Non-block SCSI devices do not support flushing, but we may still send them requests via bdrv_flush_all. Just ignore them.
Reviewed-by: Peter Lieven <p...@kamp.de> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> --- block/iscsi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/block/iscsi.c b/block/iscsi.c index 2f96a8e..e68aa0f 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -417,6 +417,10 @@ static int coroutine_fn iscsi_co_flush(BlockDriverState *bs) IscsiLun *iscsilun = bs->opaque; struct IscsiTask iTask; + if (bs->sg) { + return 0; + } + iscsi_co_init_iscsitask(iscsilun, &iTask); retry: -- 1.9.0