From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Wed, 23 Feb 2011 20:20:00 +0000 (-0500)
Subject: NVMe: Handle bios that contain non-virtually contiguous addresses
X-Git-Tag: v3.3-rc1~16^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1ad2f8932a72bf375361727949ced2cb4e8cfcef;p=pandora-kernel.git

NVMe: Handle bios that contain non-virtually contiguous addresses

NVMe scatterlists must be virtually contiguous, like almost all I/Os.
However, when the filesystem lays out files with a hole, it can be that
adjacent LBAs map to non-adjacent virtual addresses.  Handle this by
submitting one NVMe command at a time for each virtually discontiguous
range.

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