PU_SETSTATE
PU_SETSTATE(pu, PUFFS_STATE_UNMOUNTING);
PU_SETSTATE(pu, PUFFS_STATE_UNMOUNTED);
PU_SETSTATE(pu, PUFFS_STATE_RUNNING);
PU_SETSTATE(pu, PUFFS_STATE_UNMOUNTED);
PU_SETSTATE(pu, PUFFS_STATE_RUNNING);
PU_SETSTATE(pu, PUFFS_STATE_BEFOREMOUNT);