コード例 #1
0
static void dump_superblock(struct btrfs_super_block *sb, int full)
{
	int i;
	char *s, buf[BTRFS_UUID_UNPARSED_SIZE];
	u8 *p;

	printf("csum\t\t\t0x");
	for (i = 0, p = sb->csum; i < btrfs_super_csum_size(sb); i++)
		printf("%02x", p[i]);
	if (check_csum_sblock(sb, btrfs_super_csum_size(sb)))
		printf(" [match]");
	else
		printf(" [DON'T MATCH]");
	putchar('\n');

	printf("bytenr\t\t\t%llu\n",
		(unsigned long long)btrfs_super_bytenr(sb));
	printf("flags\t\t\t0x%llx\n",
		(unsigned long long)btrfs_super_flags(sb));
	print_readable_super_flag(btrfs_super_flags(sb));

	printf("magic\t\t\t");
	s = (char *) &sb->magic;
	for (i = 0; i < 8; i++)
		putchar(isprint(s[i]) ? s[i] : '.');
	if (btrfs_super_magic(sb) == BTRFS_MAGIC)
		printf(" [match]\n");
	else
		printf(" [DON'T MATCH]\n");

	uuid_unparse(sb->fsid, buf);
	printf("fsid\t\t\t%s\n", buf);

	printf("label\t\t\t");
	s = sb->label;
	for (i = 0; i < BTRFS_LABEL_SIZE && s[i]; i++)
		putchar(isprint(s[i]) ? s[i] : '.');
	putchar('\n');

	printf("generation\t\t%llu\n",
	       (unsigned long long)btrfs_super_generation(sb));
	printf("root\t\t\t%llu\n", (unsigned long long)btrfs_super_root(sb));
	printf("sys_array_size\t\t%llu\n",
	       (unsigned long long)btrfs_super_sys_array_size(sb));
	printf("chunk_root_generation\t%llu\n",
	       (unsigned long long)btrfs_super_chunk_root_generation(sb));
	printf("root_level\t\t%llu\n",
	       (unsigned long long)btrfs_super_root_level(sb));
	printf("chunk_root\t\t%llu\n",
	       (unsigned long long)btrfs_super_chunk_root(sb));
	printf("chunk_root_level\t%llu\n",
	       (unsigned long long)btrfs_super_chunk_root_level(sb));
	printf("log_root\t\t%llu\n",
	       (unsigned long long)btrfs_super_log_root(sb));
	printf("log_root_transid\t%llu\n",
	       (unsigned long long)btrfs_super_log_root_transid(sb));
	printf("log_root_level\t\t%llu\n",
	       (unsigned long long)btrfs_super_log_root_level(sb));
	printf("total_bytes\t\t%llu\n",
	       (unsigned long long)btrfs_super_total_bytes(sb));
	printf("bytes_used\t\t%llu\n",
	       (unsigned long long)btrfs_super_bytes_used(sb));
	printf("sectorsize\t\t%llu\n",
	       (unsigned long long)btrfs_super_sectorsize(sb));
	printf("nodesize\t\t%llu\n",
	       (unsigned long long)btrfs_super_nodesize(sb));
	printf("leafsize\t\t%llu\n",
	       (unsigned long long)btrfs_super_leafsize(sb));
	printf("stripesize\t\t%llu\n",
	       (unsigned long long)btrfs_super_stripesize(sb));
	printf("root_dir\t\t%llu\n",
	       (unsigned long long)btrfs_super_root_dir(sb));
	printf("num_devices\t\t%llu\n",
	       (unsigned long long)btrfs_super_num_devices(sb));
	printf("compat_flags\t\t0x%llx\n",
	       (unsigned long long)btrfs_super_compat_flags(sb));
	printf("compat_ro_flags\t\t0x%llx\n",
	       (unsigned long long)btrfs_super_compat_ro_flags(sb));
	printf("incompat_flags\t\t0x%llx\n",
	       (unsigned long long)btrfs_super_incompat_flags(sb));
	print_readable_incompat_flag(btrfs_super_incompat_flags(sb));
	printf("csum_type\t\t%llu\n",
	       (unsigned long long)btrfs_super_csum_type(sb));
	printf("csum_size\t\t%llu\n",
	       (unsigned long long)btrfs_super_csum_size(sb));
	printf("cache_generation\t%llu\n",
	       (unsigned long long)btrfs_super_cache_generation(sb));
	printf("uuid_tree_generation\t%llu\n",
	       (unsigned long long)btrfs_super_uuid_tree_generation(sb));

	uuid_unparse(sb->dev_item.uuid, buf);
	printf("dev_item.uuid\t\t%s\n", buf);

	uuid_unparse(sb->dev_item.fsid, buf);
	printf("dev_item.fsid\t\t%s %s\n", buf,
		!memcmp(sb->dev_item.fsid, sb->fsid, BTRFS_FSID_SIZE) ?
			"[match]" : "[DON'T MATCH]");

