iscsi: do not assume device is zero initialized

Without any complex checks we can't assume that an
iscsi target is initialized to zero.

Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Lieven 2012-11-17 16:20:28 +01:00 committed by Paolo Bonzini
parent e829b0bb05
commit f807ecd574

View file

@ -951,6 +951,11 @@ static void iscsi_close(BlockDriverState *bs)
memset(iscsilun, 0, sizeof(IscsiLun));
}
static int iscsi_has_zero_init(BlockDriverState *bs)
{
return 0;
}
static BlockDriver bdrv_iscsi = {
.format_name = "iscsi",
.protocol_name = "iscsi",
@ -966,6 +971,7 @@ static BlockDriver bdrv_iscsi = {
.bdrv_aio_flush = iscsi_aio_flush,
.bdrv_aio_discard = iscsi_aio_discard,
.bdrv_has_zero_init = iscsi_has_zero_init,
#ifdef __linux__
.bdrv_ioctl = iscsi_ioctl,