read_tail         117 drivers/tty/n_tty.c 	size_t read_tail;
read_tail         133 drivers/tty/n_tty.c 	return ldata->read_head - ldata->read_tail;
read_tail         230 drivers/tty/n_tty.c 		n = ldata->commit_head - ldata->read_tail;
read_tail         232 drivers/tty/n_tty.c 		n = ldata->canon_head - ldata->read_tail;
read_tail         260 drivers/tty/n_tty.c 	if (ldata->icanon && ldata->canon_head == ldata->read_tail)
read_tail         336 drivers/tty/n_tty.c 	ldata->read_head = ldata->canon_head = ldata->read_tail = 0;
read_tail        1721 drivers/tty/n_tty.c 		size_t tail = smp_load_acquire(&ldata->read_tail);
read_tail        1800 drivers/tty/n_tty.c 		ldata->line_start = ldata->read_tail;
read_tail        1802 drivers/tty/n_tty.c 			ldata->canon_head = ldata->read_tail;
read_tail        1937 drivers/tty/n_tty.c 		return ldata->canon_head != ldata->read_tail;
read_tail        1939 drivers/tty/n_tty.c 		return ldata->commit_head - ldata->read_tail >= amt;
read_tail        1972 drivers/tty/n_tty.c 	size_t tail = ldata->read_tail & (N_TTY_BUF_SIZE - 1);
read_tail        1975 drivers/tty/n_tty.c 	n = min(head - ldata->read_tail, N_TTY_BUF_SIZE - tail);
read_tail        1984 drivers/tty/n_tty.c 		smp_store_release(&ldata->read_tail, ldata->read_tail + n);
read_tail        1987 drivers/tty/n_tty.c 		    (head == ldata->read_tail))
read_tail        2032 drivers/tty/n_tty.c 	n = min(*nr + 1, smp_load_acquire(&ldata->canon_head) - ldata->read_tail);
read_tail        2034 drivers/tty/n_tty.c 	tail = ldata->read_tail & (N_TTY_BUF_SIZE - 1);
read_tail        2070 drivers/tty/n_tty.c 	smp_store_release(&ldata->read_tail, ldata->read_tail + c);
read_tail        2074 drivers/tty/n_tty.c 			ldata->line_start = ldata->read_tail;
read_tail        2175 drivers/tty/n_tty.c 	tail = ldata->read_tail;
read_tail        2266 drivers/tty/n_tty.c 	if (tail != ldata->read_tail)
read_tail        2433 drivers/tty/n_tty.c 	if (ldata->canon_head == ldata->read_tail)
read_tail        2436 drivers/tty/n_tty.c 	tail = ldata->read_tail;