_require_test_program "fiemap-tester"
+# FIEMAP test doesn't like finding unwritten blocks after it punches out
+# a partial rt extent.
+test "$FSTYP" = "xfs" && \
+ _require_file_block_size_equals_fs_block_size $fiemapfile
+
seed=`date +%s`
echo "using seed $seed" >> $seqres.full