Re: [Lse-tech] Re: Lockmeter Analysis of 2 DDs
Christoph Hellwig (hch@ns.caldera.de)
Fri, 7 Sep 2001 17:53:24 +0200
On Fri, Sep 07, 2001 at 10:47:37AM -0500, Peter Wong wrote:
> Indeed, io_request_lock is very hot once the bounce buffers were
> eliminated. Is anyone working on a patch for the io_request_lock that
> possibly take the global lock and splits it into a per device queue lock?
> We understand that getting this patch into 2.4 is unlikely, but it would
> be nice to have this patch available on 2.4 for experimental purposes.
ftp://ftp.kernel.org/pub/linux/kernel/people/axboe/v2.5/
Christoph
--
Of course it doesn't work. We've performed a software upgrade.
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