Re: [PATCH v2 0/2] Optimise io_uring completion waiting

[Peter Zijlstra]

On Tue, Sep 24, 2019 at 12:34:17PM +0200, Jens Axboe wrote:

> Just took a quick look at it, and ran into block/kyber-iosched.c that
> actually uses the private pointer for something that isn't a task
> struct...

Argh... that's some 'creative' abuse of the waitqueue API :/