Many files:
  alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
  	brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
  	expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
  	icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
  	mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
  	tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
  	to protect applications that attempt to compile
  	-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?).  So
  	we use ext2_ino_t to avoid an unexpected ABI change.

diff --git a/lib/ext2fs/mkdir.c b/lib/ext2fs/mkdir.c
index 98c5ccf..e037dad 100644
--- a/lib/ext2fs/mkdir.c
+++ b/lib/ext2fs/mkdir.c
@@ -35,13 +35,13 @@
 #define EXT2_FT_DIR		2
 #endif
 
-errcode_t ext2fs_mkdir(ext2_filsys fs, ino_t parent, ino_t inum,
+errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum,
 		       const char *name)
 {
 	errcode_t		retval;
 	struct ext2_inode	parent_inode, inode;
-	ino_t			ino = inum;
-	ino_t			scratch_ino;
+	ext2_ino_t		ino = inum;
+	ext2_ino_t		scratch_ino;
 	blk_t			blk;
 	char			*block = 0;
 	int			group;