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    SubjectRe: Variable Block Chains in ll_rw_block()
    On Sat, 2 Sep 2000, Jeff V. Merkey wrote:

    >
    > Linus,
    >
    > This morning I tried what you suggested last night, and saw some issues
    > with the Adaptec SCSI driver doing an Oops when I tried 1024-512-1024
    > with the block check removed on 2.2.16. The IDE driver did not barf
    > but when I tried it on a mirrored system with SCSI disk I got an Oops,
    > so I think perhaps there may be some drivers this will break.

    Explain, I am listening.

    > If it is your intent that this be removed to allow variable block sectr
    > requests (this idea of yours is great BTW) then I will submit a PATCH
    > and I guess we'll just see how many drivers this breaks. Someone needs
    > to write a test harness that will send all kinds of variable size blocks
    > chains to test all the drivers. Since it's me who's breaking the world
    > here with this, is this my job?
    >

    <snip>
    oh my, nothing is worth that kind of reaction.

    Andre Hedrick
    The Linux ATA/IDE guy

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