def volume_allocate_iscsi_target(context, volume_id, host):
 return IMPL.volume_allocate_iscsi_target(context, volume_id, host)

def volume_allocate_iscsi_target ( context , volume_id , host ) : return IMPL . volume_allocate_iscsi_target ( context , volume_id , host )
atomically allocate a free iscsi_target from the pool .