Hi, Find some functions can be removed since there is no caller of them when read the code. Thanks, Guoqing Guoqing Jiang (4): blk-throttle: remove blk_throtl_drain blk-throttle: remove tg_drain_bios blk-wbt: remove wbt_update_limits blk-wbt: rename __wbt_update_limits to wbt_update_limits block/blk-throttle.c | 63 -------------------------------------------- block/blk-wbt.c | 16 +++-------- block/blk-wbt.h | 4 --- block/blk.h | 2 -- 4 files changed, 4 insertions(+), 81 deletions(-) -- 2.17.1