Re: [patch] smptimers, old BH removal, tq-cleanup, 2.5.39

Christoph Hellwig (hch@sgi.com)
Mon, 30 Sep 2002 19:45:29 -0400


On Mon, Sep 30, 2002 at 06:38:03PM +0200, Ingo Molnar wrote:
> see the workqueues patch i posted a couple of minutes ago. Does this solve
> XFS's problems?

Not exactly. All your work on one queue is internally serialize. An
totally unserialized workqueue would be best for XFS.

> why is it ugly? I can add a simple interface to the workqueues subsystem
> that will bind the XFS worker threads to given sets of CPUs. That should
> give you per-CPU workqueues, with separate per-CPU locking.

That would also work, but would require more code in XFS than my
above suggestion.

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