Jens Axboe <axboe@xxxxxxxxx> writes:
> 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.
That was not intended. The next version of the patch will restore the
previous order.
