file) {
+		fprintf(stderr, "%s", _("The -c and the -l/-L options may not "
+					"be both used at the same time.\n"));
+		exit(FSCK_USAGE);
+	}
+#ifdef HAVE_SIGNAL_H
+	/*
+	 * Set up signal action
+	 */
+	memset(&sa, 0, sizeof(struct sigaction));
+	sa.sa_handler = signal_cancel;
+	sigaction(SIGINT, &sa, 0);
+	sigaction(SIGTERM, &sa, 0);
+#ifdef SA_RESTART
+	sa.sa_flags = SA_RESTART;
+#endif
+	sa.sa_handler = signal_progress_on;
+	sigaction(SIGUSR1, &sa, 0);
+	sa.sa_handler = signal_progress_off;
+	sigaction(SIGUSR2, &sa, 0);
+#endif
+
+	/* Update our PATH to include /sbin if we need to run badblocks  */
+	if (cflag) {
+		char *oldpath = getenv("PATH");
+		char *newpath;
+		int len = sizeof(PATH_SET) + 1;
+
+		if (oldpath)
+			len += strlen(oldpath);
+
+		newpath = malloc(len);
+		if (!newpath)
+			fatal_error(ctx, "Couldn't malloc() newpath");
+		strcpy(newpath, PATH_SET);
+
+		if (oldpath) {
+			strcat(newpath, ":");
+			strcat(newpath, oldpath);
+		}
+		putenv(newpath);
+	}
+#ifdef CONFIG_JBD_DEBUG
+	jbd_debug = getenv("E2FSCK_JBD_DEBUG");
+	if (jbd_debug) {
+		res = sscanf(jbd_debug, "%d", &journal_enable_debug);
+		if (res != 1) {
+			fprintf(stderr,
+			        _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"),
+			        jbd_debug);
+			exit (1);
+		}
+	}
+#endif
+	return 0;
+
+sscanf_err:
+	fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"),
+	        c, optarg);
+	exit (1);
+}
+
+static errcode_t try_open_fs(e2fsck_t ctx, int flags, io_manager io_ptr,
+			     ext2_filsys *ret_fs)
+{
+	errcode_t retval;
+
+	*ret_fs = NULL;
+
+	if (ctx->superblock) {
+		unsigned long blocksize = ctx->blocksize;
+
+		if (!blocksize) {
+			for (blocksize = EXT2_MIN_BLOCK_SIZE;
+			     blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) {
+
+				retval = ext2fs_open2(ctx->filesystem_name,
+						      ctx->io_options, flags,
+						      ctx->superblock, blocksize,
+						      unix_io_manager, ret_fs);
+				if (*ret_fs) {
+					ext2fs_free(*ret_fs);
+					*ret_fs = NULL;
+				}
+				if (!retval)
+					break;
+			}
+			if (retval)
+				return retval;
+		}
+
+		retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
+				      flags, ctx->superblock, blocksize,
+				      io_ptr, ret_fs);
+	} else
+		retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
+				      flags, 0, 0, io_ptr, ret_fs);
+
+	if (retval == 0) {
+		(*ret_fs)->priv_data = ctx;
+		e2fsck_set_bitmap_type(*ret_fs, EXT2FS_BMAP64_RBTREE,
+				       "default", NULL);
+	}
+	return retval;
+}
+
+static const char *my_ver_string = E2FSPROGS_VERSION;
+static const char *my_ver_date = E2FSPROGS_DATE;
+
+static errcode_t e2fsck_check_mmp(ext2_filsys fs, e2fsck_t ctx)
+{
+	struct mmp_struct *mmp_s;
+	unsigned int mmp_check_interval;
+	errcode_t retval = 0;
+	struct problem_context pctx;
+	unsigned int wait_time = 0;
+
+	clear_problem_context(&pctx);
+	if (fs->mmp_buf == NULL) {
+		retval = ext2fs_get_mem(fs->blocksize, &fs->mmp_buf);
+		if (retval)
+			goto check_error;
+	}
+
+	retval = ext2fs_mmp_read(fs, fs->super->s_mmp_block, fs->mmp_buf);
+	if (retval)
+		goto check_error;
+
+	mmp_s = fs->mmp_buf;
+
+	mmp_check_interval = fs->super->s_mmp_update_interval;
+	if (mmp_check_interval < EXT4_MMP_MIN_CHECK_INTERVAL)
+		mmp_check_interval = EXT4_MMP_MIN_CHECK_INTERVAL;
+
+	/*
+	 * If check_interval in MMP block is larger, use that instead of
+	 * check_interval from the superblock.
