mount -t xfs -o loop $LOOP_DEV $LOOP_MNT
echo "*** preallocate large file"
- xfs_io -f -c "resvsp 0 $fsize" $LOOP_MNT/foo | _filter_io
+ $XFS_IO_PROG -f -c "resvsp 0 $fsize" $LOOP_MNT/foo | _filter_io
echo "*** unmount loop filesystem"
umount $LOOP_MNT > /dev/null 2>&1