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authorJens Axboe <axboe@kernel.dk>2012-05-01 14:29:55 +0200
committerJens Axboe <axboe@kernel.dk>2012-05-01 14:29:55 +0200
commit0b7877d4eea3f93e3dd941999522bbd8c538cb53 (patch)
treeade6d4e411b9b9b569c802e3b2179826162c934c /Documentation/ABI/testing/sysfs-cfq-target-latency
parentbd1a68b59c8e3bce45fb76632c64e1e063c3962d (diff)
parent69964ea4c7b68c9399f7977aa5b9aa6539a6a98a (diff)
downloadlinux-0b7877d4eea3f93e3dd941999522bbd8c538cb53.tar.bz2
Merge tag 'v3.4-rc5' into for-3.5/core
The core branch is behind driver commits that we want to build on for 3.5, hence I'm pulling in a later -rc. Linux 3.4-rc5 Conflicts: Documentation/feature-removal-schedule.txt Signed-off-by: Jens Axboe <axboe@kernel.dk>
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+What: /sys/block/<device>/iosched/target_latency
+Date: March 2012
+contact: Tao Ma <boyu.mt@taobao.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.