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    SubjectRe: [patch] updates XFS mutex patch
    On Thu, Dec 29, 2005 at 05:58:11PM +0100, Ingo Molnar wrote:
    >
    > * 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.

    Sorry, but I don't get this sentence at all. Can you try to rephrase it?
    What does DEFINE_MUTEX have to do with declaring either a typedef or
    structure?
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