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SubjectRe: [Patch RFC 24/37] xfs: semaphore cleanup
On Sun, Jul 26, 2009 at 08:19:03AM -0000, Thomas Gleixner wrote:
> bp->b_sema claims to be a mutex, but it is a semaphore with non
> obvious semantics. Make it a real semaphore.

It is a binary mutex in the classical CS sense, just not unlocked by
the same thread as expected by the Linux mutexes..

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