From: Josh Durgin <josh.durgin@dreamhost.com>
Date: Mon, 5 Dec 2011 18:47:13 +0000 (-0800)
Subject: rbd: protect read of snapshot sequence number
X-Git-Tag: v3.5-rc1~36^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=403f24d3d51760a8b9368d595fa5f48c309f1a0f;p=pandora-kernel.git

rbd: protect read of snapshot sequence number

This is updated whenever a snapshot is added or deleted, and the
snapc pointer is changed with every refresh of the header.

Signed-off-by: Josh Durgin <josh.durgin@dreamhost.com>
Reviewed-by: Alex Elder <elder@dreamhost.com>
Reviewed-by: Yehuda Sadeh <yehuda@hq.newdream.net>
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