3998 	struct buffer_page *reader = cpu_buffer->reader_page;  in rb_per_cpu_empty()  local
4007 	if (reader->read != rb_page_commit(reader))  in rb_per_cpu_empty()
4014 	if (commit == reader)  in rb_per_cpu_empty()
4441 	struct buffer_page *reader;  in ring_buffer_iter_empty()  local
4450 	reader = cpu_buffer->reader_page;  in ring_buffer_iter_empty()
4476 		(iter->head_page == reader && commit_page == head_page &&  in ring_buffer_iter_empty()
4545 	struct buffer_page *reader = NULL;  in rb_get_reader_page()  local
4562 		reader = NULL;  in rb_get_reader_page()
4566 	reader = cpu_buffer->reader_page;  in rb_get_reader_page()
4569 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
4574 		       cpu_buffer->reader_page->read > rb_page_size(reader)))  in rb_get_reader_page()
4578 	reader = NULL;  in rb_get_reader_page()
4598 	reader = rb_set_head_page(cpu_buffer);  in rb_get_reader_page()
4599 	if (!reader)  in rb_get_reader_page()
4601 	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);  in rb_get_reader_page()
4602 	cpu_buffer->reader_page->list.prev = reader->list.prev;  in rb_get_reader_page()
4609 	cpu_buffer->pages = reader->list.prev;  in rb_get_reader_page()
4637 	ret = rb_head_page_replace(reader, cpu_buffer->reader_page);  in rb_get_reader_page()
4650 	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;  in rb_get_reader_page()
4656 	cpu_buffer->reader_page = reader;  in rb_get_reader_page()
4668 	if (reader && reader->read == 0)  in rb_get_reader_page()
4669 		cpu_buffer->read_stamp = reader->page->time_stamp;  in rb_get_reader_page()
4681 		if (likely(!reader || rb_page_write(reader) <= BUF_PAGE_SIZE))  in rb_get_reader_page()
4692 		reader = NULL;  in rb_get_reader_page()
4706 	return reader;  in rb_get_reader_page()
4712 	struct buffer_page *reader;  in rb_advance_reader()  local
4715 	reader = rb_get_reader_page(cpu_buffer);  in rb_advance_reader()
4718 	if (RB_WARN_ON(cpu_buffer, !reader))  in rb_advance_reader()
4772 	struct buffer_page *reader;  in rb_buffer_peek()  local
4787 	reader = rb_get_reader_page(cpu_buffer);  in rb_buffer_peek()
4788 	if (!reader)  in rb_buffer_peek()
4815 			*ts = rb_fix_abs_ts(*ts, reader->page->time_stamp);  in rb_buffer_peek()
5712 	struct buffer_page *reader;  in ring_buffer_read_page()  local
5741 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_read_page()
5742 	if (!reader)  in ring_buffer_read_page()
5747 	read = reader->read;  in ring_buffer_read_page()
5748 	commit = rb_page_commit(reader);  in ring_buffer_read_page()
5804 			rpos = reader->read;  in ring_buffer_read_page()
5823 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
5824 		cpu_buffer->read_bytes += rb_page_commit(reader);  in ring_buffer_read_page()
5828 		bpage = reader->page;  in ring_buffer_read_page()
5829 		reader->page = *data_page;  in ring_buffer_read_page()
5830 		local_set(&reader->write, 0);  in ring_buffer_read_page()
5831 		local_set(&reader->entries, 0);  in ring_buffer_read_page()
5832 		reader->read = 0;  in ring_buffer_read_page()
5840 		if (reader->real_end)  in ring_buffer_read_page()
5841 			local_set(&bpage->commit, reader->real_end);  in ring_buffer_read_page()