* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
- * This file can be redistributed under the terms of the GNU General
- * Public License
+ * Copyright 1995, 1996, 1997 by Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
/*
#ifdef HAVE_GETOPT_H
#include <getopt.h>
+#else
+extern char *optarg;
+extern int optind;
#endif
#include <fcntl.h>
#include <stdio.h>
#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"
-#define in_use(m, x) (test_bit ((x), (m)))
+#define in_use(m, x) (ext2fs_test_bit ((x), (m)))
const char * program_name = "dumpe2fs";
char * device_name = NULL;
+int hex_format = 0;
-static volatile void usage (void)
+static void usage(void)
{
- fprintf (stderr, "usage: %s device\n", program_name);
+ fprintf (stderr, _("Usage: %s [-bfhixV] [-ob superblock] "
+ "[-oB blocksize] 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 a, unsigned long b)
+{
+ if (hex_format)
+ printf("0x%04lx-0x%04lx", a, b);
+ else
+ printf("%lu-%lu", a, b);
+}
+
static void print_free (unsigned long group, char * bitmap,
unsigned long nbytes, unsigned long offset)
{
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 ("%lu", group * nbytes + i + offset);
- else
- {
- for (j = i; j < nbytes && !in_use (bitmap, j);
- j++)
- ;
- printf ("%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;
+
+ if (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_LAZY_BG)
+ bg_flags = fs->group_desc[i].bg_flags;
+ else
+ bg_flags = 0;
+
+ print_bg_opt(bg_flags, EXT2_BG_INODE_UNINIT, "Inode not init",
+ &first);
+ print_bg_opt(bg_flags, EXT2_BG_BLOCK_UNINIT, "Block not init",
+ &first);
+ if (!first)
+ fputc(']', stdout);
+ fputc('\n', stdout);
+}
+
static void list_desc (ext2_filsys fs)
{
unsigned long i;
- char * block_bitmap = fs->block_map->bitmap;
- char * inode_bitmap = fs->inode_map->bitmap;
-
- printf ("\n");
- for (i = 0; i < fs->group_desc_count; i++)
- {
- printf ("Group %lu:\n", i);
- printf (" Block bitmap at %u, Inode bitmap at %u, "
- "Inode table at %u\n",
- fs->group_desc[i].bg_block_bitmap,
- fs->group_desc[i].bg_inode_bitmap,
- fs->group_desc[i].bg_inode_table);
- printf (" %d free blocks, %d free inodes, %d directories\n",
+ long diff;
+ blk_t first_block, last_block;
+ 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);
+ 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++) {
+ first_block = ext2fs_group_first_block(fs, i);
+ last_block = ext2fs_group_last_block(fs, i);
+
+ ext2fs_super_and_bgd_loc(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);
+ 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(fs->group_desc[i].bg_block_bitmap);
+ diff = fs->group_desc[i].bg_block_bitmap - first_block;
+ if (diff >= 0)
+ printf(" (+%ld)", diff);
+ fputs(_(", Inode bitmap at "), stdout);
+ print_number(fs->group_desc[i].bg_inode_bitmap);
+ diff = fs->group_desc[i].bg_inode_bitmap - first_block;
+ if (diff >= 0)
+ printf(" (+%ld)", diff);
+ fputs(_("\n Inode table at "), stdout);
+ print_range(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 - first_block;
+ if (diff > 0)
+ printf(" (+%ld)", diff);
+ printf (_("\n %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");
+ 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;
+ }
}
}
-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,
- "while printing bad block list");
- exit(1);
+ com_err("ext2fs_badblocks_list_iterate_begin", retval,
+ _("while printing bad block list"));
+ return;
+ }
+ if (dump) {
+ header = fmt = "%u\n";
+ } else {
+ header = _("Bad blocks: %u");
+ fmt = ", %u";
}
- 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");
+ 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);
}
-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;
+ struct ext2_inode inode;
errcode_t retval;
-
- retval = ext2fs_read_bb_inode(fs, &bb_list);
+ ino_t ino = fs->super->s_journal_inum;
+ int size;
+
+ 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);
