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From:   Dan Williams <dan.j.williams@intel.com>
Date:   Tue, 21 Jan 2020 16:47:27 -0800
Message-ID: <CAPcyv4iPX4fDZGFwCkJxMDc-+1DjOMVZYVqnE=XTZpis6ZLFww@mail.gmail.com>
Subject: Re: [Lsf-pc] [LFS/MM TOPIC] fs reflink issues, fs online scrub/check, etc
To:     Matthew Wilcox <willy@infradead.org>
Cc:     "Darrick J. Wong" <darrick.wong@oracle.com>,
        linux-ext4 <linux-ext4@vger.kernel.org>,
        Amir Goldstein <amir73il@gmail.com>,
        Qu Wenruo <quwenruo.btrfs@gmx.com>,
        xfs <xfs@e29208.dscx.akamaiedge.net>,
        Steve French <smfrench@gmail.com>, ocfs2-devel@oss.oracle.com,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        lsf-pc@lists.linux-foundation.org,
        linux-btrfs <linux-btrfs@vger.kernel.org>
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On Tue, Jan 21, 2020 at 2:02 PM Matthew Wilcox <willy@infradead.org> wrote:
>
> On Tue, Jan 21, 2020 at 08:18:40AM -0800, Darrick J. Wong wrote:
> > On Tue, Jan 21, 2020 at 09:35:22AM +0200, Amir Goldstein wrote:
> > > On Tue, Jan 21, 2020 at 3:19 AM Qu Wenruo <quwenruo.btrfs@gmx.com> wrote:
> > > >
> > > > Didn't see the original mail, so reply here.
> > >
> > > Heh! Original email was from 2016, but most of Darrick's wish list is
> > > still relevant in 2020 :)
> >
> > Grumble grumble stable behavior of clonerange/deduperange ioctls across
> > filesystems grumble grumble.
> >
> > > I for one would be very interested in getting an update on the
> > > progress of pagecache
> > > page sharing if there is anyone working on it.
> >
> > Me too.  I guess it's the 21st, I should really send in a proposal for
> > *this year's* LSFMMBPFLOLBBQ.
>
> I still have Strong Opinions on how pagecache page sharing should be done
> ... and half a dozen more important projects ahead of it in my queue.
> So I have no update on this.

We should plan to huddle on this especially if I don't get an RFC for
dax-reflink support out before the summit.