[PATCH] nvme: remove support or stream based temperature hint

[Christoph Hellwig]

On Thu, Mar 03, 2022 at 07:50:05AM -0700, Jens Axboe wrote:
> > And without nvme, there doesn't appear to be a real user for the
> > write_hint anymore. All you can really do with it now is prevent
> > merging, which doesn't seem useful.
> >
> 
> Yes, I would suggest that we just prune the write hint and just leave
> the fcntl() ops as stubs as a followup patch.

So we need to keep i_write_hint anyway for f2fs, but the block layer
removal is easy.  It has some conflicts with other work, what tree
would you like it against?