On 11/21/22 10:29 AM, Stefan Roesch wrote:
> This adds an api to register the busy poll timeout from liburing. To be
> able to use this functionality, the corresponding liburing patch is needed.
>
> Signed-off-by: Stefan Roesch <shr@xxxxxxxxxxxx>
> ---
> include/linux/io_uring_types.h | 2 +-
> include/uapi/linux/io_uring.h | 11 +++++++
> io_uring/io_uring.c | 54 ++++++++++++++++++++++++++++++++++
> 3 files changed, 66 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
> index 23993b5d3186..67b861305d97 100644
> --- a/include/linux/io_uring_types.h
> +++ b/include/linux/io_uring_types.h
> @@ -274,8 +274,8 @@ struct io_ring_ctx {
> struct list_head napi_list; /* track busy poll napi_id */
> spinlock_t napi_lock; /* napi_list lock */
>
> - unsigned int napi_busy_poll_to; /* napi busy poll default timeout */
> bool napi_prefer_busy_poll;
> + unsigned int napi_busy_poll_to;
> #endif
Why is this being moved? Seems unrelated, and it actually creates another
hole rather than filling one as it did before.
--
Jens Axboe
