xref: /linux/fs/ocfs2/aops.h (revision f3d9478b2ce468c3115b02ecae7e975990697f15)
1 /* -*- mode: c; c-basic-offset: 8; -*-
2  * vim: noexpandtab sw=8 ts=8 sts=0:
3  *
4  * Copyright (C) 2002, 2004, 2005 Oracle.  All rights reserved.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public
17  * License along with this program; if not, write to the
18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19  * Boston, MA 021110-1307, USA.
20  */
21 
22 #ifndef OCFS2_AOPS_H
23 #define OCFS2_AOPS_H
24 
25 int ocfs2_prepare_write_nolock(struct inode *inode, struct page *page,
26 			       unsigned from, unsigned to);
27 
28 struct ocfs2_journal_handle *ocfs2_start_walk_page_trans(struct inode *inode,
29 							 struct page *page,
30 							 unsigned from,
31 							 unsigned to);
32 
33 /* all ocfs2_dio_end_io()'s fault */
34 #define ocfs2_iocb_is_rw_locked(iocb) \
35 	test_bit(0, (unsigned long *)&iocb->private)
36 #define ocfs2_iocb_set_rw_locked(iocb) \
37 	set_bit(0, (unsigned long *)&iocb->private)
38 #define ocfs2_iocb_clear_rw_locked(iocb) \
39 	clear_bit(0, (unsigned long *)&iocb->private)
40 
41 #endif /* OCFS2_FILE_H */
42