1*753ac610SCharles Manning /* 2*753ac610SCharles Manning * YAFFS: Yet another Flash File System . A NAND-flash specific file system. 3*753ac610SCharles Manning * 4*753ac610SCharles Manning * Copyright (C) 2002-2011 Aleph One Ltd. 5*753ac610SCharles Manning * for Toby Churchill Ltd and Brightstar Engineering 6*753ac610SCharles Manning * 7*753ac610SCharles Manning * Created by Charles Manning <charles@aleph1.co.uk> 8*753ac610SCharles Manning * 9*753ac610SCharles Manning * This program is free software; you can redistribute it and/or modify 10*753ac610SCharles Manning * it under the terms of the GNU Lesser General Public License version 2.1 as 11*753ac610SCharles Manning * published by the Free Software Foundation. 12*753ac610SCharles Manning * 13*753ac610SCharles Manning * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. 14*753ac610SCharles Manning */ 15*753ac610SCharles Manning 16*753ac610SCharles Manning #ifndef __YAFFS_YAFFS2_H__ 17*753ac610SCharles Manning #define __YAFFS_YAFFS2_H__ 18*753ac610SCharles Manning 19*753ac610SCharles Manning #include "yaffs_guts.h" 20*753ac610SCharles Manning 21*753ac610SCharles Manning void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev); 22*753ac610SCharles Manning void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev); 23*753ac610SCharles Manning void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev, 24*753ac610SCharles Manning struct yaffs_block_info *bi); 25*753ac610SCharles Manning void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no, 26*753ac610SCharles Manning struct yaffs_block_info *bi); 27*753ac610SCharles Manning int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi); 28*753ac610SCharles Manning u32 yaffs2_find_refresh_block(struct yaffs_dev *dev); 29*753ac610SCharles Manning int yaffs2_checkpt_required(struct yaffs_dev *dev); 30*753ac610SCharles Manning int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev); 31*753ac610SCharles Manning 32*753ac610SCharles Manning void yaffs2_checkpt_invalidate(struct yaffs_dev *dev); 33*753ac610SCharles Manning int yaffs2_checkpt_save(struct yaffs_dev *dev); 34*753ac610SCharles Manning int yaffs2_checkpt_restore(struct yaffs_dev *dev); 35*753ac610SCharles Manning 36*753ac610SCharles Manning int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size); 37*753ac610SCharles Manning int yaffs2_scan_backwards(struct yaffs_dev *dev); 38*753ac610SCharles Manning 39*753ac610SCharles Manning #endif 40