On Mon, 2022-03-21 at 16:36 -0700, Khazhy Kumykov wrote: > On Mon, Mar 21, 2022 at 3:50 PM Trond Myklebust > <trondmy@xxxxxxxxxxxxxxx> wrote: > > > > As has already been reported, the problem was fixed in Linux 5.5 by > > the > > garbage collector rewrite, and so this is no longer an issue. > > > 9542e6a643fc ("nfsd: Containerise filecache laundrette"), > 36ebbdb96b69 > ("nfsd: cleanup nfsd_file_lru_dispose()") apply cleanly to 5.4.y for > me, which is still LTS. Since this should fix a real deadlock, would > it be appropriate to include them for the 5.4 stable? That would be OK with me. I'm not aware of any side-effects that might be a problem for 5.4. -- Trond Myklebust Linux NFS client maintainer, Hammerspace trond.myklebust@xxxxxxxxxxxxxxx