[Qemu-devel] [PATCHv2 10/20] iscsi: set limits in BlockDriverState

[Peter Lieven]

Signed-off-by: Peter Lieven <p...@kamp.de>
---
 block/iscsi.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/block/iscsi.c b/block/iscsi.c
index aabcddb..21b1ecf 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1362,6 +1362,16 @@ static int iscsi_open(BlockDriverState *bs, QDict 
*options, int flags)
                sizeof(struct scsi_inquiry_block_limits));
         scsi_free_scsi_task(task);
         task = NULL;
+        
+        if (iscsilun->bl.max_unmap < 0xffffffff) {
+            bs->max_discard = sector_lun2qemu(iscsilun->bl.max_unmap, 
iscsilun);
+        }
+        bs->discard_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran, 
iscsilun);
+        
+        if (iscsilun->bl.max_ws_len < 0xffffffff) {
+            bs->max_write_zeroes = sector_lun2qemu(iscsilun->bl.max_ws_len, 
iscsilun);
+        }
+        bs->write_zeroes_alignment = 
sector_lun2qemu(iscsilun->bl.opt_unmap_gran, iscsilun);
     }
 
 #if defined(LIBISCSI_FEATURE_NOP_COUNTER)
-- 
1.7.9.5