NILFS_CF_SUFREED
#define NILFS_CF_HISTORY_MASK (NILFS_CF_IFILE_STARTED | NILFS_CF_SUFREED)
sci->sc_stage.flags |= NILFS_CF_SUFREED;
if (sci->sc_stage.flags & NILFS_CF_SUFREED) {
sci->sc_stage.flags &= ~NILFS_CF_SUFREED;
if (sci->sc_stage.flags & NILFS_CF_SUFREED) {