NVMe: Use PRP2 for the nvme_identify ioctl
authorMatthew Wilcox <matthew.r.wilcox@intel.com>
Mon, 24 Jan 2011 12:52:07 +0000 (07:52 -0500)
committerMatthew Wilcox <matthew.r.wilcox@intel.com>
Fri, 4 Nov 2011 19:52:52 +0000 (15:52 -0400)
DMA the result straight to userspace instead of bounce-buffering in the
kernel.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
drivers/block/nvme.c

Simple merge