3190 				  struct buffer_page *reader)  in rb_update_meta_reader()  argument
3194 	void *new_reader = reader->page;  in rb_update_meta_reader()
3197 	id = reader->id;  in rb_update_meta_reader()
3199 	reader->id = 0;  in rb_update_meta_reader()
3205 	rb_update_meta_head(cpu_buffer, reader);  in rb_update_meta_reader()
5182 	struct buffer_page *reader;  in ring_buffer_iter_empty()  local
5191 	reader = cpu_buffer->reader_page;  in ring_buffer_iter_empty()
5217 		(iter->head_page == reader && commit_page == head_page &&  in ring_buffer_iter_empty()
5286 	struct buffer_page *reader = NULL;  in rb_get_reader_page()  local
5304 		reader = NULL;  in rb_get_reader_page()
5308 	reader = cpu_buffer->reader_page;  in rb_get_reader_page()
5311 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
5316 		       cpu_buffer->reader_page->read > rb_page_size(reader)))  in rb_get_reader_page()
5320 	reader = NULL;  in rb_get_reader_page()
5340 	reader = rb_set_head_page(cpu_buffer);  in rb_get_reader_page()
5341 	if (!reader)  in rb_get_reader_page()
5343 	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);  in rb_get_reader_page()
5344 	cpu_buffer->reader_page->list.prev = reader->list.prev;  in rb_get_reader_page()
5351 	cpu_buffer->pages = reader->list.prev;  in rb_get_reader_page()
5379 	ret = rb_head_page_replace(reader, cpu_buffer->reader_page);  in rb_get_reader_page()
5388 		rb_update_meta_reader(cpu_buffer, reader);  in rb_get_reader_page()
5395 	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;  in rb_get_reader_page()
5402 	cpu_buffer->reader_page = reader;  in rb_get_reader_page()
5414 	if (reader && reader->read == 0)  in rb_get_reader_page()
5415 		cpu_buffer->read_stamp = reader->page->time_stamp;  in rb_get_reader_page()
5427 		if (likely(!reader || rb_page_write(reader) <= bsize))  in rb_get_reader_page()
5438 		reader = NULL;  in rb_get_reader_page()
5452 	return reader;  in rb_get_reader_page()
5458 	struct buffer_page *reader;  in rb_advance_reader()  local
5461 	reader = rb_get_reader_page(cpu_buffer);  in rb_advance_reader()
5464 	if (RB_WARN_ON(cpu_buffer, !reader))  in rb_advance_reader()
5518 	struct buffer_page *reader;  in rb_buffer_peek()  local
5533 	reader = rb_get_reader_page(cpu_buffer);  in rb_buffer_peek()
5534 	if (!reader)  in rb_buffer_peek()
5561 			*ts = rb_fix_abs_ts(*ts, reader->page->time_stamp);  in rb_buffer_peek()
6012 	meta->reader.read = cpu_buffer->reader_page->read;  in rb_update_meta_page()
6013 	meta->reader.id = cpu_buffer->reader_page->id;  in rb_update_meta_page()
6014 	meta->reader.lost_events = cpu_buffer->lost_events;  in rb_update_meta_page()
6509 	struct buffer_page *reader;  in ring_buffer_read_page()  local
6540 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_read_page()
6541 	if (!reader)  in ring_buffer_read_page()
6546 	read = reader->read;  in ring_buffer_read_page()
6547 	commit = rb_page_size(reader);  in ring_buffer_read_page()
6604 			rpos = reader->read;  in ring_buffer_read_page()
6623 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
6624 		cpu_buffer->read_bytes += rb_page_size(reader);  in ring_buffer_read_page()
6628 		bpage = reader->page;  in ring_buffer_read_page()
6629 		reader->page = data_page->data;  in ring_buffer_read_page()
6630 		local_set(&reader->write, 0);  in ring_buffer_read_page()
6631 		local_set(&reader->entries, 0);  in ring_buffer_read_page()
6632 		reader->read = 0;  in ring_buffer_read_page()
6640 		if (reader->real_end)  in ring_buffer_read_page()
6641 			local_set(&bpage->commit, reader->real_end);  in ring_buffer_read_page()
7252 	struct buffer_page *reader;  in ring_buffer_map_get_reader()  local
7280 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_map_get_reader()
7281 	if (WARN_ON(!reader))  in ring_buffer_map_get_reader()
7289 			struct buffer_data_page *bpage = reader->page;  in ring_buffer_map_get_reader()
7296 			if (reader->real_end)  in ring_buffer_map_get_reader()
7297 				local_set(&bpage->commit, reader->real_end);  in ring_buffer_map_get_reader()
7302 			commit = rb_page_size(reader);  in ring_buffer_map_get_reader()