On Sun, Jun 05, 2022 at 08:38:47PM +0100, Matthew Wilcox (Oracle) wrote: > If the folio is large, it may overlap the beginning or end of the > unused range. If it does, we need to avoid invalidating it. It's never going to be larger for ext4, is it? But either way, those precautions looks fine. Reviewed-by: Christoph Hellwig <hch@xxxxxx>