/* * 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. * * Written by Koji Sato. */ #ifndef _NILFS_DAT_H #define _NILFS_DAT_H #include <linux/types.h> #include <linux/buffer_head.h> #include <linux/fs.h> #include <linux/nilfs2_ondisk.h> /* nilfs_inode, nilfs_checkpoint */ 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 int, 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 */