Re: Prevent busy looping

[Alan Cox]

> Elias's synthetic test case triggered infinite loop because it wasn't
> a proper ->qc_defer().  ->qc_defer() should never defer commands when
> the target is idle.

Target or host ? We *do* defer commands in the case of an idle channel
when dealing with certain simplex controllers that can only issue one
command per host not one per cable (and in fact in the general case we
can defer commands due to activity on the other drive on the cable).

Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/