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Diffstat (limited to 'drivers/staging/lustre/lustre/lov/lovsub_page.c')
-rw-r--r--drivers/staging/lustre/lustre/lov/lovsub_page.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/lov/lovsub_page.c b/drivers/staging/lustre/lustre/lov/lovsub_page.c
new file mode 100644
index 000000000000..bc9e683968da
--- /dev/null
+++ b/drivers/staging/lustre/lustre/lov/lovsub_page.c
@@ -0,0 +1,72 @@
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * Implementation of cl_page for LOVSUB layer.
+ *
+ * Author: Nikita Danilov <nikita.danilov@sun.com>
+ */
+
+#define DEBUG_SUBSYSTEM S_LOV
+
+#include "lov_cl_internal.h"
+
+/** \addtogroup lov
+ * @{
+ */
+
+/*****************************************************************************
+ *
+ * Lovsub page operations.
+ *
+ */
+
+static void lovsub_page_fini(const struct lu_env *env,
+ struct cl_page_slice *slice)
+{
+}
+
+static const struct cl_page_operations lovsub_page_ops = {
+ .cpo_fini = lovsub_page_fini
+};
+
+int lovsub_page_init(const struct lu_env *env, struct cl_object *obj,
+ struct cl_page *page, struct page *unused)
+{
+ struct lovsub_page *lsb = cl_object_page_slice(obj, page);
+ ENTRY;
+
+ cl_page_slice_add(page, &lsb->lsb_cl, obj, &lovsub_page_ops);
+ RETURN(0);
+}
+
+/** @} lov */