1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/include/lustre_patchless_compat.h b/drivers/staging/lustre/lustre/include/lustre_patchless_compat.h
new file mode 100644
index 000000000000..5842cb18b49e
--- /dev/null
+++ b/drivers/staging/lustre/lustre/include/lustre_patchless_compat.h
@@ -0,0 +1,66 @@
+/*
+ * 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.gnu.org/licenses/gpl-2.0.html
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
+#ifndef LUSTRE_PATCHLESS_COMPAT_H
+#define LUSTRE_PATCHLESS_COMPAT_H
+
+#include <linux/fs.h>
+
+#include <linux/list.h>
+#include <linux/mm.h>
+#include <linux/hash.h>
+
+#define ll_delete_from_page_cache(page) delete_from_page_cache(page)
+
+static inline void
+truncate_complete_page(struct address_space *mapping, struct page *page)
+{
+	if (page->mapping != mapping)
+		return;
+
+	if (PagePrivate(page))
+		page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
+
+	cancel_dirty_page(page);
+	ClearPageMappedToDisk(page);
+	ll_delete_from_page_cache(page);
+}
+
+#ifndef ATTR_CTIME_SET
+/*
+ * set ATTR_CTIME_SET to a high value to avoid any risk of collision with other
+ * ATTR_* attributes (see bug 13828)
+ */
+#define ATTR_CTIME_SET (1 << 28)
+#endif
+
+#endif /* LUSTRE_PATCHLESS_COMPAT_H */