On Fri, May 07, 2021 at 05:15:27PM -0500, Connor Kuehl wrote: > @@ -1245,7 +1262,8 @@ __releases(fiq->lock) > req->in.h.nodeid, req->in.h.len, > fuse_len_args(req->args->out_numargs, req->args->out_args)); > > - fsvq = &fs->vqs[queue_id]; > + fsvq = this_cpu_read(this_cpu_fsvq); Please check how CPU hotplug affects this patch. If the current CPU doesn't have a vq because it was hotplugged, then it may be necessary to pick another vq. Stefan