jls, jexec support

[Joerg Sonnenberger]

On Mon, Jan 31, 2005 at 08:56:40AM -0800, Matthew Dillon wrote:
>     Yes, generating a path from a namecache pointer is triival.  Just 
>     recurse up through the parent pointers and pull out the segment names
>     from the namecache structures encountered, with one or two special cases
>     when crossing mount points.  So in your patch set you can tell
>     nlookup_init() to get the path directly from user space and not copy
>     it anywhere.

OK, sounds good. I'll split vn_fullpath and use that. pr_path can go away.
I can depend on the namecache entry staying?

Joerg