scsi-ioctl: use clock_t <> jiffies

Convert the timeout ioctl scalling to use the clock_t functions which are much more accurate with some USER_HZ vs HZ combinations. Signed-off-by: Milton Miller <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
redpig · Dec 29, 2008 · 2b91baf · 2b91baf
1 parent 70ed28b
commit 2b91baf
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
@@ -60,15 +60,15 @@ static int scsi_get_bus(struct request_queue *q, int __user *p)
 
 static int sg_get_timeout(struct request_queue *q)
 {
-	return q->sg_timeout / (HZ / USER_HZ);
+	return jiffies_to_clock_t(q->sg_timeout);
 }
 
 static int sg_set_timeout(struct request_queue *q, int __user *p)
 {
 	int timeout, err = get_user(timeout, p);
 
 	if (!err)
-		q->sg_timeout = timeout * (HZ / USER_HZ);
+		q->sg_timeout = clock_t_to_jiffies(timeout);
 
 	return err;
 }