Hi, The patchset fix a few issues for io.low limit. The title of the patches explain the issues pretty well. Thanks, Shaohua Shaohua Li (4): blk-throttle: add hierarchy support for latency target and idle time blk-throttle: output some debug info in trace blk-throttle: respect 0 bps/iops settings for io.low blk-throttle: force user to configure all settings for io.low block/blk-throttle.c | 172 ++++++++++++++++++++++++++++++++------------------- 1 file changed, 109 insertions(+), 63 deletions(-) -- 2.9.3