On Fri, Apr 19, 2013 at 11:48:45AM +0800, Fam Zheng wrote: > From: Feiran Zheng <feiran.zh...@emc.com> > > Use special offset to write zeroes efficiently, when zeroed-grain GTE is > available. If zero-write an allocated cluster, cluster is leaked because > its offset pointer is overwritten by "0x1". > > Signed-off-by: Fam Zheng <f...@redhat.com> > --- > block/vmdk.c | 63 > +++++++++++++++++++++++++++++++++++++++++++++++------------- > 1 file changed, 50 insertions(+), 13 deletions(-)
Do existing qemu-iotests zero write tests cases cover this? Do you need to add vmdk to their list of supported formats? Stefan