On Tue, Jul 23, 2013 at 11:45:13AM +0200, Ingo Molnar wrote: > Why not just try the delayed addition approach first? The spinning is time > limited AFAICS, so we don't _have to_ recognize those as writers per se, > only if the spinning fails and it wants to go on the waitlist. Am I > missing something? > > It will change patterns, it might even change the fairness balance - but > is a legit change otherwise, especially if it helps performance.
Be very careful here. Some people (XFS) have very specific needs. Walken and dchinner had a longish discussion on this a while back. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
