dumpe2fs - performance
dumpe2fs 1.46.5 (30-Dec-2021)
Filesystem volume name: armbian_root
Last mounted on: /
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: journal_data_writeback user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 2382656
Block count: 7708672
Reserved block count: 81227
Overhead clusters: 17045
Free blocks: 7050912
Free inodes: 2314025
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 101
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 10096
Inode blocks per group: 631
Flex block group size: 16
Filesystem created: Mon Aug 1 12:12:50 2022
Last mount time: Wed Aug 3 16:10:27 2022
Last write time: Wed Aug 3 16:10:26 2022
Mount count: 8
Maximum mount count: -1
Last checked: Mon Aug 1 12:12:50 2022
Check interval: 0 ()
Lifetime writes: 41 GB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 32
Desired extra isize: 32
Journal inode: 8
Default directory hash: half_md4
Journal backup: inode blocks
Journal features: journal_incompat_revoke
Total journal size: 32M
Total journal blocks: 8192
Max transaction length: 8192
Fast commit length: 0
Journal sequence: 0x0009b4d8
Journal start: 6489