seastar_unused.patch

diff --git a/src/core/reactor.cc b/src/core/reactor.cc
index 29090d3c..0d68e5c1 100644
--- a/src/core/reactor.cc
+++ b/src/core/reactor.cc
@@ -2851,7 +2851,7 @@ class reactor::syscall_pollfn final : public reactor::pollfn {
 void
 reactor::wakeup() {
     uint64_t one = 1;
-    ::write(_notify_eventfd.get(), &one, sizeof(one));
+    [[maybe_unused]] auto ret = ::write(_notify_eventfd.get(), &one, sizeof(one));
 }
 
 void reactor::start_aio_eventfd_loop() {
@@ -2861,7 +2861,7 @@ void reactor::start_aio_eventfd_loop() {
     future<> loop_done = repeat([this] {
         return _aio_eventfd->readable().then([this] {
             char garbage[8];
-            ::read(_aio_eventfd->get_fd(), garbage, 8); // totally uninteresting
+            [[maybe_unused]] auto ret = ::read(_aio_eventfd->get_fd(), garbage, 8); // totally uninteresting
             return _stopping ? stop_iteration::yes : stop_iteration::no;
         });
     });
@@ -2876,7 +2876,7 @@ void reactor::stop_aio_eventfd_loop() {
         return;
     }
     uint64_t one = 1;
-    ::write(_aio_eventfd->get_fd(), &one, 8);
+    [[maybe_unused]] auto ret = ::write(_aio_eventfd->get_fd(), &one, 8);
 }
 
 inline
diff --git a/src/core/thread_pool.cc b/src/core/thread_pool.cc
index 2de02fd0..a89b1384 100644
--- a/src/core/thread_pool.cc
+++ b/src/core/thread_pool.cc
@@ -56,7 +56,7 @@ void thread_pool::work(sstring name) {
             std::atomic_thread_fence(std::memory_order_seq_cst);
             if (_main_thread_idle.load(std::memory_order_relaxed)) {
                 uint64_t one = 1;
-                ::write(_reactor->_notify_eventfd.get(), &one, 8);
+                [[maybe_unused]] auto ret = ::write(_reactor->_notify_eventfd.get(), &one, 8);
             }
         }
     }