Revert "SERVER-30818 Wait for all background index builds to complete before starting rollback to checkpoint"

This reverts commit 18eb990734653fc80f7d8c2916033e61ea7320e5.

1 files changed, 0 insertions, 15 deletions

diff --git a/src/mongo/db/repl/rollback_impl.h b/src/mongo/db/repl/rollback_impl.h
index c88899e70b0..b8a6b5b04cf 100644
--- a/src/mongo/db/repl/rollback_impl.h
+++ b/src/mongo/db/repl/rollback_impl.h
@@ -100,11 +100,6 @@ public:
         virtual void onTransitionToRollback() noexcept {}
 
         /**
-         * Function called after all background index builds have completed.
-         */
-        virtual void onBgIndexesComplete() noexcept {}
-
-        /**
          * Function called after we find the common point.
          */
         virtual void onCommonPointFound(Timestamp commonPoint) noexcept {}
@@ -174,16 +169,6 @@ private:
     Status _transitionToRollback(OperationContext* opCtx);
 
     /**
-     * Waits for any in-progress background index builds to complete. We do this before beginning
-     * the rollback process to prevent any issues surrounding index builds pausing/resuming around a
-     * call to 'recoverToStableTimestamp'. It's not clear that an index build, resumed in this way,
-     * that continues until completion, would be consistent with the collection data. Waiting for
-     * all background index builds to complete is a conservative approach, to avoid any of these
-     * potential issues.
-     */
-    Status _awaitBgIndexCompletion(OperationContext* opCtx);
-
-    /**
      * Recovers to the stable timestamp while holding the global exclusive lock.
      */
     Status _recoverToStableTimestamp(OperationContext* opCtx);