ocfs2/dlm: add DEREF_DONE message

[karo-tx-linux.git] / fs / ocfs2 / dlm / dlmcommon.h

diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index 68c607e63ff683404d1406225feaea01001ba568..c9f97da9231a35c1168dd5bc19b465834b587575 100644 (file)
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -451,6 +451,7 @@ enum {
        DLM_QUERY_REGION                = 519,
        DLM_QUERY_NODEINFO              = 520,
        DLM_BEGIN_EXIT_DOMAIN_MSG       = 521,
+       DLM_DEREF_LOCKRES_DONE          = 522,
 };
 
 struct dlm_reco_node_data
@@ -545,7 +546,7 @@ struct dlm_master_requery
  * };
  *
  * from ../cluster/tcp.h
- *    NET_MAX_PAYLOAD_BYTES  (4096 - sizeof(net_msg))
+ *    O2NET_MAX_PAYLOAD_BYTES  (4096 - sizeof(net_msg))
  *    (roughly 4080 bytes)
  * and sizeof(dlm_migratable_lockres) = 112 bytes
  * and sizeof(dlm_migratable_lock) = 16 bytes
@@ -586,7 +587,7 @@ struct dlm_migratable_lockres
 
 /* from above, 128 bytes
  * for some undetermined future use */
-#define DLM_MIG_LOCKRES_RESERVED   (NET_MAX_PAYLOAD_BYTES - \
+#define DLM_MIG_LOCKRES_RESERVED   (O2NET_MAX_PAYLOAD_BYTES - \
                                    DLM_MIG_LOCKRES_MAX_LEN)
 
 struct dlm_create_lock
@@ -782,6 +783,15 @@ struct dlm_deref_lockres
        u8 name[O2NM_MAX_NAME_LEN];
 };
 
+struct dlm_deref_lockres_done {
+       u32 pad1;
+       u16 pad2;
+       u8 node_idx;
+       u8 namelen;
+
+       u8 name[O2NM_MAX_NAME_LEN];
+};
+
 static inline enum dlm_status
 __dlm_lockres_state_to_status(struct dlm_lock_resource *res)
 {
@@ -968,6 +978,8 @@ int dlm_assert_master_handler(struct o2net_msg *msg, u32 len, void *data,
 void dlm_assert_master_post_handler(int status, void *data, void *ret_data);
 int dlm_deref_lockres_handler(struct o2net_msg *msg, u32 len, void *data,
                              void **ret_data);
+int dlm_deref_lockres_done_handler(struct o2net_msg *msg, u32 len, void *data,
+                             void **ret_data);
 int dlm_migrate_request_handler(struct o2net_msg *msg, u32 len, void *data,
                                void **ret_data);
 int dlm_mig_lockres_handler(struct o2net_msg *msg, u32 len, void *data,