From 8c747fd0c3f514233afaca98139c03cca2cf2d2f Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Mon, 6 Jul 2015 11:55:41 -0400
Subject: [PATCH] dm btree remove: remove unused function get_nr_entries()

rebalance_children() calls get_nr_entries() and assigns the result to an
unused local 'child_entries' variable.  Remove get_nr_entries() and
cleanup rebalance_children() accordingly.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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