mds: don't fragmentate stray directories

the code that prepares and purges stray dentry assumes that we never
freeze stray directories. So disable fragmentating stray directories
temporarily.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>

diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index bde5735ea899715c9478d6f5bbc9d42f8edabb0e..5652a08d757ecd691e423e046e15d749d3544b83 100644 (file)
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -10873,8 +10873,8 @@ bool MDCache::can_fragment(CInode *diri, list<CDir*>& dirs)
     dout(7) << "can_fragment: i won't merge|split anything in stray" << dendl;
     return false;
   }
-  if (diri->is_mdsdir() || diri->ino() == MDS_INO_CEPH) {
-    dout(7) << "can_fragment: i won't fragment the mdsdir or .ceph" << dendl;
+  if (diri->is_mdsdir() || diri->is_stray() || diri->ino() == MDS_INO_CEPH) {
+    dout(7) << "can_fragment: i won't fragment the mdsdir or straydir or .ceph" << dendl;
     return false;
   }