2 * Copyright (c) 2000-2002,2005-2006 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
19 #include "xfs_vnodeops.h"
20 #include "xfs_bmap_btree.h"
21 #include "xfs_inode.h"
22 #include "xfs_trace.h"
24 int fs_noerr(void) { return 0; }
25 int fs_nosys(void) { return ENOSYS; }
26 void fs_noval(void) { return; }
29 * note: all filemap functions return negative error codes. These
30 * need to be inverted before returning to the xfs core functions.
39 struct address_space *mapping = VFS_I(ip)->i_mapping;
42 truncate_inode_pages(mapping, first);
52 struct address_space *mapping = VFS_I(ip)->i_mapping;
55 trace_xfs_pagecache_inval(ip, first, last);
57 if (mapping->nrpages) {
58 xfs_iflags_clear(ip, XFS_ITRUNCATED);
59 ret = filemap_write_and_wait(mapping);
61 truncate_inode_pages(mapping, first);
74 struct address_space *mapping = VFS_I(ip)->i_mapping;
78 if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
79 xfs_iflags_clear(ip, XFS_ITRUNCATED);
80 ret = -filemap_fdatawrite(mapping);
82 if (flags & XFS_B_ASYNC)
84 ret2 = xfs_wait_on_pages(ip, first, last);
96 struct address_space *mapping = VFS_I(ip)->i_mapping;
98 if (mapping_tagged(mapping, PAGECACHE_TAG_WRITEBACK))
99 return -filemap_fdatawait(mapping);