1 files changed, 2 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index a1c17b9..cd94559 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -57,6 +57,8 @@
 #define BLOCK_OPT_REDUNDANCY        "redundancy"
 #define BLOCK_OPT_NOCOW             "nocow"
 
+#define BLOCK_PROBE_BUF_SIZE        512
+
 typedef struct BdrvTrackedRequest {
     BlockDriverState *bs;
     int64_t offset;