From c9e8d128fe316751230ee0c53478740c64f58436 Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Thu, 7 Nov 2013 10:45:35 -0800
Subject: [PATCH] percpu-refcount: Add EXPORT_SYMBOL to use percpu_ref from
 modules

This patch adds EXPORT_SYMBOL() for percpu_ref_init(),
percpu_ref_cancel_init() and percpu_ref_kill_and_confirm() so
that percpu refcounting can be used by external modules.

Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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