On Wed, Sep 14, 2005 at 08:29:19PM +0200, Christian Iversen wrote:
> On Wednesday 14 September 2005 19:45, Timothy Thelin wrote:
> > I was curious about the reasoning behind this decision and how to fix an
> > issue that came up because of it.
> > ...
> > (1) Is easy to do, but is it going to cause other issues?  I'd imagine any
> > *usb storage* device that reports scsi0 really implements the scsi3 form of
> > the commands that it happens to support.
> > (2) Is more invasive, but is probably more of a correct solution.  This
> > will require a larger effort involving multiple groups coordinating the
> > efforts.
> 
> I can't really comment on the rest of your mail, even though the points seem 
> well thought-out, but I would like to offer just a single comment:
> 
> Why would a usb-storage device ever report itself as scsi0 if it actually 
> supports scsi3? Is it because the USB/ATA bridge spec doesn't support asking 
> the device it self, so the usb-subsystem just makes an (un? ;)-educated 
> guess? Or is it because it is possible, but the devices can't be trusted to 
> tell the truth?

It's the last one.  Lots and lots of devices lie outright about this.

Matt

-- 
Matthew Dharm                              Home: [EMAIL PROTECTED] 
Maintainer, Linux USB Mass Storage Driver

S:  Another stupid question?
G:  There's no such thing as a stupid question, only stupid people.
                                        -- Stef and Greg
User Friendly, 7/15/1998

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