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Date: Tue, 10 Jul 2018 16:15:54 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Mikulas Patocka <mpatocka@redhat.com>
Cc: Ben Hutchings <ben@decadent.org.uk>, stable@vger.kernel.org,
        jing xia <jing.xia.mail@gmail.com>,
        David Rientjes <rientjes@google.com>,
        Guenter Roeck <linux@roeck-us.net>,
        Douglas Anderson <dianders@chromium.org>,
        Mike Snitzer <msnitzer@redhat.com>
Subject: Re: [PATCH 3.16, 4.4, 4.9] dm bufio: avoid sleeping while holding
 the dm_bufio lock
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On Wed, Jul 04, 2018 at 10:36:58AM -0400, Mikulas Patocka wrote:
> This is backport of the upstream patch 
> 9ea61cac0b1ad0c09022f39fd97e9b99a2cfc2dc. It should be backported to 
> stable kernels because this performance problem was seen on the android 
> 4.4 kernel.

Now applied, thanks.

greg k-h