[Qemu-devel] [PATCH] iscsi: do not assume device is zero initialized

[Peter Lieven <pl@dlhnet.de>]

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

Signed-off-by: Peter Lieven <pl@kamp.de>
---
 block/iscsi.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/block/iscsi.c b/block/iscsi.c
index eb586cb..d685f20 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -991,6 +991,11 @@ out:
     return ret;
 }
 
+static int iscsi_has_zero_init(BlockDriverState *bs)
+{
+    return 0;
+}
+
 static QEMUOptionParameter iscsi_create_options[] = {
     {
         .name = BLOCK_OPT_SIZE,
@@ -1017,6 +1022,7 @@ 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,
-- 
1.7.9.5