1 /*
2 * GPL HEADER START
3 *
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
19 *
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 *
24 * GPL HEADER END
25 */
26 /*
27 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
29 */
30 /*
31 * This file is part of Lustre, http://www.lustre.org/
32 * Lustre is a trademark of Sun Microsystems, Inc.
33 *
34 * Implementation of cl_page for LOVSUB layer.
35 *
36 * Author: Nikita Danilov <nikita.danilov@sun.com>
37 */
38
39 #define DEBUG_SUBSYSTEM S_LOV
40
41 #include "lov_cl_internal.h"
42
43 /** \addtogroup lov
44 * @{
45 */
46
47 /*****************************************************************************
48 *
49 * Lovsub page operations.
50 *
51 */
52
lovsub_page_fini(const struct lu_env * env,struct cl_page_slice * slice)53 static void lovsub_page_fini(const struct lu_env *env,
54 struct cl_page_slice *slice)
55 {
56 }
57
58 static const struct cl_page_operations lovsub_page_ops = {
59 .cpo_fini = lovsub_page_fini
60 };
61
lovsub_page_init(const struct lu_env * env,struct cl_object * obj,struct cl_page * page,struct page * unused)62 int lovsub_page_init(const struct lu_env *env, struct cl_object *obj,
63 struct cl_page *page, struct page *unused)
64 {
65 struct lovsub_page *lsb = cl_object_page_slice(obj, page);
66
67 cl_page_slice_add(page, &lsb->lsb_cl, obj, &lovsub_page_ops);
68 return 0;
69 }
70
71 /** @} lov */
72