Stop paginating on TimelineStartReached

src/buffers/room.rs

@@ -205,10 +205,11 @@ impl SingleClientRoomBuffer {
     let room_id = self.room_id.clone();
     let timeline = self.timeline.clone();
     let mut back_pagination_status = timeline.back_pagination_status();
-    if back_pagination_status.get() == BackPaginationStatus::Paginating {
+    match back_pagination_status.get() {
+      BackPaginationStatus::Paginating | BackPaginationStatus::TimelineStartReached => {
         // We are already waiting for a backfill from the server
-      return;
-    }
+      },
+      BackPaginationStatus::Idle => {
         tokio::spawn(async move {
           tracing::info!("Starting pagination for {}", room_id);
           timeline
@@ -223,6 +224,8 @@ impl SingleClientRoomBuffer {
         // Wait for the task we just spawned to change the status, so we don't risk starting
         // a new one in the meantime
         back_pagination_status.next().await;
+      },
+    }
   }
 }