+	 */
+	if (mmp_s->mmp_check_interval > mmp_check_interval)
+		mmp_check_interval = mmp_s->mmp_check_interval;
+
+	wait_time = mmp_check_interval * 2 + 1;
+
+	if (mmp_s->mmp_seq == EXT4_MMP_SEQ_CLEAN)
+		retval = 0;
+	else if (mmp_s->mmp_seq == EXT4_MMP_SEQ_FSCK)
+		retval = EXT2_ET_MMP_FSCK_ON;
+	else if (mmp_s->mmp_seq > EXT4_MMP_SEQ_MAX)
+		retval = EXT2_ET_MMP_UNKNOWN_SEQ;
+
+	if (retval)
+		goto check_error;
+
+	/* Print warning if e2fsck will wait for more than 20 secs. */
+	if (verbose || wait_time > EXT4_MMP_MIN_CHECK_INTERVAL * 4) {
+		log_out(ctx, _("MMP interval is %u seconds and total wait "
+			       "time is %u seconds. Please wait...\n"),
+			mmp_check_interval, wait_time * 2);
+	}
+
+	return 0;
+
+check_error:
+
+	if (retval == EXT2_ET_MMP_BAD_BLOCK) {
+		if (fix_problem(ctx, PR_0_MMP_INVALID_BLK, &pctx)) {
+			fs->super->s_mmp_block = 0;
+			ext2fs_mark_super_dirty(fs);
+			retval = 0;
+		}
+	} else if (retval == EXT2_ET_MMP_FAILED) {
+		com_err(ctx->program_name, retval, "%s",
+			_("while checking MMP block"));
+		dump_mmp_msg(fs->mmp_buf, NULL);
+	} else if (retval == EXT2_ET_MMP_FSCK_ON ||
+		   retval == EXT2_ET_MMP_UNKNOWN_SEQ) {
+		com_err(ctx->program_name, retval, "%s",
+			_("while checking MMP block"));
+		dump_mmp_msg(fs->mmp_buf,
+			     _("If you are sure the filesystem is not "
+			       "in use on any node, run:\n"
+			       "'tune2fs -f -E clear_mmp %s'\n"),
+			     ctx->device_name);
+	} else if (retval == EXT2_ET_MMP_MAGIC_INVALID) {
+		if (fix_problem(ctx, PR_0_MMP_INVALID_MAGIC, &pctx)) {
+			ext2fs_mmp_clear(fs);
+			retval = 0;
+		}
+	} else if (retval == EXT2_ET_MMP_CSUM_INVALID) {
+		if (fix_problem(ctx, PR_0_MMP_CSUM_INVALID, &pctx)) {
+			ext2fs_mmp_clear(fs);
+			retval = 0;
+		}
+	} else
+		com_err(ctx->program_name, retval, "%s",
+			_("while reading MMP block"));
+	return retval;
+}
+
+static int e2fsck_setup_tdb(e2fsck_t ctx, io_manager *io_ptr)
+{
+	errcode_t retval = ENOMEM;
+	char *tdb_dir = NULL, *tdb_file = NULL;
+	char *dev_name, *tmp_name;
+	int free_tdb_dir = 0;
+
+	/* (re)open a specific undo file */
+	if (ctx->undo_file && ctx->undo_file[0] != 0) {
+		retval = set_undo_io_backing_manager(*io_ptr);
+		if (retval)
+			goto err;
+		*io_ptr = undo_io_manager;
+		retval = set_undo_io_backup_file(ctx->undo_file);
+		if (retval)
+			goto err;
+		printf(_("Overwriting existing filesystem; this can be undone "
+			 "using the command:\n"
+			 "    e2undo %s %s\n\n"),
+			ctx->undo_file, ctx->filesystem_name);
+		return retval;
+	}
+
+	/*
+	 * Configuration via a conf file would be
+	 * nice
+	 */
+	tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
+	if (!tdb_dir) {
+		profile_get_string(ctx->profile, "defaults",
+				   "undo_dir", 0, "/var/lib/e2fsprogs",
+				   &tdb_dir);
+		free_tdb_dir = 1;
+	}
+
+	if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
+	    access(tdb_dir, W_OK)) {
+		if (free_tdb_dir)
+			free(tdb_dir);
+		return 0;
+	}
+
+	tmp_name = strdup(ctx->filesystem_name);
+	if (!tmp_name)
+		goto errout;
+	dev_name = basename(tmp_name);
+	tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
+	if (!tdb_file) {
+		free(tmp_name);
+		goto errout;
+	}
+	sprintf(tdb_file, "%s/e2fsck-%s.e2undo", tdb_dir, dev_name);
+	free(tmp_name);
+
+	if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
+		retval = errno;
+		com_err(ctx->program_name, retval,
+			_("while trying to delete %s"), tdb_file);
+		goto errout;
+	}
+
+	retval = set_undo_io_backing_manager(*io_ptr);
+	if (retval)
+		goto errout;
+	*io_ptr = undo_io_manager;
+	retval = set_undo_io_backup_file(tdb_file);
+	if (retval)
+		goto errout;
+	printf(_("Overwriting existing filesystem; this can be undone "
+		 "using the command:\n"
+		 "    e2undo %s %s\n\n"), tdb_file, ctx->filesystem_name);
+
+	if (free_tdb_dir)
+		free(tdb_dir);
+	free(tdb_file);
+	return 0;
+
+errout:
