2012-10-30 22:58:17 +08:00
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/*
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2013-12-16 15:51:19 +08:00
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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
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2012-10-30 22:58:17 +08:00
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*
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2013-12-16 15:51:19 +08:00
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* Copyright (C) 2002-2011 Aleph One Ltd.
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2012-10-30 22:58:17 +08:00
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* for Toby Churchill Ltd and Brightstar Engineering
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*
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* Created by Charles Manning <charles@aleph1.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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2013-12-16 15:51:19 +08:00
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* it under the terms of the GNU Lesser General Public License version 2.1 as
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2012-10-30 22:58:17 +08:00
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* published by the Free Software Foundation.
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2013-12-16 15:51:19 +08:00
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*
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* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
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2012-10-30 22:58:17 +08:00
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*/
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#ifndef __YAFFS_YAFFS2_H__
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#define __YAFFS_YAFFS2_H__
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#include "yaffs_guts.h"
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2013-12-16 15:51:19 +08:00
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void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev);
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void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev);
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void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev,
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struct yaffs_block_info *bi);
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void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no,
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struct yaffs_block_info *bi);
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int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi);
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u32 yaffs2_find_refresh_block(struct yaffs_dev *dev);
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int yaffs2_checkpt_required(struct yaffs_dev *dev);
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int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev);
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2012-10-30 22:58:17 +08:00
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2013-12-16 15:51:19 +08:00
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void yaffs2_checkpt_invalidate(struct yaffs_dev *dev);
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int yaffs2_checkpt_save(struct yaffs_dev *dev);
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int yaffs2_checkpt_restore(struct yaffs_dev *dev);
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2012-10-30 22:58:17 +08:00
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2013-12-16 15:51:19 +08:00
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int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size);
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int yaffs2_scan_backwards(struct yaffs_dev *dev);
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2012-10-30 22:58:17 +08:00
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#endif
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