[thirdparty/e2fsprogs.git] / misc / dumpe2fs.c

/*
 * dumpe2fs.c		- List the control structures of a second
 *			  extended filesystem
 *
 * Copyright (C) 1992, 1993, 1994  Remy Card <card@masi.ibp.fr>
 *                                 Laboratoire MASI, Institut Blaise Pascal
 *                                 Universite Pierre et Marie Curie (Paris VI)
 *
 * 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%
 */

/*
 * History:
 * 94/01/09	- Creation
 * 94/02/27	- Ported to use the ext2fs library
 */

#include "config.h"
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#else
extern char *optarg;
extern int optind;
#endif
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.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)	(ext2fs_test_bit ((x), (m)))

const char * program_name = "dumpe2fs";
char * device_name = NULL;
int hex_format = 0;
int blocks64 = 0;

static void usage(void)
{
	fprintf (stderr, _("Usage: %s [-bfhixV] [-o superblock=<num>] "
		 "[-o blocksize=<num>] device\n"), program_name);
	exit (1);
}

static void print_number(unsigned long long num)
{
	if (hex_format) {
		if (blocks64)
			printf("0x%08llx", num);
		else
			printf("0x%04llx", num);
	} else
		printf("%llu", num);
}

static void print_range(unsigned long long a, unsigned long long b)
{
	if (hex_format) {
		if (blocks64)
			printf("0x%08llx-0x%08llx", a, b);
		else
			printf("0x%04llx-0x%04llx", a, b);
	} else
		printf("%llu-%llu", a, b);
}

static void print_free(unsigned long group, char * bitmap,
		       unsigned long num, unsigned long offset, int ratio)
{
	int p = 0;
	unsigned long i;
	unsigned long j;

	offset /= ratio;
	offset += group * num;
	for (i = 0; i < num; i++)
		if (!in_use (bitmap, i))
		{
			if (p)
				printf (", ");
			print_number((i + offset) * ratio);
			for (j = i; j < num && !in_use (bitmap, j); j++)
				;
			if (--j != i) {
				fputc('-', stdout);
				print_number((j + offset) * ratio);
				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_blk2(fs, block);
		printf(" (bg #%u + %u)", flex_grp,
		       (unsigned)(block-ext2fs_group_first_block2(fs,flex_grp)));
	}
}

static void list_desc (ext2_filsys fs)
{
	unsigned long i;
	blk64_t	first_block, last_block;
	blk64_t	super_blk, old_desc_blk, new_desc_blk;
	char *block_bitmap=NULL, *inode_bitmap=NULL;
	const char *units = _("blocks");
	int inode_blocks_per_group, old_desc_blocks, reserved_gdt;
	int		block_nbytes, inode_nbytes;
	int has_super;
	blk64_t		blk_itr = EXT2FS_B2C(fs, fs->super->s_first_data_block);
	ext2_ino_t	ino_itr = 1;
	errcode_t	retval;

	if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
				       EXT4_FEATURE_RO_COMPAT_BIGALLOC))
		units = _("clusters");

	block_nbytes = EXT2_CLUSTERS_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);
	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_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) {
			unsigned csum = ext2fs_bg_checksum(fs, i);
			unsigned exp_csum = ext2fs_group_desc_csum(fs, i);

			printf(_("  Checksum 0x%04x"), csum);
			if (csum != exp_csum)
				printf(_(" (EXPECTED 0x%04x)"), exp_csum);
			printf(_(", unused inodes %u\n"),
			       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("%s", _(", Group descriptors at "));
			print_range(old_desc_blk,
				    old_desc_blk + old_desc_blocks - 1);
			if (reserved_gdt) {
				printf("%s", _("\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("%s", _(" 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 %s, %u free inodes, "
			  "%u directories%s"),
			ext2fs_bg_free_blocks_count(fs, i), units,
			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);
			retval = ext2fs_get_block_bitmap_range2(fs->block_map,
				 blk_itr, block_nbytes << 3, block_bitmap);
			if (retval)
				com_err("list_desc", retval,
					"while reading block bitmap");
			else
				print_free(i, block_bitmap,
					   fs->super->s_clusters_per_group,
					   fs->super->s_first_data_block,
					   EXT2FS_CLUSTER_RATIO(fs));
			fputc('\n', stdout);
			blk_itr += fs->super->s_clusters_per_group;
		}
		if (inode_bitmap) {
			fputs(_("  Free inodes: "), stdout);
			retval = ext2fs_get_inode_bitmap_range2(fs->inode_map,
				 ino_itr, inode_nbytes << 3, inode_bitmap);
			if (retval)
				com_err("list_desc", retval,
					"while reading inode bitmap");
			else
				print_free(i, inode_bitmap,
					   fs->super->s_inodes_per_group,
					   1, 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, 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, 0);
		return;
	}
	retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
	if (retval) {
		com_err("ext2fs_badblocks_list_iterate_begin", retval,
			"%s", _("while printing bad block list"));
		return;
	}
	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 print_inline_journal_information(ext2_filsys fs)
{
	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_inode(fs, ino,  &inode);
	if (retval) {
		com_err(program_name, retval, "%s",
			_("while reading journal inode"));
		exit(1);
	}
	retval = ext2fs_file_open2(fs, ino, &inode, 0, &journal_file);
	if (retval) {
		com_err(program_name, retval, "%s",
			_("while opening journal inode"));
		exit(1);
	}
	retval = ext2fs_file_read(journal_file, buf, sizeof(buf), 0);
	if (retval) {
		com_err(program_name, retval, "%s",
			_("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, "%s",
			_("Journal superblock magic number invalid!\n"));
		exit(1);
	}
	printf("%s", _("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));
	if (jsb->s_errno != 0)
		printf(_("Journal errno:            %d\n"),
		       (int) ntohl(jsb->s_errno));
}

