Whamcloud - gitweb
Merge branch 'maint' into next
[tools/e2fsprogs.git] / misc / dumpe2fs.c
index 53ef32a..c01ffe5 100644 (file)
@@ -32,11 +32,12 @@ extern int optind;
 #include <string.h>
 #include <unistd.h>
 
-#include <linux/ext2_fs.h>
+#include "ext2fs/ext2_fs.h"
 
 #include "ext2fs/ext2fs.h"
 #include "e2p/e2p.h"
 #include "jfs_user.h"
+#include <uuid/uuid.h>
 
 #include "../version.h"
 #include "nls-enable.h"
@@ -45,15 +46,31 @@ extern int optind;
 
 const char * program_name = "dumpe2fs";
 char * device_name = NULL;
-int opt_hex = 0;
+int hex_format = 0;
 
 static void usage(void)
 {
-       fprintf (stderr, _("Usage: %s [-bfhxV] [-ob superblock] "
-                "[-oB blocksize] device\n"), program_name);
+       fprintf (stderr, _("Usage: %s [-bfhixV] [-o superblock=<num>] "
+                "[-o blocksize=<num>] device\n"), program_name);
        exit (1);
 }
 
+static void print_number(unsigned long num)
+{
+       if (hex_format)
+               printf("0x%04lx", num);
+       else
+               printf("%lu", num);
+}
+
+static void print_range(unsigned long long a, unsigned long long b)
+{
+       if (hex_format)
+               printf("0x%llx-0x%llx", a, b);
+       else
+               printf("%llu-%llu", a, b);
+}
+
 static void print_free (unsigned long group, char * bitmap,
                        unsigned long nbytes, unsigned long offset)
 {
@@ -61,151 +78,289 @@ static void print_free (unsigned long group, char * bitmap,
        unsigned long i;
        unsigned long j;
 
+       offset += group * nbytes;
        for (i = 0; i < nbytes; i++)
                if (!in_use (bitmap, i))
                {
                        if (p)
                                printf (", ");
-                       if (i == nbytes - 1 || in_use (bitmap, i + 1))
-                               printf (opt_hex ? "0x%04x" : "%lu",
-                                       group * nbytes + i + offset);
-                       else
-                       {
-                               for (j = i; j < nbytes && !in_use (bitmap, j);
-                                    j++)
-                                       ;
-                               printf (opt_hex ? "0x%04lx-0x%04lx" :
-                                       "%lu-%lu", group * nbytes + i + offset,
-                                       group * nbytes + (j - 1) + offset);
-                               i = j - 1;
+                       print_number(i + offset);
+                       for (j = i; j < nbytes && !in_use (bitmap, j); j++)
+                               ;
+                       if (--j != i) {
+                               fputc('-', stdout);
+                               print_number(j + offset);
+                               i = j;
                        }
                        p = 1;
                }
 }
 
