From 0aeff37abada9f8c08d2b10481a43d3ae406c823 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zyan@redhat.com>
Date: Wed, 17 Dec 2014 21:26:47 +0800
Subject: [PATCH] ceph: fix setting empty extended attribute

make sure 'value' is not null. otherwise __ceph_setxattr will remove
the extended attribute.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
---
Reading git-format-patch failed