35 #define list_to_page(head) (list_entry((head)->prev, struct page, lru))
45 					     struct page *page)  in read_cache_pages_invalidate_page()  argument
47 	if (page_has_private(page)) {  in read_cache_pages_invalidate_page()
48 		if (!trylock_page(page))  in read_cache_pages_invalidate_page()
50 		page->mapping = mapping;  in read_cache_pages_invalidate_page()
51 		do_invalidatepage(page, 0, PAGE_CACHE_SIZE);  in read_cache_pages_invalidate_page()
52 		page->mapping = NULL;  in read_cache_pages_invalidate_page()
53 		unlock_page(page);  in read_cache_pages_invalidate_page()
55 	page_cache_release(page);  in read_cache_pages_invalidate_page()
64 	struct page *victim;  in read_cache_pages_invalidate_pages()
84 			int (*filler)(void *, struct page *), void *data)  in read_cache_pages()  argument
86 	struct page *page;  in read_cache_pages()  local
90 		page = list_to_page(pages);  in read_cache_pages()
91 		list_del(&page->lru);  in read_cache_pages()
92 		if (add_to_page_cache_lru(page, mapping,  in read_cache_pages()
93 					page->index, GFP_KERNEL)) {  in read_cache_pages()
94 			read_cache_pages_invalidate_page(mapping, page);  in read_cache_pages()
97 		page_cache_release(page);  in read_cache_pages()
99 		ret = filler(data, page);  in read_cache_pages()
128 		struct page *page = list_to_page(pages);  in read_pages()  local
129 		list_del(&page->lru);  in read_pages()
130 		if (!add_to_page_cache_lru(page, mapping,  in read_pages()
131 					page->index, GFP_KERNEL)) {  in read_pages()
132 			mapping->a_ops->readpage(filp, page);  in read_pages()
134 		page_cache_release(page);  in read_pages()
157 	struct page *page;  in __do_page_cache_readahead()  local
179 		page = radix_tree_lookup(&mapping->page_tree, page_offset);  in __do_page_cache_readahead()
181 		if (page && !radix_tree_exceptional_entry(page))  in __do_page_cache_readahead()
184 		page = page_cache_alloc_readahead(mapping);  in __do_page_cache_readahead()
185 		if (!page)  in __do_page_cache_readahead()
187 		page->index = page_offset;  in __do_page_cache_readahead()
188 		list_add(&page->lru, &page_pool);  in __do_page_cache_readahead()
190 			SetPageReadahead(page);  in __do_page_cache_readahead()
526 			   struct page *page, pgoff_t offset,  in page_cache_async_readahead()  argument
536 	if (PageWriteback(page))  in page_cache_async_readahead()
539 	ClearPageReadahead(page);  in page_cache_async_readahead()