mds: add comment on linkage durability

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>

diff --git a/src/mds/CDentry.h b/src/mds/CDentry.h
index 86efabd76e1ebb8f0e8ddcb736dcaa73019d4cf5..ed2a66f678e7646d934a863496fc47aab93a8448 100644 (file)
--- a/src/mds/CDentry.h
+++ b/src/mds/CDentry.h
@@ -359,7 +359,7 @@ protected:
   friend class C_MDC_XlockRequest;
 
   CDir *dir = nullptr;     // containing dirfrag
-  linkage_t linkage;
+  linkage_t linkage; /* durable */
   mempool::mds_co::list<linkage_t> projected;
 
   version_t version = 0;  // dir version when last touched.