ocfs2: Provide the ocfs2_dlm_lvb_valid() stack API.

[linux-2.6-block.git] / fs / ocfs2 / stackglue.h

diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h
index c571af375ef87b98e6e24aad5d44c6fd7e114163..03a44d60eac91bc83699371f66f2f6cc333962fa 100644 (file)
--- a/fs/ocfs2/stackglue.h
+++ b/fs/ocfs2/stackglue.h
@@ -185,6 +185,11 @@ struct ocfs2_stack_operations {
         */
        int (*lock_status)(union ocfs2_dlm_lksb *lksb);
 
+       /*
+        * Return non-zero if the LVB is valid.
+        */
+       int (*lvb_valid)(union ocfs2_dlm_lksb *lksb);
+
        /*
         * Pull the lvb pointer off of the stack-specific lksb.
         */
@@ -252,6 +257,7 @@ int ocfs2_dlm_unlock(struct ocfs2_cluster_connection *conn,
                     struct ocfs2_lock_res *astarg);
 
 int ocfs2_dlm_lock_status(union ocfs2_dlm_lksb *lksb);
+int ocfs2_dlm_lvb_valid(union ocfs2_dlm_lksb *lksb);
 void *ocfs2_dlm_lvb(union ocfs2_dlm_lksb *lksb);
 void ocfs2_dlm_dump_lksb(union ocfs2_dlm_lksb *lksb);