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Date: Thu, 8 Feb 2001 04:28:06 +0100
From: Jens Axboe <axboe@suse.de>
To: Matt_Domsch@Dell.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: aacraid 2.4.0 kernel
Message-ID: <20010208042806.J27027@suse.de>
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In-Reply-To: <CDF99E351003D311A8B0009027457F1403BF9CA3@ausxmrr501.us.dell.com>; from Matt_Domsch@Dell.com on Wed, Feb 07, 2001 at 09:24:00PM -0600
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On Wed, Feb 07 2001, Matt_Domsch@Dell.com wrote:
> > I haven't seen this driver, but if it uses the SCSI layer instead
> > of being a "pure" block driver then I can see a slight problem
> > in that currently only understand max sg entry limits and not
> > total request sizes. I would rather fix this limitation then, and
> > would also be interested to know if any of the (older) SCSI drivers
> > have such limitations too.
> 
> Yes, it's a SCSI driver, not a block driver.  Adaptec thought it prudent to
> try to fix this in their driver rather than try to change the SCSI layer in
> 2.4.x just now.  They expected it would be more difficult getting such a
> change through validation and into the kernel in a timely manner.

The changes are going to be really small and obvious. Which I bet
the driver changes won't :-). And as I said, if other drivers have
this limitation too then we need to do it anyway.

-- 
Jens Axboe

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