[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/e2fsprogs/e2fsprogs-1.42.9/e2fsck/unix.c b/ap/app/e2fsprogs/e2fsprogs-1.42.9/e2fsck/unix.c
new file mode 100644
index 0000000..6f94644
--- /dev/null
+++ b/ap/app/e2fsprogs/e2fsprogs-1.42.9/e2fsck/unix.c
@@ -0,0 +1,1778 @@
+/*
+ * 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 "e2p/e2p.h"
+#include "et/com_err.h"
+#include "e2p/e2p.h"
+#include "e2fsck.h"
+#include "problem.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-jfs-debug */
+int journal_enable_debug = -1;
+#endif
+
+static void usage(e2fsck_t ctx)
+{
+ fprintf(stderr,
+ _("Usage: %s [-panyrcdfvtDFV] [-b superblock] [-B blocksize]\n"
+ "\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n"
+ "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n"
+ "\t\t[-E extended-options] device\n"),
+ ctx->program_name);
+
+ 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"
+ ));
+
+ 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, frag_percent_dir, frag_percent_total;
+ 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));
+
+ 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,
+ blocks_used, 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),
+ blocks_used, 100.0 * blocks_used / blocks, 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)) {
+ log_out(ctx, _("Warning! %s is %s.\n"),
+ ctx->filesystem_name,
+ ctx->mount_flags & EXT2_MF_MOUNTED ?
+ "mounted" : "in use");
+ return;
+ }
+
+ log_out(ctx, _("%s is %s.\n"), ctx->filesystem_name,
+ ctx->mount_flags & EXT2_MF_MOUNTED ? "mounted" : "in use");
+ 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[80];
+ 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, "%s %s %s %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, 80, "/proc/acpi/ac_adapter/%s/state",
+ de->d_name);
+ f = fopen(fname, "r");
+ if (!f)
+ continue;
+ if (fscanf(f, "%s %s", 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;
+
+ 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;
+ }
+ 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,
+ ext2fs_blocks_count(fs->super) -
+ ext2fs_free_blocks_count(fs->super),
+ 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(fs);
+ ctx->fs = NULL;
+ 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));
+ break;
+ }
+ }
+}
+
+#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;
+
+ 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, "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, "log_filename") == 0) {
+ if (!arg)
+ extended_usage++;
+ else
+ ctx->log_fn = string_copy(ctx, arg, 0);
+ continue;
+ } 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"), 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);
+ 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
+
+ retval = e2fsck_allocate_context(&ctx);
+ if (retval)
+ return retval;
+
+ *ret_ctx = ctx;
+
+ setvbuf(stdout, NULL, _IONBF, BUFSIZ);
+ setvbuf(stderr, NULL, _IONBF, BUFSIZ);
+ if (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
+ ctx->program_name = "e2fsck";
+
+ while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != 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", &ctx->use_superblock);
+ 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 = blkid_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++;
+ 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;
+ 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 = blkid_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);
+
+ 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;
+
+ /* 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
+ e2fsck_global_ctx = ctx;
+ 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 && ctx->blocksize) {
+ retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
+ flags, ctx->superblock, ctx->blocksize,
+ io_ptr, ret_fs);
+ } else if (ctx->superblock) {
+ int blocksize;
+ for (blocksize = EXT2_MIN_BLOCK_SIZE;
+ blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) {
+ if (*ret_fs) {
+ ext2fs_free(*ret_fs);
+ *ret_fs = NULL;
+ }
+ retval = ext2fs_open2(ctx->filesystem_name,
+ ctx->io_options, flags,
+ ctx->superblock, blocksize,
+ io_ptr, ret_fs);
+ if (!retval)
+ break;
+ }
+ } else
+ retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
+ flags, 0, 0, io_ptr, ret_fs);
+
+ if (retval == 0)
+ 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 e2fck 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 {device}'\n"));
+ } else if (retval == EXT2_ET_MMP_MAGIC_INVALID) {
+ if (fix_problem(ctx, PR_0_MMP_INVALID_MAGIC, &pctx)) {
+ ext2fs_mmp_clear(fs);
+ retval = 0;
+ }
+ }
+ 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;
+ struct problem_context pctx;
+ int flags, run_result;
+ int journal_size;
+ int sysval, sys_page_size = 4096;
+ int old_bitmaps;
+ __u32 features[3];
+ char *cp;
+ int qtype = -99; /* quota type */
+
+ 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);
+ }
+
+ 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;
+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;
+ }
+
+ 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_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(fs);
+ orig_retval = retval;
+ retval = try_open_fs(ctx, flags, io_ptr, &fs);
+ if ((orig_retval == 0) && retval != 0) {
+ if (fs)
+ ext2fs_close(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
+ fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
+ 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(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->priv_data = ctx;
+ 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] != 0)) {
+ ctx->device_name = string_copy(ctx, 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 = '_';
+
+ ehandler_init(fs->io);
+
+ if ((fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) &&
+ (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(fs);
+ ctx->fs = NULL;
+ 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.
+ */
+ retval = e2fsck_check_ext3_journal(ctx);
+ if (retval) {
+ com_err(ctx->program_name, retval,
+ _("while checking ext3 journal for %s"),
+ ctx->device_name);
+ fatal_error(ctx, 0);
+ }
+
+ /*
+ * Check to see if we need to do ext3-style recovery. If so,
+ * do it, and then restart the fsck.
+ */
+ if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) {
+ 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) {
+ com_err(ctx->program_name, retval,
+ _("while recovering ext3 journal of %s"),
+ ctx->device_name);
+ fatal_error(ctx, 0);
+ }
+ ext2fs_close(ctx->fs);
+ ctx->fs = 0;
+ 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;
+ }
+#ifdef ENABLE_COMPRESSION
+ if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION)
+ log_err(ctx, _("%s: warning: compression support "
+ "is experimental.\n"),
+ ctx->program_name);
+#endif
+#ifndef ENABLE_HTREE
+ if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) {
+ log_err(ctx, _("%s: e2fsck not compiled with HTREE support,\n\t"
+ "but filesystem %s has HTREE directories.\n"),
+ ctx->program_name, ctx->device_name);
+ goto get_newer;
+ }
+#endif
+
+ /*
+ * 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 (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS)
+ journal_size = (sb->s_jnl_blocks[15] << (32 - 20)) |
+ (sb->s_jnl_blocks[16] >> 20);
+ else
+ journal_size = -1;
+
+ if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_QUOTA) {
+ /* Quotas were enabled. Do quota accounting during fsck. */
+ if ((sb->s_usr_quota_inum && sb->s_grp_quota_inum) ||
+ (!sb->s_usr_quota_inum && !sb->s_grp_quota_inum))
+ qtype = -1;
+ else
+ qtype = sb->s_usr_quota_inum ? USRQUOTA : GRPQUOTA;
+
+ quota_init_context(&ctx->qctx, ctx->fs, qtype);
+ }
+
+ run_result = e2fsck_run(ctx);
+ e2fsck_clear_progbar(ctx);
+
+ if (ctx->flags & E2F_FLAG_JOURNAL_INODE) {
+ if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) {
+ if (journal_size < 1024)
+ journal_size = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super));
+ if (journal_size < 0) {
+ fs->super->s_feature_compat &=
+ ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+ fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
+ log_out(ctx, "%s: Couldn't determine "
+ "journal size\n", ctx->program_name);
+ goto no_journal;
+ }
+ log_out(ctx, _("Creating journal (%d blocks): "),
+ journal_size);
+ fflush(stdout);
+ retval = ext2fs_add_journal_inode(fs,
+ journal_size, 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 re-created - "
+ "filesystem is now ext3 again ***\n"));
+ }
+ }
+no_journal:
+
+ if (ctx->qctx) {
+ int i, needs_writeout;
+ for (i = 0; i < MAXQUOTAS; i++) {
+ if (qtype != -1 && qtype != i)
+ continue;
+ needs_writeout = 0;
+ pctx.num = i;
+ retval = quota_compare_and_update(ctx->qctx, i,
+ &needs_writeout);
+ if ((retval || needs_writeout) &&
+ fix_problem(ctx, PR_6_UPDATE_QUOTAS, &pctx))
+ quota_write_inode(ctx->qctx, i);
+ }
+ 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(fs);
+ goto restart;
+ }
+ 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;
+ }
+ if (run_result & E2F_FLAG_ABORT)
+ fatal_error(ctx, _("aborted"));
+ if (check_backup_super_block(ctx)) {
+ fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
+ ext2fs_mark_super_dirty(fs);
+ }
+
+#ifdef MTRACE
+ mtrace_print("Cleanup");
+#endif
+ if (ext2fs_test_changed(fs)) {
+ exit_value |= FSCK_NONDESTRUCT;
+ if (!(ctx->options & E2F_OPT_PREEN))
+ log_out(ctx, _("\n%s: ***** FILE SYSTEM WAS "
+ "MODIFIED *****\n"),
+ ctx->device_name);
+ if (ctx->mount_flags & EXT2_MF_ISROOT) {
+ log_out(ctx, _("%s: ***** REBOOT LINUX *****\n"),
+ ctx->device_name);
+ exit_value |= FSCK_REBOOT;
+ }
+ }
+ 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);
+ if (!(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;
+ } else
+ sb->s_state &= ~EXT2_VALID_FS;
+ sb->s_mnt_count = 0;
+ if (!(ctx->flags & E2F_FLAG_TIME_INSANE))
+ sb->s_lastcheck = ctx->now;
+ memset(((char *) sb) + EXT4_S_ERR_START, 0,
+ EXT4_S_ERR_LEN);
+ ext2fs_mark_super_dirty(fs);
+ }
+ }
+
+ if ((run_result & E2F_FLAG_CANCEL) == 0 &&
+ sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM &&
+ !(ctx->options & E2F_OPT_READONLY)) {
+ retval = ext2fs_set_gdt_csum(ctx->fs);
+ if (retval) {
+ com_err(ctx->program_name, retval, "%s",
+ _("while setting block group checksum info"));
+ fatal_error(ctx, 0);
+ }
+ }
+
+ e2fsck_write_bitmaps(ctx);
+ io_channel_flush(ctx->fs->io);
+ print_resource_track(ctx, NULL, &ctx->global_rtrack, ctx->fs->io);
+
+ ext2fs_close(fs);
+ ctx->fs = NULL;
+ free(ctx->journal_name);
+
+ e2fsck_free_context(ctx);
+ remove_error_table(&et_ext2_error_table);
+ remove_error_table(&et_prof_error_table);
+ return exit_value;
+}