Re: [PATCH 01/18] fs: add an iopoll method to struct file_operations

[Christoph Hellwig <hch@xxxxxx>]

On Wed, Jan 23, 2019 at 08:35:12AM -0700, Jens Axboe wrote:
> TODO: we can probably union ki_cookie with the existing hint and I/O
> priority fields to avoid struct kiocb growth.

Please kill this comment.  While this should be doable the semantics
would be a bit nasty, so unless we have to I'd rather skip this work
for now.