mds: keep inode multiversion if it has snapped old_inodes

Once old_inodes gets cleaned out (snaps deleted), we can return
to normalcy.

diff --git a/src/mds/CInode.h b/src/mds/CInode.h
index 307e490c56d33eaca50fad726901d2ee8d93afe0..1881099dd3bdd1114ec181e0c05c127b8a229b45 100644 (file)
--- a/src/mds/CInode.h
+++ b/src/mds/CInode.h
@@ -147,7 +147,8 @@ class CInode : public MDSCacheObject {
   bool is_multiversion() {
     return snaprealm ||  // other snaprealms will link to me
       inode.is_dir() ||  // links to me in other snaps
-      inode.nlink > 1;   // there are remote links, possibly snapped, that will need to find me
+      inode.nlink > 1 || // there are remote links, possibly snapped, that will need to find me
+      old_inodes.size(); // once multiversion, always multiversion.  until old_inodes gets cleaned out.
   }
   snapid_t get_oldest_snap();