On Wed, Jul 28, 2021 at 08:37:45AM +1000, NeilBrown wrote: > We can enhance nfsd to understand that some automounts can be managed. > "internal mounts" where a filesystem provides an automount point and > mounts its own directories, can be handled differently by nfsd. > > This series addresses all these issues. After a few enhancements to the > VFS to provide needed support, they enhance exportfs and nfsd to cope > with the concept of internal mounts, and then enhance btrfs to provide > them. I'm half asleep right now; will review and reply in detail tomorrow. The first impression is that it's going to be brittle; properties of mount really should not depend upon the nature of mountpoint - too many ways for that to go wrong. Anyway, tomorrow...
