34 file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping)  in file_ra_state_init()  argument
36 	ra->ra_pages = inode_to_bdi(mapping->host)->ra_pages;  in file_ra_state_init()
48 static void read_cache_pages_invalidate_page(struct address_space *mapping,  in read_cache_pages_invalidate_page()  argument
54 		page->mapping = mapping;  in read_cache_pages_invalidate_page()
56 		page->mapping = NULL;  in read_cache_pages_invalidate_page()
65 static void read_cache_pages_invalidate_pages(struct address_space *mapping,  in read_cache_pages_invalidate_pages()  argument
73 		read_cache_pages_invalidate_page(mapping, victim);  in read_cache_pages_invalidate_pages()
89 int read_cache_pages(struct address_space *mapping, struct list_head *pages,  in read_cache_pages()  argument
98 		if (add_to_page_cache_lru(page, mapping, page->index,  in read_cache_pages()
99 				readahead_gfp_mask(mapping))) {  in read_cache_pages()
100 			read_cache_pages_invalidate_page(mapping, page);  in read_cache_pages()
107 			read_cache_pages_invalidate_pages(mapping, pages);  in read_cache_pages()
120 	const struct address_space_operations *aops = rac->mapping->a_ops;  in read_pages()
137 		aops->readpages(rac->file, rac->mapping, pages,  in read_pages()
177 	struct address_space *mapping = ractl->mapping;  in page_cache_ra_unbounded()  local
180 	gfp_t gfp_mask = readahead_gfp_mask(mapping);  in page_cache_ra_unbounded()
199 		struct page *page = xa_load(&mapping->i_pages, index + i);  in page_cache_ra_unbounded()
219 		if (mapping->a_ops->readpages) {  in page_cache_ra_unbounded()
222 		} else if (add_to_page_cache_lru(page, mapping, index + i,  in page_cache_ra_unbounded()
252 	struct inode *inode = ractl->mapping->host;  in do_page_cache_ra()
277 	struct address_space *mapping = ractl->mapping;  in force_page_cache_ra()  local
278 	struct backing_dev_info *bdi = inode_to_bdi(mapping->host);  in force_page_cache_ra()
281 	if (unlikely(!mapping->a_ops->readpage && !mapping->a_ops->readpages &&  in force_page_cache_ra()
282 			!mapping->a_ops->readahead))  in force_page_cache_ra()
386 static pgoff_t count_history_pages(struct address_space *mapping,  in count_history_pages()  argument
392 	head = page_cache_prev_miss(mapping, index - 1, max);  in count_history_pages()
401 static int try_context_readahead(struct address_space *mapping,  in try_context_readahead()  argument
409 	size = count_history_pages(mapping, index, max);  in try_context_readahead()
439 	struct backing_dev_info *bdi = inode_to_bdi(ractl->mapping->host);  in ondemand_readahead()
480 		start = page_cache_next_miss(ractl->mapping, index + 1,  in ondemand_readahead()
514 	if (try_context_readahead(ractl->mapping, ra, index, req_size,  in ondemand_readahead()
600 	if (inode_read_congested(ractl->mapping->host))  in page_cache_async_ra()