On Fri, Jun 21, 2024 at 02:34:53PM +0800, shaozongfan wrote: > + if (xfs_params.fstrm_timer.val == 2666) > + dp->i_df.if_u1.if_root = NULL; So what sets if_root to NULL in the original report? We'll need to fix that and not work around by things that just change timing.