2159 		      struct writeback_control *wbc, writepage_t writepage,  in write_cache_pages()  argument
2175 	if (wbc->range_cyclic) {  in write_cache_pages()
2180 		index = wbc->range_start >> PAGE_SHIFT;  in write_cache_pages()
2181 		end = wbc->range_end >> PAGE_SHIFT;  in write_cache_pages()
2182 		if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)  in write_cache_pages()
2185 	if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages)  in write_cache_pages()
2189 	if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages)  in write_cache_pages()
2227 				if (wbc->sync_mode != WB_SYNC_NONE)  in write_cache_pages()
2237 			trace_wbc_writepage(wbc, inode_to_bdi(mapping->host));  in write_cache_pages()
2238 			error = (*writepage)(page, wbc, data);  in write_cache_pages()
2255 				} else if (wbc->sync_mode != WB_SYNC_ALL) {  in write_cache_pages()
2271 			if (--wbc->nr_to_write <= 0 &&  in write_cache_pages()
2272 			    wbc->sync_mode == WB_SYNC_NONE) {  in write_cache_pages()
2286 	if (wbc->range_cyclic && !done)  in write_cache_pages()
2288 	if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))  in write_cache_pages()
2299 static int __writepage(struct page *page, struct writeback_control *wbc,  in __writepage()  argument
2303 	int ret = mapping->a_ops->writepage(page, wbc);  in __writepage()
2319 		       struct writeback_control *wbc)  in generic_writepages()  argument
2329 	ret = write_cache_pages(mapping, wbc, __writepage, mapping);  in generic_writepages()
2336 int do_writepages(struct address_space *mapping, struct writeback_control *wbc)  in do_writepages()  argument
2340 	if (wbc->nr_to_write <= 0)  in do_writepages()
2344 			ret = mapping->a_ops->writepages(mapping, wbc);  in do_writepages()
2346 			ret = generic_writepages(mapping, wbc);  in do_writepages()
2347 		if ((ret != -ENOMEM) || (wbc->sync_mode != WB_SYNC_ALL))  in do_writepages()
2370 	struct writeback_control wbc = {  in write_one_page()  local
2381 		ret = mapping->a_ops->writepage(page, &wbc);  in write_one_page()
2527 int redirty_page_for_writepage(struct writeback_control *wbc, struct page *page)  in redirty_page_for_writepage()  argument
2531 	wbc->pages_skipped++;  in redirty_page_for_writepage()