3935 	struct buffer_page *reader = cpu_buffer->reader_page;  in rb_per_cpu_empty()  local
3944 	if (reader->read != rb_page_commit(reader))  in rb_per_cpu_empty()
3951 	if (commit == reader)  in rb_per_cpu_empty()
4383 	struct buffer_page *reader;  in ring_buffer_iter_empty()  local
4392 	reader = cpu_buffer->reader_page;  in ring_buffer_iter_empty()
4418 		(iter->head_page == reader && commit_page == head_page &&  in ring_buffer_iter_empty()
4596 	struct buffer_page *reader;  in rb_swap_reader_page()  local
4612 	reader = rb_set_head_page(cpu_buffer);  in rb_swap_reader_page()
4613 	if (!reader)  in rb_swap_reader_page()
4616 	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);  in rb_swap_reader_page()
4617 	cpu_buffer->reader_page->list.prev = reader->list.prev;  in rb_swap_reader_page()
4624 	cpu_buffer->pages = reader->list.prev;  in rb_swap_reader_page()
4652 	ret = rb_head_page_replace(reader, cpu_buffer->reader_page);  in rb_swap_reader_page()
4665 	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;  in rb_swap_reader_page()
4671 	cpu_buffer->reader_page = reader;  in rb_swap_reader_page()
4679 	return reader;  in rb_swap_reader_page()
4685 	struct buffer_page *reader = NULL;  in rb_get_reader_page()  local
4701 		reader = NULL;  in rb_get_reader_page()
4705 	reader = cpu_buffer->reader_page;  in rb_get_reader_page()
4708 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
4711 	page_size = rb_page_size(reader);  in rb_get_reader_page()
4718 	reader = NULL;  in rb_get_reader_page()
4727 		reader = rb_swap_reader_page_ext(cpu_buffer);  in rb_get_reader_page()
4729 		reader = rb_swap_reader_page(cpu_buffer);  in rb_get_reader_page()
4731 	if (reader)  in rb_get_reader_page()
4736 	if (reader && reader->read == 0)  in rb_get_reader_page()
4737 		cpu_buffer->read_stamp = reader->page->time_stamp;  in rb_get_reader_page()
4749 		if (likely(!reader || rb_page_write(reader) <= BUF_PAGE_SIZE))  in rb_get_reader_page()
4760 		reader = NULL;  in rb_get_reader_page()
4774 	return reader;  in rb_get_reader_page()
4780 	struct buffer_page *reader;  in rb_advance_reader()  local
4783 	reader = rb_get_reader_page(cpu_buffer);  in rb_advance_reader()
4786 	if (RB_WARN_ON(cpu_buffer, !reader))  in rb_advance_reader()
4840 	struct buffer_page *reader;  in rb_buffer_peek()  local
4855 	reader = rb_get_reader_page(cpu_buffer);  in rb_buffer_peek()
4856 	if (!reader)  in rb_buffer_peek()
4883 			*ts = rb_fix_abs_ts(*ts, reader->page->time_stamp);  in rb_buffer_peek()
5853 	struct buffer_page *reader;  in ring_buffer_read_page()  local
5882 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_read_page()
5883 	if (!reader)  in ring_buffer_read_page()
5888 	read = reader->read;  in ring_buffer_read_page()
5889 	commit = rb_page_commit(reader);  in ring_buffer_read_page()
5946 			rpos = reader->read;  in ring_buffer_read_page()
5965 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
5966 		cpu_buffer->read_bytes += rb_page_commit(reader);  in ring_buffer_read_page()
5970 		bpage = reader->page;  in ring_buffer_read_page()
5971 		reader->page = *data_page;  in ring_buffer_read_page()
5972 		local_set(&reader->write, 0);  in ring_buffer_read_page()
5973 		local_set(&reader->entries, 0);  in ring_buffer_read_page()
5974 		reader->read = 0;  in ring_buffer_read_page()
5982 		if (reader->real_end)  in ring_buffer_read_page()
5983 			local_set(&bpage->commit, reader->real_end);  in ring_buffer_read_page()