	printf("dev_item.type\t\t%llu\n", (unsigned long long)
	       btrfs_stack_device_type(&sb->dev_item));
	printf("dev_item.total_bytes\t%llu\n", (unsigned long long)
	       btrfs_stack_device_total_bytes(&sb->dev_item));
	printf("dev_item.bytes_used\t%llu\n", (unsigned long long)
	       btrfs_stack_device_bytes_used(&sb->dev_item));
	printf("dev_item.io_align\t%u\n", (unsigned int)
	       btrfs_stack_device_io_align(&sb->dev_item));
	printf("dev_item.io_width\t%u\n", (unsigned int)
	       btrfs_stack_device_io_width(&sb->dev_item));
	printf("dev_item.sector_size\t%u\n", (unsigned int)
	       btrfs_stack_device_sector_size(&sb->dev_item));
	printf("dev_item.devid\t\t%llu\n",
	       btrfs_stack_device_id(&sb->dev_item));
	printf("dev_item.dev_group\t%u\n", (unsigned int)
	       btrfs_stack_device_group(&sb->dev_item));
	printf("dev_item.seek_speed\t%u\n", (unsigned int)
	       btrfs_stack_device_seek_speed(&sb->dev_item));
	printf("dev_item.bandwidth\t%u\n", (unsigned int)
	       btrfs_stack_device_bandwidth(&sb->dev_item));
	printf("dev_item.generation\t%llu\n", (unsigned long long)
	       btrfs_stack_device_generation(&sb->dev_item));
	if (full) {
		printf("sys_chunk_array[%d]:\n", BTRFS_SYSTEM_CHUNK_ARRAY_SIZE);
		print_sys_chunk_array(sb);
		printf("backup_roots[%d]:\n", BTRFS_NUM_BACKUP_ROOTS);
		print_backup_roots(sb);
	}
}
コード例 #2
0
static void dump_superblock(struct btrfs_super_block *sb, int full)
{
	int i;
	char *s, buf[BTRFS_UUID_UNPARSED_SIZE];
	u8 *p;
	u32 csum_size;
	u16 csum_type;
	bool metadata_uuid_present = (btrfs_super_incompat_flags(sb) &
		BTRFS_FEATURE_INCOMPAT_METADATA_UUID);
	int cmp_res = 0;


	csum_type = btrfs_super_csum_type(sb);
	csum_size = BTRFS_CSUM_SIZE;
	printf("csum_type\t\t%hu (", csum_type);
	if (csum_type >= ARRAY_SIZE(btrfs_csum_sizes)) {
		printf("INVALID");
	} else {
		if (csum_type == BTRFS_CSUM_TYPE_CRC32) {
			printf("crc32c");
			csum_size = btrfs_csum_sizes[csum_type];
		} else {
			printf("unknown");
		}
	}
	printf(")\n");
	printf("csum_size\t\t%llu\n", (unsigned long long)csum_size);

	printf("csum\t\t\t0x");
	for (i = 0, p = sb->csum; i < csum_size; i++)
		printf("%02x", p[i]);
	if (csum_type != BTRFS_CSUM_TYPE_CRC32 ||
	    csum_size != btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32])
		printf(" [UNKNOWN CSUM TYPE OR SIZE]");
	else if (check_csum_sblock(sb, csum_size))
		printf(" [match]");
	else
		printf(" [DON'T MATCH]");
	putchar('\n');

	printf("bytenr\t\t\t%llu\n",
		(unsigned long long)btrfs_super_bytenr(sb));
	printf("flags\t\t\t0x%llx\n",
		(unsigned long long)btrfs_super_flags(sb));
	print_readable_super_flag(btrfs_super_flags(sb));

	printf("magic\t\t\t");
	s = (char *) &sb->magic;
	for (i = 0; i < 8; i++)
		putchar(isprint(s[i]) ? s[i] : '.');
	if (btrfs_super_magic(sb) == BTRFS_MAGIC)
		printf(" [match]\n");
	else
		printf(" [DON'T MATCH]\n");

	uuid_unparse(sb->fsid, buf);
	printf("fsid\t\t\t%s\n", buf);
	if (metadata_uuid_present) {
		uuid_unparse(sb->metadata_uuid, buf);
		printf("metadata_uuid\t\t%s\n", buf);
	} else {
		printf("metadata_uuid\t\t%s\n", buf);
	}

	printf("label\t\t\t");
	s = sb->label;
	for (i = 0; i < BTRFS_LABEL_SIZE && s[i]; i++)
		putchar(isprint(s[i]) ? s[i] : '.');
	putchar('\n');

