On 11/15/18 1:30 AM, Christoph Hellwig wrote: >> Fixes: 82cb14175e7d ("xfs: add support for sub-pagesize writeback >> without buffer_heads") > > I've never seen line breaks in Fixes tags, is this really a valid format? Probably not, fixed in v2. > >> + /* >> + * At least migrate_page_move_mapping() assumes that pages with private >> + * data have their count elevated by 1. >> + */ > > I'd drop the "At least". Fixed in v2. > > Otherwise this looks fine to me: > > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Thanks! Thanks, Piotr