From 6177b472ab14e1ac88896960370dd54ba577d926 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 29 Mar 2010 11:37:13 +1100
Subject: [PATCH] md: start to refactor do_md_stop

do_md_stop is large and clunky, so hard to understand.

This is a first step of refactoring, pulling two simple
sub-functions out.

Signed-off-by: NeilBrown <neilb@suse.de>
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