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Diffstat (limited to '')
-rw-r--r-- | src/tools/immutable_object_cache/Utils.h | 31 |
1 files changed, 31 insertions, 0 deletions
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 |