Re: [PATCH] f2fs: Support enhanced hot/cold data separation for f2fs

From: Matthew Wilcox
Date: Fri Jan 26 2024 - 16:01:27 EST


On Thu, Jan 25, 2024 at 12:54:47PM -0800, Luis Chamberlain wrote:
> On Thu, Jan 25, 2024 at 08:47:39PM +0000, Matthew Wilcox wrote:
> > On Wed, Dec 07, 2022 at 12:51:13PM -0800, Luis Chamberlain wrote:
> > > Me and Pankaj are very interested in helping on this front. And so we'll
> > > start to organize and talk every week about this to see what is missing.
> > > First order of business however will be testing so we'll have to
> > > establish a public baseline to ensure we don't regress. For this we intend
> > > on using kdevops so that'll be done first.
> > >
> > > If folks have patches they want to test in consideration for folio /
> > > iomap enhancements feel free to Cc us :)
> > >
> > > After we establish a baseline we can move forward with taking on tasks
> > > which will help with this conversion.
> >
> > So ... it's been a year. How is this project coming along? There
> > weren't a lot of commits to f2fs in 2023 that were folio related.
>
> The review at LSFMM revealed iomap based filesystems were the priority
> and so that has been the priority. Once we tackle that and get XFS
> support we can revisit which next fs to help out with. Testing has been
> a *huge* part of our endeavor, and naturally getting XFS patches up to
> what is required has just taken a bit more time. But you can expect
> patches for that within a month or so.

Is anyone working on the iomap conversion for f2fs?