+	if (free_tdb_dir)
+		free(tdb_dir);
+	free(tdb_file);
+err:
+	com_err(ctx->program_name, retval, "%s",
+		_("while trying to setup undo file\n"));
+	return retval;
+}
+
+int main (int argc, char *argv[])
+{
+	errcode_t	retval = 0, retval2 = 0, orig_retval = 0;
+	int		exit_value = FSCK_OK;
+	ext2_filsys	fs = 0;
+	io_manager	io_ptr;
+	struct ext2_super_block *sb;
+	const char	*lib_ver_date;
+	int		my_ver, lib_ver;
+	e2fsck_t	ctx;
+	blk64_t		orig_superblock = ~(blk64_t)0;
+	struct problem_context pctx;
+	int flags, run_result, was_changed;
+	int journal_size;
+	int sysval, sys_page_size = 4096;
+	int old_bitmaps;
+	__u32 features[3];
+	char *cp;
+	enum quota_type qtype;
+	struct ext2fs_journal_params jparams;
+
+	clear_problem_context(&pctx);
+	sigcatcher_setup();
+#ifdef MTRACE
+	mtrace();
+#endif
+#ifdef MCHECK
+	mcheck(0);
+#endif
+#ifdef ENABLE_NLS
+	setlocale(LC_MESSAGES, "");
+	setlocale(LC_CTYPE, "");
+	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
+	textdomain(NLS_CAT_NAME);
+	set_com_err_gettext(gettext);
+#endif
+	my_ver = ext2fs_parse_version_string(my_ver_string);
+	lib_ver = ext2fs_get_library_version(0, &lib_ver_date);
+	if (my_ver > lib_ver) {
+		fprintf( stderr, "%s",
+			 _("Error: ext2fs library version out of date!\n"));
+		show_version_only++;
+	}
+
+	retval = PRS(argc, argv, &ctx);
+	if (retval) {
+		com_err("e2fsck", retval, "%s",
+			_("while trying to initialize program"));
+		exit(FSCK_ERROR);
+	}
+	reserve_stdio_fds();
+
+	set_up_logging(ctx);
+	if (ctx->logf) {
+		int i;
+
+		fputs("E2fsck run: ", ctx->logf);
+		for (i = 0; i < argc; i++) {
+			if (i)
+				fputc(' ', ctx->logf);
+			fputs(argv[i], ctx->logf);
+		}
+		fputc('\n', ctx->logf);
+	}
+	if (ctx->problem_logf) {
+		int i;
+
+		fputs("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n",
+		      ctx->problem_logf);
+		fprintf(ctx->problem_logf, "<problem_log time=\"%lu\">\n",
+			(unsigned long) ctx->now);
+		fprintf(ctx->problem_logf, "<invocation prog=\"%s\"",
+			argv[0]);
+		for (i = 1; i < argc; i++)
+			fprintf(ctx->problem_logf, " arg%d=\"%s\"", i, argv[i]);
+		fputs("/>\n", ctx->problem_logf);
+	}
+
+	init_resource_track(&ctx->global_rtrack, NULL);
+	if (!(ctx->options & E2F_OPT_PREEN) || show_version_only)
+		log_err(ctx, "e2fsck %s (%s)\n", my_ver_string,
+			 my_ver_date);
+
+	if (show_version_only) {
+		log_err(ctx, _("\tUsing %s, %s\n"),
+			error_message(EXT2_ET_BASE), lib_ver_date);
+		exit(FSCK_OK);
+	}
+
+	check_mount(ctx);
+
+	if (!(ctx->options & E2F_OPT_PREEN) &&
+	    !(ctx->options & E2F_OPT_NO) &&
+	    !(ctx->options & E2F_OPT_YES)) {
+		if (!ctx->interactive)
+			fatal_error(ctx,
+				    _("need terminal for interactive repairs"));
+	}
+	ctx->superblock = ctx->use_superblock;
+
+	flags = EXT2_FLAG_SKIP_MMP | EXT2_FLAG_THREADS;
+restart:
+#ifdef CONFIG_TESTIO_DEBUG
+	if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
+		io_ptr = test_io_manager;
+		test_io_backing_manager = unix_io_manager;
+	} else
+#endif
+		io_ptr = unix_io_manager;
+	flags |= EXT2_FLAG_NOFREE_ON_ERROR;
+	profile_get_boolean(ctx->profile, "options", "old_bitmaps", 0, 0,
+			    &old_bitmaps);
+	if (!old_bitmaps)
+		flags |= EXT2_FLAG_64BITS;
+	if ((ctx->options & E2F_OPT_READONLY) == 0) {
+		flags |= EXT2_FLAG_RW;
+		if (!(ctx->mount_flags & EXT2_MF_ISROOT &&
+		      ctx->mount_flags & EXT2_MF_READONLY))
+			flags |= EXT2_FLAG_EXCLUSIVE;
+		if ((ctx->mount_flags & EXT2_MF_READONLY) &&
+		    (ctx->options & E2F_OPT_FORCE))
+			flags &= ~EXT2_FLAG_EXCLUSIVE;
+	}
+
+	if (ctx->undo_file) {
+		retval = e2fsck_setup_tdb(ctx, &io_ptr);
+		if (retval)
+			exit(FSCK_ERROR);
+	}
+
+	ctx->openfs_flags = flags;
+	retval = try_open_fs(ctx, flags, io_ptr, &fs);
+
+	if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) &&
+	    !(ctx->flags & E2F_FLAG_SB_SPECIFIED) &&
+	    ((retval == EXT2_ET_BAD_MAGIC) ||
