3133 	struct buffer_page *reader = cpu_buffer->reader_page;  in rb_per_cpu_empty()  local
3141 	return reader->read == rb_page_commit(reader) &&  in rb_per_cpu_empty()
3142 		(commit == reader ||  in rb_per_cpu_empty()
3551 	struct buffer_page *reader;  in ring_buffer_iter_empty()  local
3559 	reader = cpu_buffer->reader_page;  in ring_buffer_iter_empty()
3565 		(iter->head_page == reader && commit_page == head_page &&  in ring_buffer_iter_empty()
3634 	struct buffer_page *reader = NULL;  in rb_get_reader_page()  local
3651 		reader = NULL;  in rb_get_reader_page()
3655 	reader = cpu_buffer->reader_page;  in rb_get_reader_page()
3658 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
3663 		       cpu_buffer->reader_page->read > rb_page_size(reader)))  in rb_get_reader_page()
3667 	reader = NULL;  in rb_get_reader_page()
3687 	reader = rb_set_head_page(cpu_buffer);  in rb_get_reader_page()
3688 	if (!reader)  in rb_get_reader_page()
3690 	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);  in rb_get_reader_page()
3691 	cpu_buffer->reader_page->list.prev = reader->list.prev;  in rb_get_reader_page()
3698 	cpu_buffer->pages = reader->list.prev;  in rb_get_reader_page()
3726 	ret = rb_head_page_replace(reader, cpu_buffer->reader_page);  in rb_get_reader_page()
3739 	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;  in rb_get_reader_page()
3743 	cpu_buffer->reader_page = reader;  in rb_get_reader_page()
3755 	if (reader && reader->read == 0)  in rb_get_reader_page()
3756 		cpu_buffer->read_stamp = reader->page->time_stamp;  in rb_get_reader_page()
3761 	return reader;  in rb_get_reader_page()
3767 	struct buffer_page *reader;  in rb_advance_reader()  local
3770 	reader = rb_get_reader_page(cpu_buffer);  in rb_advance_reader()
3773 	if (RB_WARN_ON(cpu_buffer, !reader))  in rb_advance_reader()
3839 	struct buffer_page *reader;  in rb_buffer_peek()  local
3854 	reader = rb_get_reader_page(cpu_buffer);  in rb_buffer_peek()
3855 	if (!reader)  in rb_buffer_peek()
4659 	struct buffer_page *reader;  in ring_buffer_read_page()  local
4688 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_read_page()
4689 	if (!reader)  in ring_buffer_read_page()
4694 	read = reader->read;  in ring_buffer_read_page()
4695 	commit = rb_page_commit(reader);  in ring_buffer_read_page()
4743 			rpos = reader->read;  in ring_buffer_read_page()
4762 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
4767 		bpage = reader->page;  in ring_buffer_read_page()
4768 		reader->page = *data_page;  in ring_buffer_read_page()
4769 		local_set(&reader->write, 0);  in ring_buffer_read_page()
4770 		local_set(&reader->entries, 0);  in ring_buffer_read_page()
4771 		reader->read = 0;  in ring_buffer_read_page()
4779 		if (reader->real_end)  in ring_buffer_read_page()
4780 			local_set(&bpage->commit, reader->real_end);  in ring_buffer_read_page()