On Tue, Mar 7, 2023 at 4:07 PM Christoph Hellwig <hch@xxxxxx> wrote: > __filemap_get_folio and its wrappers can return NULL for three different > conditions, which in some cases requires the caller to reverse engineer > the decision making. This is fixed by returning an ERR_PTR instead of > NULL and thus transporting the reason for the failure. But to make > that work we first need to ensure that no xa_value special case is > returned and thus return the FGP_ENTRY flag. It turns out that flag > is barely used and can usually be deal with in a better way. Thanks for working on this cleanup; looking good at a first glance. Andreas
