SCHG
{ "CHG", SCHG, SCHG },
ASSERT((flag & ~(SACC|SUPD|SCHG)) == 0);
((flag & SCHG) && (sp->s_ctime != now))) {
if (flag & SCHG)
smark(sp, SUPD|SCHG);
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);