From: Alex Elder <elder@inktank.com>
Date: Mon, 6 May 2013 12:40:30 +0000 (-0500)
Subject: rbd: always set read-only flag in rbd_add()
X-Git-Tag: v3.10-rc2~28^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51344a38ba2033be18a4ec23e318845caeccdc04;p=pandora-kernel.git

rbd: always set read-only flag in rbd_add()

Hold off setting the read-only flag in rbd_add() for an image being
mapped until we have successfully probed the image.  At that point
we know whether it's a snapshot mapping or not, so we can set the
read-only flag in that one place rather than doing so (for
snapshots) in rbd_dev_mapping_set().  To do this, pass a flag to the
image probe routine indicating whether we want a read-only mapping.

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