Pagecache
~~~~~~~~~
-For filesystems using Linux's pagecache, the ``->readpage()`` and
+For filesystems using Linux's pagecache, the ``->read_folio()`` and
``->readahead()`` methods must be modified to verify pages before they
are marked Uptodate. Merely hooking ``->read_iter()`` would be
insufficient, since ``->read_iter()`` is not used for memory maps.