+static void print_bg_opt(int bg_flags, int mask,
+                         const char *str, int *first)
+{
+       if (bg_flags & mask) {
+               if (*first) {
+                       fputs(" [", stdout);
+                       *first = 0;
+               } else
+                       fputs(", ", stdout);
+               fputs(str, stdout);
+       }
+}
+static void print_bg_opts(ext2_filsys fs, dgrp_t i)
+{
+       int first = 1, bg_flags = 0;
+
+       if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM)
+               bg_flags = ext2fs_bg_flags(fs, i);
+
+       print_bg_opt(bg_flags, EXT2_BG_INODE_UNINIT, "INODE_UNINIT",
+                    &first);
+       print_bg_opt(bg_flags, EXT2_BG_BLOCK_UNINIT, "BLOCK_UNINIT",
+                    &first);
+       print_bg_opt(bg_flags, EXT2_BG_INODE_ZEROED, "ITABLE_ZEROED",
+                    &first);
+       if (!first)
+               fputc(']', stdout);
+       fputc('\n', stdout);
+}
+
+static void print_bg_rel_offset(ext2_filsys fs, blk64_t block, int itable,
+                               blk64_t first_block, blk64_t last_block)
+{
+       if ((block >= first_block) && (block <= last_block)) {
+               if (itable && block == first_block)
+                       return;
+               printf(" (+%u)", (unsigned)(block - first_block));
+       } else if (fs->super->s_feature_incompat &
+                  EXT4_FEATURE_INCOMPAT_FLEX_BG) {
+               dgrp_t flex_grp = ext2fs_group_of_blk(fs, block);
+               printf(" (bg #%u + %u)", flex_grp,
+                      (unsigned)(block-ext2fs_group_first_block(fs,flex_grp)));
+       }
+}
+
 static void list_desc (ext2_filsys fs)
 {
        unsigned long i;
-       blk_t   group_blk, next_blk;
-       char * block_bitmap = fs->block_map->bitmap;
-       char * inode_bitmap = fs->inode_map->bitmap;
-       int inode_blocks_per_group;
-       int group_desc_blocks;
+       blk64_t first_block, last_block;
+       blk64_t super_blk, old_desc_blk, new_desc_blk;
+       char *block_bitmap=NULL, *inode_bitmap=NULL;
+       int inode_blocks_per_group, old_desc_blocks, reserved_gdt;
+       int             block_nbytes, inode_nbytes;
+       int has_super;
+       blk64_t         blk_itr = fs->super->s_first_data_block;
+       ext2_ino_t      ino_itr = 1;
+
+       block_nbytes = EXT2_BLOCKS_PER_GROUP(fs->super) / 8;
+       inode_nbytes = EXT2_INODES_PER_GROUP(fs->super) / 8;
+
+       if (fs->block_map)
+               block_bitmap = malloc(block_nbytes);
+       if (fs->inode_map)
+               inode_bitmap = malloc(inode_nbytes);
 
