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Date: Sat, 31 Mar 2012 23:31:07 +0800 From: Tao Ma <tm@....ma> To: linux-kernel@...r.kernel.org Cc: Jens Axboe <axboe@...nel.dk>, Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: [PATCH V2 2/2] Documentation: Add sysfs ABI change for cfq's target latency. From: Tao Ma <boyu.mt@...bao.com> Cc: Jens Axboe <axboe@...nel.dk> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Signed-off-by: Tao Ma <boyu.mt@...bao.com> --- Documentation/ABI/testing/sysfs-cfq-target-latency | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-cfq-target-latency diff --git a/Documentation/ABI/testing/sysfs-cfq-target-latency b/Documentation/ABI/testing/sysfs-cfq-target-latency new file mode 100644 index 0000000..df0f782 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-cfq-target-latency @@ -0,0 +1,8 @@ +What: /sys/block/<device>/iosched/target_latency +Date: March 2012 +contact: Tao Ma <boyu.mt@...bao.com> +Description: + The /sys/block/<device>/iosched/target_latency only exists + when the user sets cfq to /sys/block/<device>/scheduler. + It contains an estimated latency time for the cfq. cfq will + use it to calculate the time slice used for every task. -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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