1 What: /sys/block/<device>/iosched/ta 1 What: /sys/block/<device>/iosched/target_latency 2 Date: March 2012 2 Date: March 2012 3 contact: Tao Ma <boyu.mt@taobao.com> 3 contact: Tao Ma <boyu.mt@taobao.com> 4 Description: 4 Description: 5 The /sys/block/<device>/iosche 5 The /sys/block/<device>/iosched/target_latency only exists 6 when the user sets cfq to /sys 6 when the user sets cfq to /sys/block/<device>/scheduler. 7 It contains an estimated laten 7 It contains an estimated latency time for the cfq. cfq will 8 use it to calculate the time s 8 use it to calculate the time slice used for every task.
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