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linux-yocto/Documentation/ABI/testing/sysfs-cfq-target-latency
Tao Ma 407ac95e22 Documentation: Add sysfs ABI change for cfq's target latency. 
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-04-01 14:33:40 -07:00

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What: /sys/block//iosched/target_latency Date: March 2012 contact: Tao Ma boyu.mt@taobao.com Description: The /sys/block//iosched/target_latency only exists when the user sets cfq to /sys/block//scheduler. It contains an estimated latency time for the cfq. cfq will use it to calculate the time slice used for every task.