1 files changed, 3 insertions, 1 deletions
diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h
index 4652b70b5d..6ef3fa57cf 100644
--- a/include/hw/virtio/virtio-blk.h
+++ b/include/hw/virtio/virtio-blk.h
@@ -134,8 +134,10 @@ typedef struct VirtIOBlock {
     struct VirtIOBlockDataPlane *dataplane;
 } VirtIOBlock;
 
+#define VIRTIO_BLK_MAX_MERGE_REQS 32
+
 typedef struct MultiReqBuffer {
-    BlockRequest        blkreq[32];
+    BlockRequest        blkreq[VIRTIO_BLK_MAX_MERGE_REQS];
     unsigned int        num_writes;
 } MultiReqBuffer;