JBD2_KNOWN_INCOMPAT_FEATURES 1660 fs/jbd2/journal.c 		     ~cpu_to_be32(JBD2_KNOWN_INCOMPAT_FEATURES))) {
JBD2_KNOWN_INCOMPAT_FEATURES 1842 fs/jbd2/journal.c 	    (incompat & JBD2_KNOWN_INCOMPAT_FEATURES) == incompat)