Re: [RT WARNING] DEBUG_LOCKS_WARN_ON(rt_mutex_owner(lock) != current) with fsfreeze (4.19.25-rt16)

[Peter Zijlstra <peterz@xxxxxxxxxxxxx>]

On Tue, Apr 30, 2019 at 04:42:53PM +0200, Oleg Nesterov wrote:
> I have cloned linux-rt-devel.git
> 
> If I understand correctly, in rt rw_semaphore is actually defined in rwsem_rt.h
> so percpu_rwsem_acquire() should probably do
> 
> 	sem->rw_sem.rtmutex.owner = current;

That'll screw the PI chain (if there is one), right?