On Thu, Sep 27, 2018 at 01:23:32PM +0200, Jan Kara wrote: > When dax_lock_mapping_entry() has to sleep to obtain entry lock, it will > fail to unlock mapping->i_pages spinlock and thus immediately deadlock > against itself when retrying to grab the entry lock again. Fix the > problem by unlocking mapping->i_pages before retrying. It seems weird that xfstests doesn't provoke this ...
