From 92c76dc036e2139226e90851864d3e01e1db5dd8 Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <ilya.dryomov@inktank.com>
Date: Fri, 13 Dec 2013 15:28:57 +0200
Subject: [PATCH] rbd: wire up is_visible() sysfs callback for rbd bus

In preparation for single-major device number allocation scheme, wire
up attribute_group::is_visible() callback for rbd bus.  This allows us
to make the new single-major attributes conditional.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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Reading git-format-patch failed