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_blk64(fs->io,
					    fs->super->s_first_data_block + 1,
					    -1024, buf))) {
		com_err(program_name, retval, "%s",
			_("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, "%s",
			_("Couldn't find journal superblock magic numbers"));
		exit(1);
	}

	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++) {
		uuid_unparse(&jsb->s_users[i*16], 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, "%s",
			_("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)
{
	errcode_t	retval;
	ext2_filsys	fs;
	int		print_badblocks = 0;
	blk64_t		use_superblock = 0;
	int		use_blocksize = 0;
	int		image_dump = 0;
	int		force = 0;
	int		flags;
	int		header_only = 0;
	int		c;

#ifdef ENABLE_NLS
	setlocale(LC_MESSAGES, "");
	setlocale(LC_CTYPE, "");
	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
	textdomain(NLS_CAT_NAME);
	set_com_err_gettext(gettext);
#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, "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':
			parse_extended_opts(optarg, &use_superblock,
					    &use_blocksize);
			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();
		}
	}
	if (optind > argc - 1)
		usage();
	device_name = argv[optind++];
	flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
	if (force)
		flags |= EXT2_FLAG_FORCE;
	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);
		printf("%s", _("Couldn't find valid filesystem superblock.\n"));
		exit (1);
	}
	fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
	if (fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT)
		blocks64 = 1;
	if (print_badblocks) {
		list_bad_blocks(fs, 1);
	} else {
		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) &&
		    (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) {
			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);
}
Commit	Line	Data
3839e657 TT	1	/*
	2	* dumpe2fs.c - List the control structures of a second
	3	* extended filesystem
	4	*
	5	* Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
	6	* Laboratoire MASI, Institut Blaise Pascal
	7	* Universite Pierre et Marie Curie (Paris VI)
	8	*
19c78dc0 TT	9	* Copyright 1995, 1996, 1997 by Theodore Ts'o.
	10	*
	11	* %Begin-Header%
	12	* This file may be redistributed under the terms of the GNU Public
	13	* License.
	14	* %End-Header%
3839e657 TT	15	*/
	16
	17	/*
	18	* History:
	19	* 94/01/09 - Creation
	20	* 94/02/27 - Ported to use the ext2fs library
	21	*/
	22
d1154eb4	23	#include "config.h"
a418d3ad	24	#ifdef HAVE_GETOPT_H
3839e657	25	#include <getopt.h>
373b8337 TT	26	#else
	27	extern char *optarg;
	28	extern int optind;
a418d3ad	29	#endif
3839e657 TT	30	#include <fcntl.h>
	31	#include <stdio.h>
	32	#include <stdlib.h>
	33	#include <string.h>
	34	#include <unistd.h>
	35
54c637d4	36	#include "ext2fs/ext2_fs.h"
3839e657 TT	37
	38	#include "ext2fs/ext2fs.h"
	39	#include "e2p/e2p.h"
16ed5b3a	40	#include "jfs_user.h"
4ea7bd04	41	#include <uuid/uuid.h>
3839e657 TT	42
3839e657 TT	43	#include "../version.h"
d9c56d3c	44	#include "nls-enable.h"
3839e657	45
74becf3c	46	#define in_use(m, x) (ext2fs_test_bit ((x), (m)))
3839e657 TT	47
	48	const char * program_name = "dumpe2fs";
	49	char * device_name = NULL;
9b9a780f	50	int hex_format = 0;
ce10c313	51	int blocks64 = 0;
3839e657	52
818180cd	53	static void usage(void)
