Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 block/blkverify.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/block/blkverify.c b/block/blkverify.c
index 89bf4386e3..bb52596cbb 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -141,8 +141,14 @@ static int blkverify_open(BlockDriverState *bs, QDict *options, int flags,
         goto fail;
     }
 
-    bs->supported_write_flags = BDRV_REQ_WRITE_UNCHANGED;
-    bs->supported_zero_flags = BDRV_REQ_WRITE_UNCHANGED;
+    bs->supported_write_flags = BDRV_REQ_WRITE_UNCHANGED |
+        (BDRV_REQ_FUA &
+         bs->file->bs->supported_write_flags &
+         s->test_file->bs->supported_write_flags);
+    bs->supported_zero_flags = BDRV_REQ_WRITE_UNCHANGED |
+        ((BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP) &
+         bs->file->bs->supported_zero_flags &
+         s->test_file->bs->supported_zero_flags);
 
     ret = 0;
 fail:
-- 
2.17.1