On Fri, 2007-08-31 at 15:12 +0200, Frank van Maarseveen wrote:

quoted text
> IMHO I'd only consider returning EBUSY when trying to mount _exactly_
> the same directory with different flags, not for arbitrary subtrees. The
> client should preferably not be bothered with server side disk
> partitioning (at least not beyond the obvious such as df output).

That is utterly inconsistent and confusing too.

If you have a filesystem "/foo" exported on the server "remote", then
why should

        mount -oro remote:/foo
        mount -orw remote:/foo/a

be allowed, but

        mount -oro remote:/foo
        mount -orw remote:/foo

be forbidden? The caching problems are the same. Telling the admin that
one is safe and the other is not, is just messing with his mind.

Trond

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