David Howells wrote on Thu, Aug 27, 2020: > Christoph Hellwig <hch@xxxxxx> wrote: > > > FYI, a giant rewrite dropping support for existing consumer is always > > rather awkward. Is there any way you could pre-stage some infrastructure > > changes, and then do a temporary fscache2, which could then be renamed > > back to fscache once everyone switched over? > > That's a bit tricky. There are three points that would have to be shared: the > userspace miscdev interface, the backing filesystem and the single index tree. > > It's probably easier to just have a go at converting 9P and cifs. Making the > old and new APIs share would be a fairly hefty undertaking in its own right. While I agree something incremental is probably better, I have some free time over the next few weeks so will take a shot at 9p; it's definitely going to be easier. Should I submit patches to you or wait until Linus merges it next cycle and send them directly? I see Jeff's ceph patches are still in his tree's ceph-fscache-iter branch and I don't see them anywhere in your tree. -- Dominique
