[lustre-devel] staging: lustre: One function call less in class_register_type() after error detection

SF Markus Elfring elfring at users.sourceforge.net
Wed Jul 27 22:53:18 PDT 2016

> This function is called several times during lustre module insert.
> Namely it's called 5 times for 5 types:
> osc, mdc, lov, lmv, mgc.

Will any extra memory accesses matter for the successful execution
in this use case?

> It's not called any more than that, so it's not exactly a super hot-path function
> to overoptimize it, and the failure is presumed to never happen too
> (or the module would be non-functional).

Did the assignment for the local variable "rc" with a well-known error code
influence the run-time characteristics in unwanted ways?


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