Re: [usb-storage] Re: [PATCH] fix Sony USB mass storage - pass larger receive buffer

Matthew Dharm
2003-11-14T01:06:35Z

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On Thu, Nov 13, 2003 at 04:44:09PM -0700, Pat LaVarre wrote:
> Alan S:
> > Those sound like different issues from the one we've been discussing in
> > this thread, namely: how should sd.c try to determine the read/write
> > status and cache-type of a disk device?
>
> I mean to be saying sd.c should by default send the CDB's associated
> with buffer lengths that produce the same BBB CBW's as Windows XP/2K,
> and then determine the read/write status and cache-type from that info
> alone.

I would go for this approach, but nobody has been able to figure out what
that CDB is. There is even some suggestion that Win doesn't send any such
CDBs at all.

> I haven't yet seen a trace of Win XP/2K.

To my knowledge, nobody has.

Matt

--
Matthew Dharm Home: mdharm-usb@one-eyed-alien.net
Maintainer, Linux USB Mass Storage Driver

Sir, for the hundreth time, we do NOT carry 600-round boxes of belt-fed
suction darts!
-- Salesperson to Greg
User Friendly, 12/30/1997

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