2 * ifile.h - NILFS inode file
4 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
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.
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.
16 * Written by Amagai Yoshiji.
17 * Revised by Ryusuke Konishi.
21 #ifndef _NILFS_IFILE_H
22 #define _NILFS_IFILE_H
25 #include <linux/buffer_head.h>
26 #include <linux/nilfs2_fs.h>
31 static inline struct nilfs_inode
*
32 nilfs_ifile_map_inode(struct inode
*ifile
, ino_t ino
, struct buffer_head
*ibh
)
34 void *kaddr
= kmap(ibh
->b_page
);
36 return nilfs_palloc_block_get_entry(ifile
, ino
, ibh
, kaddr
);
39 static inline void nilfs_ifile_unmap_inode(struct inode
*ifile
, ino_t ino
,
40 struct buffer_head
*ibh
)
45 int nilfs_ifile_create_inode(struct inode
*, ino_t
*, struct buffer_head
**);
46 int nilfs_ifile_delete_inode(struct inode
*, ino_t
);
47 int nilfs_ifile_get_inode_block(struct inode
*, ino_t
, struct buffer_head
**);
49 int nilfs_ifile_count_free_inodes(struct inode
*, u64
*, u64
*);
51 int nilfs_ifile_read(struct super_block
*sb
, struct nilfs_root
*root
,
52 size_t inode_size
, struct nilfs_inode
*raw_inode
,
53 struct inode
**inodep
);
55 #endif /* _NILFS_IFILE_H */
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