Re: [ANNOUNCE] QLogic qla2xxx driver update available (v8.00.00b6).

From: Jens Axboe
Date: Thu Nov 06 2003 - 12:53:40 EST


On Thu, Nov 06 2003, Arjan van de Ven wrote:
> On Thu, 2003-11-06 at 18:14, Jens Axboe wrote:
>
> > They were there at the same time as Linux supported > 1GB IO at all. So
> > that is incorrect, it's been there all along.
>
> .... ia64

Yeah you are right, on 64-bit platforms that could have happened. I
actually thought that CONTIGUOUS_BUFFERS took care of 4GB, but on
checking it does not.

So clustering should have been disabled then (which in the in-kernel
drive it is not). Now both 2.4 and 2.6 make that guarentee. The only
argument for disabling clustering would be for 2.4 for CPU cycle
reasons.

--
Jens Axboe

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