1 files changed, 35 insertions, 0 deletions

diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index f7a51ca64a2e..d5a86fb81a49 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -49,6 +49,41 @@
 /* Intended to make it easier for us to switch out hash functions */
 #define dlm_lockid_hash(_n, _l) full_name_hash(_n, _l)
 
+enum dlm_mle_type {
+        DLM_MLE_BLOCK,
+        DLM_MLE_MASTER,
+        DLM_MLE_MIGRATION
+};
+
+struct dlm_lock_name {
+        u8 len;
+        u8 name[DLM_LOCKID_NAME_MAX];
+};
+
+struct dlm_master_list_entry {
+        struct list_head list;
+        struct list_head hb_events;
+        struct dlm_ctxt *dlm;
+        spinlock_t spinlock;
+        wait_queue_head_t wq;
+        atomic_t woken;
+        struct kref mle_refs;
+        int inuse;
+        unsigned long maybe_map[BITS_TO_LONGS(O2NM_MAX_NODES)];
+        unsigned long vote_map[BITS_TO_LONGS(O2NM_MAX_NODES)];
+        unsigned long response_map[BITS_TO_LONGS(O2NM_MAX_NODES)];
+        unsigned long node_map[BITS_TO_LONGS(O2NM_MAX_NODES)];
+        u8 master;
+        u8 new_master;
+        enum dlm_mle_type type;
+        struct o2hb_callback_func mle_hb_up;
+        struct o2hb_callback_func mle_hb_down;
+        union {
+                struct dlm_lock_resource *res;
+                struct dlm_lock_name name;
+        } u;
+};
+
 enum dlm_ast_type {
         DLM_AST = 0,
         DLM_BAST,