_VolFlush( unsigned int Volume, int Flags )
This service is called to flush a volume. The flush can just cause dirty buffers to be written or it can force all cached data in the FSD to be discarded in addition. This is usually called before a volume is being removed to flush all dirty buffers to disk.
Volume
Supplies a 0-based drive number for the volume that needs to be flushed.
Flags
The flag values are listed below.
| Flush Flag Values: | |
| Value | Meaning |
| VOL_DISCARD_CACHE | Indicates that any filesystem data that is cached should be discarded. |