__fwalk mutex problem

[Hans-Erik Floryd]

Jeff Johnston skrev:
> I had created a patch for another user to try out, but they didn't 
> report any success.  If you would like to try it out, see the attached 
> patch.  What it does is ensure that we always lock the sfp lock before 
> any file locks.  If you find any problems, feel free to let me know.

We'll try the patch. A testcase for forcing the deadlock would be 
useful? Do you have one?

Cheers,
  Hans-Erik