Re: Can O_SYNC be implemented by using fsync?

From: Peter Rival (frival@zk3.dec.com)
Date: Thu May 18 2000 - 08:08:39 EST


"Stephen C. Tweedie" wrote:

> Hi,
>
> On Tue, May 16, 2000 at 12:19:53PM +0100, Alan Cox wrote:
> >
> > If our fsync was efficient then yes. Its possibly a good argument for sorting
> > out an inode->dirty buffer/page list. That would speed up fsync and make
> > O_SYNC easy to fix
>
> I've done it --- it got ignored at the time, but I'll resurrect the
> patch.
>
> Linus's argument at the time was "well, do we need it, or is fsync
> fast enough now?" If anyone is prepared to put performance numbers
> on it, now is the time to put your paws in the air. :-)
>

I suppose I should say "arf". ;) As long as whatever you're patching against will
boot on my ES40, I'll be able to toss back bonnie and AIM numbers. I'd do TPC,
but we still don't have an Alpha/Linux Oracle or Informix. :( Any other numbers
you'd like?

 - Pete

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