Branch HEAD

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

diff --git a/lustre/include/lu_object.h b/lustre/include/lu_object.h
index fd26c3d..cf83ef1 100644 (file)
--- a/lustre/include/lu_object.h
+++ b/lustre/include/lu_object.h
@@ -297,10 +297,11 @@ struct lu_device_type_operations {
                                                struct lu_device_type *t,
                                                struct lustre_cfg *lcfg);
         /*
-         * Free device. Dual to ->ldto_device_alloc().
+         * Free device. Dual to ->ldto_device_alloc(). Returns pointer to
+         * the next device in the stack.
          */
-        void (*ldto_device_free)(const struct lu_env *,
-                                 struct lu_device *);
+        struct lu_device *(*ldto_device_free)(const struct lu_env *,
+                                              struct lu_device *);
 
         /*
          * Initialize the devices after allocation
@@ -798,6 +799,11 @@ void lu_object_print(const struct lu_env *env, void *cookie,
 int lu_object_invariant(const struct lu_object *o);
 
 /*
+ * Finalize and free devices in the device stack.
+ */
+void lu_stack_fini(const struct lu_env *env, struct lu_device *top);
+
+/*
  * Returns 1 iff object @o exists on the stable storage,
  * returns -1 iff object @o is on remote server.
  */
@@ -835,7 +841,7 @@ static inline __u32 lu_object_attr(const struct lu_object *o)
 
 struct lu_rdpg {
         /* input params, should be filled out by mdt */
-        __u32                   rp_hash;        /* hash */
+        __u64                   rp_hash;        /* hash */
         int                     rp_count;       /* count in bytes       */
         int                     rp_npages;      /* number of pages      */
         struct page           **rp_pages;       /* pointers to pages    */