patch as-lock-macro-simplification

*** 532,542 ****
                   */
                  if (prp->p_as != &kas) {
                          struct seg      *seg;
                          struct as       *as = prp->p_as;
  
!                         AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
                          for (seg = AS_SEGFIRST(as); seg;
                              seg = AS_SEGNEXT(as, seg)) {
                                  /*
                                   * if we can't get a backing vnode for this
                                   * segment then skip it
--- 532,542 ----
                   */
                  if (prp->p_as != &kas) {
                          struct seg      *seg;
                          struct as       *as = prp->p_as;
  
!                         AS_LOCK_ENTER(as, RW_READER);
                          for (seg = AS_SEGFIRST(as); seg;
                              seg = AS_SEGNEXT(as, seg)) {
                                  /*
                                   * if we can't get a backing vnode for this
                                   * segment then skip it
*** 596,606 ****
                                      (VTOCS(fvp)->s_dip == VTOCS(vp)->s_dip)) {
                                          use_flag |= F_MAP;
                                          break;
                                  }
                          }
!                         AS_LOCK_EXIT(as, &as->a_lock);
                  }
  
                  if (use_flag) {
                          ASSERT(pcnt < fu_data->fud_user_max);
                          fu_data->fud_user[pcnt].fu_flags = use_flag;
--- 596,606 ----
                                      (VTOCS(fvp)->s_dip == VTOCS(vp)->s_dip)) {
                                          use_flag |= F_MAP;
                                          break;
                                  }
                          }
!                         AS_LOCK_EXIT(as);
                  }
  
                  if (use_flag) {
                          ASSERT(pcnt < fu_data->fud_user_max);
                          fu_data->fud_user[pcnt].fu_flags = use_flag;