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Re: [PATCH] aio-posix: fix io_uring with external events

From: Stefan Hajnoczi
Subject: Re: [PATCH] aio-posix: fix io_uring with external events
Date: Mon, 23 Mar 2020 11:05:53 +0000

On Thu, Mar 19, 2020 at 04:35:59PM +0000, Stefan Hajnoczi wrote:
> When external event sources are disabled fdmon-io_uring falls back to
> fdmon-poll.  The ->need_wait() callback needs to watch for this so it
> can return true when external event sources are disabled.
> It is also necessary to call ->wait() when AioHandlers have changed
> because io_uring is asynchronous and we must submit new sqes.
> Both of these changes to ->need_wait() together fix tests/test-aio -p
> /aio/external-client, which failed with:
>   test-aio: tests/test-aio.c:404: test_aio_external_client: Assertion 
> `aio_poll(ctx, false)' failed.
> Reported-by: Julia Suvorova <address@hidden>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
>  util/fdmon-io_uring.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)

Thanks, applied to my block tree:


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