scsi_probe_lun — probe a single LUN using a SCSI INQUIRY
int scsi_probe_lun
(struct scsi_device * sdev, unsigned char * inq_result, int result_len, int * bflags);
scsi_device to probe
area to store the INQUIRY result
len of inq_result
store any bflags found here
Probe the lun associated with req using a standard SCSI INQUIRY;
If the INQUIRY is successful, zero is returned and the INQUIRY data is in inq_result; the scsi_level and INQUIRY length are copied to the scsi_device any flags value is stored in *bflags.