projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| ccd979bd MF |
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 | ||
| 53013cba MF |
25 | int ocfs2_prepare_write_nolock(struct inode *inode, struct page *page, |
| 26 | unsigned from, unsigned to); | |
| ccd979bd | 27 | |
| 1fabe148 | 28 | handle_t *ocfs2_start_walk_page_trans(struct inode *inode, |
| ccd979bd MF |
29 | struct page *page, |
| 30 | unsigned from, | |
| 31 | unsigned to); | |
| 32 | ||
| 60b11392 MF |
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 | int walk_page_buffers( handle_t *handle, | |
| 38 | struct buffer_head *head, | |
| 39 | unsigned from, | |
| 40 | unsigned to, | |
| 41 | int *partial, | |
| 42 | int (*fn)( handle_t *handle, | |
| 43 | struct buffer_head *bh)); | |
| 44 | ||
| 3a307ffc MF |
45 | int ocfs2_write_begin(struct file *file, struct address_space *mapping, |
| 46 | loff_t pos, unsigned len, unsigned flags, | |
| 47 | struct page **pagep, void **fsdata); | |
| 9517bac6 | 48 | |
| 3a307ffc MF |
49 | int ocfs2_write_end(struct file *file, struct address_space *mapping, |
| 50 | loff_t pos, unsigned len, unsigned copied, | |
| 51 | struct page *page, void *fsdata); | |
| 6af67d82 | 52 | |
| 7307de80 MF |
53 | int ocfs2_write_end_nolock(struct address_space *mapping, |
| 54 | loff_t pos, unsigned len, unsigned copied, | |
| 55 | struct page *page, void *fsdata); | |
| 56 | ||
| 57 | int ocfs2_write_begin_nolock(struct address_space *mapping, | |
| 58 | loff_t pos, unsigned len, unsigned flags, | |
| 59 | struct page **pagep, void **fsdata, | |
| 60 | struct buffer_head *di_bh, struct page *mmap_page); | |
| 61 | ||
| ccd979bd MF |
62 | /* all ocfs2_dio_end_io()'s fault */ |
| 63 | #define ocfs2_iocb_is_rw_locked(iocb) \ | |
| 64 | test_bit(0, (unsigned long *)&iocb->private) | |
| 7cdfc3a1 MF |
65 | static inline void ocfs2_iocb_set_rw_locked(struct kiocb *iocb, int level) |
| 66 | { | |
| 67 | set_bit(0, (unsigned long *)&iocb->private); | |
| 68 | if (level) | |
| 69 | set_bit(1, (unsigned long *)&iocb->private); | |
| 70 | else | |
| 71 | clear_bit(1, (unsigned long *)&iocb->private); | |
| 72 | } | |
| ccd979bd MF |
73 | #define ocfs2_iocb_clear_rw_locked(iocb) \ |
| 74 | clear_bit(0, (unsigned long *)&iocb->private) | |
| 7cdfc3a1 MF |
75 | #define ocfs2_iocb_rw_locked_level(iocb) \ |
| 76 | test_bit(1, (unsigned long *)&iocb->private) | |
| ccd979bd | 77 | #endif /* OCFS2_FILE_H */ |