nilfs2: remove compat ioctl code

This removes compat code from the nilfs ioctls and applies the same
function for both .ioctl and .compat_ioctl file operations.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index 1b7e6dd..393316c 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -704,7 +704,7 @@
 	.readdir	= nilfs_readdir,
 	.ioctl		= nilfs_ioctl,
 #ifdef CONFIG_COMPAT
-	.compat_ioctl	= nilfs_compat_ioctl,
+	.compat_ioctl	= nilfs_ioctl,
 #endif	/* CONFIG_COMPAT */
 	.fsync		= nilfs_sync_file,