fix: macOS build (#6065)

Author: vyavdoshenko

src/server/CMakeLists.txt

@@ -26,7 +26,7 @@ set_property(SOURCE dfly_main.cc APPEND PROPERTY COMPILE_DEFINITIONS
 
 if (WITH_TIERING)
     SET(TX_LINUX_SRCS tiering/disk_storage.cc tiering/op_manager.cc
-      tiering/small_bins.cc tiering/external_alloc.cc tiering/serialized_map.cc tiering/decoders.cc)
+      tiering/small_bins.cc tiering/external_alloc.cc)
 
     add_executable(dfly_bench dfly_bench.cc)
     cxx_link(dfly_bench dfly_parser_lib fibers2 absl::random_random redis_lib)
@@ -63,6 +63,7 @@ add_library(dfly_transaction db_slice.cc blocking_controller.cc
             common.cc journal/journal.cc journal/types.cc journal/journal_slice.cc
             server_state.cc table.cc  transaction.cc tx_base.cc
             serializer_commons.cc journal/serializer.cc journal/executor.cc journal/streamer.cc
+            tiering/serialized_map.cc tiering/decoders.cc
             ${TX_LINUX_SRCS} acl/acl_log.cc slowlog.cc channel_store.cc)
 
 

src/server/tiered_storage.h

@@ -188,6 +188,10 @@ class TieredStorage {
             std::function<void(io::Result<std::string>)> readf) {
   }
 
+  template <typename D, typename F>
+  void Read(DbIndex dbid, std::string_view key, const PrimeValue& value, const D& decoder, F&& f) {
+  }
+
   template <typename T>
   TResult<T> Modify(DbIndex dbid, std::string_view key, const PrimeValue& value,
                     std::function<T(std::string*)> modf) {