1156 	struct address_space *mapping = page->mapping;  in cifs_partialpagewrite()  local
1166 	if (!mapping || !mapping->host)  in cifs_partialpagewrite()
1169 	inode = page->mapping->host;  in cifs_partialpagewrite()
1183 	if (offset > mapping->host->i_size) {  in cifs_partialpagewrite()
1189 	if (mapping->host->i_size - offset < (loff_t)to)  in cifs_partialpagewrite()
1190 		to = (unsigned)(mapping->host->i_size - offset);  in cifs_partialpagewrite()
1192 	open_file = find_writable_file(CIFS_I(mapping->host));  in cifs_partialpagewrite()
1212 static int cifs_writepages(struct address_space *mapping,  in cifs_writepages()  argument
1215 	struct backing_dev_info *bdi = mapping->backing_dev_info;  in cifs_writepages()
1236 	cifs_sb = CIFS_SB(mapping->host->i_sb);  in cifs_writepages()
1243 		return generic_writepages(mapping, wbc);  in cifs_writepages()
1249 				return generic_writepages(mapping, wbc);  in cifs_writepages()
1253 		return generic_writepages(mapping, wbc);  in cifs_writepages()
1270 		index = mapping->writeback_index; /* Start from prev offset */  in cifs_writepages()
1281 	       (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,  in cifs_writepages()
1307 			if (unlikely(page->mapping != mapping)) {  in cifs_writepages()
1339 			if (page_offset(page) >= mapping->host->i_size) {  in cifs_writepages()
1351 			len = min(mapping->host->i_size - page_offset(page),  in cifs_writepages()
1373 			open_file = find_writable_file(CIFS_I(mapping->host));  in cifs_writepages()
1390 						set_bit(AS_ENOSPC, &mapping->flags);  in cifs_writepages()
1392 						set_bit(AS_EIO, &mapping->flags);  in cifs_writepages()
1431 		mapping->writeback_index = index;  in cifs_writepages()
1469 static int cifs_write_end(struct file *file, struct address_space *mapping,  in cifs_write_end()  argument
1474 	struct inode *inode = mapping->host;  in cifs_write_end()
1768 static void cifs_copy_cache_pages(struct address_space *mapping,  in cifs_copy_cache_pages()  argument
1782 		if (add_to_page_cache(page, mapping, page->index,  in cifs_copy_cache_pages()
1815 static int cifs_readpages(struct file *file, struct address_space *mapping,  in cifs_readpages()  argument
1908 			cifs_copy_cache_pages(mapping, page_list, bytes_read,  in cifs_readpages()
2064 static int cifs_write_begin(struct file *file, struct address_space *mapping,  in cifs_write_begin()  argument
2077 	page = grab_cache_page_write_begin(mapping, index, flags);  in cifs_write_begin()
2100 	if (CIFS_I(mapping->host)->clientCanCacheRead) {  in cifs_write_begin()
2101 		i_size = i_size_read(mapping->host);  in cifs_write_begin()