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 (5): wbt: don't show valid wbt_lat_usec in sysfs while wbt is disabled elevator: add new field flags in struct elevator_queue block, bfq: don't disable wbt if CONFIG_BFQ_GROUP_IOSCHED is disabled blk-wbt: don't enable throttling if default elevator is bfq elevator: remove redundant code in elv_unregister_queue() block/bfq-iosched.c | 6 +++++- block/blk-sysfs.c | 9 ++++++++- block/blk-wbt.c | 15 ++++++++++++++- block/blk-wbt.h | 5 +++++ block/elevator.c | 8 ++------ block/elevator.h | 5 ++++- 6 files changed, 38 insertions(+), 10 deletions(-) -- 2.31.1