3839e657	54	{
77f464fb TT	55	fprintf (stderr, _("Usage: %s [-bfhixV] [-o superblock=<num>] "
77f464fb TT	56	"[-o blocksize=<num>] device\n"), program_name);
3839e657 TT	57	exit (1);
	58	}
	59
ce10c313	60	static void print_number(unsigned long long num)
54434927	61	{
ce10c313 TT	62	if (hex_format) {
	63	if (blocks64)
	64	printf("0x%08llx", num);
	65	else
	66	printf("0x%04llx", num);
	67	} else
	68	printf("%llu", num);
9b9a780f TT	69	}
9b9a780f TT	70
295c3e03	71	static void print_range(unsigned long long a, unsigned long long b)
9b9a780f	72	{
ce10c313 TT	73	if (hex_format) {
	74	if (blocks64)
	75	printf("0x%08llx-0x%08llx", a, b);
	76	else
	77	printf("0x%04llx-0x%04llx", a, b);
	78	} else
295c3e03	79	printf("%llu-%llu", a, b);
54434927 TT	80	}
54434927 TT	81
bcb942c2 TT	82	static void print_free(unsigned long group, char * bitmap,
bcb942c2 TT	83	unsigned long num, unsigned long offset, int ratio)
3839e657 TT	84	{
	85	int p = 0;
	86	unsigned long i;
	87	unsigned long j;
	88
bcb942c2 TT	89	offset /= ratio;
	90	offset += group * num;
	91	for (i = 0; i < num; i++)
3839e657 TT	92	if (!in_use (bitmap, i))
	93	{
	94	if (p)
	95	printf (", ");
bcb942c2 TT	96	print_number((i + offset) * ratio);
bcb942c2 TT	97	for (j = i; j < num && !in_use (bitmap, j); j++)
a5f0bb9d TT	98	;
	99	if (--j != i) {
	100	fputc('-', stdout);
bcb942c2	101	print_number((j + offset) * ratio);
a5f0bb9d	102	i = j;
3839e657 TT	103	}
	104	p = 1;
	105	}
	106	}
	107
f5fa2007 TT	108	static void print_bg_opt(int bg_flags, int mask,
	109	const char str, int first)
	110	{
	111	if (bg_flags & mask) {
	112	if (*first) {
	113	fputs(" [", stdout);
	114	*first = 0;
	115	} else
	116	fputs(", ", stdout);
	117	fputs(str, stdout);
	118	}
	119	}
	120	static void print_bg_opts(ext2_filsys fs, dgrp_t i)
	121	{
16b851cd	122	int first = 1, bg_flags = 0;
f5fa2007	123
16b851cd	124	if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM)
732c8cd5	125	bg_flags = ext2fs_bg_flags(fs, i);
f5fa2007	126
b89fc30d	127	print_bg_opt(bg_flags, EXT2_BG_INODE_UNINIT, "INODE_UNINIT",
f5fa2007	128	&first);
b89fc30d TT	129	print_bg_opt(bg_flags, EXT2_BG_BLOCK_UNINIT, "BLOCK_UNINIT",
	130	&first);
	131	print_bg_opt(bg_flags, EXT2_BG_INODE_ZEROED, "ITABLE_ZEROED",
f5fa2007 TT	132	&first);
	133	if (!first)
	134	fputc(']', stdout);
	135	fputc('\n', stdout);
	136	}
	137
0e2afdba AD	138	static void print_bg_rel_offset(ext2_filsys fs, blk64_t block, int itable,
	139	blk64_t first_block, blk64_t last_block)
	140	{
	141	if ((block >= first_block) && (block <= last_block)) {
	142	if (itable && block == first_block)
	143	return;
	144	printf(" (+%u)", (unsigned)(block - first_block));
	145	} else if (fs->super->s_feature_incompat &
	146	EXT4_FEATURE_INCOMPAT_FLEX_BG) {
4dbfd79d	147	dgrp_t flex_grp = ext2fs_group_of_blk2(fs, block);
0e2afdba	148	printf(" (bg #%u + %u)", flex_grp,
26da6614	149	(unsigned)(block-ext2fs_group_first_block2(fs,flex_grp)));
0e2afdba AD	150	}
	151	}
	152
3839e657 TT	153	static void list_desc (ext2_filsys fs)
	154	{
	155	unsigned long i;
295c3e03 TT	156	blk64_t first_block, last_block;
295c3e03 TT	157	blk64_t super_blk, old_desc_blk, new_desc_blk;
d90a23e2	158	char block_bitmap=NULL, inode_bitmap=NULL;
2418dfd7	159	const char *units = _("blocks");
35238dd1	160	int inode_blocks_per_group, old_desc_blocks, reserved_gdt;
f1f115a7	161	int block_nbytes, inode_nbytes;
