----- Ursprüngliche Mail ----- > Von: "Christoph Hellwig" <hch@xxxxxxxxxxxxx> > An: "richard" <richard@xxxxxx> > On Thu, Aug 10, 2023 at 06:15:36PM +0200, Richard Weinberger wrote: >> >> The followup patches in this series will switch to kmap_sg() >> >> and we can remove our own helper and the bounce buffer. >> > >> > Please just use kmap_local and avoid the bounce buffering. >> >> Patch 6 does this. > > 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. Thanks, //richard
