On Thu, 2017-08-24 at 18:58 +0200, hch@xxxxxx wrote: > On Thu, Aug 24, 2017 at 04:57:03PM +0000, Bart Van Assche wrote: > > Is something like the patch below perhaps what you had in mind? > > Yes. Except that I really don't like the sq naming - blk-mq can > also be used for single queues, so it's a rather confusing name > Something like legacy or old seems to be more suitable. Hello Christoph, Unless anyone prefers otherwise I will use "old" because the same word is already used in the device mapper to refer to legacy request processing code. Bart.