On Fri, Nov 06, 2015 at 10:20:18AM -0700, Jens Axboe wrote: > Hi, > > This is a basic framework for supporting polled IO with the block > layer stack, and added support for sync O_DIRECT IO and the NVMe > driver. > > There are a few things missing to truly productize this, but it's > very useful for testing. For now, it's a per-device opt-in feature. > To enable it, you echo 1 to /sys/block/<dev>/queue/io_poll.
This really looks good. I verified similar performance improvements on various NVMe controller types as well. Acked-by: Keith Busch <keith.bu...@intel.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
