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[06/25] mds: properly set error_dentry for discover reply

Message ID 1358910541-15535-7-git-send-email-zheng.z.yan@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Yan, Zheng Jan. 23, 2013, 3:08 a.m. UTC 
From: "Yan, Zheng" <zheng.z.yan@intel.com>

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@intel.com>
---
 src/mds/MDCache.cc | 2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

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