Messages in this thread | | | Subject | Re: Linux Buffer Cache Does Not Support Mirroring | Date | Tue, 2 Nov 1999 17:56:26 +0000 (GMT) | From | Alan Cox <> |
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> I looked at the brw_page code. While everyone calls this an "async" > interface, in fact, it uses the same semantic as a sync interface and > does not allow support for callbacks.
Its a function pointer. What else do you need other than passing a parameter void * or similar to get more flexibility.
You can use the callback to wake a thread, you can schedule a task after IRQ completion, you can do stuff directly on the IRQ callback if you are careful about deadlocks.
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