Function nvme_ns_get_ctrl 

pub unsafe extern "C" fn nvme_ns_get_ctrl(n: nvme_ns_t) -> nvme_ctrl_t

nvme_ns_get_ctrl() - &nvme_ctrl_t of a namespace @n: Namespace instance

nvme_ctrl_t object may be NULL for a multipathed namespace

Return: nvme_ctrl_t object of @n if present