Re: [PATCH v2 3/5] bpf: Expose bpf_sk_storage_* to iterator programs

[KP Singh]

On Thu, Nov 19, 2020 at 5:27 PM Florent Revest <revest@xxxxxxxxxxxx> wrote:
>
> From: Florent Revest <revest@xxxxxxxxxx>
>
> Iterators are currently used to expose kernel information to userspace
> over fast procfs-like files but iterators could also be used to
> manipulate local storage. For example, the task_file iterator could be
> used to initialize a socket local storage with associations between
> processes and sockets or to selectively delete local storage values.
>
> This exposes both socket local storage helpers to all iterators.
> Alternatively we could expose it to only certain iterators with strcmps
> on prog->aux->attach_func_name.

Since you mentioned the alternative here, maybe you can also
explain why you chose the current approach.