        inode_blocks_per_group = ((fs->super->s_inodes_per_group *
                                   EXT2_INODE_SIZE(fs->super)) +
                                  EXT2_BLOCK_SIZE(fs->super) - 1) /
                                 EXT2_BLOCK_SIZE(fs->super);
-       group_desc_blocks = ((fs->super->s_blocks_count -
-                             fs->super->s_first_data_block +
-                             EXT2_BLOCKS_PER_GROUP(fs->super) - 1) /
-                            EXT2_BLOCKS_PER_GROUP(fs->super) +
-                            EXT2_DESC_PER_BLOCK(fs->super) - 1) /
-                           EXT2_DESC_PER_BLOCK(fs->super);
-
-       printf ("\n");
-       group_blk = fs->super->s_first_data_block;
+       reserved_gdt = fs->super->s_reserved_gdt_blocks;
+       fputc('\n', stdout);
+       first_block = fs->super->s_first_data_block;
+       if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
+               old_desc_blocks = fs->super->s_first_meta_bg;
+       else
+               old_desc_blocks = fs->desc_blocks;
        for (i = 0; i < fs->group_desc_count; i++) {
-               next_blk = group_blk + fs->super->s_blocks_per_group;
-               if (next_blk > fs->super->s_blocks_count)
-                       next_blk = fs->super->s_blocks_count;
-               printf (opt_hex ? _("Group %lu: (Blocks %04x -- %04x)\n"):
-                        _("Group %lu: (Blocks %u -- %u)\n"), i,
-                       group_blk, next_blk -1 );
-               if (ext2fs_bg_has_super (fs, i))
-                       printf (opt_hex ? _("  %s Superblock at 0x%04x,"
-                               "  Group Descriptors at 0x%04x-0x%04x\n"):
-                               _("  %s Superblock at %u,"
-                               "  Group Descriptors at %u-%u\n"),
-                               i == 0 ? _("Primary") : _("Backup"),
-                               group_blk, group_blk + 1,
-                               group_blk + group_desc_blocks);
-               printf (opt_hex ? _("  Block bitmap at %04x (+%d), "
-                       "Inode bitmap at %04x (+%d)\n  "
-                       "Inode table at %04x-%04x (+%d)\n"):
-                       _("  Block bitmap at %u (+%d), "
-                       "Inode bitmap at %u (+%d)\n  "
-                       "Inode table at %u-%u (+%d)\n"),
-                       fs->group_desc[i].bg_block_bitmap,
-                       fs->group_desc[i].bg_block_bitmap - group_blk,
-                       fs->group_desc[i].bg_inode_bitmap,
-                       fs->group_desc[i].bg_inode_bitmap - group_blk,
-                       fs->group_desc[i].bg_inode_table,
-                       fs->group_desc[i].bg_inode_table +
-                               inode_blocks_per_group,
-                       fs->group_desc[i].bg_inode_table - group_blk);
-               printf (_("  %d free blocks, %d free inodes, %d directories\n"),
-                       fs->group_desc[i].bg_free_blocks_count,
-                       fs->group_desc[i].bg_free_inodes_count,
-                       fs->group_desc[i].bg_used_dirs_count);
-               printf (_("  Free blocks: "));
-               print_free (i, block_bitmap, fs->super->s_blocks_per_group,
-                           fs->super->s_first_data_block);
-               block_bitmap += fs->super->s_blocks_per_group / 8;
-               printf ("\n");
-               printf (_("  Free inodes: "));
-               print_free (i, inode_bitmap, fs->super->s_inodes_per_group, 1);
-               inode_bitmap += fs->super->s_inodes_per_group / 8;
-               printf ("\n");
-               group_blk = next_blk;
+               first_block = ext2fs_group_first_block2(fs, i);
+               last_block = ext2fs_group_last_block2(fs, i);
+
+               ext2fs_super_and_bgd_loc2(fs, i, &super_blk,
+                                         &old_desc_blk, &new_desc_blk, 0);
+
+               printf (_("Group %lu: (Blocks "), i);
+               print_range(first_block, last_block);
+               fputs(")", stdout);
+               print_bg_opts(fs, i);
+               if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM)
+                       printf(_("  Checksum 0x%04x, unused inodes %u\n"),
+                              ext2fs_bg_checksum(fs, i),
+                              ext2fs_bg_itable_unused(fs, i));
+               has_super = ((i==0) || super_blk);
+               if (has_super) {
+                       printf (_("  %s superblock at "),
+                               i == 0 ? _("Primary") : _("Backup"));
+                       print_number(super_blk);
+               }
+               if (old_desc_blk) {
+                       printf(_(", Group descriptors at "));
+                       print_range(old_desc_blk,
+                                   old_desc_blk + old_desc_blocks - 1);
+                       if (reserved_gdt) {
+                               printf(_("\n  Reserved GDT blocks at "));
+                               print_range(old_desc_blk + old_desc_blocks,
+                                           old_desc_blk + old_desc_blocks +
+                                           reserved_gdt - 1);
+                       }
+               } else if (new_desc_blk) {
+                       fputc(has_super ? ',' : ' ', stdout);
+                       printf(_(" Group descriptor at "));
+                       print_number(new_desc_blk);
+                       has_super++;
+               }
+               if (has_super)
+                       fputc('\n', stdout);
+               fputs(_("  Block bitmap at "), stdout);
+               print_number(ext2fs_block_bitmap_loc(fs, i));
+               print_bg_rel_offset(fs, ext2fs_block_bitmap_loc(fs, i), 0,
+                                   first_block, last_block);
+               fputs(_(", Inode bitmap at "), stdout);
+               print_number(ext2fs_inode_bitmap_loc(fs, i));
+               print_bg_rel_offset(fs, ext2fs_inode_bitmap_loc(fs, i), 0,
+                                   first_block, last_block);
+               fputs(_("\n  Inode table at "), stdout);
+               print_range(ext2fs_inode_table_loc(fs, i),
+                           ext2fs_inode_table_loc(fs, i) +
+                           inode_blocks_per_group - 1);
+               print_bg_rel_offset(fs, ext2fs_inode_table_loc(fs, i), 1,
+                                   first_block, last_block);
+               printf (_("\n  %u free blocks, %u free inodes, "
+                         "%u directories%s"),
+                       ext2fs_bg_free_blocks_count(fs, i),
+                       ext2fs_bg_free_inodes_count(fs, i),
+                       ext2fs_bg_used_dirs_count(fs, i),
+                       ext2fs_bg_itable_unused(fs, i) ? "" : "\n");
+               if (ext2fs_bg_itable_unused(fs, i))
+                       printf (_(", %u unused inodes\n"),
+                               ext2fs_bg_itable_unused(fs, i));
+               if (block_bitmap) {
+                       fputs(_("  Free blocks: "), stdout);
+                       ext2fs_get_block_bitmap_range2(fs->block_map,
+                                blk_itr, block_nbytes << 3, block_bitmap);
+                       print_free (i, block_bitmap,
+                                   fs->super->s_blocks_per_group,
+                                   fs->super->s_first_data_block);
+                       fputc('\n', stdout);
+                       blk_itr += fs->super->s_blocks_per_group;
+               }
+               if (inode_bitmap) {
+                       fputs(_("  Free inodes: "), stdout);
+                       ext2fs_get_inode_bitmap_range2(fs->inode_map,
+                                ino_itr, inode_nbytes << 3, inode_bitmap);
+                       print_free (i, inode_bitmap,
+                                   fs->super->s_inodes_per_group, 1);
+                       fputc('\n', stdout);
+                       ino_itr += fs->super->s_inodes_per_group;
+               }
        }
+       if (block_bitmap)
+               free(block_bitmap);
+       if (inode_bitmap)
+               free(inode_bitmap);
 }
 
