AC_CHECK_LINUX_STRUCT([filename], [name], [fs.h])
AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
+ AC_CHECK_LINUX_STRUCT([key_type], [instantiate_prep], [key-type.h])
AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
{
.name = "afs_pag",
.describe = afs_pag_describe,
+#if defined(STRUCT_KEY_TYPE_HAS_INSTANTIATE_PREP)
+ .instantiate_prep = afs_pag_instantiate,
+ .instantiate = NULL,
+#else
.instantiate = afs_pag_instantiate,
+#endif
.match = afs_pag_match,
.destroy = afs_pag_destroy,
};