On Fri, Jan 13, 2017 at 12:39:12PM -0500, J. Bruce Fields wrote: > If we're going to reject patches that don't implement get_parent (and I > think we should), then we should replace "optional but strongly > recommended" there by just "mandatory". Any objections?
In theory yes - we'll just need an exception (or dummy implementation) for in-memory file systems like tmpfs.

