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authorMilton Miller <miltonm@bga.com>2008-11-17 07:10:34 -0500
committerJens Axboe <jens.axboe@oracle.com>2008-12-29 02:28:42 -0500
commit2b91bafcc0fc545e489e9537a38f487706960ea5 (patch)
tree69ebe2bbfef7f95036fab184ff206208438caf43 /block
parent70ed28b92a786f44750ab64117b03d126dd14656 (diff)
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')
-rw-r--r--block/scsi_ioctl.c4
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)
60 60
61static int sg_get_timeout(struct request_queue *q) 61static int sg_get_timeout(struct request_queue *q)
62{ 62{
63 return q->sg_timeout / (HZ / USER_HZ); 63 return jiffies_to_clock_t(q->sg_timeout);
64} 64}
65 65
66static int sg_set_timeout(struct request_queue *q, int __user *p) 66static 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)
68 int timeout, err = get_user(timeout, p); 68 int timeout, err = get_user(timeout, p);
69 69
70 if (!err) 70 if (!err)
71 q->sg_timeout = timeout * (HZ / USER_HZ); 71 q->sg_timeout = clock_t_to_jiffies(timeout);
72 72
73 return err; 73 return err;
74} 74}