From: Keith Busch <keith.busch@intel.com>
Date: Sat, 24 Jan 2015 22:10:49 +0000 (-0700)
Subject: dm: inherit QUEUE_FLAG_SG_GAPS flags from underlying queues
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~100^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4afe76b2b922e6197944d7be0be7a18b53175ae;p=pandora-kernel.git

dm: inherit QUEUE_FLAG_SG_GAPS flags from underlying queues

A DM device must inherit the QUEUE_FLAG_SG_GAPS flags from its
underlying block devices' request queues.

This fixes problems when submitting cloned requests to multipathed
devices requiring virtually contiguous buffers.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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