3875 	struct buffer_page *reader = cpu_buffer->reader_page;  in rb_per_cpu_empty()  local
3884 	if (reader->read != rb_page_commit(reader))  in rb_per_cpu_empty()
3891 	if (commit == reader)  in rb_per_cpu_empty()
4317 	struct buffer_page *reader;  in ring_buffer_iter_empty()  local
4326 	reader = cpu_buffer->reader_page;  in ring_buffer_iter_empty()
4352 		(iter->head_page == reader && commit_page == head_page &&  in ring_buffer_iter_empty()
4421 	struct buffer_page *reader = NULL;  in rb_get_reader_page()  local
4438 		reader = NULL;  in rb_get_reader_page()
4442 	reader = cpu_buffer->reader_page;  in rb_get_reader_page()
4445 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
4450 		       cpu_buffer->reader_page->read > rb_page_size(reader)))  in rb_get_reader_page()
4454 	reader = NULL;  in rb_get_reader_page()
4474 	reader = rb_set_head_page(cpu_buffer);  in rb_get_reader_page()
4475 	if (!reader)  in rb_get_reader_page()
4477 	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);  in rb_get_reader_page()
4478 	cpu_buffer->reader_page->list.prev = reader->list.prev;  in rb_get_reader_page()
4485 	cpu_buffer->pages = reader->list.prev;  in rb_get_reader_page()
4513 	ret = rb_head_page_replace(reader, cpu_buffer->reader_page);  in rb_get_reader_page()
4526 	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;  in rb_get_reader_page()
4532 	cpu_buffer->reader_page = reader;  in rb_get_reader_page()
4544 	if (reader && reader->read == 0)  in rb_get_reader_page()
4545 		cpu_buffer->read_stamp = reader->page->time_stamp;  in rb_get_reader_page()
4550 	return reader;  in rb_get_reader_page()
4556 	struct buffer_page *reader;  in rb_advance_reader()  local
4559 	reader = rb_get_reader_page(cpu_buffer);  in rb_advance_reader()
4562 	if (RB_WARN_ON(cpu_buffer, !reader))  in rb_advance_reader()
4615 	struct buffer_page *reader;  in rb_buffer_peek()  local
4630 	reader = rb_get_reader_page(cpu_buffer);  in rb_buffer_peek()
4631 	if (!reader)  in rb_buffer_peek()
5517 	struct buffer_page *reader;  in ring_buffer_read_page()  local
5546 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_read_page()
5547 	if (!reader)  in ring_buffer_read_page()
5552 	read = reader->read;  in ring_buffer_read_page()
5553 	commit = rb_page_commit(reader);  in ring_buffer_read_page()
5601 			rpos = reader->read;  in ring_buffer_read_page()
5620 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
5625 		bpage = reader->page;  in ring_buffer_read_page()
5626 		reader->page = *data_page;  in ring_buffer_read_page()
5627 		local_set(&reader->write, 0);  in ring_buffer_read_page()
5628 		local_set(&reader->entries, 0);  in ring_buffer_read_page()
5629 		reader->read = 0;  in ring_buffer_read_page()
5637 		if (reader->real_end)  in ring_buffer_read_page()
5638 			local_set(&bpage->commit, reader->real_end);  in ring_buffer_read_page()