Whamcloud - gitweb
Merge branch 'maint' into next
[tools/e2fsprogs.git] / e2fsck / unix.c
index 4cf55a9..a6c8d25 100644 (file)
@@ -11,6 +11,7 @@
 
 #define _XOPEN_SOURCE 600 /* for inclusion of sa_handler in Solaris */
 
+#include "config.h"
 #include <stdio.h>
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
@@ -32,9 +33,6 @@ extern int optind;
 #ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
-#ifdef HAVE_MNTENT_H
-#include <mntent.h>
-#endif
 #ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
 #endif
@@ -104,8 +102,9 @@ static void show_stats(e2fsck_t     ctx)
        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;
+       int i, j, printed = 0;
 
        dir_links = 2 * ctx->fs_directory_count - 1;
        num_files = ctx->fs_total_count - dir_links;
@@ -129,71 +128,96 @@ static void show_stats(e2fsck_t   ctx)
        frag_percent_total = (frag_percent_total + 5) / 10;
 
        if (!verbose) {
-               printf(_("%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);
+               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;
        }
-       printf (P_("\n%8u inode used (%2.2f%%)\n", "\n%8u inodes used (%2.2f%%)\n",
-                  inodes_used), inodes_used, 100.0 * inodes_used / inodes);
-       printf (P_("%8u non-contiguous file (%0d.%d%%)\n",
-                  "%8u non-contiguous files (%0d.%d%%)\n",
-                  ctx->fs_fragmented),
+       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);
-       printf (P_("%8u non-contiguous directory (%0d.%d%%)\n",
-                  "%8u non-contiguous directories (%0d.%d%%)\n",
-                  ctx->fs_fragmented_dir),
+       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);
-       printf (_("         # of inodes with ind/dind/tind blocks: %u/%u/%u\n"),
+       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) {
-               printf (_("         Extent depth histogram: "));
+               log_out(ctx, _("             Extent depth histogram: "));
                for (i=0; i < j; i++) {
                        if (i)
                                fputc('/', stdout);
-                       printf("%u", ctx->extent_depth_count[i]);
+                       log_out(ctx, "%u", ctx->extent_depth_count[i]);
                }
-               fputc('\n', stdout);
+               log_out(ctx, "\n");
        }
 
-       printf (P_("%8llu block used (%2.2f%%)\n",
-                  "%8llu blocks used (%2.2f%%)\n",
-                  blocks_used), blocks_used, 100.0 * blocks_used / blocks);
-       printf (P_("%8u bad block\n", "%8u bad blocks\n",
-                  ctx->fs_badblocks_count), ctx->fs_badblocks_count);
-       printf (P_("%8u large file\n", "%8u large files\n",
-                  ctx->large_files), ctx->large_files);
-       printf (P_("\n%8u regular file\n", "\n%8u regular files\n",
-                  ctx->fs_regular_count), ctx->fs_regular_count);
-       printf (P_("%8u directory\n", "%8u directories\n",
-                  ctx->fs_directory_count), ctx->fs_directory_count);
-       printf (P_("%8u character device file\n",
-                  "%8u character device files\n", ctx->fs_chardev_count),
+       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);
-       printf (P_("%8u block device file\n", "%8u block device files\n",
-                  ctx->fs_blockdev_count), ctx->fs_blockdev_count);
-       printf (P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_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);
-       printf (P_("%8u link\n", "%8u links\n",
-                  ctx->fs_links_count - dir_links),
+       log_out(ctx, P_("%12u link\n", "%12u links\n", num_links),
                ctx->fs_links_count - dir_links);
-       printf (P_("%8u symbolic link", "%8u symbolic links",
-                  ctx->fs_symlinks_count), ctx->fs_symlinks_count);
-       printf (P_(" (%u fast symbolic link)\n", " (%u fast symbolic links)\n",
-                  ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count);
-       printf (P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count),
+       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);
-       printf ("--------\n");
-       printf (P_("%8u file\n", "%8u files\n",
-                  ctx->fs_total_count - dir_links),
-               ctx->fs_total_count - dir_links);
+       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)
@@ -215,25 +239,34 @@ static void check_mount(e2fsck_t ctx)
         * 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)) ||
+       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) &&
+       if (((ctx->options & E2F_OPT_READONLY) ||
+            ((ctx->options & E2F_OPT_FORCE) &&
+             (ctx->mount_flags & EXT2_MF_READONLY))) &&
            !(ctx->options & E2F_OPT_WRITECHECK)) {
-               printf(_("Warning!  %s is mounted.\n"), ctx->filesystem_name);
+               log_out(ctx, _("Warning!  %s is %s.\n"),
+                       ctx->filesystem_name,
+                       ctx->mount_flags & EXT2_MF_MOUNTED ?
+                               "mounted" : "in use");
                return;
        }
 
