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yaffs_bitmap.h 1.1 KB

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  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. * Chunk bitmap manipulations
  17. */
  18. #ifndef __YAFFS_BITMAP_H__
  19. #define __YAFFS_BITMAP_H__
  20. #include "yaffs_guts.h"
  21. void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk);
  22. void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk);
  23. void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
  24. void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
  25. int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
  26. int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk);
  27. int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk);
  28. #endif