Merge branch 'globalheartbeat-2' of git://oss.oracle.com/git/smushran/linux-2.6 into ocfs2-merge-window

Conflicts:
	fs/ocfs2/ocfs2.h

1 files changed, 11 insertions, 2 deletions

diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c
index 26ff2e185b1e..272ec8631a51 100644
--- a/fs/ocfs2/dlm/dlmdebug.c
+++ b/fs/ocfs2/dlm/dlmdebug.c
@@ -636,8 +636,14 @@ static void *lockres_seq_start(struct seq_file *m, loff_t *pos)
         spin_lock(&dlm->track_lock);
         if (oldres)
                 track_list = &oldres->tracking;
-        else
+        else {
                 track_list = &dlm->tracking_list;
+                if (list_empty(track_list)) {
+                        dl = NULL;
+                        spin_unlock(&dlm->track_lock);
+                        goto bail;
+                }
+        }
 
         list_for_each_entry(res, track_list, tracking) {
                 if (&res->tracking == &dlm->tracking_list)
@@ -660,6 +666,7 @@ static void *lockres_seq_start(struct seq_file *m, loff_t *pos)
         } else
                 dl = NULL;
 
+bail:
         /* passed to seq_show */
         return dl;
 }
@@ -775,7 +782,9 @@ static int debug_state_print(struct dlm_ctxt *dlm, struct debug_buffer *db)
 
         /* Domain: xxxxxxxxxx  Key: 0xdfbac769 */
         out += snprintf(db->buf + out, db->len - out,
-                        "Domain: %s  Key: 0x%08x\n", dlm->name, dlm->key);
+                        "Domain: %s  Key: 0x%08x  Protocol: %d.%d\n",
+                        dlm->name, dlm->key, dlm->dlm_locking_proto.pv_major,
+                        dlm->dlm_locking_proto.pv_minor);
 
         /* Thread Pid: xxx  Node: xxx  State: xxxxx */
         out += snprintf(db->buf + out, db->len - out,