[PATCH] NVMe: Initialize iod nents to 0

[Matthew Wilcox]

On Tue, Nov 06, 2012 at 11:59:23AM -0700, Keith Busch wrote:
> For commands that do not map a scatter list, we need to initilaize the iod's
> number of sg entries (nents) to 0 and not unmap in this case.
> 
> Signed-off-by: Keith Busch <keith.busch at intel.com>

Thanks; applied