	printf("generation\t\t%llu\n",
	       (unsigned long long)btrfs_super_generation(sb));
	printf("root\t\t\t%llu\n", (unsigned long long)btrfs_super_root(sb));
	printf("sys_array_size\t\t%llu\n",
	       (unsigned long long)btrfs_super_sys_array_size(sb));
	printf("chunk_root_generation\t%llu\n",
	       (unsigned long long)btrfs_super_chunk_root_generation(sb));
	printf("root_level\t\t%llu\n",
	       (unsigned long long)btrfs_super_root_level(sb));
	printf("chunk_root\t\t%llu\n",
	       (unsigned long long)btrfs_super_chunk_root(sb));
	printf("chunk_root_level\t%llu\n",
	       (unsigned long long)btrfs_super_chunk_root_level(sb));
	printf("log_root\t\t%llu\n",
	       (unsigned long long)btrfs_super_log_root(sb));
	printf("log_root_transid\t%llu\n",
	       (unsigned long long)btrfs_super_log_root_transid(sb));
	printf("log_root_level\t\t%llu\n",
	       (unsigned long long)btrfs_super_log_root_level(sb));
	printf("total_bytes\t\t%llu\n",
	       (unsigned long long)btrfs_super_total_bytes(sb));
	printf("bytes_used\t\t%llu\n",
	       (unsigned long long)btrfs_super_bytes_used(sb));
	printf("sectorsize\t\t%llu\n",
	       (unsigned long long)btrfs_super_sectorsize(sb));
	printf("nodesize\t\t%llu\n",
	       (unsigned long long)btrfs_super_nodesize(sb));
	printf("leafsize (deprecated)\t%u\n",
	       le32_to_cpu(sb->__unused_leafsize));
	printf("stripesize\t\t%llu\n",
	       (unsigned long long)btrfs_super_stripesize(sb));
	printf("root_dir\t\t%llu\n",
	       (unsigned long long)btrfs_super_root_dir(sb));
	printf("num_devices\t\t%llu\n",
	       (unsigned long long)btrfs_super_num_devices(sb));
	printf("compat_flags\t\t0x%llx\n",
	       (unsigned long long)btrfs_super_compat_flags(sb));
	printf("compat_ro_flags\t\t0x%llx\n",
	       (unsigned long long)btrfs_super_compat_ro_flags(sb));
	print_readable_compat_ro_flag(btrfs_super_compat_ro_flags(sb));
	printf("incompat_flags\t\t0x%llx\n",
	       (unsigned long long)btrfs_super_incompat_flags(sb));
	print_readable_incompat_flag(btrfs_super_incompat_flags(sb));
	printf("cache_generation\t%llu\n",
	       (unsigned long long)btrfs_super_cache_generation(sb));
	printf("uuid_tree_generation\t%llu\n",
	       (unsigned long long)btrfs_super_uuid_tree_generation(sb));

	uuid_unparse(sb->dev_item.uuid, buf);
	printf("dev_item.uuid\t\t%s\n", buf);

	uuid_unparse(sb->dev_item.fsid, buf);
	if (metadata_uuid_present) {
		cmp_res = !memcmp(sb->dev_item.fsid, sb->metadata_uuid,
				 BTRFS_FSID_SIZE);
	} else {
		cmp_res = !memcmp(sb->dev_item.fsid, sb->fsid, BTRFS_FSID_SIZE);
	}
	printf("dev_item.fsid\t\t%s %s\n", buf,
	       cmp_res ? "[match]" : "[DON'T MATCH]");

	printf("dev_item.type\t\t%llu\n", (unsigned long long)
	       btrfs_stack_device_type(&sb->dev_item));
	printf("dev_item.total_bytes\t%llu\n", (unsigned long long)
	       btrfs_stack_device_total_bytes(&sb->dev_item));
	printf("dev_item.bytes_used\t%llu\n", (unsigned long long)
	       btrfs_stack_device_bytes_used(&sb->dev_item));
	printf("dev_item.io_align\t%u\n", (unsigned int)
	       btrfs_stack_device_io_align(&sb->dev_item));
	printf("dev_item.io_width\t%u\n", (unsigned int)
	       btrfs_stack_device_io_width(&sb->dev_item));
	printf("dev_item.sector_size\t%u\n", (unsigned int)
	       btrfs_stack_device_sector_size(&sb->dev_item));
	printf("dev_item.devid\t\t%llu\n",
	       btrfs_stack_device_id(&sb->dev_item));
	printf("dev_item.dev_group\t%u\n", (unsigned int)
	       btrfs_stack_device_group(&sb->dev_item));
	printf("dev_item.seek_speed\t%u\n", (unsigned int)
	       btrfs_stack_device_seek_speed(&sb->dev_item));
	printf("dev_item.bandwidth\t%u\n", (unsigned int)
	       btrfs_stack_device_bandwidth(&sb->dev_item));
	printf("dev_item.generation\t%llu\n", (unsigned long long)
	       btrfs_stack_device_generation(&sb->dev_item));
	if (full) {
		printf("sys_chunk_array[%d]:\n", BTRFS_SYSTEM_CHUNK_ARRAY_SIZE);
		print_sys_chunk_array(sb);
		printf("backup_roots[%d]:\n", BTRFS_NUM_BACKUP_ROOTS);
		print_backup_roots(sb);
	}
}