From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/tools/immutable_object_cache/Utils.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/tools/immutable_object_cache/Utils.h

(limited to 'src/tools/immutable_object_cache/Utils.h')

diff --git a/src/tools/immutable_object_cache/Utils.h b/src/tools/immutable_object_cache/Utils.h
new file mode 100644
index 000000000..3c68cfa7b
--- /dev/null
+++ b/src/tools/immutable_object_cache/Utils.h
@@ -0,0 +1,31 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_CACHE_UTILS_H
+#define CEPH_CACHE_UTILS_H
+
+#include "include/rados/librados.hpp"
+#include "include/Context.h"
+
+namespace ceph {
+namespace immutable_obj_cache {
+namespace detail {
+
+template <typename T, void(T::*MF)(int)>
+void rados_callback(rados_completion_t c, void *arg) {
+  T *obj = reinterpret_cast<T*>(arg);
+  int r = rados_aio_get_return_value(c);
+  (obj->*MF)(r);
+}
+
+}  // namespace detail
+
+template <typename T, void(T::*MF)(int)=&T::complete>
+librados::AioCompletion *create_rados_callback(T *obj) {
+  return librados::Rados::aio_create_completion(
+    obj, &detail::rados_callback<T, MF>);
+}
+
+}  // namespace immutable_obj_cache
+}  // namespace ceph
+#endif  // CEPH_CACHE_UTILS_H
-- 
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