From 99b4d8fe6d12dcb49126df7153961fbc4de05f2a Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Tue, 7 Aug 2012 06:42:09 +0200
Subject: [PATCH] drbd: only start a new epoch, if the current epoch contains
 writes

Almost all code paths calling start_new_tl_epoch() guarded it with
	if (... current_tle_writes > 0 ... ).
Just move that inside start_new_tl_epoch().

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