quotaonoff
errs += quotaonoff(fs, offmode, GRPQUOTA);
errs += quotaonoff(fs, offmode, USRQUOTA);
errs += quotaonoff(fs, offmode, GRPQUOTA);
errs += quotaonoff(fs, offmode, USRQUOTA);
static int quotaonoff(struct fstab *fs, int, int);