On Tue, Jun 22, 2021 at 01:15:41PM +0100, Matthew Wilcox (Oracle) wrote: > The pointers stored in the page cache are folios, by definition. > This change comes with a behaviour change -- callers of readahead_folio() > are no longer required to put the page reference themselves. This matches > how readpage works, rather than matching how readpages used to work. The way this stores and retrieves different but compatible types from the same xarray is a little nasty. But I guess we'll have to live with it for now, so: Reviewed-by: Christoph Hellwig <hch@xxxxxx>