+	     (retval == EXT2_ET_SB_CSUM_INVALID) ||
+	     (retval == EXT2_ET_CORRUPT_SUPERBLOCK) ||
+	     ((retval == 0) && (retval2 = ext2fs_check_desc(fs))))) {
+		if (retval) {
+			pctx.errcode = retval;
+			fix_problem(ctx, PR_0_OPEN_FAILED, &pctx);
+		}
+		if (retval2) {
+			pctx.errcode = retval2;
+			fix_problem(ctx, PR_0_CHECK_DESC_FAILED, &pctx);
+		}
+		pctx.errcode = 0;
+		if (retval2 == ENOMEM || retval2 == EXT2_ET_NO_MEMORY) {
+			retval = retval2;
+			goto failure;
+		}
+		if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) {
+			ext2fs_free(fs);
+			fs = NULL;
+		}
+		if (!fs || (fs->group_desc_count > 1)) {
+			log_out(ctx, _("%s: %s trying backup blocks...\n"),
+				ctx->program_name,
+				retval ? _("Superblock invalid,") :
+				_("Group descriptors look bad..."));
+			orig_superblock = ctx->superblock;
+			get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr);
+			if (fs)
+				ext2fs_close_free(&fs);
+			orig_retval = retval;
+			retval = try_open_fs(ctx, flags, io_ptr, &fs);
+			if ((orig_retval == 0) && retval != 0) {
+				if (fs)
+					ext2fs_close_free(&fs);
+				log_out(ctx, _("%s: %s while using the "
+					       "backup blocks"),
+					ctx->program_name,
+					error_message(retval));
+				log_out(ctx, _("%s: going back to original "
+					       "superblock\n"),
+					ctx->program_name);
+				ctx->superblock = orig_superblock;
+				retval = try_open_fs(ctx, flags, io_ptr, &fs);
+			}
+		}
+	}
+	if (((retval == EXT2_ET_UNSUPP_FEATURE) ||
+	     (retval == EXT2_ET_RO_UNSUPP_FEATURE)) &&
+	    fs && fs->super) {
+		sb = fs->super;
+		features[0] = (sb->s_feature_compat &
+			       ~EXT2_LIB_FEATURE_COMPAT_SUPP);
+		features[1] = (sb->s_feature_incompat &
+			       ~EXT2_LIB_FEATURE_INCOMPAT_SUPP);
+		features[2] = (sb->s_feature_ro_compat &
+			       ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
+		if (features[0] || features[1] || features[2])
+			goto print_unsupp_features;
+	}
+failure:
+	if (retval) {
+		if (orig_retval)
+			retval = orig_retval;
+		com_err(ctx->program_name, retval, _("while trying to open %s"),
+			ctx->filesystem_name);
+		if (retval == EXT2_ET_REV_TOO_HIGH) {
+			log_out(ctx, "%s",
+				_("The filesystem revision is apparently "
+				  "too high for this version of e2fsck.\n"
+				  "(Or the filesystem superblock "
+				  "is corrupt)\n\n"));
+			fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
+		} else if (retval == EXT2_ET_SHORT_READ)
+			log_out(ctx, "%s",
+				_("Could this be a zero-length partition?\n"));
+		else if ((retval == EPERM) || (retval == EACCES))
+			log_out(ctx, _("You must have %s access to the "
+				       "filesystem or be root\n"),
+			       (ctx->options & E2F_OPT_READONLY) ?
+			       "r/o" : "r/w");
+		else if (retval == ENXIO)
+			log_out(ctx, "%s",
+				_("Possibly non-existent or swap device?\n"));
+		else if (retval == EBUSY)
+			log_out(ctx, "%s", _("Filesystem mounted or opened "
+					 "exclusively by another program?\n"));
+		else if (retval == ENOENT)
+			log_out(ctx, "%s",
+				_("Possibly non-existent device?\n"));
+#ifdef EROFS
+		else if (retval == EROFS)
+			log_out(ctx, "%s", _("Disk write-protected; use the "
+					     "-n option to do a read-only\n"
+					     "check of the device.\n"));
+#endif
+		else {
+			/*
+			 * Let's try once more will less consistency checking
+			 * so that we are able to recover from more errors
+			 * (e.g. some tool messing up some value in the sb).
+			 */
+			if (((retval == EXT2_ET_CORRUPT_SUPERBLOCK) ||
+			     (retval == EXT2_ET_BAD_DESC_SIZE)) &&
+			    !(flags & EXT2_FLAG_IGNORE_SB_ERRORS)) {
+				if (fs)
+					ext2fs_close_free(&fs);
+				log_out(ctx, _("%s: Trying to load superblock "
+					"despite errors...\n"),
+					ctx->program_name);
+				flags |= EXT2_FLAG_IGNORE_SB_ERRORS;
+				/*
+				 * If we tried backup sb, revert to the
+				 * original one now.
