Re: [PATCH bpf-next v1 3/5] bpf: Introduce cgroup iter

[Tejun Heo]

On Thu, May 19, 2022 at 10:11:26PM -1000, Tejun Heo wrote:
> If you *must* do the iterator, can you at least make it a proper iterator
> which supports seeking? AFAICS there's nothing fundamentally preventing bpf
> iterators from supporting seeking. Or is it that you need something which is
> pinned to a cgroup so that you can emulate the directory structure?

Or, alternatively, would it be possible to make a TEST_RUN_PROG to output a
text file in bpffs? There just doesn't seem to be anything cgroup specific
that the iterator is doing that can't be done with exposing a couple kfuncs.

Thanks.

-- 
tejun