-static void list_bad_blocks(ext2_filsys fs)
+static void list_bad_blocks(ext2_filsys fs, int dump)
 {
        badblocks_list          bb_list = 0;
        badblocks_iterate       bb_iter;
        blk_t                   blk;
        errcode_t               retval;
+       const char              *header, *fmt;
 
        retval = ext2fs_read_bb_inode(fs, &bb_list);
        if (retval) {
-               com_err("ext2fs_read_bb_inode", retval, "");
-               exit(1);
+               com_err("ext2fs_read_bb_inode", retval, 0);
+               return;
        }
-       retval = badblocks_list_iterate_begin(bb_list, &bb_iter);
+       retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
        if (retval) {
-               com_err("badblocks_list_iterate_begin", retval,
+               com_err("ext2fs_badblocks_list_iterate_begin", retval,
                        _("while printing bad block list"));
-               exit(1);
+               return;
        }
-       if (badblocks_list_iterate(bb_iter, &blk))
-               printf(_("Bad blocks: %d"), blk);
-       while (badblocks_list_iterate(bb_iter, &blk))
-               printf(", %d", blk);
-       badblocks_list_iterate_end(bb_iter);
-       printf("\n");
+       if (dump) {
+               header = fmt = "%u\n";
+       } else {
+               header =  _("Bad blocks: %u");
+               fmt = ", %u";
+       }
+       while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) {
+               printf(header ? header : fmt, blk);
+               header = 0;
+       }
+       ext2fs_badblocks_list_iterate_end(bb_iter);
+       if (!dump)
+               fputc('\n', stdout);
+       ext2fs_badblocks_list_free(bb_list);
 }
 
-static void dump_bad_blocks(ext2_filsys fs)
+static void print_inline_journal_information(ext2_filsys fs)
 {
-       badblocks_list          bb_list = 0;
-       badblocks_iterate       bb_iter;
-       blk_t                   blk;
+       journal_superblock_t    *jsb;
+       struct ext2_inode       inode;
+       ext2_file_t             journal_file;
        errcode_t               retval;
+       ino_t                   ino = fs->super->s_journal_inum;
+       char                    buf[1024];
+       __u32                   *mask_ptr, mask, m;
+       int                     i, j, size, printed = 0;
 
