Messages in this thread | | | Date | Fri, 6 Nov 2015 22:41:28 +0000 | From | Keith Busch <> | Subject | Re: [PATCH 0/5] Initial support for polled IO |
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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.busch@intel.com>
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