LU-744 clio: save memory allocations for cl_page

[fs/lustre-release.git] / lustre / lov / lovsub_page.c

diff --git a/lustre/lov/lovsub_page.c b/lustre/lov/lovsub_page.c
index 70e1f56..f1e5b46 100644 (file)
--- a/lustre/lov/lovsub_page.c
+++ b/lustre/lov/lovsub_page.c
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -26,7 +24,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
@@ -42,7 +40,9 @@
 
 #include "lov_cl_internal.h"
 
-/** \addtogroup lov lov @{ */
+/** \addtogroup lov
+ *  @{
+ */
 
 /*****************************************************************************
  *
@@ -53,31 +53,20 @@
 static void lovsub_page_fini(const struct lu_env *env,
                              struct cl_page_slice *slice)
 {
-        struct lovsub_page *lsb = cl2lovsub_page(slice);
-        ENTRY;
-        OBD_SLAB_FREE_PTR(lsb, lovsub_page_kmem);
-        EXIT;
 }
 
 static const struct cl_page_operations lovsub_page_ops = {
         .cpo_fini   = lovsub_page_fini
 };
 
-struct cl_page *lovsub_page_init(const struct lu_env *env,
-                                 struct cl_object *obj,
-                                 struct cl_page *page, cfs_page_t *_)
+int lovsub_page_init(const struct lu_env *env, struct cl_object *obj,
+                       struct cl_page *page, cfs_page_t *unused)
 {
-        struct lovsub_page *lsb;
-        int result;
-
+        struct lovsub_page *lsb = cl_object_page_slice(obj, page);
         ENTRY;
-        OBD_SLAB_ALLOC_PTR(lsb, lovsub_page_kmem);
-        if (lsb != NULL) {
-                cl_page_slice_add(page, &lsb->lsb_cl, obj, &lovsub_page_ops);
-                result = 0;
-        } else
-                result = -ENOMEM;
-        RETURN(ERR_PTR(result));
+
+       cl_page_slice_add(page, &lsb->lsb_cl, obj, &lovsub_page_ops);
+        RETURN(0);
 }
 
 /** @} lov */