On Fri, Jan 04, 2019 at 07:19:38PM +0100, Christoph Hellwig wrote: > I can't say I am a huge fan of the complex callback. If we just made > the number of read vs write queues a factor instead of invidual > scalar numbers we could just handle this in the irq code without > the callback, and the concept might actually be understandable by > mere humans.. Okay, we could express this as a ratio. I'll explore that path a bit more.