diff options
Diffstat (limited to 'kernel/fs/nilfs2/dat.h')
| -rw-r--r-- | kernel/fs/nilfs2/dat.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/kernel/fs/nilfs2/dat.h b/kernel/fs/nilfs2/dat.h new file mode 100644 index 000000000..cbd8e9732 --- /dev/null +++ b/kernel/fs/nilfs2/dat.h @@ -0,0 +1,59 @@ +/* + * dat.h - NILFS disk address translation. + * + * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Written by Koji Sato <koji@osrg.net>. + */ + +#ifndef _NILFS_DAT_H +#define _NILFS_DAT_H + +#include <linux/types.h> +#include <linux/buffer_head.h> +#include <linux/fs.h> + + +struct nilfs_palloc_req; + +int nilfs_dat_translate(struct inode *, __u64, sector_t *); + +int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *); +void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *); +void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *); +int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *); +void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *, + sector_t); +int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *); +void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int); +void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *); +int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *, + struct nilfs_palloc_req *); +void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *, + struct nilfs_palloc_req *, int); +void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *, + struct nilfs_palloc_req *); + +int nilfs_dat_mark_dirty(struct inode *, __u64); +int nilfs_dat_freev(struct inode *, __u64 *, size_t); +int nilfs_dat_move(struct inode *, __u64, sector_t); +ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned, size_t); + +int nilfs_dat_read(struct super_block *sb, size_t entry_size, + struct nilfs_inode *raw_inode, struct inode **inodep); + +#endif /* _NILFS_DAT_H */ |