On Wed, Jul 17, 2024 at 02:55:37PM -0400, Waiman Long wrote: > I was wrong about __blkcg_rstat_flush(). Right, the main updater of > iostat_cpu is blk_cgroup_bio_start(). We do need to drop down some comment > on what is protected by u64_sync and what is by blkg_stat_lock though. It > can be confusing. Oh yeah, definitely. It is confusing. -- tejun