-       retval = ext2fs_read_bb_inode(fs, &bb_list);
+       retval = ext2fs_read_inode(fs, ino,  &inode);
        if (retval) {
-               com_err("ext2fs_read_bb_inode", retval, "");
+               com_err(program_name, retval,
+                       _("while reading journal inode"));
                exit(1);
        }
-       retval = badblocks_list_iterate_begin(bb_list, &bb_iter);
+       retval = ext2fs_file_open2(fs, ino, &inode, 0, &journal_file);
        if (retval) {
-               com_err("badblocks_list_iterate_begin", retval,
-                       _("while printing bad block list"));
+               com_err(program_name, retval,
+                       _("while opening journal inode"));
                exit(1);
        }
-       while (badblocks_list_iterate(bb_iter, &blk))
-               printf("%d\n", blk);
-       badblocks_list_iterate_end(bb_iter);
-}
-
-static int i386_byteorder(void)
-{
-       int one = 1;
-       char *cp = (char *) &one;
-
-       return (*cp == 1);
+       retval = ext2fs_file_read(journal_file, buf, sizeof(buf), 0);
+       if (retval) {
+               com_err(program_name, retval,
+                       _("while reading journal super block"));
+               exit(1);
+       }
+       ext2fs_file_close(journal_file);
+       jsb = (journal_superblock_t *) buf;
+       if (be32_to_cpu(jsb->s_header.h_magic) != JFS_MAGIC_NUMBER) {
+               fprintf(stderr,
+                       "Journal superblock magic number invalid!\n");
+               exit(1);
+       }
+       printf(_("Journal features:        "));
+       for (i=0, mask_ptr=&jsb->s_feature_compat; i <3; i++,mask_ptr++) {
+               mask = be32_to_cpu(*mask_ptr);
+               for (j=0,m=1; j < 32; j++, m<<=1) {
+                       if (mask & m) {
+                               printf(" %s", e2p_jrnl_feature2string(i, m));
+                               printed++;
+                       }
+               }
+       }
+       if (printed == 0)
+               printf(" (none)");
+       printf("\n");
+       fputs(_("Journal size:             "), stdout);
+       if ((fs->super->s_feature_ro_compat &
+            EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
+           (inode.i_flags & EXT4_HUGE_FILE_FL))
+               size = inode.i_blocks / (fs->blocksize / 1024);
+       else
+               size = inode.i_blocks >> 1;
+       if (size < 8192)
+               printf("%uk\n", size);
+       else
+               printf("%uM\n", size >> 10);
+       printf(_("Journal length:           %u\n"
+                "Journal sequence:         0x%08x\n"
+                "Journal start:            %u\n"),
+              (unsigned int)ntohl(jsb->s_maxlen),
+              (unsigned int)ntohl(jsb->s_sequence),
+              (unsigned int)ntohl(jsb->s_start));
 }
 
 static void print_journal_information(ext2_filsys fs)
@@ -213,11 +368,11 @@ static void print_journal_information(ext2_filsys fs)
        errcode_t       retval;
        char            buf[1024];
        char            str[80];
-       int             i;
+       unsigned int    i;
        journal_superblock_t    *jsb;
 
        /* Get the journal superblock */
-       if ((retval = io_channel_read_blk(fs->io, 1, -1024, buf))) {
+       if ((retval = io_channel_read_blk64(fs->io, fs->super->s_first_data_block+1, -1024, buf))) {
                com_err(program_name, retval,
                        _("while reading journal superblock"));
                exit(1);
@@ -231,21 +386,99 @@ static void print_journal_information(ext2_filsys fs)
                exit(1);
        }
 
