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