913     Extent extent = operation.dst_extents(i);  in PerformZeroOrDiscardOperation()  local
914     const uint64_t start = extent.start_block() * block_size_;  in PerformZeroOrDiscardOperation()
915     const uint64_t length = extent.num_blocks() * block_size_;  in PerformZeroOrDiscardOperation()
955     const Extent& extent = operation.src_extents(i);  in PerformMoveOperation()  local
956     const size_t bytes = extent.num_blocks() * block_size_;  in PerformMoveOperation()
957     TEST_AND_RETURN_FALSE(extent.start_block() != kSparseHole);  in PerformMoveOperation()
961                                           extent.start_block() * block_size_,  in PerformMoveOperation()
971     const Extent& extent = operation.dst_extents(i);  in PerformMoveOperation()  local
972     const size_t bytes = extent.num_blocks() * block_size_;  in PerformMoveOperation()
973     TEST_AND_RETURN_FALSE(extent.start_block() != kSparseHole);  in PerformMoveOperation()
977                                            extent.start_block() * block_size_));  in PerformMoveOperation()
1093     Extent extent = extents.Get(i);  in ExtentsToBsdiffPositionsString()  local
1094     int64_t start = extent.start_block() * block_size;  in ExtentsToBsdiffPositionsString()
1096                                extent.num_blocks() * block_size);  in ExtentsToBsdiffPositionsString()
1180     for (const Extent& extent : operation.src_extents()) {  in PerformSourceBsdiffOperation()  local
1181       for (uint64_t i = 0; i < extent.num_blocks(); i += kMaxBlocksToRead) {  in PerformSourceBsdiffOperation()
1183             min(kMaxBlocksToRead, extent.num_blocks() - i);  in PerformSourceBsdiffOperation()
1188                             (extent.start_block() + i) * block_size_,  in PerformSourceBsdiffOperation()