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753ac610 CM |
1 | /* |
2 | * YAFFS: Yet another Flash File System . A NAND-flash specific file system. | |
3 | * | |
4 | * Copyright (C) 2002-2011 Aleph One Ltd. | |
5 | * for Toby Churchill Ltd and Brightstar Engineering | |
6 | * | |
7 | * Created by Charles Manning <charles@aleph1.co.uk> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU Lesser General Public License version 2.1 as | |
11 | * published by the Free Software Foundation. | |
12 | * | |
13 | * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. | |
14 | */ | |
15 | ||
16 | #ifndef __YAFFS_YAFFS2_H__ | |
17 | #define __YAFFS_YAFFS2_H__ | |
18 | ||
19 | #include "yaffs_guts.h" | |
20 | ||
21 | void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev); | |
22 | void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev); | |
23 | void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev, | |
24 | struct yaffs_block_info *bi); | |
25 | void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no, | |
26 | struct yaffs_block_info *bi); | |
27 | int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi); | |
28 | u32 yaffs2_find_refresh_block(struct yaffs_dev *dev); | |
29 | int yaffs2_checkpt_required(struct yaffs_dev *dev); | |
30 | int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev); | |
31 | ||
32 | void yaffs2_checkpt_invalidate(struct yaffs_dev *dev); | |
33 | int yaffs2_checkpt_save(struct yaffs_dev *dev); | |
34 | int yaffs2_checkpt_restore(struct yaffs_dev *dev); | |
35 | ||
36 | int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size); | |
37 | int yaffs2_scan_backwards(struct yaffs_dev *dev); | |
38 | ||
39 | #endif |