On Tue, Jan 24, 2023 at 05:18:07AM -0800, Christoph Hellwig wrote: > On Tue, Jan 24, 2023 at 09:13:30AM -0400, Jason Gunthorpe wrote: > > Yeah, I already wrote a similar patch, using the 1<< notation, > > splitting the internal/external, and rebasing on the move to > > mm_types.. I can certainly drop that patch if we'd rather do this. > > Given that you are doing more work in that area it might be best > to drop this patch from this series. > > > Though, I'm not so keen on using FOLL_ internal flags inside the block > > layer.. Can you stick with the BIO versions of these? > > The block layer doesn't really use it - the new helper in iov_iter.c > returns it, and the block layer instantly turns it into an internal > flag. But maybe it should just return a bool pinned (by reference) > now? Yes, a bool flag to the new mm helper instead of a FOLL_* seems good to me Thanks, Jason