Re: mmap over nfs leads to excessive system load

On Wed, 2005-11-16 at 13:41 -0800, Kenny Simpson wrote:
> --- Trond Myklebust <[email protected]> wrote:
> > 
> > Is this NFSv2?
> > 
> > Cheers,
> >   Trond
> > 
> This is reproducible with O_DIRECT, but not without.

I'm getting lost here. Please could you spell out the testcases that are
not working.

Are you saying that the combination mmap() + pwrite64() fails on
O_DIRECT, but works on ordinary open, and that mmap() + ftruncate64()
always works?

Cheers,
  Trond

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