Make flushing the cache race safe (#6828)
Make flushing the cache race safe (#6828)

* Make flushing the cache race safe

* Remove noop aborts

joelthompson/vault,quixoten/vault,joelthompson/vault,hashicorp/vault,rnaveiras/vault,joelthompson/vault,quixoten/vault,hartsock/vault,rnaveiras/vault,kingland/vault,hashicorp/vault,kingland/vault,rnaveiras/vault,hashicorp/vault,hartsock/vault,kingland/vault,quixoten/vault,hashicorp/vault,kingland/vault,hashicorp/vault,rnaveiras/vault,hashicorp/vault,joelthompson/vault,hartsock/vault,kingland/vault,hartsock/vault,quixoten/vault,rnaveiras/vault,hartsock/vault