couldn't mount RDWR because of unsupported optional features (400)

linux-couldnt-mount-rdwr-because-of-unsupported-optional-features-400

所以 follow 這一篇...
用 tune2fs -l 列出用 prebuilt/linux-x86/mkfs/make_ext4s 和 系統 mkfs.ext4 format 過得 block deviice， feature 部份...
make_ext4fs:

Filesystem volume name:   
Last mounted on:          
Filesystem UUID:          57f8f4bc-abf4-0000-675f-946fc0f9f25b
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal resize_inode filetype extent sparse_super large_file
Default mount options:    (none)
Filesystem state:         clean
Errors behavior:          Remount read-only
Filesystem OS type:       Linux
Inode count:              6400
Block count:              25600
Reserved block count:     0
Free blocks:              24162
Free inodes:              6389
First block:              0
Block size:               4096
Fragment size:            4096
Reserved GDT blocks:      7
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         6400
Inode blocks per group:   400
Last mount time:          n/a
Last write time:          Thu Jan  1 08:00:00 1970
Mount count:              0
Maximum mount count:      -1
Last checked:             Thu Jan  1 08:00:00 1970
Check interval:           0 ()
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:           256
Required extra isize:     28
Desired extra isize:      28
Journal inode:            8
Default directory hash:   tea
Journal backup:           inode blocks

mkfs.ext4:

Filesystem volume name:   
Last mounted on:          
Filesystem UUID:          b4eaefc3-2856-4c9f-9abd-4b65a2fbd6f0
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum
Filesystem flags:         signed_directory_hash 
Default mount options:    user_xattr acl
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              64000
Block count:              256000
Reserved block count:     12800
Free blocks:              247252
Free inodes:              63989
First block:              0
Block size:               4096
Fragment size:            4096
Group descriptor size:    64
Reserved GDT blocks:      124
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         8000
Inode blocks per group:   500
Flex block group size:    16
Filesystem created:       Fri Mar 16 18:35:45 2018
Last mount time:          n/a
Last write time:          Fri Mar 16 18:35:45 2018
Mount count:              0
Maximum mount count:      -1
Last checked:             Fri Mar 16 18:35:45 2018
Check interval:           0 ()
Lifetime writes:          17 MB
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
Directory Hash Seed:      0a08ac54-71c0-4329-93b6-8830d536aaba
Journal backup:           inode blocks
Checksum type:            crc32c
Checksum:                 0x9b3ce51d

果然 filesystem feature 部份差異很多..