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

Tejun Heo <[email protected]> Tue, 18 Aug 2026 12:42:54 -1000

Newsgroups	org.kernel.vger.linux-block,org.kernel.vger.bpf,org.kernel.vger.cgroups,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest
Message-ID	<[email protected]>

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