Re: [PATCH v2 1/2] block: add BPF kfuncs to read blkcg io.stat

From: Tejun Heo

Date: Tue Aug 18 2026 - 18:43:24 EST


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().

Thanks.

--
tejun