From: NeilBrown <neilb@suse.de>
Date: Mon, 15 Dec 2014 01:56:58 +0000 (+1100)
Subject: md/bitmap: protect clearing of ->bitmap by mddev->lock
X-Git-Tag: fixes-v4.0-rc1~120^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=978a7a47cae79ae7a7b5a1e80bfcaef6ee700312;p=pandora-kernel.git

md/bitmap: protect clearing of ->bitmap by mddev->lock

This makes it safe to inspect the struct while holding only
the spinlock.

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