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    SubjectRe: [PATCH] Fix disk statistic reporting to include all disks


    On Wed, 30 Aug 2000, Jens Axboe wrote:
    >
    > Sounds sane, but what about drivers that don't really use the request
    > queue structure? Stuff like lvm, md, rd (with Neil's patch to fix the
    > lru_list deadlock), and probably new loop.

    Every single driver must have a request_queue: as far as the ll_rw_block
    layer is concerned, a NULL request-queue means that the device doesn't
    exist. It will even print out a message saying so..

    I'm not sure what you mean about lvm/md/rd not having request queues.

    Linus

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