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thodg/ext4fs/test/inspect_ext4fs.log

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  • test/inspect_ext4fs.log 
  • ./inspect_ext4fs/inspect_ext4fs /dev/sdb1
ext4fs_size: 15723659264
%Ext4fs.SuperBlock{sb_inodes_count: (U32) 960992,
                   sb_blocks_count: (U64) 3838784,
                   sb_reserved_blocks_count: (U64) 191939,
                   sb_free_blocks_count: (U64) 3751826,
                   sb_free_inodes_count: (U32) 960981,
                   sb_first_data_block: (U32) 0,
                   sb_log_block_size: (U32) 2,  	# 4096
                   sb_log_cluster_size: (U32) 2,	# 4096
                   sb_blocks_per_group: (U32) 32768,
                   sb_clusters_per_group: (U32) 32768,
                   sb_inodes_per_group: (U32) 8144,
                   sb_mount_time: (U64) 1751676872,	# 2025-07-05 02:54:32 CEST
                   sb_write_time: (U64) 1751755781,	# 2025-07-06 00:49:41 CEST
                   sb_mount_count: (U16) 4,
                   sb_max_mount_count: (S16) -1,
                   sb_magic: (U16) 0xEF53,		# 61267
                   sb_state: valid,
                   sb_errors: continue,
                   sb_revision_level_minor: (U16) 0,
                   sb_check_time: (U64) 1751228334,	# 2025-06-29 22:18:54 CEST
                   sb_check_interval: (U32) 0,
                   sb_creator_os: (U32) 0,		# Linux
                   sb_revision_level: (U32) 1,
                   sb_default_reserved_uid: (U16) 0,
                   sb_default_reserved_gid: (U16) 0,
                   sb_feature_compat: has_journal | ext_attr | resize_inode | dir_index,
                   sb_feature_incompat: filetype | extents | 64bit | flex_bg,
                   sb_feature_ro_compat: sparse_super | large_file | huge_file | dir_nlink | extra_isize | metadata_csum,
                   sb_uuid: 3188b706-d0cb-421f-b961-d91363e44158,
                   sb_volume_name: ext4fs,
                   sb_last_mounted: ,
                   sb_algorithm_usage_bitmap: (U32) 0,
                   sb_preallocate_blocks: (U8) 0,
                   sb_preallocate_dir_blocks: (U8) 0,
                   sb_reserved_gdt_blocks: (U16) 1024,
                   sb_journal_uuid: 00000000-0000-0000-0000-000000000000,
                   sb_journal_inode_number: (U32) 8,
                   sb_journal_device_number: (U32) 0,
                   sb_last_orphan: (U32) 0,
                   sb_hash_seed: (U32) {0x7f93685e,
                                        0xae4f8743,
                                        0x02c06793,
                                        0x558feb89},
                   sb_default_hash_version: 1,
                   sb_journal_backup_type: 1,
                   sb_group_descriptor_size: (U16) 64,
                   sb_default_mount_opts: dirsync | data=journal,
                   sb_first_meta_block_group: (U32) 0,
                   sb_newfs_time: (U64) 1751228334,	# 2025-06-29 22:18:54 CEST
                   sb_jnl_blocks: (U32) {0x0001f30a, 0x00000004,
                                         0x00000000, 0x00000000,
                                         0x00004000, 0x00188403,
                                         0x00000000, 0x00000000,
                                         0x00000000, 0x00000000,
                                         0x00000000, 0x00000000,
                                         0x00000000, 0x00000000,
                                         0x00000000, 0x00000000,
                                         0x04000000},
                   sb_inode_size_extra_min: (U16) 32,
                   sb_inode_size_extra_want: (U16) 32,
                   sb_flags: signed_hash,
                   sb_raid_stride_block_count: 0,
                   sb_mmp_interval: (U32) 0,
                   sb_mmp_block: (U32) 0,
                   sb_raid_stripe_width_block_count: (U32) 0,
                   sb_log_groups_per_flex: 4,		# 16,
                   }
%Ext4fs.GroupDesc{gd_block_bitmap: 1027,
                  gd_inode_bitmap: 1043,
                  gd_inode_table: 1059}
EOF