On Tue, 16 Nov 2021, Christoph Hellwig wrote: > I'd really much prefer the variant we discussed before where > swap I/O uses it's own method instead of overloading the normal > file I/O path all over. > > This would be David Howells' "mm: Use DIO for swap and fix NFS swapfiles" series? I'd be very happy to work with that once it lands. I might try it out and see how two work together. Thanks, NeilBrown