From: Yu Kuai <yukuai3@xxxxxxxxxx>
changes in v5:
- code adjustment in patch 4, as suggested by Christoph.
- add review tag by Christop.
changes in v4:
- remove patch 3 from v3
- add patch 2,3 in v4
changes in v3:
- instead of check elevator name, add a flag in elevator_queue, as
suggested by Christoph.
- add patch 3 and patch 5 to this patchset.
changes in v2:
- define new api if wbt config is not enabled in patch 1.
Yu Kuai (6):
elevator: remove redundant code in elv_unregister_queue()
blk-wbt: remove unnecessary check in wbt_enable_default()
blk-wbt: make enable_state more accurate
blk-wbt: don't show valid wbt_lat_usec in sysfs while wbt is disabled
elevator: add new field flags in struct elevator_queue
blk-wbt: don't enable throttling if default elevator is bfq
block/bfq-iosched.c | 2 ++
block/blk-sysfs.c | 3 +++
block/blk-wbt.c | 26 ++++++++++++++++++++++----
block/blk-wbt.h | 17 ++++++++++++-----
block/elevator.c | 8 ++------
block/elevator.h | 5 ++++-
6 files changed, 45 insertions(+), 16 deletions(-)