+				 */
+				if (orig_superblock != ~(blk64_t)0)
+					ctx->superblock = orig_superblock;
+				goto restart;
+			}
+			fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
+			if (retval == EXT2_ET_BAD_MAGIC)
+				check_plausibility(ctx->filesystem_name,
+						   CHECK_FS_EXIST, NULL);
+		}
+		fatal_error(ctx, 0);
+	}
+	/*
+	 * We only update the master superblock because (a) paranoia;
+	 * we don't want to corrupt the backup superblocks, and (b) we
+	 * don't need to update the mount count and last checked
+	 * fields in the backup superblock (the kernel doesn't update
+	 * the backup superblocks anyway).  With newer versions of the
+	 * library this flag is set by ext2fs_open2(), but we set this
+	 * here just to be sure.  (No, we don't support e2fsck running
+	 * with some other libext2fs than the one that it was shipped
+	 * with, but just in case....)
+	 */
+	fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
+
+	if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) {
+		__u32 blocksize = EXT2_BLOCK_SIZE(fs->super);
+		int need_restart = 0;
+
+		pctx.errcode = ext2fs_get_device_size2(ctx->filesystem_name,
+						       blocksize,
+						       &ctx->num_blocks);
+		/*
+		 * The floppy driver refuses to allow anyone else to
+		 * open the device if has been opened with O_EXCL;
+		 * this is unlike other block device drivers in Linux.
+		 * To handle this, we close the filesystem and then
+		 * reopen the filesystem after we get the device size.
+		 */
+		if (pctx.errcode == EBUSY) {
+			ext2fs_close_free(&fs);
+			need_restart++;
+			pctx.errcode =
+				ext2fs_get_device_size2(ctx->filesystem_name,
+							blocksize,
+							&ctx->num_blocks);
+		}
+		if (pctx.errcode == EXT2_ET_UNIMPLEMENTED)
+			ctx->num_blocks = 0;
+		else if (pctx.errcode) {
+			fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx);
+			ctx->flags |= E2F_FLAG_ABORT;
+			fatal_error(ctx, 0);
+		}
+		ctx->flags |= E2F_FLAG_GOT_DEVSIZE;
+		if (need_restart)
+			goto restart;
+	}
+
+	ctx->fs = fs;
+	fs->now = ctx->now;
+	sb = fs->super;
+
+	if (sb->s_rev_level > E2FSCK_CURRENT_REV) {
+		com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH,
+			_("while trying to open %s"),
+			ctx->filesystem_name);
+	get_newer:
+		fatal_error(ctx, _("Get a newer version of e2fsck!"));
+	}
+
+	/*
+	 * Set the device name, which is used whenever we print error
+	 * or informational messages to the user.
+	 */
+	if (ctx->device_name == 0 && sb->s_volume_name[0])
+		ctx->device_name = string_copy(ctx, (char *) sb->s_volume_name,
+					       sizeof(sb->s_volume_name));
+
+	if (ctx->device_name == 0)
+		ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0);
+	for (cp = ctx->device_name; *cp; cp++)
+		if (isspace(*cp) || *cp == ':')
+			*cp = '_';
+
+	if (ctx->problem_logf) {
+
+		fprintf(ctx->problem_logf, "<filesystem dev=\"%s\"",
+			ctx->filesystem_name);
+		if (!uuid_is_null(sb->s_uuid)) {
+			char buf[48];
+
+			uuid_unparse(sb->s_uuid, buf);
+			fprintf(ctx->problem_logf, " uuid=\"%s\"", buf);
+		}
+		if (sb->s_volume_name[0])
+			fprintf(ctx->problem_logf, " label=\"%.*s\"",
+				EXT2_LEN_STR(sb->s_volume_name));
+
+		fputs("/>\n", ctx->problem_logf);
+	}
+
+	ehandler_init(fs->io);
+
+	if (ext2fs_has_feature_mmp(fs->super) &&
+	    (flags & EXT2_FLAG_SKIP_MMP)) {
+		if (e2fsck_check_mmp(fs, ctx))
+			fatal_error(ctx, 0);
+
+		/*
+		 * Restart in order to reopen fs but this time start mmp.
+		 */
+		ext2fs_close_free(&ctx->fs);
+		flags &= ~EXT2_FLAG_SKIP_MMP;
+		goto restart;
+	}
+
+	if (ctx->logf)
+		fprintf(ctx->logf, "Filesystem UUID: %s\n",
+			e2p_uuid2str(sb->s_uuid));
+
+	/*
+	 * Make sure the ext3 superblock fields are consistent.
+	 */
+	if ((ctx->mount_flags & (EXT2_MF_MOUNTED | EXT2_MF_BUSY)) == 0) {
+		retval = e2fsck_check_ext3_journal(ctx);
+		if (retval) {
+			com_err(ctx->program_name, retval,
+				_("while checking journal for %s"),
+				ctx->device_name);
+			fatal_error(ctx,
+				_("Cannot proceed with file system check"));
+		}
+	}
+
+	/*
+	 * Check to see if we need to do ext3-style recovery.  If so,
+	 * do it, and then restart the fsck.
+	 */
+	if (ext2fs_has_feature_journal_needs_recovery(sb)) {
+		if (ctx->options & E2F_OPT_READONLY) {
+			log_out(ctx, "%s",
+				_("Warning: skipping journal recovery because "
+				  "doing a read-only filesystem check.\n"));
+			io_channel_flush(ctx->fs->io);
+		} else {
+			if (ctx->flags & E2F_FLAG_RESTARTED) {
+				/*
+				 * Whoops, we attempted to run the
+				 * journal twice.  This should never
+				 * happen, unless the hardware or
+				 * device driver is being bogus.
