block: add I/O throttling algorithm

Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/block.h b/block.h
index 2d244088c3..83e17cad96 100644
--- a/block.h
+++ b/block.h
@@ -100,6 +100,7 @@ void bdrv_info_stats(Monitor *mon, QObject **ret_data);
 
 /* disk I/O throttling */
 void bdrv_io_limits_enable(BlockDriverState *bs);
+void bdrv_io_limits_disable(BlockDriverState *bs);
 bool bdrv_io_limits_enabled(BlockDriverState *bs);
 
 void bdrv_init(void);