__scsi_device_lookup
SDp = __scsi_device_lookup(host, 0, reselection_id, lun);
sdev = __scsi_device_lookup(im_port->shost, itnim->channel,
sdev = __scsi_device_lookup(shost, channel, id, lun);
EXPORT_SYMBOL(__scsi_device_lookup);
extern struct scsi_device *__scsi_device_lookup(struct Scsi_Host *,