ef344e13	162	int has_super;
6a6337c3	163	blk64_t blk_itr = EXT2FS_B2C(fs, fs->super->s_first_data_block);
f1f115a7	164	ext2_ino_t ino_itr = 1;
6908c0c3	165	errcode_t retval;
f1f115a7	166
2418dfd7 TT	167	if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
	168	EXT4_FEATURE_RO_COMPAT_BIGALLOC))
	169	units = _("clusters");
	170
bcb942c2	171	block_nbytes = EXT2_CLUSTERS_PER_GROUP(fs->super) / 8;
f1f115a7	172	inode_nbytes = EXT2_INODES_PER_GROUP(fs->super) / 8;
80c22c90	173
d90a23e2	174	if (fs->block_map)
f1f115a7	175	block_bitmap = malloc(block_nbytes);
d90a23e2	176	if (fs->inode_map)
f1f115a7	177	inode_bitmap = malloc(inode_nbytes);
d90a23e2	178
80c22c90 TT	179	inode_blocks_per_group = ((fs->super->s_inodes_per_group *
	180	EXT2_INODE_SIZE(fs->super)) +
	181	EXT2_BLOCK_SIZE(fs->super) - 1) /
	182	EXT2_BLOCK_SIZE(fs->super);
35238dd1	183	reserved_gdt = fs->super->s_reserved_gdt_blocks;
a5f0bb9d	184	fputc('\n', stdout);
bb1a46a4	185	first_block = fs->super->s_first_data_block;
76dd5e5c TT	186	if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
	187	old_desc_blocks = fs->super->s_first_meta_bg;
	188	else
	189	old_desc_blocks = fs->desc_blocks;
521e3685	190	for (i = 0; i < fs->group_desc_count; i++) {
b49f78fe TT	191	first_block = ext2fs_group_first_block2(fs, i);
b49f78fe TT	192	last_block = ext2fs_group_last_block2(fs, i);
abf23439	193
295c3e03 TT	194	ext2fs_super_and_bgd_loc2(fs, i, &super_blk,
295c3e03 TT	195	&old_desc_blk, &new_desc_blk, 0);
bb1a46a4	196
a5f0bb9d	197	printf (_("Group %lu: (Blocks "), i);
bb1a46a4	198	print_range(first_block, last_block);
f5fa2007 TT	199	fputs(")", stdout);
f5fa2007 TT	200	print_bg_opts(fs, i);
87141781 TT	201	if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
	202	unsigned csum = ext2fs_bg_checksum(fs, i);
	203	unsigned exp_csum = ext2fs_group_desc_csum(fs, i);
	204
	205	printf(_(" Checksum 0x%04x"), csum);
	206	if (csum != exp_csum)
	207	printf(_(" (EXPECTED 0x%04x)"), exp_csum);
	208	printf(_(", unused inodes %u\n"),
d7cca6b0	209	ext2fs_bg_itable_unused(fs, i));
87141781	210	}
ef344e13	211	has_super = ((i==0) \|\| super_blk);
c046ac7f TT	212	if (has_super) {
c046ac7f TT	213	printf (_(" %s superblock at "),
a5f0bb9d	214	i == 0 ? _("Primary") : _("Backup"));
54434927	215	print_number(super_blk);
c046ac7f	216	}
ef344e13	217	if (old_desc_blk) {
45ff69ff	218	printf("%s", _(", Group descriptors at "));
efc6f628	219	print_range(old_desc_blk,
9b9a780f	220	old_desc_blk + old_desc_blocks - 1);
35238dd1	221	if (reserved_gdt) {
45ff69ff	222	printf("%s", _("\n Reserved GDT blocks at "));
9b9a780f	223	print_range(old_desc_blk + old_desc_blocks,
efc6f628	224	old_desc_blk + old_desc_blocks +
9b9a780f	225	reserved_gdt - 1);
35238dd1	226	}
ef344e13 TT	227	} else if (new_desc_blk) {
ef344e13 TT	228	fputc(has_super ? ',' : ' ', stdout);
45ff69ff	229	printf("%s", _(" Group descriptor at "));
54434927	230	print_number(new_desc_blk);
ef344e13	231	has_super++;
a5f0bb9d	232	}
ef344e13 TT	233	if (has_super)
ef344e13 TT	234	fputc('\n', stdout);
a5f0bb9d	235	fputs(_(" Block bitmap at "), stdout);
d7cca6b0	236	print_number(ext2fs_block_bitmap_loc(fs, i));
0358c9f9	237	print_bg_rel_offset(fs, ext2fs_block_bitmap_loc(fs, i), 0,
0e2afdba	238	first_block, last_block);
a5f0bb9d	239	fputs(_(", Inode bitmap at "), stdout);
