On 06/20/2014 08:39 AM, Vivek Goyal wrote: > On Thu, Jun 19, 2014 at 05:42:57PM -0400, Tejun Heo wrote: >> Hello, >> >> So, this patch should do. Joe, Vivek, can one of you guys please >> verify that the oops goes away with this patch? > > Hi Tejun, > > This patch seems to fix the issue for me. Tried 10 times and no crash. > > So now one need to hold queue lock for getting refernce on the group > only if caller does not already have a reference and if group has been > looked up from some tree/queue etc. I guess only such usage seems to > be in blkg_create() where we take a reference on parent after looking > it up. > > This patch looks good to me. > > Acked-by: Vivek Goyal <vgoyal@xxxxxxxxxx> Thanks. Tejun, I'll queue this up for this cycle. -- Jens Axboe -- 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
