On Thu, 17 Aug 2017 17:10:07 -0400 Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > Instead of playing games with taking the lock, the only way this race > is hit, is if the partition is being deleted and the sysfs attribute is > being read at the same time, correct? In that case, just return > -ENODEV, and be done with it. Nevermind that wont work. Too bad there's not a mutex_lock_timeout() that we could use in a loop. It would solve the issue of forward progress with RT tasks, and will break after a timeout in case of deadlock. -- Steve
