It's a really annoying proxy to determine the default configuration :(. There's plenty devices with multiple channels that benefits from the increased merging p

It's a really annoying proxy to determine the default configuration :(. There's plenty devices with multiple channels that benefits from the increased merging possible with a scheduler - particularly around writes, where a lot of consumer SSDs are weak. And conversely, there's plenty workloads on single queue devices that are hurt by the scheduler and some of the other heuristics that trigger for single queue devices...