-       printf(_("%s is mounted.  "), ctx->filesystem_name);
-       if (!ctx->interactive)
+       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"));
-       printf(_("\n\n\007\007\007\007WARNING!!!  "
-              "The filesystem is mounted.   If you continue you ***WILL***\n"
-              "cause ***SEVERE*** filesystem damage.\007\007\007\n\n"));
-       cont = ask_yn(_("Do you really want to continue"), -1);
+       puts("\007\007\007\007");
+       log_out(ctx, _("\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 (_("check aborted.\n"));
                exit (0);
@@ -249,6 +282,14 @@ static int is_on_batt(void)
        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)
@@ -287,6 +328,7 @@ static int is_on_batt(void)
 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;
@@ -308,6 +350,9 @@ static void check_if_skip(e2fsck_t ctx)
        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;
@@ -341,17 +386,48 @@ static void check_if_skip(e2fsck_t ctx)
                        reason = 0;
        }
        if (reason) {
-               fputs(ctx->device_name, stdout);
-               printf(reason, reason_arg);
-               fputs(_(", check forced.\n"), stdout);
+               log_out(ctx, "%s", ctx->device_name);
+               log_out(ctx, reason, reason_arg);
+               log_out(ctx, _(", check forced.\n"));
                return;
        }
-       printf(_("%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));
+
+       /*
+        * 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;
@@ -364,14 +440,15 @@ static void check_if_skip(e2fsck_t ctx)
        if (next_check <= 5) {
                if (next_check == 1) {
                        if (batt)
-                               fputs(_(" (check deferred; on battery)"),
-                                     stdout);
+                               log_out(ctx, _(" (check deferred; "
+                                              "on battery)"));
                        else
-                               fputs(_(" (check after next mount)"), stdout);
+                               log_out(ctx, _(" (check after next mount)"));
                } else
-                       printf(_(" (check in %ld mounts)"), next_check);
+                       log_out(ctx, _(" (check in %ld mounts)"), next_check);
        }
-       fputc('\n', stdout);
+       log_out(ctx, "\n");
+skip:
        ext2fs_close(fs);
        ctx->fs = NULL;
        e2fsck_free_context(ctx);
@@ -507,14 +584,16 @@ static int e2fsck_update_progress(e2fsck_t ctx, int pass,
 
 #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;
+       int     fd = 0;
 
-       while (1) {
+       while (fd <= 2) {
                fd = open("/dev/null", O_RDWR);
-               if (fd > 2)
-                       break;
                if (fd < 0) {
                        fprintf(stderr, _("ERROR: Couldn't open "
                                "/dev/null (%s)\n"),
@@ -522,7 +601,6 @@ static void reserve_stdio_fds(void)
                        break;
                }
        }
-       close(fd);
 }
 
 #ifdef HAVE_SIGNAL_H
@@ -594,12 +672,24 @@ static void parse_extended_opts(e2fsck_t ctx, const char *opts)
                } 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);
@@ -615,6 +705,7 @@ static void parse_extended_opts(e2fsck_t ctx, const char *opts)
                       "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);
@@ -761,7 +852,14 @@ static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
                                goto sscanf_err;
                        break;
                case 'j':
-                       ctx->journal_name = string_copy(ctx, optarg, 0);
+                       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);
@@ -842,6 +940,20 @@ static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
        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) {
@@ -949,12 +1061,103 @@ static errcode_t try_open_fs(e2fsck_t ctx, int flags, io_manager io_ptr,
        } 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,
+                       _("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,
+                       _("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;
+               }
+       } else if (retval == EXT2_ET_MMP_CSUM_INVALID) {
+               if (fix_problem(ctx, PR_0_MMP_CSUM_INVALID, &pctx)) {
+                       ext2fs_mmp_clear(fs);
+                       retval = 0;
+               }
+       }
+       return retval;
+}
+
 int main (int argc, char *argv[])
 {
        errcode_t       retval = 0, retval2 = 0, orig_retval = 0;
@@ -965,7 +1168,7 @@ int main (int argc, char *argv[])
        const char      *lib_ver_date;
        int             my_ver, lib_ver;
        e2fsck_t        ctx;
-       blk_t           orig_superblock;
+       blk64_t         orig_superblock;
        struct problem_context pctx;
        int flags, run_result;
        int journal_size;
@@ -973,8 +1176,10 @@ int main (int argc, char *argv[])
        int old_bitmaps;
        __u32 features[3];
        char *cp;
+       int qtype = -99;  /* quota type */
 
