I can able to mount system partition.
I could not able to mount root partition.
getting error like this :
1|console:/ # mount -o rw,remount /
[ 3640.420613] EXT4-fs (dm-0): couldn't mount RDWR because of unsupported optional features (4000)
[ 3640.434479] EXT4-fs (dm-0): couldn't mount RDWR because of unsupported optional features (4000)
'/dev/block/dm-0' is read-only
console:/ # [ 3903.028999] WLDEV-ERROR)