From 46e21bbadb2f4770199f2343f311f8833e5bf495 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Tue, 7 Aug 2012 06:47:14 +0200
Subject: [PATCH] drbd: NEG_ACK does not imply a barrier-ack

Don't drop a request from the transfer log just because it was NEG_ACKED.
We need it around to be able to verify P_BARRIER_ACKs against the
transver log.

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