On Mon, Aug 30 2010 at 11:07am -0400, Tejun Heo <tj@xxxxxxxxxx> wrote: > On 08/30/2010 03:59 PM, Tejun Heo wrote: > > Ah... that's probably from "if (!elv_queue_empty(q))" check below, > > flushes are on a separate queue but I forgot to update > > elv_queue_empty() to check the flush queue. elv_queue_empty() can > > return %true spuriously in which case the queue won't be plugged and > > restarted later leading to queue hang. I'll fix elv_queue_empty(). > > I think I was too quick to blame elv_queue_empty(). Can you please > test whether the following patch fixes the hang? It does, thanks! Tested-by: Mike Snitzer <snitzer@xxxxxxxxxx> -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
