page forking

Raymond Jennings shentino at
Thu Feb 26 16:27:26 PST 2015

On Mon, 2015-02-16 at 19:20 +0900, OGAWA Hirofumi wrote:
> Raymond Jennings <shentino at> writes:
> > I'm a bit curious about page forking.
> >
> > What exactly is it, how useful is it outside of tux3, and how easy
> > will it be to merge into the mainline?
> It is possible to try though. I'm still busy to implement other tux3
> codes. (Working on better fsync/sync)

I would honestly suggest working on pageforking first.  Once it's merged
you can play with the other stuff.

> > If it's useful for more than just tux3 I think it should be merged as
> > a separate patch.
> For now, it is low priority for me. Because FS needs to some rewrite to
> use page fork model, and it will take long time discussion/flames to
> merge. (There were some discussions on lkml in past.)

If page forking is beneficial to more than just tux3, I suggest merging
that first and then working on getting tux3 merged.  Since tux3 depends
on page forking.

I'd have to agree with them that it should be merged separately.

Either that or find a way for tux3 to not depend on page forking.

> Well, I guess, the way to merge is to prove the nearly complete good FS
> based on those infra to them, and works better than existing FSes.
> Thanks.

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