Free space bitmap

Free-Space Bitmaps are one method used to track allocated sectors by some file systems. While the most simplistic design is highly inefficient, advanced or hybrid implementations of free space bitmaps are used by some modern file systems.

Free space bitmap

Free-Space Bitmaps are one method used to track allocated sectors by some file systems. While the most simplistic design is highly inefficient, advanced or hybrid implementations of free space bitmaps are used by some modern file systems.