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-rw-r--r--fs/yaffs2/yaffs_bitmap.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/fs/yaffs2/yaffs_bitmap.c b/fs/yaffs2/yaffs_bitmap.c
deleted file mode 100644
index 7df42cd..0000000
--- a/fs/yaffs2/yaffs_bitmap.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2010 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include "yaffs_bitmap.h"
-#include "yaffs_trace.h"
-/*
- * Chunk bitmap manipulations
- */
-
-static inline u8 *yaffs_block_bits(struct yaffs_dev *dev, int blk)
-{
- if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
- yaffs_trace(YAFFS_TRACE_ERROR,
- "BlockBits block %d is not valid",
- blk);
- YBUG();
- }
- return dev->chunk_bits +
- (dev->chunk_bit_stride * (blk - dev->internal_start_block));
-}
-
-void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk)
-{
- if (blk < dev->internal_start_block || blk > dev->internal_end_block ||
- chunk < 0 || chunk >= dev->param.chunks_per_block) {
- yaffs_trace(YAFFS_TRACE_ERROR,
- "Chunk Id (%d:%d) invalid",
- blk, chunk);
- YBUG();
- }
-}
-
-void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk)
-{
- u8 *blk_bits = yaffs_block_bits(dev, blk);
-
- memset(blk_bits, 0, dev->chunk_bit_stride);
-}
-
-void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
-{
- u8 *blk_bits = yaffs_block_bits(dev, blk);
-
- yaffs_verify_chunk_bit_id(dev, blk, chunk);
-
- blk_bits[chunk / 8] &= ~(1 << (chunk & 7));
-}
-
-void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
-{
- u8 *blk_bits = yaffs_block_bits(dev, blk);
-
- yaffs_verify_chunk_bit_id(dev, blk, chunk);
-
- blk_bits[chunk / 8] |= (1 << (chunk & 7));
-}
-
-int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
-{
- u8 *blk_bits = yaffs_block_bits(dev, blk);
- yaffs_verify_chunk_bit_id(dev, blk, chunk);
-
- return (blk_bits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
-}
-
-int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk)
-{
- u8 *blk_bits = yaffs_block_bits(dev, blk);
- int i;
- for (i = 0; i < dev->chunk_bit_stride; i++) {
- if (*blk_bits)
- return 1;
- blk_bits++;
- }
- return 0;
-}
-
-int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk)
-{
- u8 *blk_bits = yaffs_block_bits(dev, blk);
- int i;
- int n = 0;
-
- for (i = 0; i < dev->chunk_bit_stride; i++, blk_bits++)
- n += hweight8(*blk_bits);
-
- return n;
-}