From: Alex Elder <elder@inktank.com>
Date: Tue, 30 Apr 2013 05:44:33 +0000 (-0500)
Subject: rbd: snap names are pointer to constant data
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~26^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb75223d2b19161e8d916049673cd297cce43cdd;p=pandora-kernel.git

rbd: snap names are pointer to constant data

Make explicit that snapshot names don't change by making functions
return and take parameters that that point to const qualified data.

This resolves:
    http://tracker.ceph.com/issues/4867

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