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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 NS |
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 | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 NS |
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. | |
1da177e4 | 13 | * |
7b718769 NS |
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 | |
1da177e4 LT |
17 | */ |
18 | #ifndef __XFS_VNODE_H__ | |
19 | #define __XFS_VNODE_H__ | |
20 | ||
2b5decd0 CH |
21 | #include "xfs_fs.h" |
22 | ||
1da177e4 | 23 | struct file; |
2b5decd0 | 24 | struct xfs_inode; |
1da177e4 LT |
25 | struct attrlist_cursor_kern; |
26 | ||
1da177e4 LT |
27 | /* |
28 | * Flags for read/write calls - same values as IRIX | |
29 | */ | |
1da177e4 LT |
30 | #define IO_ISDIRECT 0x00004 /* bypass page cache */ |
31 | #define IO_INVIS 0x00020 /* don't update inode timestamps */ | |
32 | ||
0b1b213f CH |
33 | #define XFS_IO_FLAGS \ |
34 | { IO_ISDIRECT, "DIRECT" }, \ | |
35 | { IO_INVIS, "INVIS"} | |
36 | ||
1da177e4 | 37 | /* |
67fcaa73 | 38 | * Flush/Invalidate options for vop_toss/flush/flushinval_pages. |
1da177e4 LT |
39 | */ |
40 | #define FI_NONE 0 /* none */ | |
41 | #define FI_REMAPF 1 /* Do a remapf prior to the operation */ | |
42 | #define FI_REMAPF_LOCKED 2 /* Do a remapf prior to the operation. | |
43 | Prevent VM access to the pages until | |
44 | the operation completes. */ | |
45 | ||
1da177e4 LT |
46 | /* |
47 | * Some useful predicates. | |
48 | */ | |
863890cd CH |
49 | #define VN_MAPPED(vp) mapping_mapped(vp->i_mapping) |
50 | #define VN_CACHED(vp) (vp->i_mapping->nrpages) | |
51 | #define VN_DIRTY(vp) mapping_tagged(vp->i_mapping, \ | |
1da177e4 | 52 | PAGECACHE_TAG_DIRTY) |
1da177e4 | 53 | |
1da177e4 | 54 | |
1da177e4 | 55 | #endif /* __XFS_VNODE_H__ */ |