1 /* 2 * dat.h - NILFS disk address translation. 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 * Written by Koji Sato. 17 */ 18 19 #ifndef _NILFS_DAT_H 20 #define _NILFS_DAT_H 21 22 #include <linux/types.h> 23 #include <linux/buffer_head.h> 24 #include <linux/fs.h> 25 #include <linux/nilfs2_ondisk.h> /* nilfs_inode, nilfs_checkpoint */ 26 27 28 struct nilfs_palloc_req; 29 30 int nilfs_dat_translate(struct inode *, __u64, sector_t *); 31 32 int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *); 33 void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *); 34 void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *); 35 int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *); 36 void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *, 37 sector_t); 38 int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *); 39 void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int); 40 void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *); 41 int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *, 42 struct nilfs_palloc_req *); 43 void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *, 44 struct nilfs_palloc_req *, int); 45 void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *, 46 struct nilfs_palloc_req *); 47 48 int nilfs_dat_mark_dirty(struct inode *, __u64); 49 int nilfs_dat_freev(struct inode *, __u64 *, size_t); 50 int nilfs_dat_move(struct inode *, __u64, sector_t); 51 ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned int, size_t); 52 53 int nilfs_dat_read(struct super_block *sb, size_t entry_size, 54 struct nilfs_inode *raw_inode, struct inode **inodep); 55 56 #endif /* _NILFS_DAT_H */ 57