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Date: Sun, 19 Dec 2004 23:06:03 -0800
From: Pete Zaitcev <zaitcev@redhat.com>
To: David Brownell <david-b@pacbell.net>
Cc: linux-usb-devel@lists.sourceforge.net,
       Matthew Dharm <mdharm-kernel@one-eyed-alien.net>,
       "Randy.Dunlap" <rddunlap@osdl.org>, Adrian Bunk <bunk@stusta.de>,
       Greg KH <greg@kroah.com>, linux-kernel@vger.kernel.org
Subject: Re: RFC: [2.6 patch] let BLK_DEV_UB depend on EMBEDDED
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On Sun, 19 Dec 2004 22:43:05 -0800, David Brownell <david-b@pacbell.net> wrote:

> It also seems to mean significantly slower access (at high speed)
> for the most standard devices.  That doesn't seem like a win,
> though I suspect fixing it should be as simple as switching over
> to use the USB scatterlist calls (which usb-storage uses) ...

They do not allow asynchronous operation, last time I checked.

-- Pete