60 	devpath = xenbus_read(XBT_NIL, dev->nodename, "dev", NULL);  in blkback_name()
560 	err = xenbus_printf(xbt, dev->nodename, "feature-flush-cache",  in xen_blkbk_flush_diskcache()
576 	if (!xenbus_read_unsigned(dev->nodename, "discard-enable", 1))  in xen_blkbk_discard()
580 		err = xenbus_printf(xbt, dev->nodename,  in xen_blkbk_discard()
587 		err = xenbus_printf(xbt, dev->nodename,  in xen_blkbk_discard()
596 		err = xenbus_printf(xbt, dev->nodename,  in xen_blkbk_discard()
604 	err = xenbus_printf(xbt, dev->nodename, "feature-discard",  in xen_blkbk_discard()
616 	err = xenbus_printf(xbt, dev->nodename, "feature-barrier",  in xen_blkbk_barrier()
655 	err = xenbus_printf(XBT_NIL, dev->nodename,  in xen_blkbk_probe()
661 			 dev->nodename, err);  in xen_blkbk_probe()
664 	err = xenbus_printf(XBT_NIL, dev->nodename,  in xen_blkbk_probe()
674 				   "%s/%s", dev->nodename, "physical-device");  in xen_blkbk_probe()
678 	err = xenbus_printf(XBT_NIL, dev->nodename, "max-ring-page-order", "%u",  in xen_blkbk_probe()
715 	err = xenbus_scanf(XBT_NIL, dev->nodename, "physical-device", "%x:%x",  in backend_changed()
737 	be->mode = xenbus_read(XBT_NIL, dev->nodename, "mode", NULL);  in backend_changed()
800 			pr_info("%s: prepare for reconnect\n", dev->nodename);  in frontend_changed()
909 	err = xenbus_printf(xbt, dev->nodename, "feature-persistent", "%u",  in connect()
913 				 dev->nodename);  in connect()
917 	err = xenbus_printf(xbt, dev->nodename, "sectors", "%llu",  in connect()
921 				 dev->nodename);  in connect()
926 	err = xenbus_printf(xbt, dev->nodename, "info", "%u",  in connect()
931 				 dev->nodename);  in connect()
934 	err = xenbus_printf(xbt, dev->nodename, "sector-size", "%lu",  in connect()
939 				 dev->nodename);  in connect()
942 	err = xenbus_printf(xbt, dev->nodename, "physical-sector-size", "%u",  in connect()
946 				 dev->nodename);  in connect()
957 				 dev->nodename);  in connect()
1113 	pr_info("%s: using %d queues, protocol %d (%s) %s\n", dev->nodename,  in connect_ring()