5042 stop using deprecated atomic functions

@@ -2870,11 +2870,11 @@
         struct fem_head *head;
 
         head = kmem_alloc(sizeof (*head), KM_SLEEP);
         mutex_init(&head->femh_lock, NULL, MUTEX_DEFAULT, NULL);
         head->femh_list = NULL;
-        if (casptr(hp, NULL, head) != NULL) {
+        if (atomic_cas_ptr(hp, NULL, head) != NULL) {
                 kmem_free(head, sizeof (*head));
                 head = *hp;
         }
         return (head);
 }

@@ -3363,11 +3363,11 @@
                                 fem_unlock(v->v_femhead);
                                 return;
                         }
                         fem_unlock(v->v_femhead);
                 }
-        } while (casptr(&v->v_op, r, newops) != r);
+        } while (atomic_cas_ptr(&v->v_op, r, newops) != r);
 }
 
 vnodeops_t *
 fem_getvnops(vnode_t *v)
 {

@@ -3506,11 +3506,11 @@
                                 fem_unlock(v->vfs_femhead);
                                 return;
                         }
                         fem_unlock(v->vfs_femhead);
                 }
-        } while (casptr(&v->vfs_op, r, newops) != r);
+        } while (atomic_cas_ptr(&v->vfs_op, r, newops) != r);
 }
 
 vfsops_t *
 fsem_getvfsops(vfs_t *v)
 {