Date: Thu, 29 Dec 2005 17:58:11 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Christoph Hellwig <hch@infradead.org>,
       Jes Sorensen <jes@trained-monkey.org>, Christoph Hellwig <hch@lst.de>,
       linux-kernel@vger.kernel.org, torvalds@osdl.org
Subject: Re: [patch] updates XFS mutex patch
Message-ID: <20051229165811.GA23502@elte.hu>
References: <yq0zmmktbhk.fsf@jaguar.mkp.net> <20051229144824.GC18833@infradead.org>
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* Christoph Hellwig <hch@infradead.org> wrote:

> It's say just switch XFS to the one-arg mutex_init variant.
> 
> And ingo. please add the mutex_t typedef, analogue to spinlock_t it's 
> a totally opaqueue to the users type, so it really should be a 
> typedef.  After that the XFS mutex.h can just go away.

that's not possible, due to DEFINE_MUTEX() and due to struct mutex being 
embedded in other structures. I dont think we want to lose that property 
of struct semaphore, and only restrict mutex usage to pointers.

	Ingo
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