From 361cf40519a491f68b28ad90225e4611c4bf8e12 Mon Sep 17 00:00:00 2001
From: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Date: Fri, 17 Dec 2010 09:55:59 -0800
Subject: [PATCH] ceph: handle partial result from get_user_pages

The get_user_pages() helper can return fewer than the requested pages.
Error out in that case, and clean up the partial result.

Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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Reading git-format-patch failed