Messages in this thread | | | Date | Mon, 11 Mar 2013 08:50:18 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 11/12] rwsem: wake all readers when first waiter is a reader |
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* Dave Chinner <david@fromorbit.com> wrote:
> So, that's my concern - we've got 20 years of algorithms in XFS designed > around rwsem write locks providing read-side barriers, and it's been > down this road once before (over 15 years ago). [...]
We are certainly not going to break reader/writer fairness - that's a must for any generic, long-held reader-writer locking mechanism.
Thanks,
Ingo
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