There's always good old stat() for browsers that want to synchronise.
Not 100% reliable, but considered acceptable for this sort of thing.
The poll() tests are essentially only a hint anyway.
> And if there are many fd's on
> many hosts, how do they get their Modified and Serial
> numbers synced to the remote NFS files?
The numbers and flags are local. Remote modification is detected using
the normal NFS ->revalidate() checks just like any other fs.
It's only for ext2 that I'd propose _storing_ the data.
-- Jamie
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