mirror: allow customizing the granularity

[qemu.git] / include / block / block_int.h

diff --git a/include/block/block_int.h b/include/block/block_int.h
index b81c061cd9626246b0d0c4ff9159cfd800642bd0..1165339fd1c0feb405837cce5c49ddf204504966 100644 (file)
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -344,6 +344,7 @@ void commit_start(BlockDriverState *bs, BlockDriverState *base,
  * @bs: Block device to operate on.
  * @target: Block device to write to.
  * @speed: The maximum speed, in bytes per second, or 0 for unlimited.
+ * @granularity: The chosen granularity for the dirty bitmap.
  * @mode: Whether to collapse all images in the chain to the target.
  * @on_source_error: The action to take upon error reading from the source.
  * @on_target_error: The action to take upon error writing to the target.
@@ -357,7 +358,7 @@ void commit_start(BlockDriverState *bs, BlockDriverState *base,
  * @bs will be switched to read from @target.
  */
 void mirror_start(BlockDriverState *bs, BlockDriverState *target,
-                  int64_t speed, MirrorSyncMode mode,
+                  int64_t speed, int64_t granularity, MirrorSyncMode mode,
                   BlockdevOnError on_source_error,
                   BlockdevOnError on_target_error,
                   BlockDriverCompletionFunc *cb,