Re: [PATCH 11/12] rwsem: wake all readers when first waiter is areader

[Ingo Molnar]

* Dave Chinner <david@xxxxxxxxxxxxx> 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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