On Fri, Apr 23, 2021 at 03:05:58PM -0700, Keith Busch wrote: > The block layer knows how to deal with polled requests. Let the NVMe > driver use the previously reserved user "flags" fields to define an > option to allocate the request from the polled hardware contexts. If > polling is not enabled, then the block layer will automatically fallback > to a non-polled request. So this only support synchronous polling for a single command. What use case do we have for that? I think io_uring based polling would be much more useful once we support NVMe passthrough through that.
