Uplift submodules

Signed-off-by: György Szombathelyi <gyurco@freemail.hu>
Enable task accounting, needed for iotop for example

Signed-off-by: György Szombathelyi <gyurco@freemail.hu>
Cleanup the directdisk class

Signed-off-by: György Szombathelyi <gyurco@freemail.hu>