- if (retval) {
- com_err("badblocks_list_iterate_begin", retval,
- "while printing bad block list");
+ fputs(_("Journal size: "), stdout);
+ size = inode.i_blocks >> 1;
+ if (size < 8192)
+ printf("%uk\n", size);
+ else
+ printf("%uM\n", size >> 10);
+}
+
+static void print_journal_information(ext2_filsys fs)
+{
+ errcode_t retval;
+ char buf[1024];
+ char str[80];
+ unsigned int i;
+ journal_superblock_t *jsb;
+
+ /* Get the journal superblock */
+ if ((retval = io_channel_read_blk(fs->io, fs->super->s_first_data_block+1, -1024, buf))) {
+ com_err(program_name, retval,
+ _("while reading journal superblock"));
+ exit(1);
+ }
+ jsb = (journal_superblock_t *) buf;
+ if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) ||
+ (jsb->s_header.h_blocktype !=
+ (unsigned) ntohl(JFS_SUPERBLOCK_V2))) {
+ com_err(program_name, 0,
+ _("Couldn't find journal superblock magic numbers"));
exit(1);
}
- while (badblocks_list_iterate(bb_iter, &blk))
- printf("%d\n", blk);
- badblocks_list_iterate_end(bb_iter);
-}
+ 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));
-void main (int argc, char ** argv)
+ for (i=0; i < ntohl(jsb->s_nr_users); i++) {
+ uuid_unparse(&jsb->s_users[i*16], str);
+ printf(i ? " %s\n"
+ : _("Journal users: %s\n"),
+ str);
+ }
+}
+
+int main (int argc, char ** argv)
{
errcode_t retval;
ext2_filsys fs;
int print_badblocks = 0;
- char c;
+ int 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;
- fprintf (stderr, "dumpe2fs %s, %s for EXT2 FS %s, %s\n",
- E2FSPROGS_VERSION, E2FSPROGS_DATE,
- EXT2FS_VERSION, EXT2FS_DATE);
+#ifdef ENABLE_NLS
+ setlocale(LC_MESSAGES, "");
+ setlocale(LC_CTYPE, "");
+ bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
+ textdomain(NLS_CAT_NAME);
+#endif
+ 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, "b")) != EOF) {
+ while ((c = getopt (argc, argv, "bfhixVo:")) != EOF) {
switch (c) {
case 'b':
print_badblocks++;
break;
+ case 'f':
+ force++;
+ break;
+ 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();
+ break;
+ case 'V':
+ /* Print version number and exit */
+ fprintf(stderr, _("\tUsing %s\n"),
+ error_message(EXT2_ET_BASE));
+ exit(0);
+ case 'x':
+ hex_format++;
+ break;
default:
- usage ();
+ usage();
}
}
if (optind > argc - 1)
- usage ();
+ usage();
device_name = argv[optind++];
- initialize_ext2_error_table();
- retval = ext2fs_open (device_name, 0, 0, 0, unix_io_manager, &fs);
+ if (use_superblock && !use_blocksize)
+ use_blocksize = 1024;
+ flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES;
+ if (force)
+ flags |= EXT2_FLAG_FORCE;
+ if (image_dump)
+ flags |= EXT2_FLAG_IMAGE_FILE;
+
+ 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",
+ com_err (program_name, retval, _("while trying to open %s"),
device_name);
- printf ("Couldn't find valid filesystem superblock.\n");
+ printf (_("Couldn't find valid filesystem superblock.\n"));
exit (1);
}
if (print_badblocks) {
- dump_bad_blocks(fs);
+ list_bad_blocks(fs, 1);
} else {
- retval = ext2fs_read_bitmaps (fs);
- if (retval) {
- com_err (program_name, retval,
- "while trying to read the bitmaps",
- device_name);
+ big_endian = ((fs->flags & EXT2_FLAG_SWAP_BYTES) != 0);
+#ifdef WORDS_BIGENDIAN
+ big_endian = !big_endian;
+#endif
+ 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) {
+ print_journal_information(fs);
+ ext2fs_close(fs);
+ exit(0);
+ }
+ if (fs->super->s_feature_compat &
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL)
+ print_inline_journal_information(fs);
+ list_bad_blocks(fs, 0);
+ if (header_only) {
ext2fs_close (fs);
- exit (1);
+ exit (0);
}
- list_super (fs->super);
- list_bad_blocks (fs);
+ retval = ext2fs_read_bitmaps (fs);
list_desc (fs);
+ if (retval) {
+ printf(_("\n%s: %s: error reading bitmaps: %s\n"),
+ program_name, device_name,
+ error_message(retval));
+ }
}
ext2fs_close (fs);
+ remove_error_table(&et_ext2_error_table);
exit (0);
}