359 	struct address_space *mapping = inode->i_mapping;  in ext4_num_dirty_pages()  local
370 		nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,  in ext4_num_dirty_pages()
380 			if (unlikely(page->mapping != mapping) ||  in ext4_num_dirty_pages()
418 	struct address_space *mapping = inode->i_mapping;  in set_buffers_da_mapped()  local
429 		nr_pages = pagevec_lookup(&pvec, mapping, index,  in set_buffers_da_mapped()
438 			if (unlikely(page->mapping != mapping) ||  in set_buffers_da_mapped()
805 static int ext4_write_begin(struct file *file, struct address_space *mapping,  in ext4_write_begin()  argument
809 	struct inode *inode = mapping->host;  in ext4_write_begin()
838 	page = grab_cache_page_write_begin(mapping, index, flags);  in ext4_write_begin()
900 				  struct address_space *mapping,  in ext4_generic_write_end()  argument
905 	struct inode *inode = mapping->host;  in ext4_generic_write_end()
908 	copied = block_write_end(file, mapping, pos, len, copied, page, fsdata);  in ext4_generic_write_end()
953 				  struct address_space *mapping,  in ext4_ordered_write_end()  argument
958 	struct inode *inode = mapping->host;  in ext4_ordered_write_end()
965 		ret2 = ext4_generic_write_end(file, mapping, pos, len, copied,  in ext4_ordered_write_end()
1001 				    struct address_space *mapping,  in ext4_writeback_write_end()  argument
1006 	struct inode *inode = mapping->host;  in ext4_writeback_write_end()
1010 	ret2 = ext4_generic_write_end(file, mapping, pos, len, copied,  in ext4_writeback_write_end()
1042 				     struct address_space *mapping,  in ext4_journalled_write_end()  argument
1047 	struct inode *inode = mapping->host;  in ext4_journalled_write_end()
1223 	struct inode *inode = page->mapping->host;  in ext4_da_page_release_reservation()
1279 	struct address_space *mapping = inode->i_mapping;  in mpage_da_submit_io()  local
1300 		nr_pages = pagevec_lookup(&pvec, mapping, index, PAGEVEC_SIZE);  in mpage_da_submit_io()
1424 	struct address_space *mapping = inode->i_mapping;  in ext4_da_block_invalidatepages()  local
1431 		nr_pages = pagevec_lookup(&pvec, mapping, index, PAGEVEC_SIZE);  in ext4_da_block_invalidatepages()
1842 	struct address_space *mapping = page->mapping;  in __ext4_journalled_writepage()  local
1843 	struct inode *inode = mapping->host;  in __ext4_journalled_writepage()
1934 	struct inode *inode = page->mapping->host;  in ext4_writepage()
2026 static int write_cache_pages_da(struct address_space *mapping,  in write_cache_pages_da()  argument
2032 	struct inode		*inode = mapping->host;  in write_cache_pages_da()
2054 		nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag,  in write_cache_pages_da()
2097 			    unlikely(page->mapping != mapping)) {  in write_cache_pages_da()
2187 static int ext4_da_writepages(struct address_space *mapping,  in ext4_da_writepages()  argument
2194 	struct inode *inode = mapping->host;  in ext4_da_writepages()
2201 	struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb);  in ext4_da_writepages()
2213 	if (!mapping->nrpages || !mapping_tagged(mapping, PAGECACHE_TAG_DIRTY))  in ext4_da_writepages()
2234 		index = mapping->writeback_index;  in ext4_da_writepages()
2281 		tag_pages_for_writeback(mapping, index, end);  in ext4_da_writepages()
2311 		ret = write_cache_pages_da(mapping, wbc, &mpd, &done_index);  in ext4_da_writepages()
2355 		wbc->range_end  = mapping->writeback_index - 1;  in ext4_da_writepages()
2366 		mapping->writeback_index = done_index;  in ext4_da_writepages()
2413 static int ext4_da_write_begin(struct file *file, struct address_space *mapping,  in ext4_da_write_begin()  argument
2420 	struct inode *inode = mapping->host;  in ext4_da_write_begin()
2427 		return ext4_write_begin(file, mapping, pos,  in ext4_da_write_begin()
2448 	page = grab_cache_page_write_begin(mapping, index, flags);  in ext4_da_write_begin()
2484 	struct inode *inode = page->mapping->host;  in ext4_da_should_update_i_disksize()
2500 			     struct address_space *mapping,  in ext4_da_write_end()  argument
2504 	struct inode *inode = mapping->host;  in ext4_da_write_end()
2514 			return ext4_ordered_write_end(file, mapping, pos,  in ext4_da_write_end()
2517 			return ext4_writeback_write_end(file, mapping, pos,  in ext4_da_write_end()
2557 	ret2 = generic_write_end(file, mapping, pos, len, copied,  in ext4_da_write_end()
2645 static sector_t ext4_bmap(struct address_space *mapping, sector_t block)  in ext4_bmap()  argument
2647 	struct inode *inode = mapping->host;  in ext4_bmap()
2651 	if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY) &&  in ext4_bmap()
2658 		filemap_write_and_wait(mapping);  in ext4_bmap()
2691 	return generic_block_bmap(mapping, block, ext4_get_block);  in ext4_bmap()
2701 ext4_readpages(struct file *file, struct address_space *mapping,  in ext4_readpages()  argument
2704 	return mpage_readpages(mapping, pages, nr_pages, ext4_get_block);  in ext4_readpages()
2729 	journal_t *journal = EXT4_JOURNAL(page->mapping->host);  in ext4_invalidatepage()
2736 	if (ext4_should_dioread_nolock(page->mapping->host))  in ext4_invalidatepage()
2752 	journal_t *journal = EXT4_JOURNAL(page->mapping->host);  in ext4_releasepage()
3149 		struct address_space *mapping, loff_t from,  in ext4_discard_partial_page_buffers()  argument
3152 	struct inode *inode = mapping->host;  in ext4_discard_partial_page_buffers()
3156 	page = find_or_create_page(mapping, from >> PAGE_CACHE_SHIFT,  in ext4_discard_partial_page_buffers()
3157 				   mapping_gfp_mask(mapping) & ~__GFP_FS);  in ext4_discard_partial_page_buffers()
4627 	struct address_space *mapping = inode->i_mapping;  in ext4_page_mkwrite()  local
4652 	if (page->mapping != mapping || page_offset(page) > size) {  in ext4_page_mkwrite()