| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * YAFFS: Yet another Flash File System . A NAND-flash specific file system. |
| 3 | * |
| 4 | * Copyright (C) 2002-2018 Aleph One Ltd. |
| 5 | * |
| 6 | * Created by Charles Manning <charles@aleph1.co.uk> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU Lesser General Public License version 2.1 as |
| 10 | * published by the Free Software Foundation. |
| 11 | * |
| 12 | * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. |
| 13 | */ |
| 14 | |
| 15 | #ifndef __YAFFS_YAFFS2_H__ |
| 16 | #define __YAFFS_YAFFS2_H__ |
| 17 | |
| 18 | #include "yaffs_guts.h" |
| 19 | |
| 20 | void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev); |
| 21 | void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev); |
| 22 | void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev, |
| 23 | struct yaffs_block_info *bi); |
| 24 | void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no, |
| 25 | struct yaffs_block_info *bi); |
| 26 | int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi); |
| 27 | u32 yaffs2_find_refresh_block(struct yaffs_dev *dev); |
| 28 | int yaffs2_checkpt_required(struct yaffs_dev *dev); |
| 29 | int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev); |
| 30 | |
| 31 | void yaffs2_checkpt_invalidate(struct yaffs_dev *dev); |
| 32 | int yaffs2_checkpt_save(struct yaffs_dev *dev); |
| 33 | int yaffs2_checkpt_restore(struct yaffs_dev *dev); |
| 34 | |
| 35 | int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size); |
| 36 | int yaffs2_scan_backwards(struct yaffs_dev *dev); |
| 37 | |
| 38 | #endif |