From: Kefu Chai <kchai@redhat.com>
Date: Sat, 19 Jun 2021 11:13:17 +0000 (+0800)
Subject: crimson/common: specialize errorator<> for future<>
X-Git-Tag: v17.1.0~1595^2
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F41941%2Fhead;p=ceph.git

crimson/common: specialize errorator<> for future<>

otherwise it always needs a return value.

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

diff --git a/src/crimson/common/errorator.h b/src/crimson/common/errorator.h
index 258124b509455..4a0f56a87d9bf 100644
--- a/src/crimson/common/errorator.h
+++ b/src/crimson/common/errorator.h
@@ -1065,8 +1065,8 @@ private:
 template <>
 class errorator<> {
 public:
-  template <class ValueT>
-  using future = ::seastar::future<ValueT>;
+  template <class ValueT=void>
+  using future = ::seastar::futurize_t<ValueT>;
 
   template <class T>
   using futurize = ::seastar::futurize<T>;