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SubjectRe: [PATCH 2/3] relay - make subbuf switch replaceable
On Tue, 23 Sep 2008 00:27:30 -0500
Tom Zanussi <> wrote:

> Make the relay sub-buffer switch code replaceable.
> With this patch, tracers now have complete control over the relay
> write (or reserve) path if they choose to do so, by implementing their
> own version of the sub-buffer switch function (switch_subbuf()), in
> addition to their own local write/reserve functions. Tracers who
> choose not to do so automatically default to the normal behavior.
> ...
> -EXPORT_SYMBOL_GPL(relay_switch_subbuf);
> +EXPORT_SYMBOL_GPL(switch_subbuf_default_callback);

It would be nice to keep the `relay_' prefix on the exported relay
interface? Something called `switch_subbuf_default_callback' could
belong to pretty much anywhere in the kernel.

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