From: Alex Elder <elder@inktank.com>
Date: Wed, 25 Jul 2012 14:32:41 +0000 (-0500)
Subject: rbd: return obj version in __rbd_refresh_header()
X-Git-Tag: v3.6-rc1~36^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b813623ab95d0b4bbeb22e160bd5461965d0c571;p=pandora-kernel.git

rbd: return obj version in __rbd_refresh_header()

Add a new parameter to __rbd_refresh_header() through which the
version of the header object is passed back to the caller.  In most
cases this isn't needed.  The main motivation is to normalize
(almost) all calls to __rbd_refresh_header() so they are all
wrapped immediately by mutex_lock()/mutex_unlock().

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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