DSM_RANGE_BLOCK_ENTRIES
if (lbaIndex >= fMaxTrimRangeBlocks * DSM_RANGE_BLOCK_ENTRIES
if (lbaRangeCount % DSM_RANGE_BLOCK_ENTRIES != 0)
lbaRangeCount += DSM_RANGE_BLOCK_ENTRIES
- (lbaRangeCount % DSM_RANGE_BLOCK_ENTRIES);