mds: return only a single path segment in reply trace

This temporarily breaks the kernel client.

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 556c0f07776ece74cc719ea7a884a71ea2031170..fe8127c06292ca90920158f2632d310336a90fc5 100644 (file)
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -710,6 +710,8 @@ void Server::set_trace_dist(Session *session, MClientReply *reply, CInode *in, C
   __u16 numi = 0, numdn = 0;
   __s16 snapdirpos = -1;
 
+  bool single_segment = true;  // do a single segment: [inode, ] dentry, dir.
+
   // choose lease duration
   utime_t now = g_clock.now();
   int lmask = 0;
@@ -756,6 +758,9 @@ void Server::set_trace_dist(Session *session, MClientReply *reply, CInode *in, C
     dout(10) << "set_trace_dist snapdiri at pos " << snapdirpos << dendl;
   }
 
+  if (single_segment && numdn)
+    goto done;
+
   if (!dn) {
     dn = in->get_projected_parent_dn();
     if (dn && !dn->use_projected(client, mdr))