On 2022/1/13 9:49 上午, kernel test robot wrote: > ll warnings (new ones prefixed by >>): > > block/blk-iocost.c:1244:6: warning: variable 'last_period' set but not used [-Wunused-but-set-variable] > u64 last_period, cur_period; > ^ >>> block/blk-iocost.c:3348:7: warning: variable 'ioc' is uninitialized when used here [-Wuninitialized] > if (!ioc) { Thanks so much I will fix this in next patch version. Jianchao