On 5/17/22 21:57, Christoph Hellwig wrote: > The patch that adds nvme_fc_io_getuuid need something like this > folded in: > > diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c > index a11c69e681180..3c778bb0c2944 100644 > --- a/drivers/nvme/host/fc.c > +++ b/drivers/nvme/host/fc.c > @@ -1911,7 +1911,9 @@ char *nvme_fc_io_getuuid(struct nvmefc_fcp_req *req) > struct nvme_fc_fcp_op *op = fcp_req_to_fcp_op(req); > struct request *rq = op->rq; > > - return rq->bio ? blkcg_get_fc_appid(rq->bio) : NULL; > + if (!IS_ENABLED(CONFIG_BLK_CGROUP_FC_APPID) || !rq->bio) > + return NULL; > + return blkcg_get_fc_appid(rq->bio); > } > EXPORT_SYMBOL_GPL(nvme_fc_io_getuuid); > Thanks. You can add Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> to the patch. -- ~Randy