Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote: > Cachefiles was relying on wait_page_key and wait_bit_key being the > same layout, which is fragile. Now that wait_page_key is exposed in > the pagemap.h header, we can remove that fragility > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Acked-and-tested-by: David Howells <dhowells@xxxxxxxxxx> I wonder if this could be pushed directly to Linus now since we're relying on two different structs being compatible.