3285 				  struct buffer_page *reader)  in rb_update_meta_reader()  argument
3289 	void *new_reader = reader->page;  in rb_update_meta_reader()
3292 	id = reader->id;  in rb_update_meta_reader()
3294 	reader->id = 0;  in rb_update_meta_reader()
3300 	rb_update_meta_head(cpu_buffer, reader);  in rb_update_meta_reader()
5288 	struct buffer_page *reader;  in ring_buffer_iter_empty()  local
5297 	reader = cpu_buffer->reader_page;  in ring_buffer_iter_empty()
5323 		(iter->head_page == reader && commit_page == head_page &&  in ring_buffer_iter_empty()
5392 	struct buffer_page *reader = NULL;  in rb_get_reader_page()  local
5410 		reader = NULL;  in rb_get_reader_page()
5414 	reader = cpu_buffer->reader_page;  in rb_get_reader_page()
5417 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
5422 		       cpu_buffer->reader_page->read > rb_page_size(reader)))  in rb_get_reader_page()
5426 	reader = NULL;  in rb_get_reader_page()
5445 	reader = rb_set_head_page(cpu_buffer);  in rb_get_reader_page()
5446 	if (!reader)  in rb_get_reader_page()
5448 	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);  in rb_get_reader_page()
5449 	cpu_buffer->reader_page->list.prev = reader->list.prev;  in rb_get_reader_page()
5456 	cpu_buffer->pages = reader->list.prev;  in rb_get_reader_page()
5484 	ret = rb_head_page_replace(reader, cpu_buffer->reader_page);  in rb_get_reader_page()
5493 		rb_update_meta_reader(cpu_buffer, reader);  in rb_get_reader_page()
5500 	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;  in rb_get_reader_page()
5507 	cpu_buffer->reader_page = reader;  in rb_get_reader_page()
5519 	if (reader && reader->read == 0)  in rb_get_reader_page()
5520 		cpu_buffer->read_stamp = reader->page->time_stamp;  in rb_get_reader_page()
5532 		if (likely(!reader || rb_page_write(reader) <= bsize))  in rb_get_reader_page()
5543 		reader = NULL;  in rb_get_reader_page()
5557 	return reader;  in rb_get_reader_page()
5563 	struct buffer_page *reader;  in rb_advance_reader()  local
5566 	reader = rb_get_reader_page(cpu_buffer);  in rb_advance_reader()
5569 	if (RB_WARN_ON(cpu_buffer, !reader))  in rb_advance_reader()
5623 	struct buffer_page *reader;  in rb_buffer_peek()  local
5638 	reader = rb_get_reader_page(cpu_buffer);  in rb_buffer_peek()
5639 	if (!reader)  in rb_buffer_peek()
5666 			*ts = rb_fix_abs_ts(*ts, reader->page->time_stamp);  in rb_buffer_peek()
6107 	meta->reader.read = cpu_buffer->reader_page->read;  in rb_update_meta_page()
6108 	meta->reader.id = rb_page_id(cpu_buffer, cpu_buffer->reader_page,  in rb_update_meta_page()
6111 	meta->reader.lost_events = cpu_buffer->lost_events;  in rb_update_meta_page()
6596 	struct buffer_page *reader;  in ring_buffer_read_page()  local
6626 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_read_page()
6627 	if (!reader)  in ring_buffer_read_page()
6632 	read = reader->read;  in ring_buffer_read_page()
6633 	commit = rb_page_size(reader);  in ring_buffer_read_page()
6690 			rpos = reader->read;  in ring_buffer_read_page()
6709 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
6710 		cpu_buffer->read_bytes += rb_page_size(reader);  in ring_buffer_read_page()
6714 		bpage = reader->page;  in ring_buffer_read_page()
6715 		reader->page = data_page->data;  in ring_buffer_read_page()
6716 		local_set(&reader->write, 0);  in ring_buffer_read_page()
6717 		local_set(&reader->entries, 0);  in ring_buffer_read_page()
6718 		reader->read = 0;  in ring_buffer_read_page()
6726 		if (reader->real_end)  in ring_buffer_read_page()
6727 			local_set(&bpage->commit, reader->real_end);  in ring_buffer_read_page()
7319 	struct buffer_page *reader;  in ring_buffer_map_get_reader()  local
7347 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_map_get_reader()
7348 	if (WARN_ON(!reader))  in ring_buffer_map_get_reader()
7356 			struct buffer_data_page *bpage = reader->page;  in ring_buffer_map_get_reader()
7363 			if (reader->real_end)  in ring_buffer_map_get_reader()
7364 				local_set(&bpage->commit, reader->real_end);  in ring_buffer_map_get_reader()
7369 			commit = rb_page_size(reader);  in ring_buffer_map_get_reader()