-       fputs("\n", stdout);
-       printf("Journal block size:       %d\n", ntohl(jsb->s_blocksize));
-       printf("Journal length:           %d\n", ntohl(jsb->s_maxlen));
-       printf("Journal first block:      %d\n", ntohl(jsb->s_first));
-       printf("Journal sequence:         0x%08x\n", ntohl(jsb->s_sequence));
-       printf("Journal start:            %d\n", ntohl(jsb->s_start));
-       printf("Journal number of users:  %d\n", ntohl(jsb->s_nr_users));
+       printf(_("\nJournal block size:       %u\n"
+                "Journal length:           %u\n"
+                "Journal first block:      %u\n"
+                "Journal sequence:         0x%08x\n"
+                "Journal start:            %u\n"
+                "Journal number of users:  %u\n"),
+              (unsigned int)ntohl(jsb->s_blocksize),  (unsigned int)ntohl(jsb->s_maxlen),
+              (unsigned int)ntohl(jsb->s_first), (unsigned int)ntohl(jsb->s_sequence),
+              (unsigned int)ntohl(jsb->s_start), (unsigned int)ntohl(jsb->s_nr_users));
+
        for (i=0; i < ntohl(jsb->s_nr_users); i++) {
-               if (i)
-                       printf("                          ");
-               else
-                       printf("Journal users:            ");
                uuid_unparse(&jsb->s_users[i*16], str);
-               printf("%s\n", str);
+               printf(i ? "                          %s\n"
+                      : _("Journal users:            %s\n"),
+                      str);
+       }
+}
+
+static void parse_extended_opts(const char *opts, blk64_t *superblock,
+                               int *blocksize)
+{
+       char    *buf, *token, *next, *p, *arg, *badopt = 0;
+       int     len;
+       int     do_usage = 0;
+
+       len = strlen(opts);
+       buf = malloc(len+1);
+       if (!buf) {
+               fprintf(stderr,
+                       _("Couldn't allocate memory to parse options!\n"));
+               exit(1);
+       }
+       strcpy(buf, opts);
+       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, "superblock") == 0 ||
+                   strcmp(token, "sb") == 0) {
+                       if (!arg) {
+                               do_usage++;
+                               badopt = token;
+                               continue;
+                       }
+                       *superblock = strtoul(arg, &p, 0);
+                       if (*p) {
+                               fprintf(stderr,
+                                       _("Invalid superblock parameter: %s\n"),
+                                       arg);
+                               do_usage++;
+                               continue;
+                       }
+               } else if (strcmp(token, "blocksize") == 0 ||
+                          strcmp(token, "bs") == 0) {
+                       if (!arg) {
+                               do_usage++;
+                               badopt = token;
+                               continue;
+                       }
+                       *blocksize = strtoul(arg, &p, 0);
+                       if (*p) {
+                               fprintf(stderr,
+                                       _("Invalid blocksize parameter: %s\n"),
+                                       arg);
+                               do_usage++;
+                               continue;
+                       }
+               } else {
+                       do_usage++;
+                       badopt = token;
+               }
+       }
+       if (do_usage) {
+               fprintf(stderr, _("\nBad extended option(s) specified: %s\n\n"
+                       "Extended options are separated by commas, "
+                       "and may take an argument which\n"
+                       "\tis set off by an equals ('=') sign.\n\n"
+                       "Valid extended options are:\n"
+                       "\tsuperblock=<superblock number>\n"
+                       "\tblocksize=<blocksize>\n"),
+                       badopt ? badopt : "");
+               free(buf);
+               exit(1);
        }
+       free(buf);
 }
 
 int main (int argc, char ** argv)
@@ -253,27 +486,27 @@ int main (int argc, char ** argv)
        errcode_t       retval;
        ext2_filsys     fs;
        int             print_badblocks = 0;
-       int             use_superblock = 0;
+       blk64_t         use_superblock = 0;
        int             use_blocksize = 0;
+       int             image_dump = 0;
        int             force = 0;
        int             flags;
        int             header_only = 0;
-       int             big_endian;
        int             c;
 
