On 10/02/2020 23:56, Jens Axboe wrote:
> As mentioned in the previous email, here are the three patches that add
> support for multiple waitqueues for polling with io_uring.
> 
> Patches 1-2 are just basic prep patches, and should not have any
> functional changes in them. Patch 3 adds support for allocating a new
> io_poll_iocb unit if we get multiple additions through our queue proc
> for the wait queues. This new 'poll' addition is queued up as well, and
> it grabs a reference to the original poll request.
> 
> Please do review, would love to get this (long standing) issue fixed as
> it's a real problem for various folks.
> 

I need to dig a bit deeper into poll to understand some moments, but there is a
question: don't we won't to support arbitrary number of waitqueues then?

-- 
Pavel Begunkov