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 * 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 19 * 20 * Written by Koji Sato <koji@osrg.net>. 21 */ 22 23 #ifndef _NILFS_DAT_H 24 #define _NILFS_DAT_H 25 26 #include <linux/types.h> 27 #include <linux/buffer_head.h> 28 #include <linux/fs.h> 29 30 31 struct nilfs_palloc_req; 32 33 int nilfs_dat_translate(struct inode *, __u64, sector_t *); 34 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 *, 40 sector_t); 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 *); 50 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); 55 56 int nilfs_dat_read(struct super_block *sb, size_t entry_size, 57 struct nilfs_inode *raw_inode, struct inode **inodep); 58 59 #endif /* _NILFS_DAT_H */ 60