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    Subject[PATCH 0/4] io-controller: Use names rather than major:minor
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    This stack (which includes Gui's patch for per-device weights),
    changes the various blkio.* stats to use the disks' names (sda, sdb,
    etc.) rather than major:minor pairs when printing statistics.
    Additionally setting a per-device policy can be done via the disk's
    name.

    This has the side effect of fixing the "root cgroup shows no stats"
    problem that Ricky mentioned.

    Chad

    ---

    Chad Talbott (4):
    blkio_group key change: void * -> request_queue *
    Adds an RCU-protected pointer to request_queue that makes it easy to
    io-controller: Add a new interface "weight_device" for IO-Controller
    Use disk-names to set blkio.weight_device policy


    block/blk-cgroup.c | 224 +++++++++++++++++++++++++++++++++++++++++++++---
    block/blk-cgroup.h | 23 ++++-
    block/blk-sysfs.c | 4 +
    block/cfq-iosched.c | 27 ++----
    include/linux/blkdev.h | 6 +
    5 files changed, 248 insertions(+), 36 deletions(-)



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