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    SubjectRe: [PATCH] Replace completions with semaphores
    Am Mittwoch, 16. April 2008 18:16:52 schrieb Matthew Wilcox:
    > The basic idea is that you get back a cookie from the kcounter_claim()
    > which you have to hand to the kcounter_release() function so it
    > knows which one you released.  It's similar to mutex debugging except

    So in addition to the kcounter we need to save a token in a data structure?
    In fact, there must be a data structure that can house that token. So you
    can no longer live with a pointer just to a device descriptor, but every
    individual use of a resource must have an associated data structure?


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