On Tue, 26 Jul 2022 14:06:29 +0100, Pavel Begunkov wrote:
> We want to use all optimisations that we have for io_uring requests like
> completion batching, memory caching and more but for zc notifications.
> Fortunately, notification perfectly fit the request model so we can
> overlay them onto struct io_kiocb and use all the infratructure.
>
> Most of the fields of struct io_notif natively fits into io_kiocb, so we
> replace struct io_notif with struct io_kiocb carrying struct
> io_notif_data in the cmd cache line. Then we adapt io_alloc_notif() to
> use io_alloc_req()/io_alloc_req_refill(), and kill leftovers of hand
> coded caching. __io_notif_complete_tw() is converted to use io_uring's
> tw infra.
>
> [...]
Applied, thanks!
[1/1] io_uring/zc: notification completion optimisation
commit: fbe6f6bc3210e853aab74f20da776c15c5b052fe
Best regards,
--
Jens Axboe
