Messages in this thread | | | Date | Fri, 27 Oct 2006 16:34:22 -0700 | From | Zach Brown <> | Subject | Re: [PATCH] dio: lock refcount operations |
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> zach.brown> The addition of the interrupt masking spin lock acquiry in > zach.brown> dio_bio_submit() looks alarming. This lock acquiry existed in > zach.brown> that path before the recent dio completion patch set. We > zach.brown> shouldn't expect significant performance regression from > zach.brown> returning to the behaviour that existed before the completion > zach.brown> clean up work. > > Are you going to quantify this at all? I think we should.
I could try to take a swing at it next week, sure.
Leaving it for Ken is pretty tempting, though :)
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