@@ -1664,6 +1664,10 @@ static int vmdk_create(const char *filename, QEMUOptionParameter *options,
error_setg(errp, "Flat image can't have backing file");
return -ENOTSUP;
}
+ if (flat && zeroed_grain) {
+ error_setg(errp, "Flat image can't enable zeroed grain");
+ return -ENOTSUP;
+ }
if (backing_file) {
BlockDriverState *bs = bdrv_new("");
ret = bdrv_open(bs, backing_file, NULL, 0, NULL, errp);
@@ -71,6 +71,10 @@ echo
IMGOPTS="subformat=monolithicFlat" _make_test_img 2G
$QEMU_IMG info $TEST_IMG | _filter_testdir
+echo
+echo "=== Testing monolithicFlat with zeroed_grain ==="
+IMGOPTS="subformat=monolithicFlat,zeroed_grain=on" _make_test_img 2G
+
# success, all done
echo "*** done"
rm -f $seq.full
@@ -22,4 +22,8 @@ image: TEST_DIR/t.vmdk
file format: vmdk
virtual size: 2.0G (2147483648 bytes)
disk size: 4.0K
+
+=== Testing monolithicFlat with zeroed_grain ===
+qemu-img: TEST_DIR/t.IMGFMT: Flat image can't enable zeroed grain
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2147483648
*** done
This is a header flag and we needs sparse for the header. Signed-off-by: Fam Zheng <famz@redhat.com> --- block/vmdk.c | 4 ++++ tests/qemu-iotests/059 | 4 ++++ tests/qemu-iotests/059.out | 4 ++++ 3 files changed, 12 insertions(+)