block-backend: mark blk_drain_all() as GRAPH_UNLOCKED

The function blk_drain_all() calls bdrv_drain_all_begin(), which must
be called with the graph unlocked.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20250530151125.955508-32-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/include/system/block-backend-global-state.h b/include/system/block-backend-global-state.h
index 35b5e8380b932b16e8590f768400dbfbe34b680b..a62dbdf0dc79695fd01f46414defe10df8e7336e 100644 (file)
--- a/include/system/block-backend-global-state.h
+++ b/include/system/block-backend-global-state.h
@@ -79,7 +79,7 @@ void blk_aio_cancel(BlockAIOCB *acb);
 int blk_commit_all(void);
 bool blk_in_drain(BlockBackend *blk);
 void blk_drain(BlockBackend *blk);
-void blk_drain_all(void);
+void GRAPH_UNLOCKED blk_drain_all(void);
 void blk_set_on_error(BlockBackend *blk, BlockdevOnError on_read_error,
                       BlockdevOnError on_write_error);
 bool blk_supports_write_perm(BlockBackend *blk);