Re: [ISSUE] The time cost of IOSQE_IO_LINK

Jens Axboe
2020-02-14T02:45:46Z

On 2/13/20 6:25 PM, Carter Li 李通洲 wrote:
> Another suggestion: we should always try completing operations inline
> unless IOSQE_ASYNC is specified, no matter if the operations are preceded
> by a poll.

Yes that's a given, the problem is that the poll completion is run
inside the waitqueue handler, and with that locked and interrupts
disabled. So it's not quite that easy, unfortunately.

--
Jens Axboe