1 /* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
4 * Copyright (C) 2002, 2004, 2005 Oracle. All rights reserved.
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.
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.
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.
25 int ocfs2_prepare_write_nolock(struct inode
*inode
, struct page
*page
,
26 unsigned from
, unsigned to
);
28 handle_t
*ocfs2_start_walk_page_trans(struct inode
*inode
,
33 int ocfs2_map_page_blocks(struct page
*page
, u64
*p_blkno
,
34 struct inode
*inode
, unsigned int from
,
35 unsigned int to
, int new);
37 void ocfs2_unlock_and_free_pages(struct page
**pages
, int num_pages
);
39 int walk_page_buffers( handle_t
*handle
,
40 struct buffer_head
*head
,
44 int (*fn
)( handle_t
*handle
,
45 struct buffer_head
*bh
));
47 int ocfs2_write_end_nolock(struct address_space
*mapping
,
48 loff_t pos
, unsigned len
, unsigned copied
,
49 struct page
*page
, void *fsdata
);
51 int ocfs2_write_begin_nolock(struct address_space
*mapping
,
52 loff_t pos
, unsigned len
, unsigned flags
,
53 struct page
**pagep
, void **fsdata
,
54 struct buffer_head
*di_bh
, struct page
*mmap_page
);
56 int ocfs2_read_inline_data(struct inode
*inode
, struct page
*page
,
57 struct buffer_head
*di_bh
);
58 int ocfs2_size_fits_inline_data(struct buffer_head
*di_bh
, u64 new_size
);
60 /* all ocfs2_dio_end_io()'s fault */
61 #define ocfs2_iocb_is_rw_locked(iocb) \
62 test_bit(0, (unsigned long *)&iocb->private)
63 static inline void ocfs2_iocb_set_rw_locked(struct kiocb
*iocb
, int level
)
65 set_bit(0, (unsigned long *)&iocb
->private);
67 set_bit(1, (unsigned long *)&iocb
->private);
69 clear_bit(1, (unsigned long *)&iocb
->private);
71 #define ocfs2_iocb_clear_rw_locked(iocb) \
72 clear_bit(0, (unsigned long *)&iocb->private)
73 #define ocfs2_iocb_rw_locked_level(iocb) \
74 test_bit(1, (unsigned long *)&iocb->private)
75 #endif /* OCFS2_FILE_H */
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