_require_cp_reflink
_require_fiemap
_require_xfs_io_command "cowextsize"
+_require_xfs_io_command "funshare"
rm -f $seqres.full
cat $testdir/file2 > /dev/null
$XFS_IO_PROG -f -c "pwrite -R -S 0x63 -b $real_blksz 0 $filesize" -c "fdatasync" $testdir/file2 >> $seqres.full
$XFS_IO_PROG -f -c "fadvise -d 0 $filesize" -c "fsync" $testdir/file2 >> $seqres.full
-$XFS_IO_PROG -f -c "falloc 0 $filesize" $testdir/file2 >> $seqres.full
+$XFS_IO_PROG -f -c "funshare 0 $filesize" $testdir/file2 >> $seqres.full
_scratch_cycle_mount
echo "Compare files"