+				 */
+				com_err(ctx->program_name, 0,
+					_("unable to set superblock flags "
+					  "on %s\n"), ctx->device_name);
+				fatal_error(ctx, 0);
+			}
+			retval = e2fsck_run_ext3_journal(ctx);
+			if (retval == EFSBADCRC) {
+				log_out(ctx, _("Journal checksum error "
+					       "found in %s\n"),
+					ctx->device_name);
+			} else if (retval == EFSCORRUPTED) {
+				log_out(ctx, _("Journal corrupted in %s\n"),
+					ctx->device_name);
+			} else if (retval) {
+				com_err(ctx->program_name, retval,
+				_("while recovering journal of %s"),
+					ctx->device_name);
+			}
+			ext2fs_close_free(&ctx->fs);
+			ctx->flags |= E2F_FLAG_RESTARTED;
+			goto restart;
+		}
+	}
+
+	/*
+	 * Check for compatibility with the feature sets.  We need to
+	 * be more stringent than ext2fs_open().
+	 */
+	features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP;
+	features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP;
+	features[2] = (sb->s_feature_ro_compat &
+		       ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
+print_unsupp_features:
+	if (features[0] || features[1] || features[2]) {
+		int	i, j;
+		__u32	*mask = features, m;
+
+		log_err(ctx, _("%s has unsupported feature(s):"),
+			ctx->filesystem_name);
+
+		for (i=0; i <3; i++,mask++) {
+			for (j=0,m=1; j < 32; j++, m<<=1) {
+				if (*mask & m)
+					log_err(ctx, " %s",
+						e2p_feature2string(i, m));
+			}
+		}
+		log_err(ctx, "\n");
+		goto get_newer;
+	}
+
+	if (ext2fs_has_feature_casefold(sb) && !fs->encoding) {
+		log_err(ctx, _("%s has unsupported encoding: %0x\n"),
+			ctx->filesystem_name, sb->s_encoding);
+		goto get_newer;
+	}
+
+	/*
+	 * If the user specified a specific superblock, presumably the
+	 * master superblock has been trashed.  So we mark the
+	 * superblock as dirty, so it can be written out.
+	 */
+	if (ctx->superblock &&
+	    !(ctx->options & E2F_OPT_READONLY))
+		ext2fs_mark_super_dirty(fs);
+
+	/*
+	 * Calculate the number of filesystem blocks per pagesize.  If
+	 * fs->blocksize > page_size, set the number of blocks per
+	 * pagesize to 1 to avoid division by zero errors.
+	 */
+#ifdef _SC_PAGESIZE
+	sysval = sysconf(_SC_PAGESIZE);
+	if (sysval > 0)
+		sys_page_size = sysval;
+#endif /* _SC_PAGESIZE */
+	ctx->blocks_per_page = sys_page_size / fs->blocksize;
+	if (ctx->blocks_per_page == 0)
+		ctx->blocks_per_page = 1;
+
+	if (ctx->superblock)
+		set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0);
+	ext2fs_mark_valid(fs);
+	check_super_block(ctx);
+	if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+		fatal_error(ctx, 0);
+	check_if_skip(ctx);
+	check_resize_inode(ctx);
+	if (bad_blocks_file)
+		read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks);
+	else if (cflag)
+		read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */
+	if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+		fatal_error(ctx, 0);
+
+	/*
+	 * Mark the system as valid, 'til proven otherwise
+	 */
+	ext2fs_mark_valid(fs);
+
+	retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
+	if (retval) {
+		log_out(ctx, _("%s: %s while reading bad blocks inode\n"),
+			ctx->program_name, error_message(retval));
+		preenhalt(ctx);
+		log_out(ctx, "%s", _("This doesn't bode well, "
+				     "but we'll try to go on...\n"));
+	}
+
+	/*
+	 * Save the journal size in megabytes.
+	 * Try and use the journal size from the backup else let e2fsck
+	 * find the default journal size. If fast commit feature is enabled,
+	 * it is not clear how many of the journal blocks were fast commit
+	 * blocks. So, ignore the size of journal found in backup.
+	 *
+	 * TODO: Add a new backup type that captures fast commit info as
+	 * well.
