Re: [PATCH -next v5 1/6] md: pass a md_thread pointer to md_register_thread()

[Song Liu <song@xxxxxxxxxx>]

On Mon, Apr 10, 2023 at 4:37 AM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote:
>
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
>
> Prepare to protect md_thread with rcu, there are no functional changes.

Why do we need this change? To add __rcu later?

Can we do something like:

struct md_thread __rcu *md_register_thread(void (*run) (struct md_thread *),
               struct mddev *mddev, const char *name)

Thanks,
Song