Pat's mail reminded me of parts of the devfs FAQ as
I was reading it yesterday.  devfs has separate
directories for cdrom, tape, disc, cd-rw (?),
toaster, floppy, etc.  But the non-USB drivers are
only for specific devices, so they know what
media type they are talking to and can create
devfs-compartments for them easily.

This implies that the usb-storage driver needs
to comprehend what kind of media it is talking
to if it's going to work [as expected] in a devfs
environment.  Does it already do this?
Can it do it?

I haven't looked at usb-storage in detail
lately, but it could just be talking SCSI,
RBC, ATAPI, etc., over its transport layer
without having to know what the media type
actually is.

RBC comments says "typically flash".
8020 says CD-ROM, but does CD-ROM always use 8020?
UFI comment says Floppy, but we just had a report that
  it is also being used for Memory Stick. (not that we
  can do anything about such descriptors)
8070 comment says Removable media, but all of these USB
  devices are removable media.

Where does a CD-RW device fit into this?
And can usb-storage work in this devfs scenario?

~Randy
   


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