XXXX introduce drv_sectohz

@@ -512,11 +512,11 @@
                  * provider are from kernel clients and the hold time
                  * is expected to be short. So, we won't be stuck here forever.
                  */
                 while (kcf_get_refcnt(desc, B_TRUE) > 1) {
                         /* wait 1 second and try again. */
-                        delay(1 * drv_usectohz(1000000));
+                        delay(drv_sectohz(1));
                 }
         } else {
                 int i;
                 kcf_prov_cpu_t *mp;