[PATCH 3/3] nvme: make SG_IO support optional

[Keith Busch]

On Thu, Dec 24, 2015 at 12:40:40PM +0100, Christoph Hellwig wrote:
> On Thu, Dec 24, 2015 at 01:31:32PM +0200, Sagi Grimberg wrote:
> > OK, I see what you mean. We can look at having multipathd ioctl'ing
> > identify_ns at some point...
> 
> block/for-next has the nguid available as a sysfs attribute, that's
> all we should need.

Off the top of your head, do you happen to know how to point multipathd
to the new attribute? Is this a code change or just a configuration rule?