1341 static void balance_dirty_pages(struct address_space *mapping,  in balance_dirty_pages()  argument
1357 	struct backing_dev_info *bdi = inode_to_bdi(mapping->host);  in balance_dirty_pages()
1578 void balance_dirty_pages_ratelimited(struct address_space *mapping)  in balance_dirty_pages_ratelimited()  argument
1580 	struct backing_dev_info *bdi = inode_to_bdi(mapping->host);  in balance_dirty_pages_ratelimited()
1620 		balance_dirty_pages(mapping, current->nr_dirtied);  in balance_dirty_pages_ratelimited()
1793 void tag_pages_for_writeback(struct address_space *mapping,  in tag_pages_for_writeback()  argument
1800 		spin_lock_irq(&mapping->tree_lock);  in tag_pages_for_writeback()
1801 		tagged = radix_tree_range_tag_if_tagged(&mapping->page_tree,  in tag_pages_for_writeback()
1804 		spin_unlock_irq(&mapping->tree_lock);  in tag_pages_for_writeback()
1834 int write_cache_pages(struct address_space *mapping,  in write_cache_pages()  argument
1852 		writeback_index = mapping->writeback_index; /* prev offset */  in write_cache_pages()
1872 		tag_pages_for_writeback(mapping, index, end);  in write_cache_pages()
1877 		nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag,  in write_cache_pages()
1913 			if (unlikely(page->mapping != mapping)) {  in write_cache_pages()
1935 			trace_wbc_writepage(wbc, inode_to_bdi(mapping->host));  in write_cache_pages()
1984 		mapping->writeback_index = done_index;  in write_cache_pages()
1997 	struct address_space *mapping = data;  in __writepage()  local
1998 	int ret = mapping->a_ops->writepage(page, wbc);  in __writepage()
1999 	mapping_set_error(mapping, ret);  in __writepage()
2011 int generic_writepages(struct address_space *mapping,  in generic_writepages()  argument
2018 	if (!mapping->a_ops->writepage)  in generic_writepages()
2022 	ret = write_cache_pages(mapping, wbc, __writepage, mapping);  in generic_writepages()
2029 int do_writepages(struct address_space *mapping, struct writeback_control *wbc)  in do_writepages()  argument
2035 	if (mapping->a_ops->writepages)  in do_writepages()
2036 		ret = mapping->a_ops->writepages(mapping, wbc);  in do_writepages()
2038 		ret = generic_writepages(mapping, wbc);  in do_writepages()
2053 	struct address_space *mapping = page->mapping;  in write_one_page()  local
2067 		ret = mapping->a_ops->writepage(page, &wbc);  in write_one_page()
2095 void account_page_dirtied(struct page *page, struct address_space *mapping)  in account_page_dirtied()  argument
2097 	trace_writeback_dirty_page(page, mapping);  in account_page_dirtied()
2099 	if (mapping_cap_account_dirty(mapping)) {  in account_page_dirtied()
2100 		struct backing_dev_info *bdi = inode_to_bdi(mapping->host);  in account_page_dirtied()
2122 void account_page_cleaned(struct page *page, struct address_space *mapping)  in account_page_cleaned()  argument
2124 	if (mapping_cap_account_dirty(mapping)) {  in account_page_cleaned()
2126 		dec_bdi_stat(inode_to_bdi(mapping->host), BDI_RECLAIMABLE);  in account_page_cleaned()
2147 		struct address_space *mapping = page_mapping(page);  in __set_page_dirty_nobuffers()  local
2150 		if (!mapping)  in __set_page_dirty_nobuffers()
2153 		spin_lock_irqsave(&mapping->tree_lock, flags);  in __set_page_dirty_nobuffers()
2154 		BUG_ON(page_mapping(page) != mapping);  in __set_page_dirty_nobuffers()
2156 		account_page_dirtied(page, mapping);  in __set_page_dirty_nobuffers()
2157 		radix_tree_tag_set(&mapping->page_tree, page_index(page),  in __set_page_dirty_nobuffers()
2159 		spin_unlock_irqrestore(&mapping->tree_lock, flags);  in __set_page_dirty_nobuffers()
2160 		if (mapping->host) {  in __set_page_dirty_nobuffers()
2162 			__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);  in __set_page_dirty_nobuffers()
2179 	struct address_space *mapping = page->mapping;  in account_page_redirty()  local
2180 	if (mapping && mapping_cap_account_dirty(mapping)) {  in account_page_redirty()
2183 		dec_bdi_stat(inode_to_bdi(mapping->host), BDI_DIRTIED);  in account_page_redirty()
2217 	struct address_space *mapping = page_mapping(page);  in set_page_dirty()  local
2219 	if (likely(mapping)) {  in set_page_dirty()
2220 		int (*spd)(struct page *) = mapping->a_ops->set_page_dirty;  in set_page_dirty()
2284 	struct address_space *mapping = page_mapping(page);  in clear_page_dirty_for_io()  local
2288 	if (mapping && mapping_cap_account_dirty(mapping)) {  in clear_page_dirty_for_io()
2326 			dec_bdi_stat(inode_to_bdi(mapping->host),  in clear_page_dirty_for_io()
2338 	struct address_space *mapping = page_mapping(page);  in test_clear_page_writeback()  local
2343 	if (mapping) {  in test_clear_page_writeback()
2344 		struct backing_dev_info *bdi = inode_to_bdi(mapping->host);  in test_clear_page_writeback()
2347 		spin_lock_irqsave(&mapping->tree_lock, flags);  in test_clear_page_writeback()
2350 			radix_tree_tag_clear(&mapping->page_tree,  in test_clear_page_writeback()
2358 		spin_unlock_irqrestore(&mapping->tree_lock, flags);  in test_clear_page_writeback()
2373 	struct address_space *mapping = page_mapping(page);  in __test_set_page_writeback()  local
2378 	if (mapping) {  in __test_set_page_writeback()
2379 		struct backing_dev_info *bdi = inode_to_bdi(mapping->host);  in __test_set_page_writeback()
2382 		spin_lock_irqsave(&mapping->tree_lock, flags);  in __test_set_page_writeback()
2385 			radix_tree_tag_set(&mapping->page_tree,  in __test_set_page_writeback()
2392 			radix_tree_tag_clear(&mapping->page_tree,  in __test_set_page_writeback()
2396 			radix_tree_tag_clear(&mapping->page_tree,  in __test_set_page_writeback()
2399 		spin_unlock_irqrestore(&mapping->tree_lock, flags);  in __test_set_page_writeback()
2417 int mapping_tagged(struct address_space *mapping, int tag)  in mapping_tagged()  argument
2419 	return radix_tree_tagged(&mapping->page_tree, tag);  in mapping_tagged()
2433 	if (bdi_cap_stable_pages_required(inode_to_bdi(page->mapping->host)))  in wait_for_stable_page()