d7cca6b0	240	print_number(ext2fs_inode_bitmap_loc(fs, i));
0358c9f9	241	print_bg_rel_offset(fs, ext2fs_inode_bitmap_loc(fs, i), 0,
0e2afdba	242	first_block, last_block);
a5f0bb9d	243	fputs(_("\n Inode table at "), stdout);
d7cca6b0 VAH	244	print_range(ext2fs_inode_table_loc(fs, i),
d7cca6b0 VAH	245	ext2fs_inode_table_loc(fs, i) +
9b9a780f	246	inode_blocks_per_group - 1);
0358c9f9	247	print_bg_rel_offset(fs, ext2fs_inode_table_loc(fs, i), 1,
0e2afdba	248	first_block, last_block);
2418dfd7	249	printf (_("\n %u free %s, %u free inodes, "
777a8c1b	250	"%u directories%s"),
2418dfd7	251	ext2fs_bg_free_blocks_count(fs, i), units,
d7cca6b0 VAH	252	ext2fs_bg_free_inodes_count(fs, i),
	253	ext2fs_bg_used_dirs_count(fs, i),
	254	ext2fs_bg_itable_unused(fs, i) ? "" : "\n");
	255	if (ext2fs_bg_itable_unused(fs, i))
777a8c1b	256	printf (_(", %u unused inodes\n"),
d7cca6b0	257	ext2fs_bg_itable_unused(fs, i));
d90a23e2 TT	258	if (block_bitmap) {
d90a23e2 TT	259	fputs(_(" Free blocks: "), stdout);
6908c0c3	260	retval = ext2fs_get_block_bitmap_range2(fs->block_map,
f1f115a7	261	blk_itr, block_nbytes << 3, block_bitmap);
6908c0c3 DW	262	if (retval)
	263	com_err("list_desc", retval,
	264	"while reading block bitmap");
	265	else
	266	print_free(i, block_bitmap,
	267	fs->super->s_clusters_per_group,
	268	fs->super->s_first_data_block,
	269	EXT2FS_CLUSTER_RATIO(fs));
d90a23e2	270	fputc('\n', stdout);
bcb942c2	271	blk_itr += fs->super->s_clusters_per_group;
d90a23e2 TT	272	}
	273	if (inode_bitmap) {
	274	fputs(_(" Free inodes: "), stdout);
6908c0c3	275	retval = ext2fs_get_inode_bitmap_range2(fs->inode_map,
f1f115a7	276	ino_itr, inode_nbytes << 3, inode_bitmap);
6908c0c3 DW	277	if (retval)
	278	com_err("list_desc", retval,
	279	"while reading inode bitmap");
	280	else
	281	print_free(i, inode_bitmap,
	282	fs->super->s_inodes_per_group,
	283	1, 1);
d90a23e2	284	fputc('\n', stdout);
f1f115a7	285	ino_itr += fs->super->s_inodes_per_group;
d90a23e2	286	}
3839e657	287	}
1acde2b2 TT	288	if (block_bitmap)
	289	free(block_bitmap);
	290	if (inode_bitmap)
	291	free(inode_bitmap);
3839e657 TT	292	}
3839e657 TT	293
0655b104	294	static void list_bad_blocks(ext2_filsys fs, int dump)
3839e657 TT	295	{
	296	badblocks_list bb_list = 0;
	297	badblocks_iterate bb_iter;
	298	blk_t blk;
	299	errcode_t retval;
0655b104	300	const char header, fmt;
3839e657 TT	301
	302	retval = ext2fs_read_bb_inode(fs, &bb_list);
	303	if (retval) {
9b9a780f	304	com_err("ext2fs_read_bb_inode", retval, 0);
0655b104	305	return;
3839e657	306	}
cbbf031b	307	retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
3839e657	308	if (retval) {
cbbf031b	309	com_err("ext2fs_badblocks_list_iterate_begin", retval,
45ff69ff	310	"%s", _("while printing bad block list"));
0655b104	311	return;
3839e657	312	}
0655b104	313	if (dump) {
d0ff90d5	314	header = fmt = "%u\n";
0655b104	315	} else {
d0ff90d5 ES	316	header = _("Bad blocks: %u");
d0ff90d5 ES	317	fmt = ", %u";
f3db3566	318	}
0655b104 TT	319	while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) {
	320	printf(header ? header : fmt, blk);
	321	header = 0;
f3db3566	322	}
cbbf031b	323	ext2fs_badblocks_list_iterate_end(bb_iter);
0655b104 TT	324	if (!dump)
0655b104 TT	325	fputc('\n', stdout);
1acde2b2	326	ext2fs_badblocks_list_free(bb_list);
1e3472c5	327	}
f3db3566	328
6515a6f1 TT	329	static void print_inline_journal_information(ext2_filsys fs)
