1 files changed, 47 insertions, 0 deletions
diff --git a/src/pmdk/src/common/util_pmem.h b/src/pmdk/src/common/util_pmem.h
new file mode 100644
index 000000000..a31b6b8f7
--- /dev/null
+++ b/src/pmdk/src/common/util_pmem.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* Copyright 2017-2020, Intel Corporation */
+
+/*
+ * util_pmem.h -- internal definitions for pmem utils
+ */
+
+#ifndef PMDK_UTIL_PMEM_H
+#define PMDK_UTIL_PMEM_H 1
+
+#include "libpmem.h"
+#include "out.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * util_persist -- flush to persistence
+ */
+static inline void
+util_persist(int is_pmem, const void *addr, size_t len)
+{
+	LOG(3, "is_pmem %d, addr %p, len %zu", is_pmem, addr, len);
+
+	if (is_pmem)
+		pmem_persist(addr, len);
+	else if (pmem_msync(addr, len))
+		FATAL("!pmem_msync");
+}
+
+/*
+ * util_persist_auto -- flush to persistence
+ */
+static inline void
+util_persist_auto(int is_pmem, const void *addr, size_t len)
+{
+	LOG(3, "is_pmem %d, addr %p, len %zu", is_pmem, addr, len);
+
+	util_persist(is_pmem || pmem_is_pmem(addr, len), addr, len);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* util_pmem.h */