userns: Convert logfs to use kuid/kgid where appropriate

Cc: Joern Engel <joern@logfs.org>
Cc: Prasad Joshi <prasadjoshi.linux@gmail.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c
index a422f42..43f61c2 100644
--- a/fs/logfs/inode.c
+++ b/fs/logfs/inode.c
@@ -192,8 +192,8 @@
 	li->li_height	= 0;
 	li->li_used_bytes = 0;
 	li->li_block	= NULL;
-	inode->i_uid	= 0;
-	inode->i_gid	= 0;
+	i_uid_write(inode, 0);
+	i_gid_write(inode, 0);
 	inode->i_size	= 0;
 	inode->i_blocks	= 0;
 	inode->i_ctime	= CURRENT_TIME;