Re: [PATCH v5 04/38] mm: Add folio_flush_mapping()

From: Andrew Morton
Date: Tue Jul 11 2023 - 12:02:07 EST


On Tue, 11 Jul 2023 03:33:42 +0100 Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:

> On Mon, Jul 10, 2023 at 04:17:27PM -0700, Andrew Morton wrote:
> > On Mon, 10 Jul 2023 21:43:05 +0100 "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> wrote:
> > > +static inline struct address_space *folio_flush_mapping(struct folio *folio)
> > > +{
> > > + if (unlikely(folio_test_swapcache(folio)))
> > > + return NULL;
> > > +
> > > + return folio_mapping(folio);
> > > +}
> >
> > The name makes it sound like it flushes something. Wouldn't
> > folio_flushable_mapping() be clearer?
>
> Yes; I wasn't a big fan of the name, but I wasn't a fan of perpetuating
> the page_file_mapping / page_mapping_file confusio either. Do you want
> me to send you a set of fixup patches, or will you run them through sed
> -i ? ;-)

I sedded.