On Sat, 11 Oct 2008 17:44:13 +0200 James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote: > > > So we need something a bit more involved, but not too complex. A > > fine line... > > It's a policy ... just let userspace do it so the user can tune it. > That's what EMC does now (except I think they key of inquiry strings > rather than cache size). while the chosen elevator obviously is policy, the kernel really should pick a sensible default based on what it knows. Lets put it this way: if userland needs to do a tuning to the kernel based on data only provided by the kernel, and will always do it the same way, we should have made that choice the default policy in the kernel in the first place. -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
