92 	struct circ_buf fifo;  member
99 	struct circ_buf *fifo = &rd->fifo;  in rd_write()  local
103 		char *fptr = &fifo->buf[fifo->head];  in rd_write()
106 		wait_event(rd->fifo_event, circ_space(&rd->fifo) > 0);  in rd_write()
108 		n = min(sz, circ_space_to_end(&rd->fifo));  in rd_write()
111 		fifo->head = (fifo->head + n) & (BUF_SZ - 1);  in rd_write()
131 	struct circ_buf *fifo = &rd->fifo;  in rd_read()  local
132 	const char *fptr = &fifo->buf[fifo->tail];  in rd_read()
138 			circ_count(&rd->fifo) > 0);  in rd_read()
142 	n = min_t(int, sz, circ_count_to_end(&rd->fifo));  in rd_read()
147 	fifo->tail = (fifo->tail + n) & (BUF_SZ - 1);  in rd_read()
222 	rd->fifo.buf = rd->buf;  in msm_rd_debugfs_init()