On Sun, Jun 07, 2020 at 03:35:36AM -0700, Matthew Wilcox wrote: > From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> > > Widen the type used for counting the number of bytes unshared. Looks good, although at least for XFS we can't have that large extents anyway: Reviewed-by: Christoph Hellwig <hch@xxxxxx>