6515a6f1 TT	330	{
1d9b8183	331	journal_superblock_t *jsb;
6515a6f1	332	struct ext2_inode inode;
1d9b8183	333	ext2_file_t journal_file;
6515a6f1 TT	334	errcode_t retval;
6515a6f1 TT	335	ino_t ino = fs->super->s_journal_inum;
1d9b8183 TT	336	char buf[1024];
	337	__u32 *mask_ptr, mask, m;
	338	int i, j, size, printed = 0;
efc6f628	339
6515a6f1 TT	340	retval = ext2fs_read_inode(fs, ino, &inode);
6515a6f1 TT	341	if (retval) {
45ff69ff	342	com_err(program_name, retval, "%s",
6515a6f1 TT	343	_("while reading journal inode"));
	344	exit(1);
	345	}
1d9b8183 TT	346	retval = ext2fs_file_open2(fs, ino, &inode, 0, &journal_file);
1d9b8183 TT	347	if (retval) {
45ff69ff	348	com_err(program_name, retval, "%s",
1d9b8183 TT	349	_("while opening journal inode"));
	350	exit(1);
	351	}
	352	retval = ext2fs_file_read(journal_file, buf, sizeof(buf), 0);
	353	if (retval) {
45ff69ff	354	com_err(program_name, retval, "%s",
1d9b8183 TT	355	_("while reading journal super block"));
	356	exit(1);
	357	}
	358	ext2fs_file_close(journal_file);
	359	jsb = (journal_superblock_t *) buf;
	360	if (be32_to_cpu(jsb->s_header.h_magic) != JFS_MAGIC_NUMBER) {
45ff69ff AD	361	fprintf(stderr, "%s",
45ff69ff AD	362	_("Journal superblock magic number invalid!\n"));
1d9b8183 TT	363	exit(1);
1d9b8183 TT	364	}
45ff69ff	365	printf("%s", _("Journal features: "));
1d9b8183 TT	366	for (i=0, mask_ptr=&jsb->s_feature_compat; i <3; i++,mask_ptr++) {
	367	mask = be32_to_cpu(*mask_ptr);
	368	for (j=0,m=1; j < 32; j++, m<<=1) {
	369	if (mask & m) {
	370	printf(" %s", e2p_jrnl_feature2string(i, m));
	371	printed++;
	372	}
	373	}
	374	}
	375	if (printed == 0)
	376	printf(" (none)");
	377	printf("\n");
6515a6f1	378	fputs(_("Journal size: "), stdout);
1ca1059f TT	379	if ((fs->super->s_feature_ro_compat &
	380	EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
	381	(inode.i_flags & EXT4_HUGE_FILE_FL))
	382	size = inode.i_blocks / (fs->blocksize / 1024);
	383	else
	384	size = inode.i_blocks >> 1;
6515a6f1 TT	385	if (size < 8192)
	386	printf("%uk\n", size);
	387	else
	388	printf("%uM\n", size >> 10);
1d9b8183 TT	389	printf(_("Journal length: %u\n"
	390	"Journal sequence: 0x%08x\n"
	391	"Journal start: %u\n"),
	392	(unsigned int)ntohl(jsb->s_maxlen),
	393	(unsigned int)ntohl(jsb->s_sequence),
	394	(unsigned int)ntohl(jsb->s_start));
9906409e TT	395	if (jsb->s_errno != 0)
	396	printf(_("Journal errno: %d\n"),
	397	(int) ntohl(jsb->s_errno));
6515a6f1 TT	398	}
6515a6f1 TT	399
16ed5b3a TT	400	static void print_journal_information(ext2_filsys fs)
	401	{
	402	errcode_t retval;
	403	char buf[1024];
	404	char str[80];
54434927	405	unsigned int i;
16ed5b3a TT	406	journal_superblock_t *jsb;
	407
	408	/* Get the journal superblock */
45ff69ff AD	409	if ((retval = io_channel_read_blk64(fs->io,
	410	fs->super->s_first_data_block + 1,
	411	-1024, buf))) {
	412	com_err(program_name, retval, "%s",
16ed5b3a TT	413	_("while reading journal superblock"));
	414	exit(1);
	415	}
	416	jsb = (journal_superblock_t *) buf;
	417	if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) \|\|
	418	(jsb->s_header.h_blocktype !=
	419	(unsigned) ntohl(JFS_SUPERBLOCK_V2))) {
45ff69ff	420	com_err(program_name, 0, "%s",
16ed5b3a TT	421	_("Couldn't find journal superblock magic numbers"));
	422	exit(1);
	423	}
	424
8deb80a5 TS	425	printf(_("\nJournal block size: %u\n"
	426	"Journal length: %u\n"
	427	"Journal first block: %u\n"
a5f0bb9d	428	"Journal sequence: 0x%08x\n"
8deb80a5	429	"Journal start: %u\n"
f6567a88 MA	430	"Journal number of users: %u\n"),
	431	(unsigned int)ntohl(jsb->s_blocksize), (unsigned int)ntohl(jsb->s_maxlen),
	432	(unsigned int)ntohl(jsb->s_first), (unsigned int)ntohl(jsb->s_sequence),
	433	(unsigned int)ntohl(jsb->s_start), (unsigned int)ntohl(jsb->s_nr_users));
a5f0bb9d	434
16ed5b3a	435	for (i=0; i < ntohl(jsb->s_nr_users); i++) {
16ed5b3a	436	uuid_unparse(&jsb->s_users[i*16], str);
a5f0bb9d	437	printf(i ? " %s\n"
bb145b01	438	: _("Journal users: %s\n"),
a5f0bb9d	439	str);
16ed5b3a TT	440	}
	441	}
	442
295c3e03	443	static void parse_extended_opts(const char opts, blk64_t superblock,
db197a81 TT	444	int *blocksize)
db197a81 TT	445	{
2d328bb7	446	char buf, token, next, p, arg, badopt = 0;
db197a81	447	int len;
2d328bb7	448	int do_usage = 0;
db197a81 TT	449
	450	len = strlen(opts);
	451	buf = malloc(len+1);
	452	if (!buf) {
45ff69ff	453	fprintf(stderr, "%s",
db197a81 TT	454	_("Couldn't allocate memory to parse options!\n"));
	455	exit(1);
	456	}
	457	strcpy(buf, opts);
	458	for (token = buf; token && *token; token = next) {
	459	p = strchr(token, ',');
	460	next = 0;
	461	if (p) {
	462	*p = 0;
	463	next = p+1;
	464	}
	465	arg = strchr(token, '=');
	466	if (arg) {
	467	*arg = 0;
	468	arg++;
	469	}
	470	if (strcmp(token, "superblock") == 0 \|\|
	471	strcmp(token, "sb") == 0) {
	472	if (!arg) {
2d328bb7	473	do_usage++;
db197a81 TT	474	badopt = token;
	475	continue;
	476	}
	477	*superblock = strtoul(arg, &p, 0);
	478	if (*p) {
	479	fprintf(stderr,
	480	_("Invalid superblock parameter: %s\n"),
	481	arg);
2d328bb7	482	do_usage++;
db197a81 TT	483	continue;
	484	}
	485	} else if (strcmp(token, "blocksize") == 0 \|\|
	486	strcmp(token, "bs") == 0) {
	487	if (!arg) {
2d328bb7	488	do_usage++;
db197a81 TT	489	badopt = token;
	490	continue;
	491	}
	492	*blocksize = strtoul(arg, &p, 0);
	493	if (*p) {
	494	fprintf(stderr,
	495	_("Invalid blocksize parameter: %s\n"),
	496	arg);
2d328bb7	497	do_usage++;
db197a81 TT	498	continue;
	499	}
	500	} else {
2d328bb7	501	do_usage++;
db197a81 TT	502	badopt = token;
	503	}
	504	}
2d328bb7	505	if (do_usage) {
db197a81 TT	506	fprintf(stderr, _("\nBad extended option(s) specified: %s\n\n"
	507	"Extended options are separated by commas, "
	508	"and may take an argument which\n"
	509	"\tis set off by an equals ('=') sign.\n\n"
	510	"Valid extended options are:\n"
	511	"\tsuperblock=<superblock number>\n"
	512	"\tblocksize=<blocksize>\n"),
2d328bb7	513	badopt ? badopt : "");
db197a81 TT	514	free(buf);
	515	exit(1);
	516	}
	517	free(buf);
efc6f628	518	}
db197a81	519
00e5433e	520	int main (int argc, char ** argv)
3839e657 TT	521	{
	522	errcode_t retval;
	523	ext2_filsys fs;
f3db3566	524	int print_badblocks = 0;
295c3e03	525	blk64_t use_superblock = 0;
02e7dd9a	526	int use_blocksize = 0;
348e43dc	527	int image_dump = 0;
2740156b	528	int force = 0;
16ed5b3a	529	int flags;
2740156b	530	int header_only = 0;
519149fb	531	int c;
3839e657	532
d9c56d3c TT	533	#ifdef ENABLE_NLS
d9c56d3c TT	534	setlocale(LC_MESSAGES, "");
14308a53	535	setlocale(LC_CTYPE, "");
d9c56d3c TT	536	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
d9c56d3c TT	537	textdomain(NLS_CAT_NAME);
