1/*
 2 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
 3 * All Rights Reserved.
 4 *
 5 * This program is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU General Public License as
 7 * published by the Free Software Foundation.
 8 *
 9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
17 */
18#ifndef __XFS_VNODE_H__
19#define __XFS_VNODE_H__
20
21#include "xfs_fs.h"
22
23struct file;
24struct xfs_inode;
25struct attrlist_cursor_kern;
26
27/*
28 * Flags for read/write calls - same values as IRIX
29 */
30#define IO_ISDIRECT	0x00004		/* bypass page cache */
31#define IO_INVIS	0x00020		/* don't update inode timestamps */
32
33#define XFS_IO_FLAGS \
34	{ IO_ISDIRECT,	"DIRECT" }, \
35	{ IO_INVIS,	"INVIS"}
36
37/*
38 * Some useful predicates.
39 */
40#define VN_MAPPED(vp)	mapping_mapped(vp->i_mapping)
41#define VN_CACHED(vp)	(vp->i_mapping->nrpages)
42#define VN_DIRTY(vp)	mapping_tagged(vp->i_mapping, \
43					PAGECACHE_TAG_DIRTY)
44
45
46#endif	/* __XFS_VNODE_H__ */