* 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 "ext2fs/ext2fs.h"
#include "e2p/e2p.h"
+#include "jfs_user.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 opt_hex = 0;
-static volatile void usage (void)
+static void usage(void)
{
- fprintf (stderr, "usage: %s device\n", program_name);
+ fprintf (stderr, _("Usage: %s [-bfhxV] [-ob superblock] "
+ "[-oB blocksize] device\n"), program_name);
exit (1);
}
if (p)
printf (", ");
if (i == nbytes - 1 || in_use (bitmap, i + 1))
- printf ("%lu", group * nbytes + i + offset);
+ printf (opt_hex ? "0x%04x" : "%lu",
+ group * nbytes + i + offset);
else
{
for (j = i; j < nbytes && !in_use (bitmap, j);
j++)
;
- printf ("%lu-%lu", group * nbytes + i + offset,
+ printf (opt_hex ? "0x%04lx-0x%04lx" :
+ "%lu-%lu", group * nbytes + i + offset,
group * nbytes + (j - 1) + offset);
i = j - 1;
}
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;
+
+ 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");
- 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",
+ group_blk = fs->super->s_first_data_block;
+ 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 0x%04x -- 0x%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 0x%04x (+%d), "
+ "Inode bitmap at 0x%04x (+%d)\n "
+ "Inode table at 0x%04x-0x%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_table);
- printf (" %d free blocks, %d free inodes, %d directories\n",
+ 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 - 1,
+ 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: ");
+ 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: ");
+ 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;
}
}
retval = badblocks_list_iterate_begin(bb_list, &bb_iter);
if (retval) {
com_err("badblocks_list_iterate_begin", retval,
- "while printing bad block list");
+ _("while printing bad block list"));
exit(1);
}
if (badblocks_list_iterate(bb_iter, &blk))
- printf("Bad blocks: %d", blk);
+ printf(_("Bad blocks: %d"), blk);
while (badblocks_list_iterate(bb_iter, &blk))
printf(", %d", blk);
badblocks_list_iterate_end(bb_iter);
retval = badblocks_list_iterate_begin(bb_list, &bb_iter);
if (retval) {
com_err("badblocks_list_iterate_begin", retval,
- "while printing bad block list");
+ _("while printing bad block list"));
exit(1);
}
while (badblocks_list_iterate(bb_iter, &blk))
badblocks_list_iterate_end(bb_iter);
}
+static int i386_byteorder(void)
+{
+ int one = 1;
+ char *cp = (char *) &one;
+
+ return (*cp == 1);
+}
+
+static void print_journal_information(ext2_filsys fs)
+{
+ errcode_t retval;
+ char buf[1024];
+ char str[80];
+ 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);
+ }
+
+ 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));
+ 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);
+ }
+}
-void main (int argc, char ** argv)
+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 force = 0;
+ int flags;
+ int header_only = 0;
+ int big_endian;
+ int c;
- fprintf (stderr, "dumpe2fs %s, %s for EXT2 FS %s, %s\n",
+#ifdef ENABLE_NLS
+ setlocale(LC_MESSAGES, "");
+ 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);
if (argc && *argv)
program_name = *argv;
- while ((c = getopt (argc, argv, "b")) != EOF) {
+ while ((c = getopt (argc, argv, "bfhxVo:")) != EOF) {
switch (c) {
case 'b':
print_badblocks++;
break;
+ case 'f':
+ force++;
+ break;
+ case 'h':
+ header_only++;
+ 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':
+ opt_hex=1;
+ 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;
+ if (force)
+ flags |= EXT2_FLAG_FORCE;
+ 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);
} 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) {
+ print_journal_information(fs);
+ ext2fs_close(fs);
+ exit(0);
+ }
+ list_bad_blocks (fs);
+ if (header_only) {
+ ext2fs_close (fs);
+ exit (0);
+ }
retval = ext2fs_read_bitmaps (fs);
if (retval) {
com_err (program_name, retval,
- "while trying to read the bitmaps",
+ _("while trying to read the bitmaps"),
device_name);
ext2fs_close (fs);
exit (1);
}
- list_super (fs->super);
- list_bad_blocks (fs);
list_desc (fs);
}
ext2fs_close (fs);