-#ifdef __KERNEL__
-# ifndef AUTOCONF_INCLUDED
-# include <linux/config.h>
-# endif
-# ifdef CONFIG_FS_POSIX_ACL
-# include <linux/fs.h>
-# ifdef HAVE_XATTR_ACL
-# include <linux/xattr_acl.h>
-# else
-# define xattr_acl_entry posix_acl_xattr_entry
-# define xattr_acl_header posix_acl_xattr_header
-# endif
-# ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
-# include <linux/posix_acl_xattr.h>
-# endif
-# endif
-#endif
+#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
+# include <linux/fs.h>
+# include <linux/posix_acl_xattr.h>
+#endif /* CONFIG_LUSTRE_FS_POSIX_ACL */