2554 	DEFINE_READAHEAD(ractl, file, &file->f_ra, mapping, folio->index);  in filemap_readahead()
2559 		ractl.dropbehind = 1;  in filemap_readahead()
2560 	page_cache_async_ra(&ractl, folio, last_index - folio->index);  in filemap_readahead()
2583 		DEFINE_READAHEAD(ractl, filp, &filp->f_ra, mapping, index);  in filemap_get_pages()
2590 			ractl.dropbehind = 1;  in filemap_get_pages()
2591 		page_cache_sync_ra(&ractl, last_index - index);  in filemap_get_pages()
3207 	DEFINE_READAHEAD(ractl, file, ra, mapping, vmf->pgoff);  in do_sync_mmap_readahead()
3216 		ractl._index &= ~((unsigned long)HPAGE_PMD_NR - 1);  in do_sync_mmap_readahead()
3225 		page_cache_ra_order(&ractl, ra, HPAGE_PMD_ORDER);  in do_sync_mmap_readahead()
3238 		page_cache_sync_ra(&ractl, ra->ra_pages);  in do_sync_mmap_readahead()
3261 	ractl._index = ra->start;  in do_sync_mmap_readahead()
3262 	page_cache_ra_order(&ractl, ra, 0);  in do_sync_mmap_readahead()
3276 	DEFINE_READAHEAD(ractl, file, ra, file->f_mapping, vmf->pgoff);  in do_async_mmap_readahead()
3290 		page_cache_async_ra(&ractl, folio, ra->ra_pages);  in do_async_mmap_readahead()