Would the right way to handle such files be to use the
FUSE filesystem (when it's done) to hide them from
apps?
On the one hand it sidesteps the problem, but as
a recent blog post by Microsoft's Raymond Chen
http://blogs.msdn.com/oldnewthing/archive/2008/04/14/8389268.aspx
shows, it IS possible to get into this kind of problem
in Windows too.
---
Chris