[Qemu-devel] [PATCH v2 03/15] blkdebug: support BDRV_REQ_ALLOCATE

[Anton Nefedov]

Support the flag if the underlying BDS supports it

Signed-off-by: Anton Nefedov <address@hidden>
---
 block/blkdebug.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/block/blkdebug.c b/block/blkdebug.c
index a5196e8..8b1401b 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -415,7 +415,8 @@ static int blkdebug_open(BlockDriverState *bs, QDict 
*options, int flags,
 
     bs->supported_write_flags = BDRV_REQ_FUA &
         bs->file->bs->supported_write_flags;
-    bs->supported_zero_flags = (BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP) &
+    bs->supported_zero_flags =
+        (BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP | BDRV_REQ_ALLOCATE) &
         bs->file->bs->supported_zero_flags;
     ret = -EINVAL;
 
-- 
2.7.4