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scsi-ioctl: use clock_t <> jiffies

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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 <miltonm@bga.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Milton Miller 2008-11-17 13:10:34 +01:00 committed by Jens Axboe
parent 70ed28b92a
commit 2b91bafcc0
1 changed files with 2 additions and 2 deletions
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4
block/scsi_ioctl.c
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@ -60,7 +60,7 @@ 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)
@ -68,7 +68,7 @@ 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;
}