1562 static void balance_dirty_pages(struct address_space *mapping,  in balance_dirty_pages()  argument
1864 void balance_dirty_pages_ratelimited(struct address_space *mapping)  in balance_dirty_pages_ratelimited()  argument
1866 	struct inode *inode = mapping->host;  in balance_dirty_pages_ratelimited()
1913 		balance_dirty_pages(mapping, wb, current->nr_dirtied);  in balance_dirty_pages_ratelimited()
2105 void tag_pages_for_writeback(struct address_space *mapping,  in tag_pages_for_writeback()  argument
2113 	spin_lock_irq(&mapping->tree_lock);  in tag_pages_for_writeback()
2114 	radix_tree_for_each_tagged(slot, &mapping->page_tree, &iter, start,  in tag_pages_for_writeback()
2118 		radix_tree_iter_tag_set(&mapping->page_tree, &iter,  in tag_pages_for_writeback()
2124 		spin_unlock_irq(&mapping->tree_lock);  in tag_pages_for_writeback()
2126 		spin_lock_irq(&mapping->tree_lock);  in tag_pages_for_writeback()
2128 	spin_unlock_irq(&mapping->tree_lock);  in tag_pages_for_writeback()
2161 int write_cache_pages(struct address_space *mapping,  in write_cache_pages()  argument
2179 		writeback_index = mapping->writeback_index; /* prev offset */  in write_cache_pages()
2193 		tag_pages_for_writeback(mapping, index, end);  in write_cache_pages()
2198 		nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end,  in write_cache_pages()
2218 			if (unlikely(page->mapping != mapping)) {  in write_cache_pages()
2240 			trace_wbc_writepage(wbc, inode_to_bdi(mapping->host));  in write_cache_pages()
2292 		mapping->writeback_index = done_index;  in write_cache_pages()
2305 	struct address_space *mapping = data;  in __writepage()  local
2306 	int ret = mapping->a_ops->writepage(page, wbc);  in __writepage()
2307 	mapping_set_error(mapping, ret);  in __writepage()
2319 int generic_writepages(struct address_space *mapping,  in generic_writepages()  argument
2326 	if (!mapping->a_ops->writepage)  in generic_writepages()
2330 	ret = write_cache_pages(mapping, wbc, __writepage, mapping);  in generic_writepages()
2337 int do_writepages(struct address_space *mapping, struct writeback_control *wbc)  in do_writepages()  argument
2344 		if (mapping->a_ops->writepages)  in do_writepages()
2345 			ret = mapping->a_ops->writepages(mapping, wbc);  in do_writepages()
2347 			ret = generic_writepages(mapping, wbc);  in do_writepages()
2367 	struct address_space *mapping = page->mapping;  in write_one_page()  local
2380 		ret = mapping->a_ops->writepage(page, &wbc);  in write_one_page()
2389 		ret = filemap_check_errors(mapping);  in write_one_page()
2411 void account_page_dirtied(struct page *page, struct address_space *mapping)  in account_page_dirtied()  argument
2413 	struct inode *inode = mapping->host;  in account_page_dirtied()
2415 	trace_writeback_dirty_page(page, mapping);  in account_page_dirtied()
2417 	if (mapping_cap_account_dirty(mapping)) {  in account_page_dirtied()
2440 void account_page_cleaned(struct page *page, struct address_space *mapping,  in account_page_cleaned()  argument
2443 	if (mapping_cap_account_dirty(mapping)) {  in account_page_cleaned()
2467 		struct address_space *mapping = page_mapping(page);  in __set_page_dirty_nobuffers()  local
2470 		if (!mapping) {  in __set_page_dirty_nobuffers()
2475 		spin_lock_irqsave(&mapping->tree_lock, flags);  in __set_page_dirty_nobuffers()
2476 		BUG_ON(page_mapping(page) != mapping);  in __set_page_dirty_nobuffers()
2478 		account_page_dirtied(page, mapping);  in __set_page_dirty_nobuffers()
2479 		radix_tree_tag_set(&mapping->page_tree, page_index(page),  in __set_page_dirty_nobuffers()
2481 		spin_unlock_irqrestore(&mapping->tree_lock, flags);  in __set_page_dirty_nobuffers()
2484 		if (mapping->host) {  in __set_page_dirty_nobuffers()
2486 			__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);  in __set_page_dirty_nobuffers()
2504 	struct address_space *mapping = page->mapping;  in account_page_redirty()  local
2506 	if (mapping && mapping_cap_account_dirty(mapping)) {  in account_page_redirty()
2507 		struct inode *inode = mapping->host;  in account_page_redirty()
2549 	struct address_space *mapping = page_mapping(page);  in set_page_dirty()  local
2552 	if (likely(mapping)) {  in set_page_dirty()
2553 		int (*spd)(struct page *) = mapping->a_ops->set_page_dirty;  in set_page_dirty()
2616 	struct address_space *mapping = page_mapping(page);  in cancel_dirty_page()  local
2618 	if (mapping_cap_account_dirty(mapping)) {  in cancel_dirty_page()
2619 		struct inode *inode = mapping->host;  in cancel_dirty_page()
2627 			account_page_cleaned(page, mapping, wb);  in cancel_dirty_page()
2653 	struct address_space *mapping = page_mapping(page);  in clear_page_dirty_for_io()  local
2658 	if (mapping && mapping_cap_account_dirty(mapping)) {  in clear_page_dirty_for_io()
2659 		struct inode *inode = mapping->host;  in clear_page_dirty_for_io()
2714 	struct address_space *mapping = page_mapping(page);  in test_clear_page_writeback()  local
2721 	if (mapping && mapping_use_writeback_tags(mapping)) {  in test_clear_page_writeback()
2722 		struct inode *inode = mapping->host;  in test_clear_page_writeback()
2726 		spin_lock_irqsave(&mapping->tree_lock, flags);  in test_clear_page_writeback()
2729 			radix_tree_tag_clear(&mapping->page_tree,  in test_clear_page_writeback()
2740 		if (mapping->host && !mapping_tagged(mapping,  in test_clear_page_writeback()
2742 			sb_clear_inode_writeback(mapping->host);  in test_clear_page_writeback()
2744 		spin_unlock_irqrestore(&mapping->tree_lock, flags);  in test_clear_page_writeback()
2765 	struct address_space *mapping = page_mapping(page);  in __test_set_page_writeback()  local
2769 	if (mapping && mapping_use_writeback_tags(mapping)) {  in __test_set_page_writeback()
2770 		struct inode *inode = mapping->host;  in __test_set_page_writeback()
2774 		spin_lock_irqsave(&mapping->tree_lock, flags);  in __test_set_page_writeback()
2779 			on_wblist = mapping_tagged(mapping,  in __test_set_page_writeback()
2782 			radix_tree_tag_set(&mapping->page_tree,  in __test_set_page_writeback()
2793 			if (mapping->host && !on_wblist)  in __test_set_page_writeback()
2794 				sb_mark_inode_writeback(mapping->host);  in __test_set_page_writeback()
2797 			radix_tree_tag_clear(&mapping->page_tree,  in __test_set_page_writeback()
2801 			radix_tree_tag_clear(&mapping->page_tree,  in __test_set_page_writeback()
2804 		spin_unlock_irqrestore(&mapping->tree_lock, flags);  in __test_set_page_writeback()
2822 int mapping_tagged(struct address_space *mapping, int tag)  in mapping_tagged()  argument
2824 	return radix_tree_tagged(&mapping->page_tree, tag);  in mapping_tagged()
2838 	if (bdi_cap_stable_pages_required(inode_to_bdi(page->mapping->host)))  in wait_for_stable_page()