Re: fb_defio and page->mapping

2024-01-25 Thread Daniel Vetter
On Tue, Jan 23, 2024 at 05:20:55PM +, Matthew Wilcox wrote: > We're currently trying to remove page->mapping from the entire kernel. > This has me interested in fb_defio and since I made such a mess of it > with commits ccf953d8f3d6 / 0b78f8bcf495, I'd like to discuss what to > do before diving

fb_defio and page->mapping

2024-01-23 Thread Matthew Wilcox
We're currently trying to remove page->mapping from the entire kernel. This has me interested in fb_defio and since I made such a mess of it with commits ccf953d8f3d6 / 0b78f8bcf495, I'd like to discuss what to do before diving in. Folios continue to have a mapping. So we can effectively do page_