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1 | /* |
2 | * ifile.h - NILFS inode file |
3 | * |
4 | * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation. |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * (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 |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
19 | * |
20 | * Written by Amagai Yoshiji <amagai@osrg.net> |
21 | * Revised by Ryusuke Konishi <ryusuke@osrg.net> |
22 | * |
23 | */ |
24 | |
25 | #ifndef _NILFS_IFILE_H |
26 | #define _NILFS_IFILE_H |
27 | |
28 | #include <linux/fs.h> |
29 | #include <linux/buffer_head.h> |
30 | #include <linux/nilfs2_fs.h> |
31 | #include "mdt.h" |
32 | #include "alloc.h" |
33 | |
34 | |
35 | static inline struct nilfs_inode * |
36 | nilfs_ifile_map_inode(struct inode *ifile, ino_t ino, struct buffer_head *ibh) |
37 | { |
38 | void *kaddr = kmap(ibh->b_page); |
39 | return nilfs_palloc_block_get_entry(ifile, ino, ibh, kaddr); |
40 | } |
41 | |
42 | static inline void nilfs_ifile_unmap_inode(struct inode *ifile, ino_t ino, |
43 | struct buffer_head *ibh) |
44 | { |
45 | kunmap(ibh->b_page); |
46 | } |
47 | |
48 | int nilfs_ifile_create_inode(struct inode *, ino_t *, struct buffer_head **); |
49 | int nilfs_ifile_delete_inode(struct inode *, ino_t); |
50 | int nilfs_ifile_get_inode_block(struct inode *, ino_t, struct buffer_head **); |
51 | |
52 | struct inode *nilfs_ifile_new(struct nilfs_sb_info *sbi, size_t inode_size); |
53 | |
54 | #endif /* _NILFS_IFILE_H */ |
55 |
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v2.6.34-rc5
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v3.9