From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
If MDCache::handle_discover() receives an 'discover path' request but
can not find the base inode. It should properly set the 'error_dentry'
to make sure MDCache::handle_discover_reply() checks correct object's
wait queue.
Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
---
src/mds/MDCache.cc | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index 9557436..adcf8c1 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -8644,6 +8644,8 @@ void MDCache::handle_discover(MDiscover *dis)
dout(7) << "handle_discover mds." << from
<< " don't have base ino " << dis->get_base_ino() << "." << snapid
<< dendl;
+ if (!dis->wants_base_dir() && dis->get_want().depth() > 0)
+ reply->set_error_dentry(dis->get_dentry(0));
reply->set_flag_error_dir();
} else if (dis->wants_base_dir()) {
dout(7) << "handle_discover mds." << from
--
1.7.11.7
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