Make the version-4 ioctl interface the default kernel configuration option. --- a/drivers/md/Kconfig 2003-09-23 10:50:15.000000000 -0500 +++ b/drivers/md/Kconfig 2003-09-23 10:50:05.000000000 -0500 @@ -138,6 +138,7 @@ config DM_IOCTL_V4 bool "ioctl interface version 4" depends on BLK_DEV_DM + default y ---help--- Recent tools use a new version of the ioctl interface, only select this option if you intend using such tools.