Hi, Can we please push commit b1a28f2eb9ea ("NFS: nfs_async_write_reschedule_io must not recurse into the writeback code") into stable kernel 5.15.x? The bug addressed by this patch is being seen to cause lockups on some production systems running kernels based on Linux 5.15.167. Thanks! Trond -- Trond Myklebust Linux NFS client maintainer, Hammerspace trond.myklebust@xxxxxxxxxxxxxxx