/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002-2010 Aleph One Ltd.
+ * Copyright (C) 2002-2011 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
* Chunk bitmap manipulations
*/
-static inline u8 *yaffs_block_bits(struct yaffs_dev *dev, int blk)
+static inline u8 *yaffs_block_bits(struct yaffs_dev *dev, u32 blk)
{
if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
yaffs_trace(YAFFS_TRACE_ERROR,
(dev->chunk_bit_stride * (blk - dev->internal_start_block));
}
-void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk)
+void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, u32 blk, u32 chunk)
{
- if (blk < dev->internal_start_block || blk > dev->internal_end_block ||
- chunk < 0 || chunk >= dev->param.chunks_per_block) {
+ if (blk < dev->internal_start_block ||
+ blk > dev->internal_end_block ||
+ chunk >= dev->param.chunks_per_block) {
yaffs_trace(YAFFS_TRACE_ERROR,
"Chunk Id (%d:%d) invalid",
blk, chunk);
}
}
-void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk)
+void yaffs_clear_chunk_bits(struct yaffs_dev *dev, u32 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)
+void yaffs_clear_chunk_bit(struct yaffs_dev *dev, u32 blk, u32 chunk)
{
u8 *blk_bits = yaffs_block_bits(dev, blk);
blk_bits[chunk / 8] &= ~(1 << (chunk & 7));
}
-void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
+void yaffs_set_chunk_bit(struct yaffs_dev *dev, u32 blk, u32 chunk)
{
u8 *blk_bits = yaffs_block_bits(dev, blk);
blk_bits[chunk / 8] |= (1 << (chunk & 7));
}
-int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
+int yaffs_check_chunk_bit(struct yaffs_dev *dev, u32 blk, u32 chunk)
{
u8 *blk_bits = yaffs_block_bits(dev, blk);
return (blk_bits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
}
-int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk)
+int yaffs_still_some_chunks(struct yaffs_dev *dev, u32 blk)
{
u8 *blk_bits = yaffs_block_bits(dev, blk);
- int i;
+ u32 i;
for (i = 0; i < dev->chunk_bit_stride; i++) {
if (*blk_bits)
return 0;
}
-int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk)
+int yaffs_count_chunk_bits(struct yaffs_dev *dev, u32 blk)
{
u8 *blk_bits = yaffs_block_bits(dev, blk);
- int i;
+ u32 i;
int n = 0;
for (i = 0; i < dev->chunk_bit_stride; i++, blk_bits++)