diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h')
-rw-r--r-- | drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h b/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h new file mode 100644 index 000000000..d72605864 --- /dev/null +++ b/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h @@ -0,0 +1,85 @@ +/* + * 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) 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_CACHE_SIZE); + + if (TestClearPageDirty(page)) + account_page_cleaned(page, mapping); + + ClearPageMappedToDisk(page); + ll_delete_from_page_cache(page); +} + +#ifdef ATTR_OPEN +# define ATTR_FROM_OPEN ATTR_OPEN +#else +# ifndef ATTR_FROM_OPEN +# define ATTR_FROM_OPEN 0 +# endif +#endif /* ATTR_OPEN */ + +#ifndef ATTR_RAW +#define ATTR_RAW 0 +#endif + +#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 */ |