| Tao Ma | 407ac95 | 2012-04-01 14:33:40 -0700 | [diff] [blame] | 1 | What: /sys/block/<device>/iosched/target_latency |
| 2 | Date: March 2012 | ||||
| 3 | contact: Tao Ma <boyu.mt@taobao.com> | ||||
| 4 | Description: | ||||
| 5 | The /sys/block/<device>/iosched/target_latency only exists | ||||
| 6 | when the user sets cfq to /sys/block/<device>/scheduler. | ||||
| 7 | It contains an estimated latency time for the cfq. cfq will | ||||
| 8 | use it to calculate the time slice used for every task. | ||||