Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
7d4fb40a | 2 | * Copyright (c) 2000-2002,2005-2006 Silicon Graphics, Inc. |
7b718769 | 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 | 17 | */ |
1da177e4 LT |
18 | #include "xfs.h" |
19 | ||
7d4fb40a NS |
20 | int fs_noerr(void) { return 0; } |
21 | int fs_nosys(void) { return ENOSYS; } | |
22 | void fs_noval(void) { return; } | |
1da177e4 | 23 | |
1da177e4 LT |
24 | void |
25 | fs_tosspages( | |
26 | bhv_desc_t *bdp, | |
27 | xfs_off_t first, | |
28 | xfs_off_t last, | |
29 | int fiopt) | |
30 | { | |
67fcaa73 | 31 | bhv_vnode_t *vp = BHV_TO_VNODE(bdp); |
ec86dc02 | 32 | struct inode *ip = vn_to_inode(vp); |
1da177e4 LT |
33 | |
34 | if (VN_CACHED(vp)) | |
35 | truncate_inode_pages(ip->i_mapping, first); | |
36 | } | |
37 | ||
d3cf2094 | 38 | int |
1da177e4 LT |
39 | fs_flushinval_pages( |
40 | bhv_desc_t *bdp, | |
41 | xfs_off_t first, | |
42 | xfs_off_t last, | |
43 | int fiopt) | |
44 | { | |
67fcaa73 | 45 | bhv_vnode_t *vp = BHV_TO_VNODE(bdp); |
ec86dc02 | 46 | struct inode *ip = vn_to_inode(vp); |
d3cf2094 | 47 | int ret = 0; |
1da177e4 LT |
48 | |
49 | if (VN_CACHED(vp)) { | |
7d4fb40a NS |
50 | if (VN_TRUNC(vp)) |
51 | VUNTRUNCATE(vp); | |
d3cf2094 LM |
52 | ret = filemap_write_and_wait(ip->i_mapping); |
53 | if (!ret) | |
54 | truncate_inode_pages(ip->i_mapping, first); | |
1da177e4 | 55 | } |
d3cf2094 | 56 | return ret; |
1da177e4 LT |
57 | } |
58 | ||
1da177e4 LT |
59 | int |
60 | fs_flush_pages( | |
61 | bhv_desc_t *bdp, | |
62 | xfs_off_t first, | |
63 | xfs_off_t last, | |
64 | uint64_t flags, | |
65 | int fiopt) | |
66 | { | |
67fcaa73 | 67 | bhv_vnode_t *vp = BHV_TO_VNODE(bdp); |
ec86dc02 | 68 | struct inode *ip = vn_to_inode(vp); |
d3cf2094 LM |
69 | int ret = 0; |
70 | int ret2; | |
1da177e4 | 71 | |
7d4fb40a NS |
72 | if (VN_DIRTY(vp)) { |
73 | if (VN_TRUNC(vp)) | |
74 | VUNTRUNCATE(vp); | |
d3cf2094 | 75 | ret = filemap_fdatawrite(ip->i_mapping); |
ee34807a | 76 | if (flags & XFS_B_ASYNC) |
d3cf2094 LM |
77 | return ret; |
78 | ret2 = filemap_fdatawait(ip->i_mapping); | |
79 | if (!ret) | |
80 | ret = ret2; | |
1da177e4 | 81 | } |
d3cf2094 | 82 | return ret; |
1da177e4 | 83 | } |