meaning of struct stat "st_dev" for NFS mounted filesystem?

[Rich Geiger]

What are the semantics of "st_dev" for an NFS mounted filesystem?  Is
there a good, cheap, elegant, and environmentally sound way to map the
st_dev for such a filesystem into a network-wide unique filesystem
identifier of some sort (like, even, "hostname:/dev/xyzzyd0z")?

I must confess that I haven't put much thought or FM RTing into this
on my own yet, but any hints to point me in the right direction and
prevent wheel reinvention would be appreciated nearly to the point of
excess.






-- 
 - Rich Geiger
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