//sys/devices/pci0000:00/0000:00:18.5/driver/0000:00:18.4/driver/0000:00:18.0/driver/0000:00:18.2/driver/0000:00:15.3/driver/0000:00:15.6/subsystem/devices/0000:02:01.0/host14/scsi_host:host14/sg_tablesize