[PATCH v4 38/48] block: mark blk_drain() as GRAPH_UNLOCKED

[Fiona Ebner]

The function blk_drain() calls bdrv_drained_begin(), which must be
called with the graph unlocked.

Signed-off-by: Fiona Ebner <f.eb...@proxmox.com>
---
 include/system/block-backend-global-state.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/system/block-backend-global-state.h 
b/include/system/block-backend-global-state.h
index 1a134083b7..f6ec1174e6 100644
--- a/include/system/block-backend-global-state.h
+++ b/include/system/block-backend-global-state.h
@@ -78,7 +78,7 @@ int blk_make_zero(BlockBackend *blk, BdrvRequestFlags flags);
 void blk_aio_cancel(BlockAIOCB *acb);
 int blk_commit_all(void);
 bool blk_in_drain(BlockBackend *blk);
-void blk_drain(BlockBackend *blk);
+void GRAPH_UNLOCKED blk_drain(BlockBackend *blk);
 void GRAPH_UNLOCKED blk_drain_all(void);
 void blk_set_on_error(BlockBackend *blk, BlockdevOnError on_read_error,
                       BlockdevOnError on_write_error);
-- 
2.39.5