crimson/os: return an errorator::future in an erroratorized chain

errorator does not convert a "void" continuation to a ready future at
the time of writing.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/crimson/os/seastore/transaction_manager.cc b/src/crimson/os/seastore/transaction_manager.cc
index 35d686c0a3378bcc4972b23c4a58f541b7368f3d..9592ba854acfb30fe0916550dcc71267aef30dfc 100644 (file)
--- a/src/crimson/os/seastore/transaction_manager.cc
+++ b/src/crimson/os/seastore/transaction_manager.cc
@@ -181,6 +181,7 @@ TransactionManager::refs_ret TransactionManager::dec_ref(
         [this, &t, &refcnt] (auto &laddr) {
         return dec_ref(t, laddr).safe_then([&refcnt] (auto ref) {
           refcnt.push_back(ref);
+          return ref_ertr::now();
         });
       }).safe_then([&refcnt] {
         return ref_ertr::make_ready_future<std::vector<unsigned>>(std::move(refcnt));