diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a29730c44850..44a43851404a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4527,6 +4527,7 @@ again:
 	if (wait_for_alloc) {
 		mutex_unlock(&fs_info->chunk_mutex);
 		wait_for_alloc = 0;
+		cond_resched();
 		goto again;
 	}