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Diffstat (limited to 'fs/xfs/linux-2.6/xfs_fs_subr.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_fs_subr.c59
1 files changed, 12 insertions, 47 deletions
diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/linux-2.6/xfs_fs_subr.c
index 575f2a790f31..dc0562828e76 100644
--- a/fs/xfs/linux-2.6/xfs_fs_subr.c
+++ b/fs/xfs/linux-2.6/xfs_fs_subr.c
@@ -1,5 +1,5 @@
1/* 1/*
2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. 2 * Copyright (c) 2000-2002,2005-2006 Silicon Graphics, Inc.
3 * All Rights Reserved. 3 * All Rights Reserved.
4 * 4 *
5 * This program is free software; you can redistribute it and/or 5 * This program is free software; you can redistribute it and/or
@@ -15,40 +15,12 @@
15 * along with this program; if not, write the Free Software Foundation, 15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */ 17 */
18
19#include "xfs.h" 18#include "xfs.h"
20 19
21/* 20int fs_noerr(void) { return 0; }
22 * Stub for no-op vnode operations that return error status. 21int fs_nosys(void) { return ENOSYS; }
23 */ 22void fs_noval(void) { return; }
24int
25fs_noerr(void)
26{
27 return 0;
28}
29 23
30/*
31 * Operation unsupported under this file system.
32 */
33int
34fs_nosys(void)
35{
36 return ENOSYS;
37}
38
39/*
40 * Stub for inactive, strategy, and read/write lock/unlock. Does nothing.
41 */
42/* ARGSUSED */
43void
44fs_noval(void)
45{
46}
47
48/*
49 * vnode pcache layer for vnode_tosspages.
50 * 'last' parameter unused but left in for IRIX compatibility
51 */
52void 24void
53fs_tosspages( 25fs_tosspages(
54 bhv_desc_t *bdp, 26 bhv_desc_t *bdp,
@@ -56,18 +28,13 @@ fs_tosspages(
56 xfs_off_t last, 28 xfs_off_t last,
57 int fiopt) 29 int fiopt)
58{ 30{
59 vnode_t *vp = BHV_TO_VNODE(bdp); 31 bhv_vnode_t *vp = BHV_TO_VNODE(bdp);
60 struct inode *ip = vn_to_inode(vp); 32 struct inode *ip = vn_to_inode(vp);
61 33
62 if (VN_CACHED(vp)) 34 if (VN_CACHED(vp))
63 truncate_inode_pages(ip->i_mapping, first); 35 truncate_inode_pages(ip->i_mapping, first);
64} 36}
65 37
66
67/*
68 * vnode pcache layer for vnode_flushinval_pages.
69 * 'last' parameter unused but left in for IRIX compatibility
70 */
71void 38void
72fs_flushinval_pages( 39fs_flushinval_pages(
73 bhv_desc_t *bdp, 40 bhv_desc_t *bdp,
@@ -75,20 +42,17 @@ fs_flushinval_pages(
75 xfs_off_t last, 42 xfs_off_t last,
76 int fiopt) 43 int fiopt)
77{ 44{
78 vnode_t *vp = BHV_TO_VNODE(bdp); 45 bhv_vnode_t *vp = BHV_TO_VNODE(bdp);
79 struct inode *ip = vn_to_inode(vp); 46 struct inode *ip = vn_to_inode(vp);
80 47
81 if (VN_CACHED(vp)) { 48 if (VN_CACHED(vp)) {
49 if (VN_TRUNC(vp))
50 VUNTRUNCATE(vp);
82 filemap_write_and_wait(ip->i_mapping); 51 filemap_write_and_wait(ip->i_mapping);
83
84 truncate_inode_pages(ip->i_mapping, first); 52 truncate_inode_pages(ip->i_mapping, first);
85 } 53 }
86} 54}
87 55
88/*
89 * vnode pcache layer for vnode_flush_pages.
90 * 'last' parameter unused but left in for IRIX compatibility
91 */
92int 56int
93fs_flush_pages( 57fs_flush_pages(
94 bhv_desc_t *bdp, 58 bhv_desc_t *bdp,
@@ -97,15 +61,16 @@ fs_flush_pages(
97 uint64_t flags, 61 uint64_t flags,
98 int fiopt) 62 int fiopt)
99{ 63{
100 vnode_t *vp = BHV_TO_VNODE(bdp); 64 bhv_vnode_t *vp = BHV_TO_VNODE(bdp);
101 struct inode *ip = vn_to_inode(vp); 65 struct inode *ip = vn_to_inode(vp);
102 66
103 if (VN_CACHED(vp)) { 67 if (VN_DIRTY(vp)) {
68 if (VN_TRUNC(vp))
69 VUNTRUNCATE(vp);
104 filemap_fdatawrite(ip->i_mapping); 70 filemap_fdatawrite(ip->i_mapping);
105 if (flags & XFS_B_ASYNC) 71 if (flags & XFS_B_ASYNC)
106 return 0; 72 return 0;
107 filemap_fdatawait(ip->i_mapping); 73 filemap_fdatawait(ip->i_mapping);
108 } 74 }
109
110 return 0; 75 return 0;
111} 76}