save /etc/iam/identity.json inside filer store

weed/server/filer_grpc_server.go

@@ -170,6 +170,7 @@ func (fs *FilerServer) CreateEntry(ctx context.Context, req *filer_pb.CreateEntr
 		Extended:        req.Entry.Extended,
 		HardLinkId:      filer.HardLinkId(req.Entry.HardLinkId),
 		HardLinkCounter: req.Entry.HardLinkCounter,
+		Content:         req.Entry.Content,
 	}, req.OExcl, req.IsFromOtherCluster, req.Signatures)
 
 	if createErr == nil {
@@ -204,6 +205,7 @@ func (fs *FilerServer) UpdateEntry(ctx context.Context, req *filer_pb.UpdateEntr
 		Chunks:          chunks,
 		HardLinkId:      filer.HardLinkId(req.Entry.HardLinkId),
 		HardLinkCounter: req.Entry.HardLinkCounter,
+		Content:         req.Entry.Content,
 	}
 
 	glog.V(3).Infof("updating %s: %+v, chunks %d: %v => %+v, chunks %d: %v, extended: %v => %v",