1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*
* Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#include "xfs.h"
/*
* Stub for no-op vnode operations that return error status.
*/
int
fs_noerr(void)
{
return 0;
}
/*
* Operation unsupported under this file system.
*/
int
fs_nosys(void)
{
return ENOSYS;
}
/*
* Stub for inactive, strategy, and read/write lock/unlock. Does nothing.
*/
/* ARGSUSED */
void
fs_noval(void)
{
}
/*
* vnode pcache layer for vnode_tosspages.
* 'last' parameter unused but left in for IRIX compatibility
*/
void
fs_tosspages(
bhv_desc_t *bdp,
xfs_off_t first,
xfs_off_t last,
int fiopt)
{
vnode_t *vp = BHV_TO_VNODE(bdp);
struct inode *ip = LINVFS_GET_IP(vp);
if (VN_CACHED(vp))
truncate_inode_pages(ip->i_mapping, first);
}
/*
* vnode pcache layer for vnode_flushinval_pages.
* 'last' parameter unused but left in for IRIX compatibility
*/
void
fs_flushinval_pages(
bhv_desc_t *bdp,
xfs_off_t first,
xfs_off_t last,
int fiopt)
{
vnode_t *vp = BHV_TO_VNODE(bdp);
struct inode *ip = LINVFS_GET_IP(vp);
if (VN_CACHED(vp)) {
filemap_fdatawrite(ip->i_mapping);
filemap_fdatawait(ip->i_mapping);
truncate_inode_pages(ip->i_mapping, first);
}
}
/*
* vnode pcache layer for vnode_flush_pages.
* 'last' parameter unused but left in for IRIX compatibility
*/
int
fs_flush_pages(
bhv_desc_t *bdp,
xfs_off_t first,
xfs_off_t last,
uint64_t flags,
int fiopt)
{
vnode_t *vp = BHV_TO_VNODE(bdp);
struct inode *ip = LINVFS_GET_IP(vp);
if (VN_CACHED(vp)) {
filemap_fdatawrite(ip->i_mapping);
filemap_fdatawait(ip->i_mapping);
}
return 0;
}
|
