+# require a scratch dev of a minimum size (in kb)
+_require_scratch_size()
+{
+ [ $# -eq 1 ] || _fail "_require_scratch_size: expected size param"
+
+ _require_scratch
+ local devsize=`_get_device_size $SCRATCH_DEV`
+ [ $devsize -lt $1 ] && _notrun "scratch dev too small"
+}
+