2 * dat.h - NILFS disk address translation.
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 * 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
20 * Written by Koji Sato <koji@osrg.net>.
26 #include <linux/types.h>
27 #include <linux/buffer_head.h>
31 struct nilfs_palloc_req;
33 int nilfs_dat_translate(struct inode *, __u64, sector_t *);
35 int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *);
36 void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *);
37 void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *);
38 int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *);
39 void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
41 int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
42 void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
43 void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
44 int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
45 struct nilfs_palloc_req *);
46 void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
47 struct nilfs_palloc_req *, int);
48 void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
49 struct nilfs_palloc_req *);
51 int nilfs_dat_mark_dirty(struct inode *, __u64);
52 int nilfs_dat_freev(struct inode *, __u64 *, size_t);
53 int nilfs_dat_move(struct inode *, __u64, sector_t);
54 ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned, size_t);
56 int nilfs_dat_read(struct super_block *sb, size_t entry_size,
57 struct nilfs_inode *raw_inode, struct inode **inodep);
59 #endif /* _NILFS_DAT_H */