On Mon, Nov 26, 2018 at 11:27 AM Hugh Dickins <[email protected]> wrote:
>
> +enum behavior {
> + EXCLUSIVE, /* Hold ref to page and take the bit when woken, like
> + * __lock_page() waiting on then setting PG_locked.
> + */
> + SHARED, /* Hold ref to page and check the bit when woken, like
> + * wait_on_page_writeback() waiting on PG_writeback.
> + */
> + DROP, /* Drop ref to page before wait, no check when woken,
> + * like put_and_wait_on_page_locked() on PG_locked.
> + */
> +};
Ack, thanks.
Linus
