Messages in this thread | | | From | Linus Torvalds <> | Date | Tue, 7 Feb 2012 14:34:48 -0800 | Subject | Re: [patch]block: fix ioc locking warning |
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On Mon, Feb 6, 2012 at 9:22 PM, Shaohua Li <shaohua.li@intel.com> wrote: > On Mon, 2012-02-06 at 16:59 -0800, Tejun Heo wrote: >> * Test with the this_q != locked_q trylock patch. > this one slightly reduces the regression. without it, the regression is > about 17%, with it, the regression is about 12%. Test result is stable.
What happens when you remove the fast-case entirely?
See the other patch by Tejun with the subject "[PATCH] block: strip out locking optimization in put_io_context()"
Linus
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