read_head          92 drivers/tty/n_tty.c 	size_t read_head;
read_head         133 drivers/tty/n_tty.c 	return ldata->read_head - ldata->read_tail;
read_head         319 drivers/tty/n_tty.c 	*read_buf_addr(ldata, ldata->read_head) = c;
read_head         320 drivers/tty/n_tty.c 	ldata->read_head++;
read_head         336 drivers/tty/n_tty.c 	ldata->read_head = ldata->canon_head = ldata->read_tail = 0;
read_head         987 drivers/tty/n_tty.c 	if (ldata->read_head == ldata->canon_head) {
read_head         997 drivers/tty/n_tty.c 			ldata->read_head = ldata->canon_head;
read_head        1001 drivers/tty/n_tty.c 			ldata->read_head = ldata->canon_head;
read_head        1013 drivers/tty/n_tty.c 	while (MASK(ldata->read_head) != MASK(ldata->canon_head)) {
read_head        1014 drivers/tty/n_tty.c 		head = ldata->read_head;
read_head        1034 drivers/tty/n_tty.c 		cnt = ldata->read_head - head;
read_head        1035 drivers/tty/n_tty.c 		ldata->read_head = head;
read_head        1054 drivers/tty/n_tty.c 				size_t tail = ldata->read_head;
read_head        1093 drivers/tty/n_tty.c 	if (ldata->read_head == ldata->canon_head && L_ECHO(tty))
read_head        1338 drivers/tty/n_tty.c 			while (MASK(tail) != MASK(ldata->read_head)) {
read_head        1363 drivers/tty/n_tty.c 				if (ldata->canon_head == ldata->read_head)
read_head        1376 drivers/tty/n_tty.c 			set_bit(ldata->read_head & (N_TTY_BUF_SIZE - 1), ldata->read_flags);
read_head        1378 drivers/tty/n_tty.c 			smp_store_release(&ldata->canon_head, ldata->read_head);
read_head        1391 drivers/tty/n_tty.c 			if (ldata->canon_head == ldata->read_head)
read_head        1418 drivers/tty/n_tty.c 		if (ldata->canon_head == ldata->read_head)
read_head        1446 drivers/tty/n_tty.c 		if (ldata->canon_head == ldata->read_head)
read_head        1517 drivers/tty/n_tty.c 	head = ldata->read_head & (N_TTY_BUF_SIZE - 1);
read_head        1520 drivers/tty/n_tty.c 	ldata->read_head += n;
read_head        1524 drivers/tty/n_tty.c 	head = ldata->read_head & (N_TTY_BUF_SIZE - 1);
read_head        1527 drivers/tty/n_tty.c 	ldata->read_head += n;
read_head        1657 drivers/tty/n_tty.c 	smp_store_release(&ldata->commit_head, ldata->read_head);
read_head        1723 drivers/tty/n_tty.c 		room = N_TTY_BUF_SIZE - (ldata->read_head - tail);
read_head        1730 drivers/tty/n_tty.c 				ldata->read_head--;
read_head        1805 drivers/tty/n_tty.c 			set_bit((ldata->read_head - 1) & (N_TTY_BUF_SIZE - 1),
read_head        1807 drivers/tty/n_tty.c 			ldata->canon_head = ldata->read_head;
read_head        1810 drivers/tty/n_tty.c 		ldata->commit_head = ldata->read_head;