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    SubjectRe: [patch] use cheaper elv_queue_empty when unplug a device
    On Mon, Mar 28 2005, Chen, Kenneth W wrote:
    > This patch was posted last year and if I remember correctly, Jens said
    > he is OK with the patch. In function __generic_unplug_deivce(), kernel
    > can use a cheaper function elv_queue_empty() instead of more expensive
    > elv_next_request to find whether the queue is empty or not. blk_run_queue
    > can also made conditional on whether queue's emptiness before calling
    > request_fn().
    >
    >
    > Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>

    Looks good, thanks.

    Signed-off-by: Jens Axboe <axboe@suse.de>

    --
    Jens Axboe

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