chore: cleanup unused

pageserver/src/tenant/tasks.rs

@@ -54,23 +54,6 @@ impl BackgroundLoopKind {
     }
 }
 
-pub(crate) enum RateLimitError {
-    Cancelled,
-}
-
-pub(crate) async fn concurrent_background_tasks_rate_limit(
-    loop_kind: BackgroundLoopKind,
-    _ctx: &RequestContext,
-    cancel: &CancellationToken,
-) -> Result<impl Drop, RateLimitError> {
-    tokio::select! {
-        permit = concurrent_background_tasks_rate_limit_permit(loop_kind, _ctx) => Ok(permit),
-        _ = cancel.cancelled() => {
-            Err(RateLimitError::Cancelled)
-        }
-    }
-}
-
 pub(crate) async fn concurrent_background_tasks_rate_limit_permit(
     loop_kind: BackgroundLoopKind,
     _ctx: &RequestContext,

pageserver/src/tenant/timeline.rs

@@ -51,7 +51,7 @@ use crate::tenant::storage_layer::{
     LayerAccessStatsReset, LayerFileName, ResidentLayer, ValueReconstructResult,
     ValueReconstructState,
 };
-use crate::tenant::tasks::{BackgroundLoopKind, RateLimitError};
+use crate::tenant::tasks::BackgroundLoopKind;
 use crate::tenant::timeline::logical_size::CurrentLogicalSize;
 use crate::tenant::{
     layer_map::{LayerMap, SearchResult},

pageserver/src/tenant/timeline/eviction_task.rs

@@ -30,7 +30,7 @@ use crate::{
     task_mgr::{self, TaskKind, BACKGROUND_RUNTIME},
     tenant::{
         config::{EvictionPolicy, EvictionPolicyLayerAccessThreshold},
-        tasks::{BackgroundLoopKind, RateLimitError},
+        tasks::BackgroundLoopKind,
         timeline::EvictionError,
         LogicalSizeCalculationCause, Tenant,
     },