Hi, The 1st patch provides support debugfs on rq_qos. The 2nd patch exports blk-wbt's internal states via debugfs. Ming Lei (2): blk-mq-debugfs: support rq_qos blk-wbt: export internal state via debugfs block/blk-mq-debugfs.c | 54 ++++++++++++++++++++++++++++++ block/blk-mq-debugfs.h | 17 ++++++++++ block/blk-rq-qos.c | 2 ++ block/blk-rq-qos.h | 26 +++++++++++++++ block/blk-wbt.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++ include/linux/blkdev.h | 1 + 6 files changed, 191 insertions(+) -- 2.9.5