On Tue, Jun 07, 2022 at 09:36:21AM +0200, David Hildenbrand wrote:
> On 06.06.22 22:40, Matthew Wilcox (Oracle) wrote:
> > const struct address_space_operations balloon_aops = {
> > - .migratepage = balloon_page_migrate,
> > + .migrate_folio = balloon_migrate_folio,
> > .isolate_page = balloon_page_isolate,
> > .putback_page = balloon_page_putback,
> > };
>
> I assume you're working on conversion of the other callbacks as well,
> because otherwise, this ends up looking a bit inconsistent and confusing :)
My intention was to finish converting aops for the next merge window.
However, it seems to me that we goofed back in 2016 by merging
commit bda807d44454. isolate_page() and putback_page() should
never have been part of address_space_operations.
I'm about to embark on creating a new migrate_operations struct
for drivers to use that contains only isolate/putback/migrate.
No filesystem uses isolate/putback, so those can just be deleted.
Both migrate_operations & address_space_operations will contain a
migrate callback.
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