rem: uint8 *SetTo(block_run run, bool empty = false) { return SetTo(fVolume->ToBlock(run), empty); }
add: CachedBlock::SetTo(block_run run, bool empty = false) { return SetTo(fVolume->ToBlock(run), empty); }
context: 		uint8 *SetTo(block_run run, bool empty = false)		{			return SetTo(fVolume->ToBlock(run), empty);		}