* Chunk bitmap manipulations
*/
-static Y_INLINE __u8 *yaffs_BlockBits(yaffs_dev_t *dev, int blk)
+static inline u8 *yaffs_block_bits(struct yaffs_dev *dev, int blk)
{
if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
- blk));
+ 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));
+ (dev->chunk_bit_stride * (blk - dev->internal_start_block));
}
-void yaffs_verify_chunk_bit_id(yaffs_dev_t *dev, int blk, int chunk)
+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) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),
- blk, chunk));
+ 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(yaffs_dev_t *dev, int blk)
+void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk)
{
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
+ u8 *blk_bits = yaffs_block_bits(dev, blk);
- memset(blkBits, 0, dev->chunk_bit_stride);
+ memset(blk_bits, 0, dev->chunk_bit_stride);
}
-void yaffs_clear_chunk_bit(yaffs_dev_t *dev, int blk, int chunk)
+void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
{
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
+ u8 *blk_bits = yaffs_block_bits(dev, blk);
yaffs_verify_chunk_bit_id(dev, blk, chunk);
- blkBits[chunk / 8] &= ~(1 << (chunk & 7));
+ blk_bits[chunk / 8] &= ~(1 << (chunk & 7));
}
-void yaffs_set_chunk_bit(yaffs_dev_t *dev, int blk, int chunk)
+void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
{
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
+ u8 *blk_bits = yaffs_block_bits(dev, blk);
yaffs_verify_chunk_bit_id(dev, blk, chunk);
- blkBits[chunk / 8] |= (1 << (chunk & 7));
+ blk_bits[chunk / 8] |= (1 << (chunk & 7));
}
-int yaffs_check_chunk_bit(yaffs_dev_t *dev, int blk, int chunk)
+int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
{
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
+ u8 *blk_bits = yaffs_block_bits(dev, blk);
yaffs_verify_chunk_bit_id(dev, blk, chunk);
- return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
+ return (blk_bits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
}
-int yaffs_still_some_chunks(yaffs_dev_t *dev, int blk)
+int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk)
{
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
+ u8 *blk_bits = yaffs_block_bits(dev, blk);
int i;
for (i = 0; i < dev->chunk_bit_stride; i++) {
- if (*blkBits)
+ if (*blk_bits)
return 1;
- blkBits++;
+ blk_bits++;
}
return 0;
}
-int yaffs_count_chunk_bits(yaffs_dev_t *dev, int blk)
+int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk)
{
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
+ u8 *blk_bits = yaffs_block_bits(dev, blk);
int i;
int n = 0;
- for (i = 0; i < dev->chunk_bit_stride; i++) {
- __u8 x = *blkBits;
- while (x) {
- if (x & 1)
- n++;
- x >>= 1;
- }
-
- blkBits++;
- }
+
+ for (i = 0; i < dev->chunk_bit_stride; i++, blk_bits++)
+ n += hweight8(*blk_bits);
+
return n;
}
-