From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Date: Mon, 22 Jun 2009 09:12:36 +0000 (+0100)
Subject: dm: do not set QUEUE_ORDERED_DRAIN if request based
X-Git-Tag: v2.6.31-rc1~8^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5d67aa2366ccb8257d103d0b43df855605c3c086;p=pandora-kernel.git

dm: do not set QUEUE_ORDERED_DRAIN if request based

Request-based dm doesn't have barrier support yet.
So we need to set QUEUE_ORDERED_DRAIN only for bio-based dm.
Since the device type is decided at the first table loading time,
the flag set is deferred until then.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---

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