| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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 */ |