On Fri, Sep 15, 2017 at 10:06:24AM +0200, Miklos Szeredi wrote: > or some way to have a shared page > cache that's breakable on copy up, which does not look trivial at all. If we get that, it will come through overlay using reflink for copyup and filesystems doing the page cache sharing of multiply referenced data blocks. I don't see overlay being involved in this functionality at all.... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx
