From f6076dd0416dd4464955f208d8964ef136b6142b Mon Sep 17 00:00:00 2001
From: Zhi Zhang <willzzhang@tencent.com>
Date: Tue, 3 May 2016 17:12:26 +0800
Subject: [PATCH] mds: wrongly treat symlink inode as normal file/dir when
 symlink inode is stale on kcephfs

Signed-off-by: Zhi Zhang <zhangz.david@outlook.com>
(cherry picked from commit 88b6d669e37924536152a552db46ef43a7353562)

Conflicts:
	src/mds/Server.cc (hammer has req->head.args.open.flags instead of just flags)
---
 src/mds/Server.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index d4ed0723962f6..dc9a994b8e935 100644
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -2747,7 +2747,7 @@ void Server::handle_client_open(MDRequestRef& mdr)
     respond_to_request(mdr, -ENXIO);                 // FIXME what error do we want?
     return;
     }*/
-  if ((req->head.args.open.flags & O_DIRECTORY) && !cur->inode.is_dir()) {
+  if ((req->head.args.open.flags & O_DIRECTORY) && !cur->inode.is_dir() && !cur->inode.is_symlink()) {
     dout(7) << "specified O_DIRECTORY on non-directory " << *cur << dendl;
     respond_to_request(mdr, -EINVAL);
     return;