From 52c8d629cac27ad16dd51507b4733d46fa4efc55 Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Fri, 11 Oct 2013 15:43:23 +0800 Subject: vmdk: refuse enabling zeroed grain with flat images This is a header flag and we needs sparse for the header. Signed-off-by: Fam Zheng Signed-off-by: Kevin Wolf --- block/vmdk.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'block') diff --git a/block/vmdk.c b/block/vmdk.c index a1aaea77e9..709aa3deb0 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -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); -- cgit v1.2.3