From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Tue, 7 Aug 2012 04:42:09 +0000 (+0200)
Subject: drbd: only start a new epoch, if the current epoch contains writes
X-Git-Tag: v3.8-rc1~78^2~18^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=99b4d8fe6d12dcb49126df7153961fbc4de05f2a;p=pandora-kernel.git

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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