Re: RFC: iomap write invalidation

Darrick J. Wong
2020-07-21T15:05:13Z

On Tue, Jul 21, 2020 at 04:53:13PM +0200, Christoph Hellwig wrote:
> On Mon, Jul 20, 2020 at 04:51:25PM -0500, Goldwyn Rodrigues wrote:
> > Hi Christoph,
> >
> > On 9:46 13/07, Christoph Hellwig wrote:
> > > Hi all,
> > >
> > > this series has two parts: the first one picks up Dave's patch to avoid
> > > invalidation entierly for reads, picked up deep down from the btrfs iomap
> > > thread. The second one falls back to buffered writes if invalidation fails
> > > instead of leaving a stale cache around. Let me know what you think about
> > > this approch.
> >
> > Which kernel version are these changes expected?
> > btrfs dio switch to iomap depends on this.
>
> No idea. Darrick, are you ok with picking this up soon so that
> Goldwyn can pull it in?

Yes; I was nearly about to ping you to see if you were going to have
time to push out a corrected patch 2 in time for ... 5.9? 5.10?

--D