1What: /config/usb-gadget/gadget/functions/mass_storage.name 2Date: Oct 2013 3KernelVersion: 3.13 4Description: 5 The attributes: 6 7 stall - Set to permit function to halt bulk endpoints. 8 Disabled on some USB devices known not to work 9 correctly. You should set it to true. 10 num_buffers - Number of pipeline buffers. Valid numbers 11 are 2..4. Available only if 12 CONFIG_USB_GADGET_DEBUG_FILES is set. 13 14What: /config/usb-gadget/gadget/functions/mass_storage.name/lun.name 15Date: Oct 2013 16KernelVersion: 3.13 17Description: 18 The attributes: 19 20 file - The path to the backing file for the LUN. 21 Required if LUN is not marked as removable. 22 ro - Flag specifying access to the LUN shall be 23 read-only. This is implied if CD-ROM emulation 24 is enabled as well as when it was impossible 25 to open "filename" in R/W mode. 26 removable - Flag specifying that LUN shall be indicated as 27 being removable. 28 cdrom - Flag specifying that LUN shall be reported as 29 being a CD-ROM. 30 nofua - Flag specifying that FUA flag 31 in SCSI WRITE(10,12) 32