        clear_problem_context(&pctx);
+       sigcatcher_setup();
 #ifdef MTRACE
        mtrace();
 #endif
@@ -986,6 +1191,7 @@ int main (int argc, char *argv[])
        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);
@@ -1003,13 +1209,25 @@ int main (int argc, char *argv[])
        }
        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)
-               fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string,
+               log_err(ctx, "e2fsck %s (%s)\n", my_ver_string,
                         my_ver_date);
 
        if (show_version_only) {
-               fprintf(stderr, _("\tUsing %s, %s\n"),
+               log_err(ctx, _("\tUsing %s, %s\n"),
                        error_message(EXT2_ET_BASE), lib_ver_date);
                exit(FSCK_OK);
        }
@@ -1024,6 +1242,8 @@ int main (int argc, char *argv[])
                                    _("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")) {
@@ -1032,24 +1252,39 @@ restart:
        } else
 #endif
                io_ptr = unix_io_manager;
-       flags = EXT2_FLAG_NOFREE_ON_ERROR;
+       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)
+       if ((ctx->options & E2F_OPT_READONLY) == 0) {
                flags |= EXT2_FLAG_RW;
-       if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0)
-               flags |= EXT2_FLAG_EXCLUSIVE;
+               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_SB_CSUM_INVALID) ||
             (retval == EXT2_ET_CORRUPT_SUPERBLOCK) ||
             ((retval == 0) && (retval2 = ext2fs_check_desc(fs))))) {
-               if (retval2 == ENOMEM) {
+               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;
                }
@@ -1058,10 +1293,10 @@ restart:
                        fs = NULL;
                }
                if (!fs || (fs->group_desc_count > 1)) {
-                       printf(_("%s: %s trying backup blocks...\n"),
-                              ctx->program_name,
-                              retval ? _("Superblock invalid,") :
-                              _("Group descriptors look bad..."));
+                       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)
@@ -1071,10 +1306,13 @@ restart:
                        if ((orig_retval == 0) && retval != 0) {
                                if (fs)
                                        ext2fs_close(fs);
-                               com_err(ctx->program_name, retval,
-                                       "when using the backup blocks");
-                               printf(_("%s: going back to original "
-                                        "superblock\n"), ctx->program_name);
+                               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);
                        }
@@ -1100,30 +1338,32 @@ failure:
                com_err(ctx->program_name, retval, _("while trying to open %s"),
                        ctx->filesystem_name);
                if (retval == EXT2_ET_REV_TOO_HIGH) {
-                       printf(_("The filesystem revision is apparently "
+                       log_out(ctx, _("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)
-                       printf(_("Could this be a zero-length partition?\n"));
+                       log_out(ctx, _("Could this be a zero-length "
+                                      "partition?\n"));
                else if ((retval == EPERM) || (retval == EACCES))
-                       printf(_("You must have %s access to the "
+                       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)
-                       printf(_("Possibly non-existent or swap device?\n"));
+                       log_out(ctx, _("Possibly non-existent or "
+                                      "swap device?\n"));
                else if (retval == EBUSY)
-                       printf(_("Filesystem mounted or opened exclusively "
-                                "by another program?\n"));
+                       log_out(ctx, _("Filesystem mounted or opened "
+                                "exclusively by another program?\n"));
                else if (retval == ENOENT)
-                       printf(_("Possibly non-existent device?\n"));
+                       log_out(ctx, _("Possibly non-existent device?\n"));
 #ifdef EROFS
                else if (retval == EROFS)
-                       printf(_("Disk write-protected; use the -n option "
-                              "to do a read-only\n"
-                              "check of the device.\n"));
+                       log_out(ctx, _("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);
@@ -1180,6 +1420,7 @@ failure:
        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"),
@@ -1205,9 +1446,23 @@ failure:
 
        ehandler_init(fs->io);
 
-       if ((ctx->mount_flags & EXT2_MF_MOUNTED) &&
-           !(sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER))
-               goto skip_journal;
+       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.
@@ -1226,9 +1481,9 @@ failure:
         */
        if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) {
                if (ctx->options & E2F_OPT_READONLY) {
-                       printf(_("Warning: skipping journal recovery "
-                                "because doing a read-only filesystem "
-                                "check.\n"));
+                       log_out(ctx, _("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) {
@@ -1256,7 +1511,6 @@ failure:
                }
        }
 
-skip_journal:
        /*
         * Check for compatibility with the feature sets.  We need to
         * be more stringent than ext2fs_open().
@@ -1270,30 +1524,30 @@ print_unsupp_features:
                int     i, j;
                __u32   *mask = features, m;
 
