Btrfs: heuristic: add bucket and sample counters and other defines
Add basic defines and structures for data sampling.
Added macros:
- For future sampling algo
- For bucket size
Heuristic workspace:
- Add bucket for storing byte type counters
- Add sample array for storing partial copy of input data range
- Add counter for store current sample size to workspace
Signed-off-by: Timofey Titovets <[email protected]>
Reviewed-by: David Sterba <[email protected]>
[ minor coding style fixes, comments updated ]
Signed-off-by: David Sterba <[email protected]>
1 file changed
