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SubjectRe: Fix unlock_buffer() to work the same way as bit_unlock()
On Wed, 29 Mar 2006, Nick Piggin wrote:

> However, I think it might be reaonsable to use bit lock operations for
> in places like page lock and buffer lock (ie. with acquire and relese
> semantics). It improves ia64 without harming other architectures, and
> also makes the code more expressive.

How would be express the acquire and release semantics?
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