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    SubjectRe: [PATCH] speed up SATA
    On 30 Mar 2004, Jens Axboe wrote:
    | On Tue, Mar 30 2004, Marc Bevand wrote:
    | [...]
    | > As other people were complaining that the 32MB max request size might be too
    | > high, I did give a try to 1MB (by replacing "65534" by "2046" in the patch).
    | > There is no visible differences between 32MB and 1MB.
    |
    | As suspected. BTW, you want to use 2048 there, not 2046. The 64K-2
    | (which could be 64K-1) is just due to ->max_sectors being an unsigned
    | short currently.

    Okay, I thought the 2 sectors were used to store some extra informations.

    I also forgot to mention that there does not seem to have any *latency*
    differences between 32MB and 1MB. Strange...

    --
    Marc Bevand http://www.epita.fr/~bevand_m
    Computer Science School EPITA - System, Network and Security Dept.
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