[Drbd-dev] [patch] drbd: cleanup: change "<= 0" to "== 0"
Jens Axboe
jaxboe at fusionio.com
Mon Aug 23 12:34:29 CEST 2010
On 2010-08-12 00:38, Dan Carpenter wrote:
> dt is unsigned so it's never less than zero. We are calculating the
> elapsed time, and that's never less than zero (unless there is a bug or
> we invent time travel). The comparison here is just to guard against
> divide by zero bugs.
>
> Signed-off-by: Dan Carpenter <error27 at gmail.com>
>
> diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c
> index be3374b..4c0c4aa 100644
> --- a/drivers/block/drbd/drbd_proc.c
> +++ b/drivers/block/drbd/drbd_proc.c
> @@ -118,7 +118,7 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq)
> /* mean speed since syncer started
> * we do account for PausedSync periods */
> dt = (jiffies - mdev->rs_start - mdev->rs_paused) / HZ;
> - if (dt <= 0)
> + if (dt == 0)
> dt = 1;
> db = mdev->rs_total - rs_left;
> dbdt = Bit2KB(db/dt);
Lars et al, I'll let you pick this up.
--
Jens Axboe
More information about the drbd-dev
mailing list