On Mon, May 06, 2024 at 09:25:23AM +0200, Joel Colledge wrote: > If the worker thread is not woken due to a bio, then it is not woken at > all. This causes the hung task check to trigger. This occurs, for > instance, when no bios are submitted. Also when a delay of 0 is > configured, delay_bio() returns without waking the worker. > > Prevent the hung task check from triggering by creating the thread with > kthread_run() instead of using kthread_create() directly. > > Fixes: 70bbeb29fab0 ("dm delay: for short delays, use kthread instead of timers and wq") > Signed-off-by: Joel Colledge <joel.colledge@xxxxxxxxxx> Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>