Re: [PATCH 12/22] elevate write count files are open()ed

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> On Tue, 13 Feb 2007 08:58:16 -0800 Dave Hansen <[email protected]> wrote:
> > yipes.  A new mount-wide spin_lock/unlock for each for-writing open() and close().
> > Can we have a microbenchmark on this please?
> 
> Yeah, I'll schedule some dbench time on a NUMA machine.

dbench doesn't do open() a lot.  To assess the worst-case we'd need one
process per cpu camping in an open/close loop.
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