On Wed, Jun 26, 2013 at 06:23:04PM -0700, Tejun Heo wrote: > Hello, > > On Wed, Jun 26, 2013 at 05:37:38PM -0700, Anatol Pomozov wrote: > > Bottom line: when we set weight for a device then it creates cfq_group > > and initializes device stats with zero. Later that zero stat is shown > > even if no activity happened on the device. Both CFQ and our custom IO > > scheduler have this problem. And because we write set weight for all > > devices in all cgroups we endup with a lot of zero useless stats. > > > > What is the right fix in this situation? > > Yeah, I think yours is fine. You're just configuring each blkg during > init. Please just update the u64 case and repost. BTW, if there are a lot of users which ignore 0 u64, it may be cleaner to introduce a wrapper around the existing prfill. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
