These two patches add the possibility for qemu-img convert to reliably skip zero blocks when writing to an iscsi target.
Peter Lieven (2): iscsi: add support for bdrv_co_is_allocated() iscsi: add intelligent has_zero_init check block/iscsi.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 81 insertions(+), 1 deletion(-) -- 1.7.9.5
