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| author | Milton Miller <miltonm@bga.com> | 2008-11-17 13:10:34 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-12-29 08:28:42 +0100 |
| commit | 2b91bafcc0fc545e489e9537a38f487706960ea5 (patch) | |
| tree | 69ebe2bbfef7f95036fab184ff206208438caf43 /block/scsi_ioctl.c | |
| parent | 70ed28b92a786f44750ab64117b03d126dd14656 (diff) | |
| download | lwn-2b91bafcc0fc545e489e9537a38f487706960ea5.tar.gz lwn-2b91bafcc0fc545e489e9537a38f487706960ea5.zip | |
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 <miltonm@bga.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/scsi_ioctl.c')
| -rw-r--r-- | block/scsi_ioctl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index d0bb92cbefb9..ee9c67d7e1be 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -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; } |