LU-1876 hsm: layout lock implementation on server side

[fs/lustre-release.git] / lustre / include / cl_object.h

diff --git a/lustre/include/cl_object.h b/lustre/include/cl_object.h
index 3fbea9c..e78d05a 100644 (file)
--- a/lustre/include/cl_object.h
+++ b/lustre/include/cl_object.h
@@ -277,10 +277,25 @@ struct cl_object_conf {
          */
         struct inode             *coc_inode;
        /**
-        * Invalidate the current stripe configuration due to losing
-        * layout lock.
+        * Layout lock handle.
         */
-       bool                      coc_invalidate;
+       struct ldlm_lock         *coc_lock;
+       /**
+        * Operation to handle layout, OBJECT_CONF_XYZ.
+        */
+       int                       coc_opc;
+};
+
+enum {
+       /** configure layout, set up a new stripe, must be called while
+        * holding layout lock. */
+       OBJECT_CONF_SET = 0,
+       /** invalidate the current stripe configuration due to losing
+        * layout lock. */
+       OBJECT_CONF_INVALIDATE = 1,
+       /** wait for old layout to go away so that new layout can be
+        * set up. */
+       OBJECT_CONF_WAIT = 2
 };
 
 /**