From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Mon, 16 May 2011 10:57:15 +0000 (+0200)
Subject: drbd: protect updates to integrits_tfm by tconn->data->mutex
X-Git-Tag: v3.8-rc1~78^2~18^2~207
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46e1ce4177aac86b8e39bc7bb5763e9d040ae5cb;p=pandora-kernel.git

drbd: protect updates to integrits_tfm by tconn->data->mutex

Since we need to hold that mutex anyways to make sure the peer
gets that change in the right position in the data stream,
it makes a lot of sense to use the same mutex to ensure existence
of the tfm.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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