Re: [PATCH v2 0/2] io-wq sharing

Jens Axboe
2020-01-28T00:29:24Z

On 1/27/20 5:15 PM, Pavel Begunkov wrote:
> rip-off of Jens io-wq sharing patches allowing multiple io_uring
> instances to be bound to a single io-wq. The differences are:
> - io-wq, which we would like to be shared, is passed as io_uring fd
> - fail, if can't share. IMHO, it's always better to fail fast and loud
>
> I didn't tested it after rebasing, but hopefully won't be a problem.
>
> p.s. on top of ("io_uring/io-wq: don't use static creds/mm assignments")

Applied with the following changes:

- Return -EINVAL for invalid ringfd when attach is specified
- Remove the wq_fd check for attach not specified

Tested here, works for me. Pushing out the updated test case.

--
Jens Axboe