file_inode(f)->i_mapping is f->f_mapping

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 8be0a24..59efb6e 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -729,7 +729,7 @@
 	struct page *page;
 
 	for (;;) {
-		page = read_cache_page(file_inode(desc->file)->i_mapping,
+		page = read_cache_page(desc->file->f_mapping,
 			desc->page_index, (filler_t *)nfs_readdir_filler, desc);
 		if (IS_ERR(page) || grab_page(page))
 			break;