From: NeilBrown <neilb@suse.de>
Date: Sun, 18 Nov 2012 23:47:48 +0000 (+1100)
Subject: md: make sure everything is freed when dm-raid stops an array.
X-Git-Tag: v3.7-rc7~8^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5eff3c439d3478ba9e8ba5f8c0aaf6e6fadb6e58;p=pandora-kernel.git

md: make sure everything is freed when dm-raid stops an array.

md_stop() would stop an array, but not free various attached
data structures.
For internal arrays, these are freed later in do_md_stop() or
mddev_put(), but they don't apply for dm-raid arrays.
So get md_stop() to free them, and only all it from dm-raid.
For internal arrays we now call __md_stop.

Reported-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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