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SubjectRe: [PATCH 11/12] rwsem: wake all readers when first waiter is a reader

* 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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