2 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
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.
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.
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
18 #ifndef __XFS_VNODE_H__
19 #define __XFS_VNODE_H__
25 struct attrlist_cursor_kern;
28 * Return values for xfs_inactive. A return value of
29 * VN_INACTIVE_NOCACHE implies that the file system behavior
30 * has disassociated its state and bhv_desc_t from the vnode.
32 #define VN_INACTIVE_CACHE 0
33 #define VN_INACTIVE_NOCACHE 1
36 * Flags for read/write calls - same values as IRIX
38 #define IO_ISDIRECT 0x00004 /* bypass page cache */
39 #define IO_INVIS 0x00020 /* don't update inode timestamps */
41 #define XFS_IO_FLAGS \
42 { IO_ISDIRECT, "DIRECT" }, \
46 * Flush/Invalidate options for vop_toss/flush/flushinval_pages.
48 #define FI_NONE 0 /* none */
49 #define FI_REMAPF 1 /* Do a remapf prior to the operation */
50 #define FI_REMAPF_LOCKED 2 /* Do a remapf prior to the operation.
51 Prevent VM access to the pages until
52 the operation completes. */
55 * Some useful predicates.
57 #define VN_MAPPED(vp) mapping_mapped(vp->i_mapping)
58 #define VN_CACHED(vp) (vp->i_mapping->nrpages)
59 #define VN_DIRTY(vp) mapping_tagged(vp->i_mapping, \
63 #endif /* __XFS_VNODE_H__ */