From 8d08503c130e96e3794f66fe47053051460b1584 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.z.yan@intel.com>
Date: Fri, 18 Apr 2014 22:01:38 +0800
Subject: [PATCH] ceph: remember subtree root dirfrag's auth MDS

remember dirfrag's auth MDS when it's different from its parent inode's
auth MDS.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
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Reading git-format-patch failed