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Von: "Christoph Hellwig" hch@infradead.org An: "richard" richard@nod.at 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