Re: [PATCH v2] locks: eliminate false positive conflicts for write lease

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On Thu, Jun 13, 2019 at 5:08 PM J . Bruce Fields <bfields@xxxxxxxxxxxx> wrote:
>
> On Thu, Jun 13, 2019 at 04:28:49PM +0300, Amir Goldstein wrote:
> > On Thu, Jun 13, 2019 at 4:22 PM Jeff Layton <jlayton@xxxxxxxxxx> wrote:
> > > Looks good to me. Aside from the minor nit above:
> > >
> > >     Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
> > >
> > > I have one file locking patch queued up for v5.3 so far, but nothing for
> > > v5.2. Miklos or Bruce, if either of you have anything to send to Linus
> > > for v5.2 would you mind taking this one too?
> > >
> >
> > Well. I did send a fix patch to Miklos for a bug introduced in v5.2-rc4,
> > so...
>
> I could take it.  I've modified it as below.
>
> I'm very happy with the patch, but not so much with the idea of 5.2 and
> stable.
>
> It seems like a subtle change with some possibility of unintended side
> effects.  (E.g. I don't think this is true any more, but my memory is
> that for a long time the only thing stopping nfsd from giving out
> (probably broken) write delegations was an extra reference that it held
> during processing.) And if the overlayfs bug's been there since 4.19,
> then waiting a little longer seems OK?
>

Getting back to this now that the patch is on its way to Linus.
Bruce, I was fine with waiting to 5.3 and I also removed CC: stable,
but did you mean that patch is not appropriate for stable or just that
we'd better wait a bit and let it soak in master before forwarding it to stable?

Thanks,
Amir.



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