----- Ursprüngliche Mail ----- > Von: "Christoph Hellwig" <hch@xxxxxxxxxxxxx> > On Thu, Aug 10, 2023 at 09:54:46PM +0200, Richard Weinberger wrote: >> > But why add the bounce buffering first if you can avoid it from the >> > very beginning by just using kmap_local instead of adding a new >> > caller for the deprecate kmap_atomic? >> >> Because I want this fix also in all stable trees. kmap_local() is rather >> new. When back porting patch 1/7, bounce buffers and kmap_atomic() >> are needed anyway. >> By doing this in patch 1/7 I avoid backport troubles and keep the >> delta between upstream and stable trees minimal. > > Just use plain kmap for the historic backports. Hm, yes. For UBIblock kmap should be too expensive. Thanks, //richard
