336 				 unsigned long req_size,  in try_context_readahead()  argument
347 	if (size <= req_size)  in try_context_readahead()
358 	ra->size = min(size + req_size, max);  in try_context_readahead()
371 		   unsigned long req_size)  in ondemand_readahead()  argument
412 		ra->size += req_size;  in ondemand_readahead()
421 	if (req_size > max)  in ondemand_readahead()
437 	if (try_context_readahead(mapping, ra, offset, req_size, max))  in ondemand_readahead()
444 	return __do_page_cache_readahead(mapping, filp, offset, req_size, 0);  in ondemand_readahead()
448 	ra->size = get_init_ra_size(req_size, max);  in ondemand_readahead()
449 	ra->async_size = ra->size > req_size ? ra->size - req_size : ra->size;  in ondemand_readahead()
481 			       pgoff_t offset, unsigned long req_size)  in page_cache_sync_readahead()  argument
489 		force_page_cache_readahead(mapping, filp, offset, req_size);  in page_cache_sync_readahead()
494 	ondemand_readahead(mapping, ra, filp, false, offset, req_size);  in page_cache_sync_readahead()
517 			   unsigned long req_size)  in page_cache_async_readahead()  argument
538 	ondemand_readahead(mapping, ra, filp, true, offset, req_size);  in page_cache_async_readahead()