+	 */
+	if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS &&
+		!ext2fs_has_feature_fast_commit(sb))
+		journal_size = (sb->s_jnl_blocks[15] << (32 - 20)) |
+			       (sb->s_jnl_blocks[16] >> 20);
+	else
+		journal_size = -1;
+
+	if (ext2fs_has_feature_quota(sb)) {
+		/* Quotas were enabled. Do quota accounting during fsck. */
+		clear_problem_context(&pctx);
+		pctx.errcode = quota_init_context(&ctx->qctx, ctx->fs, 0);
+		if (pctx.errcode) {
+			fix_problem(ctx, PR_0_QUOTA_INIT_CTX, &pctx);
+			fatal_error(ctx, 0);
+		}
+	}
+
+	run_result = e2fsck_run(ctx);
+	e2fsck_clear_progbar(ctx);
+
+	if (!ctx->invalid_bitmaps &&
+	    (ctx->flags & E2F_FLAG_JOURNAL_INODE)) {
+		if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) {
+			if (journal_size < 1024) {
+				ext2fs_get_journal_params(&jparams, fs);
+			} else {
+				jparams.num_journal_blocks = journal_size;
+				jparams.num_fc_blocks = 0;
+			}
+			log_out(ctx, _("Creating journal (%d blocks): "),
+			       jparams.num_journal_blocks);
+			fflush(stdout);
+			retval = ext2fs_add_journal_inode3(fs, &jparams, ~0ULL, 0);
+			if (retval) {
+				log_out(ctx, "%s: while trying to create "
+					"journal\n", error_message(retval));
+				goto no_journal;
+			}
+			log_out(ctx, "%s", _(" Done.\n"));
+			log_out(ctx, "%s",
+				_("\n*** journal has been regenerated ***\n"));
+		}
+	}
+
+no_journal:
+	if (run_result & E2F_FLAG_ABORT) {
+		fatal_error(ctx, _("aborted"));
+	} else if (run_result & E2F_FLAG_CANCEL) {
+		log_out(ctx, _("%s: e2fsck canceled.\n"), ctx->device_name ?
+			ctx->device_name : ctx->filesystem_name);
+		exit_value |= FSCK_CANCELED;
+		goto cleanup;
+	}
+
+	if (ext2fs_has_feature_orphan_file(fs->super)) {
+		int ret;
+
+		/* No point in orphan file without a journal... */
+		if (!ext2fs_has_feature_journal(fs->super) &&
+		    fix_problem(ctx, PR_6_ORPHAN_FILE_WITHOUT_JOURNAL, &pctx)) {
+			retval = ext2fs_truncate_orphan_file(fs);
+			if (retval) {
+				/* Huh, failed to delete file */
+				fix_problem(ctx, PR_6_ORPHAN_FILE_TRUNC_FAILED,
+					    &pctx);
+				goto check_quotas;
+			}
+			ext2fs_clear_feature_orphan_file(fs->super);
+			ext2fs_mark_super_dirty(fs);
+			goto check_quotas;
+		}
+		ret = check_init_orphan_file(ctx);
+		if (ret == 2 ||
+		    (ret == 0 && ext2fs_has_feature_orphan_present(fs->super) &&
+		     fix_problem(ctx, PR_6_ORPHAN_PRESENT_CLEAN_FILE, &pctx))) {
+			ext2fs_clear_feature_orphan_present(fs->super);
+			ext2fs_mark_super_dirty(fs);
+		} else if (ret == 1 &&
+		    fix_problem(ctx, PR_6_ORPHAN_FILE_CORRUPTED, &pctx)) {
+			int orphan_file_blocks;
+
+			if (ctx->invalid_bitmaps) {
+				fix_problem(ctx,
+					    PR_6_ORPHAN_FILE_BITMAP_INVALID,
+					    &pctx);
+				goto check_quotas;
+			}
+
+			retval = ext2fs_truncate_orphan_file(fs);
+			if (retval) {
+				/* Huh, failed to truncate file */
+				fix_problem(ctx, PR_6_ORPHAN_FILE_TRUNC_FAILED,
+					    &pctx);
+				goto check_quotas;
+			}
+
+			orphan_file_blocks =
+				ext2fs_default_orphan_file_blocks(fs);
+			log_out(ctx, _("Creating orphan file (%d blocks): "),
+				orphan_file_blocks);
+			fflush(stdout);
+			retval = ext2fs_create_orphan_file(fs,
+							   orphan_file_blocks);
+			if (retval) {
+				log_out(ctx, "%s: while trying to create "
+					"orphan file\n", error_message(retval));
+				fix_problem(ctx, PR_6_ORPHAN_FILE_CREATE_FAILED,
+					    &pctx);
+				goto check_quotas;
+			}
+			log_out(ctx, "%s", _(" Done.\n"));
+		}
+	} else if (ext2fs_has_feature_orphan_present(fs->super) &&
+		   fix_problem(ctx, PR_6_ORPHAN_PRESENT_NO_FILE, &pctx)) {
+			ext2fs_clear_feature_orphan_present(fs->super);
+			ext2fs_mark_super_dirty(fs);
+	}
+check_quotas:
+	if (ctx->qctx && !ctx->invalid_bitmaps) {
+		int needs_writeout;
+
+		for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
+			if (*quota_sb_inump(sb, qtype) == 0)
+				continue;
+			needs_writeout = 0;
+			pctx.num = qtype;