9d4507c5	538	set_com_err_gettext(gettext);
d9c56d3c	539	#endif
a6d8302b	540	add_error_table(&et_ext2_error_table);
0f8973fb TT	541	fprintf (stderr, "dumpe2fs %s (%s)\n", E2FSPROGS_VERSION,
0f8973fb TT	542	E2FSPROGS_DATE);
3839e657 TT	543	if (argc && *argv)
3839e657 TT	544	program_name = *argv;
efc6f628	545
348e43dc	546	while ((c = getopt (argc, argv, "bfhixVo:")) != EOF) {
f3db3566 TT	547	switch (c) {
	548	case 'b':
	549	print_badblocks++;
	550	break;
2740156b TT	551	case 'f':
	552	force++;
	553	break;
	554	case 'h':
	555	header_only++;
	556	break;
348e43dc TT	557	case 'i':
	558	image_dump++;
	559	break;
02e7dd9a	560	case 'o':
efc6f628	561	parse_extended_opts(optarg, &use_superblock,
db197a81	562	&use_blocksize);
02e7dd9a	563	break;
5c576477 TT	564	case 'V':
5c576477 TT	565	/* Print version number and exit */
d9c56d3c	566	fprintf(stderr, _("\tUsing %s\n"),
5c576477 TT	567	error_message(EXT2_ET_BASE));
5c576477 TT	568	exit(0);
80c22c90	569	case 'x':
9b9a780f	570	hex_format++;
80c22c90	571	break;
f3db3566	572	default:
818180cd	573	usage();
f3db3566 TT	574	}
	575	}
	576	if (optind > argc - 1)
818180cd	577	usage();
f3db3566	578	device_name = argv[optind++];
295c3e03	579	flags = EXT2_FLAG_JOURNAL_DEV_OK \| EXT2_FLAG_SOFTSUPP_FEATURES \| EXT2_FLAG_64BITS;
16ed5b3a TT	580	if (force)
16ed5b3a TT	581	flags \|= EXT2_FLAG_FORCE;
348e43dc TT	582	if (image_dump)
348e43dc TT	583	flags \|= EXT2_FLAG_IMAGE_FILE;
efc6f628	584
db197a81 TT	585	if (use_superblock && !use_blocksize) {
	586	for (use_blocksize = EXT2_MIN_BLOCK_SIZE;
	587	use_blocksize <= EXT2_MAX_BLOCK_SIZE;
	588	use_blocksize *= 2) {
	589	retval = ext2fs_open (device_name, flags,
	590	use_superblock,
	591	use_blocksize, unix_io_manager,
	592	&fs);
	593	if (!retval)
	594	break;
	595	}
	596	} else
	597	retval = ext2fs_open (device_name, flags, use_superblock,
	598	use_blocksize, unix_io_manager, &fs);
f3db3566	599	if (retval) {
d9c56d3c	600	com_err (program_name, retval, _("while trying to open %s"),
3839e657	601	device_name);
45ff69ff	602	printf("%s", _("Couldn't find valid filesystem superblock.\n"));
3839e657 TT	603	exit (1);
3839e657 TT	604	}
24dea554	605	fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
ce10c313 TT	606	if (fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT)
ce10c313 TT	607	blocks64 = 1;
f3db3566	608	if (print_badblocks) {
0655b104	609	list_bad_blocks(fs, 1);
f3db3566	610	} else {
2740156b	611	list_super (fs->super);
16ed5b3a TT	612	if (fs->super->s_feature_incompat &
	613	EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
	614	print_journal_information(fs);
	615	ext2fs_close(fs);
	616	exit(0);
	617	}
a11d0746 TT	618	if ((fs->super->s_feature_compat &
	619	EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
	620	(fs->super->s_journal_inum != 0))
6515a6f1	621	print_inline_journal_information(fs);
0655b104	622	list_bad_blocks(fs, 0);
2740156b TT	623	if (header_only) {
	624	ext2fs_close (fs);
	625	exit (0);
	626	}
f3db3566	627	retval = ext2fs_read_bitmaps (fs);
d90a23e2	628	list_desc (fs);
f3db3566	629	if (retval) {
d90a23e2 TT	630	printf(_("\n%s: %s: error reading bitmaps: %s\n"),
	631	program_name, device_name,
	632	error_message(retval));
f3db3566	633	}
3839e657	634	}
3839e657	635	ext2fs_close (fs);
a6d8302b	636	remove_error_table(&et_ext2_error_table);
3839e657 TT	637	exit (0);
3839e657 TT	638	}