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vmdk: refuse enabling zeroed grain with flat images

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This is a header flag and we needs sparse for the header.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2013-10-11 15:43:23 +08:00 • committed by Kevin Wolf
parent 4823970bcb
commit 52c8d629ca
3 changed files with 12 additions and 0 deletions
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4
block/vmdk.c
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@ -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);