On Wed, May 09, 2018 at 08:23:00AM -0600, Jens Axboe wrote:
> Streams is essentially the only thing ki_hint is currently used for,
> with the write life time hints mapping to a stream. The idea for the
> user side API was to have other things than just write life time hints.
>
> Since Adam wants to do priorities, he'd either need to pack into the
> existing ki_hint, or do this patch does, which is make it smaller and
> add a new member. I think the latter is cleaner.
Fair enough; but maybe we can use a u8 instead of a u16? 65,535
priorities still seem like way more than would ever make sense. I
think 256 priorities is still way to many, but it's simpler while
still reserving number of bits for future se.
- Ted
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