block: mark blk_drain() as GRAPH_UNLOCKED

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

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20250530151125.955508-39-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 1a134083b7a561373f794bca244d4429ee04d34f..f6ec1174e6314bf896132e29ea43a9a60cc28018 100644 (file)
--- 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);