From: NeilBrown <neilb@suse.de>
Date: Tue, 22 May 2012 03:55:23 +0000 (+1000)
Subject: md/bitmap: make bitmap bitops atomic.
X-Git-Tag: v3.5-rc1~110^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63c68268b2fc63f7f612dfebecb5c9cbbd3ebeaf;p=pandora-kernel.git

md/bitmap: make bitmap bitops atomic.

This allows us to remove spinlock protection which is
more heavy-weight than simple atomics.

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