Re: [RFC 0/5] leverage completion cache for poll requests

[Pavel Begunkov <asml.silence@gmail.com>]

On 9/17/21 8:38 PM, Hao Xu wrote:
> 1st is a non-related code clean
> 2nd ~ 4th are fixes.

Looks only 3 and 4 are fixes. It's usually a good idea to send
fixes separately or place them first in the series, so can be
picked for-current / for-next. However, 1-2 are very simple,
maybe easier to leave as is.


> 5th is the the main logic, I tested it with an echo-server, both in
> single-shot mode and multishot mode poll, not much difference compared
> to code before with regard to req/s. But that may be resulted from my
> poor network knowledge, feel free to test it and leave comments.
> 
> Hao Xu (5):
>   io_uring: return boolean value for io_alloc_async_data
>   io_uring: code clean for io_poll_complete()
>   io_uring: fix race between poll completion and cancel_hash insertion
>   io_uring: fix lacking of EPOLLONESHOT
>   io_uring: leverage completion cache for poll requests
> 
>  fs/io_uring.c | 70 ++++++++++++++++++++++++++++++++++++++-------------
>  1 file changed, 53 insertions(+), 17 deletions(-)
> 

-- 
Pavel Begunkov