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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 | handle_t *ocfs2_start_walk_page_trans(struct inode *inode, |
29 | struct page *page, |
30 | unsigned from, |
31 | unsigned to); |
32 | |
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); |
36 | |
37 | void ocfs2_unlock_and_free_pages(struct page **pages, int num_pages); |
38 | |
39 | int walk_page_buffers( handle_t *handle, |
40 | struct buffer_head *head, |
41 | unsigned from, |
42 | unsigned to, |
43 | int *partial, |
44 | int (*fn)( handle_t *handle, |
45 | struct buffer_head *bh)); |
46 | |
47 | int ocfs2_write_end_nolock(struct address_space *mapping, |
48 | loff_t pos, unsigned len, unsigned copied, |
49 | struct page *page, void *fsdata); |
50 | |
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); |
55 | |
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); |
59 | |
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) |
64 | { |
65 | set_bit(0, (unsigned long *)&iocb->private); |
66 | if (level) |
67 | set_bit(1, (unsigned long *)&iocb->private); |
68 | else |
69 | clear_bit(1, (unsigned long *)&iocb->private); |
70 | } |
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 */ |
76 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9