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dupfs.c (ext2fs_dup_handle): Make sure the new filesystem handle
[tools/e2fsprogs.git] / misc / dumpe2fs.c
index b86bf4e..73042fa 100644 (file)
@@ -47,6 +47,7 @@ extern int optind;
 const char * program_name = "dumpe2fs";
 char * device_name = NULL;
 const char *num_format = "%lu";
+char range_format[16];
 
 static void usage(void)
 {
@@ -55,6 +56,11 @@ static void usage(void)
        exit (1);
 }
 
+static void print_number (unsigned long num)
+{
+       printf(num_format, num);
+}
+
 static void print_free (unsigned long group, char * bitmap,
                        unsigned long nbytes, unsigned long offset)
 {
@@ -68,12 +74,12 @@ static void print_free (unsigned long group, char * bitmap,
                {
                        if (p)
                                printf (", ");
-                       printf (num_format, i + offset);
+                       print_number(i + offset);
                        for (j = i; j < nbytes && !in_use (bitmap, j); j++)
                                ;
                        if (--j != i) {
                                fputc('-', stdout);
-                               printf(num_format, j + offset);
+                               print_number(j + offset);
                                i = j;
                        }
                        p = 1;
@@ -85,124 +91,134 @@ static void list_desc (ext2_filsys fs)
        unsigned long i;
        long diff;
        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;
+       blk_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 has_super;
+
+       if (fs->block_map)
+               block_bitmap = fs->block_map->bitmap;
+       if (fs->inode_map)
+               inode_bitmap = fs->inode_map->bitmap;
 
        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);
-
+       reserved_gdt = fs->super->s_reserved_gdt_blocks;
        fputc('\n', stdout);
        group_blk = 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++) {
+               ext2fs_super_and_bgd_loc(fs, i, &super_blk, 
+                                        &old_desc_blk, &new_desc_blk, 0);
                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 (_("Group %lu: (Blocks "), i);
-               printf(num_format, group_blk);
-               fputc('-', stdout);
-               printf(num_format, next_blk - 1);
+               printf(range_format, group_blk, next_blk - 1);
                fputs(")\n", stdout);
-               if (ext2fs_bg_has_super (fs, i)) {
-                       printf (_("  %s Superblock at "),
+               has_super = ((i==0) || super_blk);
+               if (has_super) {
+                       printf (_("  %s superblock at "),
                                i == 0 ? _("Primary") : _("Backup"));
-                       printf(num_format, group_blk);
-                       printf(_(",  Group Descriptors at "));
-                       printf(num_format, group_blk+1);
-                       fputc('-', stdout);
-                       printf(num_format, group_blk + group_desc_blocks);
-                       fputc('\n', stdout);
+                       print_number(super_blk);
+               }
+               if (old_desc_blk) {
+                       printf(_(", Group descriptors at "));
+                       printf(range_format, old_desc_blk,
+                              old_desc_blk + old_desc_blocks - 1);
+                       if (reserved_gdt) {
+                               printf(_("\n  Reserved GDT blocks at "));
+                               printf(range_format, 
+                                      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);
-               printf(num_format, fs->group_desc[i].bg_block_bitmap);
+               print_number(fs->group_desc[i].bg_block_bitmap);
                diff = fs->group_desc[i].bg_block_bitmap - group_blk;
                if (diff >= 0)
                        printf(" (+%ld)", diff);
                fputs(_(", Inode bitmap at "), stdout);
-               printf(num_format, fs->group_desc[i].bg_inode_bitmap);
+               print_number(fs->group_desc[i].bg_inode_bitmap);
                diff = fs->group_desc[i].bg_inode_bitmap - group_blk;
                if (diff >= 0)
                        printf(" (+%ld)", diff);
                fputs(_("\n  Inode table at "), stdout);
-               printf(num_format, fs->group_desc[i].bg_inode_table);
-               fputc('-', stdout);
-               printf(num_format, fs->group_desc[i].bg_inode_table +
+               printf(range_format, fs->group_desc[i].bg_inode_table,
+                      fs->group_desc[i].bg_inode_table +
                       inode_blocks_per_group - 1);
                diff = fs->group_desc[i].bg_inode_table - group_blk;
                if (diff > 0)
                        printf(" (+%ld)", diff);
                printf (_("\n  %d free blocks, %d free inodes, "
-                         "%d directories\n  Free blocks: "),
+                         "%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);
-               print_free (i, block_bitmap, fs->super->s_blocks_per_group,
-                           fs->super->s_first_data_block);
-               fputs(_("\n  Free inodes: "), stdout);
-               print_free (i, inode_bitmap, fs->super->s_inodes_per_group, 1);
-               fputc('\n', stdout);
-               block_bitmap += fs->super->s_blocks_per_group / 8;
-               inode_bitmap += fs->super->s_inodes_per_group / 8;
+               if (block_bitmap) {
+                       fputs(_("  Free blocks: "), stdout);
+                       print_free (i, block_bitmap,
+                                   fs->super->s_blocks_per_group,
+                                   fs->super->s_first_data_block);
+                       fputc('\n', stdout);
+                       block_bitmap += fs->super->s_blocks_per_group / 8;
+               }
+               if (inode_bitmap) {
+                       fputs(_("  Free inodes: "), stdout);
+                       print_free (i, inode_bitmap,
+                                   fs->super->s_inodes_per_group, 1);
+                       fputc('\n', stdout);
+                       inode_bitmap += fs->super->s_inodes_per_group / 8;
+               }
                group_blk = next_blk;
        }
 }
 
