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LU-8726 osd-ldiskfs: bypass read for benchmarking
[fs/lustre-release.git] / lustre / lov / lovsub_page.c
index ff67397..c10a3df 100644 (file)
@@ -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.
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * 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.
+ *
+ * Copyright (c) 2013, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -42,7 +38,9 @@
 
 #include "lov_cl_internal.h"
 
-/** \addtogroup lov lov @{ */
+/** \addtogroup lov
+ *  @{
+ */
 
 /*****************************************************************************
  *
 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 *unused)
+int lovsub_page_init(const struct lu_env *env, struct cl_object *obj,
+                    struct cl_page *page, pgoff_t index)
 {
-        struct lovsub_page *lsb;
-        int result;
+       struct lovsub_page *lsb = cl_object_page_slice(obj, page);
+       ENTRY;
 
-        ENTRY;
-        OBD_SLAB_ALLOC_PTR_GFP(lsb, lovsub_page_kmem, CFS_ALLOC_IO);
-        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, index, &lovsub_page_ops);
+       RETURN(0);
 }
 
 /** @} lov */