From: Keith Busch <keith.busch@intel.com>
Date: Tue, 23 Apr 2013 23:23:59 +0000 (-0600)
Subject: NVMe: Meta-data support in NVME_IOCTL_SUBMIT_IO
X-Git-Tag: v3.10-rc1~21^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f410c680b5344f1cb63ff011c6ae3d4963f45c30;p=pandora-kernel.git

NVMe: Meta-data support in NVME_IOCTL_SUBMIT_IO

This adds support for namespaces with separate meta-data formats in the
submit io ioctl. The meta-data buffer has to be a contiguous, so such
a buffer is allocated and the mapped user pages are copied to/from this
buffer for write/read commands.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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