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)
commit36c14ed9caa957c686d4a48fd598a5ec2aa0331b
tree73d550e0795add691a849c2dcc8977762fcbdf2c
parent53c9577e9ca68a633c6e9df2b54eaecacfa77f62
NVMe: Use PRP2 for the nvme_identify ioctl

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