cache update after set

src/trustee.c

@@ -726,8 +726,16 @@ int tru_set_inherited_mask(int volume, uint8 *unixname,
       if (seteuid(0)) {}
       result=put_trustee_to_disk(volume, stb->st_dev, stb->st_ino, 0L, new_mask);
       (void)reseteuid();
-      if (!result)
+      if (!result) {
+        /* Keep the in-memory trustee cache in sync with the value just
+         * written to disk.  Otherwise a client which reads the IRM again
+         * in the same server run still sees the old cached mask until the
+         * node is rebuilt or the server is restarted.
+         */
+        tr->inherited_mask = new_mask;
+        tr->eff_rights = -1;
         tru_vol_sernum(volume, 1);  /* trustee sernum needs updated */
+      }
       return(result);
     }
   }