3718 	struct buffer_page *reader = cpu_buffer->reader_page;  in rb_per_cpu_empty()  local
3727 	if (reader->read != rb_page_commit(reader))  in rb_per_cpu_empty()
3734 	if (commit == reader)  in rb_per_cpu_empty()
4160 	struct buffer_page *reader;  in ring_buffer_iter_empty()  local
4169 	reader = cpu_buffer->reader_page;  in ring_buffer_iter_empty()
4195 		(iter->head_page == reader && commit_page == head_page &&  in ring_buffer_iter_empty()
4264 	struct buffer_page *reader = NULL;  in rb_get_reader_page()  local
4281 		reader = NULL;  in rb_get_reader_page()
4285 	reader = cpu_buffer->reader_page;  in rb_get_reader_page()
4288 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
4293 		       cpu_buffer->reader_page->read > rb_page_size(reader)))  in rb_get_reader_page()
4297 	reader = NULL;  in rb_get_reader_page()
4317 	reader = rb_set_head_page(cpu_buffer);  in rb_get_reader_page()
4318 	if (!reader)  in rb_get_reader_page()
4320 	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);  in rb_get_reader_page()
4321 	cpu_buffer->reader_page->list.prev = reader->list.prev;  in rb_get_reader_page()
4328 	cpu_buffer->pages = reader->list.prev;  in rb_get_reader_page()
4356 	ret = rb_head_page_replace(reader, cpu_buffer->reader_page);  in rb_get_reader_page()
4369 	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;  in rb_get_reader_page()
4375 	cpu_buffer->reader_page = reader;  in rb_get_reader_page()
4387 	if (reader && reader->read == 0)  in rb_get_reader_page()
4388 		cpu_buffer->read_stamp = reader->page->time_stamp;  in rb_get_reader_page()
4400 		if (likely(!reader || rb_page_write(reader) <= BUF_PAGE_SIZE))  in rb_get_reader_page()
4411 		reader = NULL;  in rb_get_reader_page()
4420 	return reader;  in rb_get_reader_page()
4426 	struct buffer_page *reader;  in rb_advance_reader()  local
4429 	reader = rb_get_reader_page(cpu_buffer);  in rb_advance_reader()
4432 	if (RB_WARN_ON(cpu_buffer, !reader))  in rb_advance_reader()
4485 	struct buffer_page *reader;  in rb_buffer_peek()  local
4500 	reader = rb_get_reader_page(cpu_buffer);  in rb_buffer_peek()
4501 	if (!reader)  in rb_buffer_peek()
5391 	struct buffer_page *reader;  in ring_buffer_read_page()  local
5420 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_read_page()
5421 	if (!reader)  in ring_buffer_read_page()
5426 	read = reader->read;  in ring_buffer_read_page()
5427 	commit = rb_page_commit(reader);  in ring_buffer_read_page()
5483 			rpos = reader->read;  in ring_buffer_read_page()
5502 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
5507 		bpage = reader->page;  in ring_buffer_read_page()
5508 		reader->page = *data_page;  in ring_buffer_read_page()
5509 		local_set(&reader->write, 0);  in ring_buffer_read_page()
5510 		local_set(&reader->entries, 0);  in ring_buffer_read_page()
5511 		reader->read = 0;  in ring_buffer_read_page()
5519 		if (reader->real_end)  in ring_buffer_read_page()
5520 			local_set(&bpage->commit, reader->real_end);  in ring_buffer_read_page()