3172 	struct buffer_page *reader = cpu_buffer->reader_page;  in rb_per_cpu_empty()  local
3180 	return reader->read == rb_page_commit(reader) &&  in rb_per_cpu_empty()
3181 		(commit == reader ||  in rb_per_cpu_empty()
3590 	struct buffer_page *reader;  in ring_buffer_iter_empty()  local
3598 	reader = cpu_buffer->reader_page;  in ring_buffer_iter_empty()
3604 		(iter->head_page == reader && commit_page == head_page &&  in ring_buffer_iter_empty()
3673 	struct buffer_page *reader = NULL;  in rb_get_reader_page()  local
3690 		reader = NULL;  in rb_get_reader_page()
3694 	reader = cpu_buffer->reader_page;  in rb_get_reader_page()
3697 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
3702 		       cpu_buffer->reader_page->read > rb_page_size(reader)))  in rb_get_reader_page()
3706 	reader = NULL;  in rb_get_reader_page()
3726 	reader = rb_set_head_page(cpu_buffer);  in rb_get_reader_page()
3727 	if (!reader)  in rb_get_reader_page()
3729 	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);  in rb_get_reader_page()
3730 	cpu_buffer->reader_page->list.prev = reader->list.prev;  in rb_get_reader_page()
3737 	cpu_buffer->pages = reader->list.prev;  in rb_get_reader_page()
3765 	ret = rb_head_page_replace(reader, cpu_buffer->reader_page);  in rb_get_reader_page()
3778 	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;  in rb_get_reader_page()
3784 	cpu_buffer->reader_page = reader;  in rb_get_reader_page()
3796 	if (reader && reader->read == 0)  in rb_get_reader_page()
3797 		cpu_buffer->read_stamp = reader->page->time_stamp;  in rb_get_reader_page()
3802 	return reader;  in rb_get_reader_page()
3808 	struct buffer_page *reader;  in rb_advance_reader()  local
3811 	reader = rb_get_reader_page(cpu_buffer);  in rb_advance_reader()
3814 	if (RB_WARN_ON(cpu_buffer, !reader))  in rb_advance_reader()
3880 	struct buffer_page *reader;  in rb_buffer_peek()  local
3895 	reader = rb_get_reader_page(cpu_buffer);  in rb_buffer_peek()
3896 	if (!reader)  in rb_buffer_peek()
4705 	struct buffer_page *reader;  in ring_buffer_read_page()  local
4734 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_read_page()
4735 	if (!reader)  in ring_buffer_read_page()
4740 	read = reader->read;  in ring_buffer_read_page()
4741 	commit = rb_page_commit(reader);  in ring_buffer_read_page()
4789 			rpos = reader->read;  in ring_buffer_read_page()
4808 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
4813 		bpage = reader->page;  in ring_buffer_read_page()
4814 		reader->page = *data_page;  in ring_buffer_read_page()
4815 		local_set(&reader->write, 0);  in ring_buffer_read_page()
4816 		local_set(&reader->entries, 0);  in ring_buffer_read_page()
4817 		reader->read = 0;  in ring_buffer_read_page()
4825 		if (reader->real_end)  in ring_buffer_read_page()
4826 			local_set(&bpage->commit, reader->real_end);  in ring_buffer_read_page()