userns: Convert ext2 to use kuid/kgid where appropriate.

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 0b2b4db..d9a17d0 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -82,8 +82,8 @@
 	struct buffer_head ** s_group_desc;
 	unsigned long  s_mount_opt;
 	unsigned long s_sb_block;
-	uid_t s_resuid;
-	gid_t s_resgid;
+	kuid_t s_resuid;
+	kgid_t s_resgid;
 	unsigned short s_mount_state;
 	unsigned short s_pad;
 	int s_addr_per_block_bits;
@@ -637,8 +637,8 @@
  */
 struct ext2_mount_options {
 	unsigned long s_mount_opt;
-	uid_t s_resuid;
-	gid_t s_resgid;
+	kuid_t s_resuid;
+	kgid_t s_resgid;
 };
 
 /*