Hi Tejun, On Tue, Aug 18, 2026 at 12:42:54PM -1000, Tejun Heo wrote:
On Tue, Aug 18, 2026 at 03:31:29PM -0700, Ziyang Men wrote:Ok I will add the casts bpf_get_blkcg() and bpf_put_blkcg(), and remove the check of css->ss in above functoins.RCU_PROTECTED is probably better than get/put().
Yes we can make the blkcg* RCU_PROTECTED but then the bpf_blkcg_flush_stats() needs to take the @cgroup* since it is SLEEPABLE. Does this work for you? Best, Ziyang
Thanks. -- tejun
