From: Alex Elder <elder@inktank.com>
Date: Fri, 26 Apr 2013 14:43:47 +0000 (-0500)
Subject: rbd: define rbd snap context routines
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~26^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=468521c1b1450d8e9bda22df9455deaa4feed00f;p=pandora-kernel.git

rbd: define rbd snap context routines

Encapsulate the creation of a snapshot context for rbd in a new
function rbd_snap_context_create().  Define rbd wrappers for getting
and dropping references to them once they're created.

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