SACC
{ "ACC", SACC, SACC },
ASSERT((flag & ~(SACC|SUPD|SCHG)) == 0);
((flag & SACC) && (sp->s_atime != now)) ||
if (flag & SACC)
smark(sp, SACC);
if ((sp->s_flag & (SACC|SUPD|SCHG)) == 0 && vp->v_type != VBLK) {
sp->s_flag &= ~(SACC|SUPD|SCHG);
if ((sp->s_flag & (SACC|SUPD|SCHG)) != 0) {
sp->s_flag &= ~(SACC|SUPD|SCHG);
smark(sp, SACC);
smark(sp, SACC);