Re: NFS locking bug -- limited mtime resolution means nfs_lock() does not provide coherency guarantee

[Jeff Epler]

On Wed, Sep 13, 2000 at 02:53:02PM +0200, Trond Myklebust wrote:
> No. Things fall in and out of the inode cache all the time. That's a
> vicious circle that's going to lead to a lot of unnecessary traffic.

The traffic is not "unnecessary" if it's needed to work with today's NFS
servers and get correct results.  We need an absolute guarantee in nfs_lock()
that we won't read stale data, we need it when working with non-linux NFS
servers, and we need it today.

Jeff
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