-               fprintf(stderr, _("%s has unsupported feature(s):"),
+               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)
-                                       fprintf(stderr, " %s",
+                                       log_err(ctx, " %s",
                                                e2p_feature2string(i, m));
                        }
                }
-               putc('\n', stderr);
+               log_err(ctx, "\n");
                goto get_newer;
        }
 #ifdef ENABLE_COMPRESSION
        if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION)
-               com_err(ctx->program_name, 0,
-                       _("Warning: compression support is experimental.\n"));
+               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) {
-               com_err(ctx->program_name, 0,
-                       _("E2fsck not compiled with HTREE support,\n\t"
+               log_err(ctx, _("%s: e2fsck not compiled with HTREE support,\n\t"
                          "but filesystem %s has HTREE directories.\n"),
-                       ctx->device_name);
+                       ctx->program_name, ctx->device_name);
                goto get_newer;
        }
 #endif
@@ -1343,11 +1597,11 @@ print_unsupp_features:
 
        retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
        if (retval) {
-               com_err(ctx->program_name, retval,
-                       _("while reading bad blocks inode"));
+               log_out(ctx, _("%s: %s while reading bad blocks inode\n"),
+                       ctx->program_name, error_message(retval));
                preenhalt(ctx);
-               printf(_("This doesn't bode well,"
-                        but we'll try to go on...\n"));
+               log_out(ctx, _("This doesn't bode well, "
+                              "but we'll try to go on...\n"));
        }
 
        /*
@@ -1356,10 +1610,22 @@ print_unsupp_features:
         * find the default journal size.
         */
        if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS)
-               journal_size = sb->s_jnl_blocks[16] >> 20;
+               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);
 
@@ -1371,29 +1637,45 @@ print_unsupp_features:
                                fs->super->s_feature_compat &=
                                        ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
                                fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
-                               com_err(ctx->program_name, 0,
-                                       _("Couldn't determine journal size"));
+                               log_out(ctx, "%s: Couldn't determine "
+                                       "journal size\n", ctx->program_name);
                                goto no_journal;
                        }
-                       printf(_("Creating journal (%d blocks): "),
+                       log_out(ctx, _("Creating journal (%d blocks): "),
                               journal_size);
                        fflush(stdout);
                        retval = ext2fs_add_journal_inode(fs,
                                                          journal_size, 0);
                        if (retval) {
-                               com_err("Error ", retval,
-                                       _("\n\twhile trying to create journal"));
+                               log_out(ctx, "%s: while trying to create "
+                                       "journal\n", error_message(retval));
                                goto no_journal;
                        }
-                       printf(_(" Done.\n"));
-                       printf(_("\n*** journal has been re-created - "
+                       log_out(ctx, _(" Done.\n"));
+                       log_out(ctx, _("\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) {
-               printf(_("Restarting e2fsck from the beginning...\n"));
+               log_out(ctx, _("Restarting e2fsck from the beginning...\n"));
                retval = e2fsck_reset_context(ctx);
                if (retval) {
                        com_err(ctx->program_name, retval,
@@ -1404,8 +1686,8 @@ no_journal:
                goto restart;
        }
        if (run_result & E2F_FLAG_CANCEL) {
-               printf(_("%s: e2fsck canceled.\n"), ctx->device_name ?
-                      ctx->device_name : ctx->filesystem_name);
+               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)
@@ -1421,19 +1703,20 @@ no_journal:
        if (ext2fs_test_changed(fs)) {
                exit_value |= FSCK_NONDESTRUCT;
                if (!(ctx->options & E2F_OPT_PREEN))
-                   printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"),
-                              ctx->device_name);
+                       log_out(ctx, _("\n%s: ***** FILE SYSTEM WAS "
+                                      "MODIFIED *****\n"),
+                               ctx->device_name);
                if (ctx->mount_flags & EXT2_MF_ISROOT) {
-                       printf(_("%s: ***** REBOOT LINUX *****\n"),
-                              ctx->device_name);
+                       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))) {
-               printf(_("\n%s: ********** WARNING: Filesystem still has "
-                        "errors **********\n\n"), ctx->device_name);
+               log_out(ctx, _("\n%s: ********** WARNING: Filesystem still has "
+                              "errors **********\n\n"), ctx->device_name);
                exit_value |= FSCK_UNCORRECTED;
                exit_value &= ~FSCK_NONDESTRUCT;
        }
@@ -1467,7 +1750,7 @@ no_journal:
        }
 
        if ((run_result & E2F_FLAG_CANCEL) == 0 &&
-           sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM &&
+           ext2fs_has_group_desc_csum(ctx->fs) &&
            !(ctx->options & E2F_OPT_READONLY)) {
                retval = ext2fs_set_gdt_csum(ctx->fs);
                if (retval) {