Re: [PATCH v2] f2fs: another way to set large folio by remembering inode number

[Christoph Hellwig <hch@infradead.org>]

On Wed, Apr 15, 2026 at 06:15:46PM +0100, Matthew Wilcox wrote:
> On Wed, Apr 15, 2026 at 04:44:04PM +0000, Jaegeuk Kim wrote:
> > On 04/14, Christoph Hellwig wrote:
> > > Please add the relevant mailing lists when adding new user interfaces.
> > > 
> > > And I'm not sure hacks working around the proper large folio
> > > implementation are something that should be merged upstream.
> > 
> > Cc'ed linux-api and linux-fsdevel onto the patch thread with a proposal that
> > I'm not sure it's acceptable or not. 
> 
> You haven't sent a proposal.  This is a reply to a reply to a reply of a
> patch.  There's no justification for why f2fs is so special that it
> needs this.  What the hell is going on?  You know this is not the way to
> get code merged into Linux.

None of this got properly answers, and this broken interface now landed
in linux-next. IT is offloading a user.* xattr which is free-form
user data with semantics that are weird to say it very nicely.

All this was done against the advice in the mailing list discussion.

I think at some point we just need to stop taking f2fs updates likes
this.