blk_end_request: changing DAC960 (take 4)

This patch converts DAC960 to use blk_end_request interfaces.
Related 'UpToDate' arguments are converted to 'Error'.
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

drivers/block/DAC960.c

@@ -3455,19 +3455,12 @@ static inline bool DAC960_ProcessCompletedRequest(DAC960_Command_T *Command,
 						 bool SuccessfulIO)
 {
 	struct request *Request = Command->Request;
-	int UpToDate;
-
-	UpToDate = 0;
-	if (SuccessfulIO)
-		UpToDate = 1;
+	int Error = SuccessfulIO ? 0 : -EIO;
 
 	pci_unmap_sg(Command->Controller->PCIDevice, Command->cmd_sglist,
 		Command->SegmentCount, Command->DmaDirection);
 
-	 if (!end_that_request_first(Request, UpToDate, Command->BlockCount)) {
-		add_disk_randomness(Request->rq_disk);
- 	 	end_that_request_last(Request, UpToDate);
-
+	 if (!__blk_end_request(Request, Error, Command->BlockCount << 9)) {
 		if (Command->Completion) {
 			complete(Command->Completion);
 			Command->Completion = NULL;