+			retval = quota_compare_and_update(ctx->qctx, qtype,
+							  &needs_writeout);
+			if ((retval || needs_writeout) &&
+			    fix_problem(ctx, PR_6_UPDATE_QUOTAS, &pctx)) {
+				pctx.errcode = quota_write_inode(ctx->qctx,
+								 1 << qtype);
+				if (pctx.errcode)
+					(void) fix_problem(ctx,
+						PR_6_WRITE_QUOTAS, &pctx);
+			}
+		}
+		quota_release_context(&ctx->qctx);
+	}
+
+	if (run_result == E2F_FLAG_RESTART) {
+		log_out(ctx, "%s",
+			_("Restarting e2fsck from the beginning...\n"));
+		retval = e2fsck_reset_context(ctx);
+		if (retval) {
+			com_err(ctx->program_name, retval, "%s",
+				_("while resetting context"));
+			fatal_error(ctx, 0);
+		}
+		ext2fs_close_free(&ctx->fs);
+		goto restart;
+	}
+
+cleanup:
+#ifdef MTRACE
+	mtrace_print("Cleanup");
+#endif
+	was_changed = ext2fs_test_changed(fs);
+	if (!(ctx->flags & E2F_FLAG_RUN_RETURN) &&
+	    !(ctx->options & E2F_OPT_READONLY)) {
+		if (ext2fs_test_valid(fs)) {
+			if (!(sb->s_state & EXT2_VALID_FS))
+				exit_value |= FSCK_NONDESTRUCT;
+			sb->s_state = EXT2_VALID_FS;
+			if (check_backup_super_block(ctx))
+				fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
+		} else
+			sb->s_state &= ~EXT2_VALID_FS;
+		if (!(ctx->flags & E2F_FLAG_TIME_INSANE))
+			sb->s_lastcheck = ctx->now;
+		sb->s_mnt_count = 0;
+		memset(((char *) sb) + EXT4_S_ERR_START, 0, EXT4_S_ERR_LEN);
+		pctx.errcode = ext2fs_set_gdt_csum(ctx->fs);
+		if (pctx.errcode)
+			fix_problem(ctx, PR_6_SET_BG_CHECKSUM, &pctx);
+		ext2fs_mark_super_dirty(fs);
+	}
+
+	if (ext2fs_has_feature_shared_blocks(ctx->fs->super) &&
+	    (ctx->options & E2F_OPT_UNSHARE_BLOCKS) &&
+	    (ctx->options & E2F_OPT_NO))
+		/* Don't try to write or flush I/O, we just wanted to know whether or
+		 * not there were enough free blocks to undo deduplication.
+		 */
+		goto skip_write;
+
+	if (!(ctx->options & E2F_OPT_READONLY)) {
+		e2fsck_write_bitmaps(ctx);
+		if (fs->flags & EXT2_FLAG_DIRTY) {
+			pctx.errcode = ext2fs_flush(ctx->fs);
+			if (pctx.errcode)
+				fix_problem(ctx, PR_6_FLUSH_FILESYSTEM, &pctx);
+		}
+		pctx.errcode = io_channel_flush(ctx->fs->io);
+		if (pctx.errcode)
+			fix_problem(ctx, PR_6_IO_FLUSH, &pctx);
+	}
+
+	if (was_changed) {
+		int fs_fixed = (ctx->flags & E2F_FLAG_PROBLEMS_FIXED);
+
+		if (fs_fixed)
+			exit_value |= FSCK_NONDESTRUCT;
+		if (!(ctx->options & E2F_OPT_PREEN)) {
+#if 0	/* Do this later; it breaks too many tests' golden outputs */
+			log_out(ctx, fs_fixed ?
+				_("\n%s: ***** FILE SYSTEM ERRORS "
+				  "CORRECTED *****\n") :
+				_("%s: File system was modified.\n"),
+				ctx->device_name);
+#else
+			log_out(ctx,
+				_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"),
+				ctx->device_name);
+#endif
+		}
+		if (ctx->mount_flags & EXT2_MF_ISROOT) {
+			log_out(ctx, _("%s: ***** REBOOT SYSTEM *****\n"),
+				ctx->device_name);
+			exit_value |= FSCK_REBOOT;
+		}
+	}
+
+skip_write:
+	if (!ext2fs_test_valid(fs) ||
+	    ((exit_value & FSCK_CANCELED) &&
+	     (sb->s_state & EXT2_ERROR_FS))) {
+		log_out(ctx, _("\n%s: ********** WARNING: Filesystem still has "
+			       "errors **********\n\n"), ctx->device_name);
+		exit_value |= FSCK_UNCORRECTED;
+		exit_value &= ~FSCK_NONDESTRUCT;
+	}
+	if (exit_value & FSCK_CANCELED) {
+		int	allow_cancellation;
+
+		profile_get_boolean(ctx->profile, "options",
+				    "allow_cancellation", 0, 0,
+				    &allow_cancellation);
+		exit_value &= ~FSCK_NONDESTRUCT;
+		if (allow_cancellation && ext2fs_test_valid(fs) &&
+		    (sb->s_state & EXT2_VALID_FS) &&
+		    !(sb->s_state & EXT2_ERROR_FS))
+			exit_value = 0;
+	} else
+		show_stats(ctx);
+
+	print_resource_track(ctx, NULL, &ctx->global_rtrack, ctx->fs->io);
+
+	ext2fs_close_free(&ctx->fs);
+	free(ctx->journal_name);
+
+	if (ctx->logf)
+		fprintf(ctx->logf, "Exit status: %d\n", exit_value);
+	e2fsck_free_context(ctx);
+	remove_error_table(&et_ext2_error_table);
+	remove_error_table(&et_prof_error_table);
+	return exit_value;
+}