Re: [RFC] relaxed barrier semantics

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On Sat 31-07-10 11:12:46, Christoph Hellwig wrote:
> On Sat, Jul 31, 2010 at 02:47:57AM +0200, Jan Kara wrote:
> > > There is a few caes where we could do that - the fsync without metadata
> > > changes above would be the prime example.  But there's a lot lower
> > > hanging fruit until we get to the point where it's worth trying.
> >   Umm, I don't understand you. I think that fsync in particular is an
> > example where you have to wait and issue cache flush if the drive has
> > volatile write cache.
> 
> Of course.  What makes you believe anyone said something else?
  Ok, then I just misunderstood which requests you wanted to send ORDERED.
Never mind, I think we agree on what needs to / can be done.

								Honza

-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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