JBD2_FEATURE_COMPAT_CHECKSUM 3419 fs/ext4/super.c compat = JBD2_FEATURE_COMPAT_CHECKSUM; JBD2_FEATURE_COMPAT_CHECKSUM 3424 fs/ext4/super.c JBD2_FEATURE_COMPAT_CHECKSUM, 0, JBD2_FEATURE_COMPAT_CHECKSUM 1883 fs/jbd2/journal.c compat & JBD2_FEATURE_COMPAT_CHECKSUM) JBD2_FEATURE_COMPAT_CHECKSUM 1884 fs/jbd2/journal.c compat &= ~JBD2_FEATURE_COMPAT_CHECKSUM; JBD2_FEATURE_COMPAT_CHECKSUM 1911 fs/jbd2/journal.c ~cpu_to_be32(JBD2_FEATURE_COMPAT_CHECKSUM); JBD2_FEATURE_COMPAT_CHECKSUM 1915 fs/jbd2/journal.c if (COMPAT_FEATURE_ON(JBD2_FEATURE_COMPAT_CHECKSUM)) JBD2_FEATURE_COMPAT_CHECKSUM 2420 fs/ocfs2/super.c JBD2_FEATURE_COMPAT_CHECKSUM, 0, JBD2_FEATURE_COMPAT_CHECKSUM 2424 fs/ocfs2/super.c JBD2_FEATURE_COMPAT_CHECKSUM, 0, JBD2_FEATURE_COMPAT_CHECKSUM 295 include/linux/jbd2.h #define JBD2_KNOWN_COMPAT_FEATURES JBD2_FEATURE_COMPAT_CHECKSUM