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    SubjectRe: [PATCH 1/19] MUTEX: Introduce simple mutex implementation
    Alan Cox writes:
    > Actually a PS to this while I think about it. spin_locks and mutex type
    > locks could both do with a macro for
    >
    > call_locked(&lock, foo(a,b,c,d))

    reiser4 code was publicly humiliated for such macros, but indeed they
    are useful. The only problem is that one needs two macros: one for foo()
    returning void and one for all other cases.

    >
    > to cut down on all the error path forgot to release a lock type errors.
    >

    Nikita.
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