Issues with USB mass storage

Hello i am using beaglebone and trying to use it as a USB mass storage
for my PC. I am using android ICS from TI (rowboat).
I've partionated it in 4 partitions being one for android, one for
kernel, one for android data and a forth one. I used gparted to do
this partitions.
However i can't acess any of these paritions from my pc.