From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
If a MDiscover message is for discovering base inode, want_base_dir
should be false, path should be empty.
Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
---
src/mds/MDCache.cc | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index 5e8f2a5..5c2732b 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -9175,7 +9175,8 @@ void MDCache::handle_discover(MDiscover *dis)
snapid_t snapid = dis->get_snapid();
// get started.
- if (MDS_INO_IS_BASE(dis->get_base_ino())) {
+ if (MDS_INO_IS_BASE(dis->get_base_ino()) &&
+ !dis->wants_base_dir() && dis->get_want().depth() == 0) {
// wants root
dout(7) << "handle_discover from mds." << from
<< " wants base + " << dis->get_want().get_path()
--
1.8.1.4
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