Function nvme_scan_ctrl 

pub unsafe extern "C" fn nvme_scan_ctrl(
    r: nvme_root_t,
    name: *const c_char,
) -> nvme_ctrl_t

nvme_scan_ctrl() - Scan on a controller @r: nvme_root_t object @name: Name of the controller

Scans a controller with sysfs name @name and add it to @r.

Return: nvme_ctrl_t object