On Thu, Apr 11, 2013 at 12:52:03PM -0700, Tejun Heo wrote: > If this becomes an actual bottleneck, the right thing to do is making > css ref per-cpu. Please stop messing around with refcounting. If you think this kind of hackery is acceptable, you really need to re-evaluate your priorities in making engineering decisions. In tightly coupled code, maybe, but you're trying to introduce utterly broken error-prone thing as a generic block layer API. I mean, are you for real? -- tejun -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel