On 03/12/19 15:28, Kevin Wolf wrote:
>> * It's possible to argue against this and personally I'm not that
>> convinced by stubs for this scenario.  But io_uring.o should be
>> consistent with how things work today with linux-aio.o.  If you feel
>> strongly against having stubs then the linux-aio.o stubs should also be
>> removed (see commit c2b38b277a788).
> I don't really like having block-specific things like Linux AIO or
> io_uring in util/async.c, but given that they have per-AioContext state,
> it's not clearly wrong either.

A good reason to have AioContext in util/async.c is that nowadays Linux
supports poll() via the AioContext ring too, and that would allow doing
busy polling of network sockets.

Paolo