Ping? I sent https://lkml.kernel.org/r/20220129071500.3566-1-penguin-kernel@xxxxxxxxxxxxxxxxxxx based on ideas from your series. Since automated kernel tests are failing, can't we apply [PATCH 1/7] loop: revert "make autoclear operation asynchronous" for now if we can't come to a conclusion? On 2022/01/28 22:13, Tetsuo Handa wrote: > On 2022/01/28 22:00, Christoph Hellwig wrote: >> + if (atomic_inc_return(&lo->lo_refcnt) > 1) >> + return 0; >> + >> err = mutex_lock_killable(&lo->lo_mutex); >> if (err) > > You did not notice my diff here... You need to drop lo->lo_refcnt before return. But my latest series no longer uses task work context and no longer holds lo->lo_mutex from lo_open()/lo_release(). > >> return err; >> - if (lo->lo_state == Lo_deleting) >> + if (lo->lo_state == Lo_deleting) { >> + atomic_dec(&lo->lo_refcnt); >> err = -ENXIO; >> - else >> - atomic_inc(&lo->lo_refcnt); >> + } > > Why do we need [PATCH 1/8] [PATCH 2/8] [PATCH 3/8] in this series? > Shouldn't we first make a clean revert, and keep the changes for > this release cycle as small as possible?