From 9dd2fcd32f488ea89c2227cc56069446147376e8 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Tue, 2 Sep 2014 21:27:58 -0700
Subject: [PATCH] pnfs: add a common GETDEVICELIST implementation

At a simple helper to issue a GETDEVICELIST operation and pre-load
the device id cache based on the result.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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