From 944410e97cfcec38369eeb5f77d0e8da91d68afb Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Tue, 6 May 2014 15:02:05 +0200
Subject: [PATCH] drbd: debugfs: add callback_history

Add a per-connection worker thread callback_history
with timing details, call site and callback function.

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