-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);
+               return;
        }
        retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
        if (retval) {
                com_err("ext2fs_badblocks_list_iterate_begin", retval,
                        _("while printing bad block list"));
-               exit(1);
+               return;
        }
-       if (ext2fs_badblocks_list_iterate(bb_iter, &blk))
-               printf(_("Bad blocks: %d"), blk);
-       while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
-               printf(", %d", blk);
-       ext2fs_badblocks_list_iterate_end(bb_iter);
-       fputc('\n', stdout);
-}
-
-static void dump_bad_blocks(ext2_filsys fs)
-{
-       badblocks_list          bb_list = 0;
-       badblocks_iterate       bb_iter;
-       blk_t                   blk;
-       errcode_t               retval;
-
-       retval = ext2fs_read_bb_inode(fs, &bb_list);
-       if (retval) {
-               com_err("ext2fs_read_bb_inode", retval, "");
-               exit(1);
+       if (dump) {
+               header = fmt = "%d\n";
+       } else {
+               header =  _("Bad blocks: %d");
+               fmt = ", %d";
        }
-       retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
-       if (retval) {
-               com_err("ext2fs_badblocks_list_iterate_begin", retval,
-                       _("while printing bad block list"));
-               exit(1);
+       while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) {
+               printf(header ? header : fmt, blk);
+               header = 0;
        }
-       while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
-               printf("%d\n", blk);
        ext2fs_badblocks_list_iterate_end(bb_iter);
+       if (!dump)
+               fputc('\n', stdout);
 }
 
 static void print_journal_information(ext2_filsys fs)
@@ -210,7 +226,7 @@ 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 */
@@ -262,6 +278,7 @@ int main (int argc, char ** argv)
 
 #ifdef ENABLE_NLS
        setlocale(LC_MESSAGES, "");
+       setlocale(LC_CTYPE, "");
        bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
        textdomain(NLS_CAT_NAME);
 #endif
@@ -307,6 +324,7 @@ int main (int argc, char ** argv)
        }
        if (optind > argc - 1)
                usage();
+       sprintf(range_format, "%s-%s", num_format, num_format);
        device_name = argv[optind++];
        if (use_superblock && !use_blocksize)
                use_blocksize = 1024;
@@ -325,7 +343,7 @@ 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);
 #ifdef WORDS_BIGENDIAN
@@ -340,20 +358,18 @@ int main (int argc, char ** argv)
                        ext2fs_close(fs);
                        exit(0);
                }
-               list_bad_blocks (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);
        exit (0);