 #ifdef ENABLE_NLS
        setlocale(LC_MESSAGES, "");
+       setlocale(LC_CTYPE, "");
        bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
        textdomain(NLS_CAT_NAME);
 #endif
-       initialize_ext2_error_table();
-       fprintf (stderr, _("dumpe2fs %s, %s for EXT2 FS %s, %s\n"),
-                E2FSPROGS_VERSION, E2FSPROGS_DATE,
-                EXT2FS_VERSION, EXT2FS_DATE);
+       add_error_table(&et_ext2_error_table);
+       fprintf (stderr, "dumpe2fs %s (%s)\n", E2FSPROGS_VERSION,
+                E2FSPROGS_DATE);
        if (argc && *argv)
                program_name = *argv;
-       
-       while ((c = getopt (argc, argv, "bfhxVo:")) != EOF) {
+
+       while ((c = getopt (argc, argv, "bfhixVo:")) != EOF) {
                switch (c) {
                case 'b':
                        print_badblocks++;
@@ -284,13 +517,12 @@ int main (int argc, char ** argv)
                case 'h':
                        header_only++;
                        break;
+               case 'i':
+                       image_dump++;
+                       break;
                case 'o':
-                       if (optarg[0] == 'b')
-                               use_superblock = atoi(optarg+1);
-                       else if (optarg[0] == 'B')
-                               use_blocksize = atoi(optarg+1);
-                       else
-                               usage();
+                       parse_extended_opts(optarg, &use_superblock,
+                                           &use_blocksize);
                        break;
                case 'V':
                        /* Print version number and exit */
@@ -298,7 +530,7 @@ int main (int argc, char ** argv)
                                error_message(EXT2_ET_BASE));
                        exit(0);
                case 'x':
-                       opt_hex=1;
+                       hex_format++;
                        break;
                default:
                        usage();
@@ -307,13 +539,26 @@ int main (int argc, char ** argv)
        if (optind > argc - 1)
                usage();
        device_name = argv[optind++];
-       if (use_superblock && !use_blocksize)
-               use_blocksize = 1024;
-       flags = EXT2_FLAG_JOURNAL_DEV_OK;
+       flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
        if (force)
                flags |= EXT2_FLAG_FORCE;
-       retval = ext2fs_open (device_name, flags, use_superblock,
-                             use_blocksize, unix_io_manager, &fs);
+       if (image_dump)
+               flags |= EXT2_FLAG_IMAGE_FILE;
+
+       if (use_superblock && !use_blocksize) {
+               for (use_blocksize = EXT2_MIN_BLOCK_SIZE;
+                    use_blocksize <= EXT2_MAX_BLOCK_SIZE;
+                    use_blocksize *= 2) {
+                       retval = ext2fs_open (device_name, flags,
+                                             use_superblock,
+                                             use_blocksize, unix_io_manager,
+                                             &fs);
+                       if (!retval)
+                               break;
+               }
+       } else
+               retval = ext2fs_open (device_name, flags, use_superblock,
+                                     use_blocksize, unix_io_manager, &fs);
        if (retval) {
                com_err (program_name, retval, _("while trying to open %s"),
                         device_name);
@@ -321,13 +566,8 @@ int main (int argc, char ** argv)
                exit (1);
        }
        if (print_badblocks) {
-               dump_bad_blocks(fs);
+               list_bad_blocks(fs, 1);
        } else {
-               big_endian = ((fs->flags & EXT2_FLAG_SWAP_BYTES) != 0);
-               if (!i386_byteorder())
-                       big_endian = !big_endian;
-               if (big_endian)
-                       printf(_("Note: This is a byte-swapped filesystem\n"));
                list_super (fs->super);
                if (fs->super->s_feature_incompat &
                      EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
@@ -335,21 +575,24 @@ int main (int argc, char ** argv)
                        ext2fs_close(fs);
                        exit(0);
                }
-               list_bad_blocks (fs);
+               if ((fs->super->s_feature_compat &
+                    EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
+                   (fs->super->s_journal_inum != 0))
+                       print_inline_journal_information(fs);
+               list_bad_blocks(fs, 0);
                if (header_only) {
                        ext2fs_close (fs);
                        exit (0);
                }
                retval = ext2fs_read_bitmaps (fs);
+               list_desc (fs);
                if (retval) {
-                       com_err (program_name, retval,
-                                _("while trying to read the bitmaps"),
-                                device_name);
-                       ext2fs_close (fs);
-                       exit (1);
+                       printf(_("\n%s: %s: error reading bitmaps: %s\n"),
+                              program_name, device_name,
+                              error_message(retval));
                }
-               list_desc (fs);
        }
        ext2fs_close (fs);
+       remove_error_table(&et_ext2_error_table);
        exit (0);
 }