35 	return (fifo->mask + 1) - (fifo->in - fifo->out);  in kfifo_unused()
47 	fifo->in = 0;  in __kfifo_alloc()
72 	fifo->in = 0;  in __kfifo_free()
88 	fifo->in = 0;  in __kfifo_init()
136 	kfifo_copy_in(fifo, buf, len, fifo->in);  in __kfifo_in()
137 	fifo->in += len;  in __kfifo_in()
171 	l = fifo->in - fifo->out;  in __kfifo_out_peek()
239 	ret = kfifo_copy_from_user(fifo, from, len, fifo->in, copied);  in __kfifo_from_user()
245 	fifo->in += len;  in __kfifo_from_user()
295 	l = fifo->in - fifo->out;  in __kfifo_to_user()
379 	return setup_sgl(fifo, sgl, nents, len, fifo->in);  in __kfifo_dma_in_prepare()
388 	l = fifo->in - fifo->out;  in __kfifo_dma_out_prepare()
426 #define	__KFIFO_POKE(data, in, mask, val) \  argument
428 	(data)[(in) & (mask)] = (unsigned char)(val) \
440 	__KFIFO_POKE(data, fifo->in, mask, n);  in __kfifo_poke_n()
443 		__KFIFO_POKE(data, fifo->in + 1, mask, n >> 8);  in __kfifo_poke_n()
460 	kfifo_copy_in(fifo, buf, len, fifo->in + recsize);  in __kfifo_in_r()
461 	fifo->in += len + recsize;  in __kfifo_in_r()
483 	if (fifo->in == fifo->out)  in __kfifo_out_peek_r()
495 	if (fifo->in == fifo->out)  in __kfifo_out_r()
527 	ret = kfifo_copy_from_user(fifo, from, len, fifo->in + recsize, copied);  in __kfifo_from_user_r()
532 	fifo->in += len + recsize;  in __kfifo_from_user_r()
543 	if (fifo->in == fifo->out) {  in __kfifo_to_user_r()
572 	return setup_sgl(fifo, sgl, nents, len, fifo->in + recsize);  in __kfifo_dma_in_prepare_r()
581 	fifo->in += len + recsize;  in __kfifo_dma_in_finish_r()
592 	if (len + recsize > fifo->in - fifo->out)  in __kfifo_dma_out_prepare_r()