From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Date: Wed, 8 Sep 2010 16:07:01 +0000 (+0200)
Subject: dm: fix locking context in queue_io()
X-Git-Tag: v2.6.37-rc1~166^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05447420f99c1c44063c7f00054667c022cc1365;p=pandora-kernel.git

dm: fix locking context in queue_io()

Now queue_io() is called from dec_pending(), which may be called with
interrupts disabled, so queue_io() must not enable interrupts
unconditionally and must save/restore the current interrupts status.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---

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