From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Wed, 22 Dec 2010 11:48:31 +0000 (+0100)
Subject: drbd: Fixed an issue with AHEAD -> SYNC_SOURCE transitions
X-Git-Tag: v2.6.39-rc1~37^2~43
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=617049aa7d753e8c821ac77126ab90e9f1b66d6d;p=pandora-kernel.git

drbd: Fixed an issue with AHEAD -> SYNC_SOURCE transitions

Create a new barrier when leaving the AHEAD mode.

  Otherwise we trigger the assertion in req_mod(, barrier_acked)
  D_ASSERT(req->rq_state & RQ_NET_SENT);

The new barrier is created by recycling the newest existing one.

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