mke2fs -t ext4 -T small

tune2fs 1.42 (29-Nov-2011)
Filesystem volume name:   <none>
Last mounted on:          <not available>
Filesystem UUID:          1f363e15-b2e9-4148-b043-1bd6f5d7ace2
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal ext_attr resize_inode dir_index filetype extent flex_bg sparse_super huge_file uninit_bg dir_nlink extra_isize
Filesystem flags:         signed_directory_hash
Default mount options:    user_xattr acl
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              488378368
Block count:              1953512400
Reserved block count:     97675620
Free blocks:              1891754929
Free inodes:              488378357
First block:              1
Block size:               1024
Fragment size:            1024
Reserved GDT blocks:      256
Blocks per group:         8192
Fragments per group:      8192
Inodes per group:         2048
Inode blocks per group:   256
Flex block group size:    16
Filesystem created:       Sun Jun  3 16:52:22 2012
Last mount time:          n/a
Last write time:          Sun Jun  3 16:54:09 2012
Mount count:              0
Maximum mount count:      -1
Last checked:             Sun Jun  3 16:52:22 2012
Check interval:           0 (<none>)
Lifetime writes:          54 MB
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:               128
Journal inode:            8
Default directory hash:   half_md4
Directory Hash Seed:      e7d6e907-1f70-4424-8299-ac35a62228f5
Journal backup:           inode blocks