On Sat, 21 Jan 2023 07:57:48 +0100 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. > > Note that the shmem patches in here are non-trivial and need some > careful review and testing. How are we going with the review and testing. I assume that we're now OK on the runtime testing front, but do you feel that review has been adequate? Thanks.
