1 files changed, 13 insertions, 11 deletions

diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 27e984f7e4cd..a3194fe173d9 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1050,17 +1050,10 @@ static int dlm_restart_lock_mastery(struct dlm_ctxt *dlm,
         node = dlm_bitmap_diff_iter_next(&bdi, &sc);
         while (node >= 0) {
                 if (sc == NODE_UP) {
-                        /* a node came up.  easy.  might not even need
-                         * to talk to it if its node number is higher
-                         * or if we are already blocked. */
-                        mlog(0, "node up! %d\n", node);
-                        if (blocked)
-                                goto next;
-
-                        if (node > dlm->node_num) {
-                                mlog(0, "node > this node. skipping.\n");
-                                goto next;
-                        }
+                        /* a node came up.  clear any old vote from
+                         * the response map and set it in the vote map
+                         * then restart the mastery. */
+                        mlog(ML_NOTICE, "node %d up while restarting\n", node);
 
                         /* redo the master request, but only for the new node */
                         mlog(0, "sending request to new node\n");
@@ -2005,6 +1998,15 @@ fail:
                                 break;
 
                         mlog(0, "timed out during migration\n");
+                        /* avoid hang during shutdown when migrating lockres 
+                         * to a node which also goes down */
+                        if (dlm_is_node_dead(dlm, target)) {
+                                mlog(0, "%s:%.*s: expected migration target %u "
+                                     "is no longer up.  restarting.\n",
+                                     dlm->name, res->lockname.len,
+                                     res->lockname.name, target);
+                                ret = -ERESTARTSYS;
+                        }
                 }
                 if (ret == -ERESTARTSYS) {
                         /* migration failed, detach and clean up mle */