fix: not that, but maybe this

pageserver/src/tenant/storage_layer/layer.rs

@@ -312,7 +312,9 @@ impl Layer {
             .get_or_maybe_download(true, Some(ctx))
             .await
             .map_err(|err| match err {
-                DownloadError::DownloadCancelled => GetVectoredError::Cancelled,
+                DownloadError::TimelineShutdown | DownloadError::DownloadCancelled => {
+                    GetVectoredError::Cancelled
+                }
                 other => GetVectoredError::Other(anyhow::anyhow!(other)),
             })?;
 

pageserver/src/tenant/timeline.rs

@@ -742,11 +742,7 @@ pub(crate) enum WaitLsnError {
 impl From<CreateImageLayersError> for CompactionError {
     fn from(e: CreateImageLayersError) -> Self {
         match e {
-            CreateImageLayersError::Cancelled
-            | CreateImageLayersError::GetVectoredError(GetVectoredError::Cancelled)
-            | CreateImageLayersError::PageReconstructError(PageReconstructError::Cancelled) => {
-                CompactionError::ShuttingDown
-            }
+            CreateImageLayersError::Cancelled => CompactionError::ShuttingDown,
             CreateImageLayersError::Other(e) => {
                 CompactionError::Other(e.context("create image layers"))
             }