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    Subject[PATCH 0/15] CFQ IO scheduler patch series

    I have a series of patches for the CFQ IO scheduler that I'd like to get
    some more testing on. The patch series is also scheduled to enter the
    next -mm, but if I'd like people to consciously give it a spin on its
    own as well. The patches are also available from the 'cfq' branch of the
    block layer tree:


    and I've uploaded a rolled up version here as well:

    The patch series is essentially a series of cleanups and smaller
    optimizations, but there's also a larger change in there (patches 4 to
    7) that completely rework how CFQ selects which queue to process. It's
    an experimental approach similar to the CFS CPU scheduler, in which
    management lists are converted to a single rbtree instead.

    So give it a spin if you have the time, and let me know how it performs
    and/or feels for you workload and hardware.

    cfq-iosched.c | 676 ++++++++++++++++++++++++++------------------------
    1 file changed, 357 insertions(+), 319 deletions(-)
    Jens Axboe

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      Last update: 2007-04-24 10:19    [from the cache]
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