[PATCH 4/5] nvme: split out metadata vs non metadata end_io uring_cmd completions

[Christoph Hellwig]

On Fri, Sep 23, 2022 at 02:52:54PM -0600, Jens Axboe wrote:
> For both of these, how about we just simplify like below? I think
> at that point it's useless to name them anyway.

I think this version is better than the previous one, but I'd still
prefer a non-anonymous union.