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

[Yangtao Li]

Hi,

> Thanks for reviewing this.  I think the real solution to this is
> that f2fs should be using large folios.  That way, the page cache
> will keep track of dirtiness on a per-folio basis, and if your folios
> are at least as large as your cluster size, you won't need to do the
> f2fs_prepare_compress_overwrite() dance.  And you'll get at least fifteen
> dirty folios per call instead of fifteen dirty pages, so your costs will
> be much lower.
>
> Is anyone interested in doing the work to convert f2fs to support
> large folios?  I can help, or you can look at the work done for XFS,
> AFS and a few other filesystems.

Seems like an interesting job. Not sure if I can be of any help.
What needs to be done currently to support large folio?

Are there any roadmaps and reference documents.

Thx,
Yangtao