Re: [PATCH 1/1] io_uring/waitid: don't abuse io_tw_state

[Jens Axboe <axboe@kernel.dk>]

On 2/12/25 6:33 AM, Pavel Begunkov wrote:
> struct io_tw_state is managed by core io_uring, and opcode handling code
> must never try to cheat and create their own instances, it's plain
> incorrect.
> 
> io_waitid_complete() attempts exactly that outside of the task work
> context, and even though the ring is locked, there would be no one to
> reap the requests from the defer completion list. It only works now
> because luckily it's called before io_uring_try_cancel_uring_cmd(),
> which flushes completions.

Applied, thanks.

-- 
Jens Axboe