diff --git a/src/java.base/share/classes/java/io/FileDescriptor.java b/src/java.base/share/classes/java/io/FileDescriptor.java
index 6723877937c..c7e638a1675 100644
--- a/src/java.base/share/classes/java/io/FileDescriptor.java
+++ b/src/java.base/share/classes/java/io/FileDescriptor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@ import java.util.Objects;
 
 import jdk.internal.access.JavaIOFileDescriptorAccess;
 import jdk.internal.access.SharedSecrets;
+import jdk.internal.misc.Blocker;
 import jdk.internal.ref.PhantomCleanable;
 
 /**
@@ -205,7 +206,17 @@ public final class FileDescriptor {
      *        buffers have been synchronized with physical media.
      * @since     1.1
      */
-    public native void sync() throws SyncFailedException;
+    public void sync() throws SyncFailedException {
+        long comp = Blocker.begin();
+        try {
+            sync0();
+        } finally {
+            Blocker.end(comp);
+        }
+    }
+
+    /* fsync/equivalent this file descriptor */
+    private native void sync0() throws SyncFailedException;
 
     /* This routine initializes JNI field offsets for the class */
     private static native void initIDs();
diff --git a/src/java.base/unix/native/libjava/FileDescriptor_md.c b/src/java.base/unix/native/libjava/FileDescriptor_md.c
index 54268f10a91..095249bbcf2 100644
--- a/src/java.base/unix/native/libjava/FileDescriptor_md.c
+++ b/src/java.base/unix/native/libjava/FileDescriptor_md.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -58,7 +58,7 @@ Java_java_io_FileDescriptor_initIDs(JNIEnv *env, jclass fdClass) {
  */
 
 JNIEXPORT void JNICALL
-Java_java_io_FileDescriptor_sync(JNIEnv *env, jobject this) {
+Java_java_io_FileDescriptor_sync0(JNIEnv *env, jobject this) {
     FD fd = THIS_FD(this);
     if (IO_Sync(fd) == -1) {
         JNU_ThrowByName(env, "java/io/SyncFailedException", "sync failed");
diff --git a/src/java.base/windows/native/libjava/FileDescriptor_md.c b/src/java.base/windows/native/libjava/FileDescriptor_md.c
index cae8e395ff0..f0a20cf0553 100644
--- a/src/java.base/windows/native/libjava/FileDescriptor_md.c
+++ b/src/java.base/windows/native/libjava/FileDescriptor_md.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -61,7 +61,7 @@ Java_java_io_FileDescriptor_initIDs(JNIEnv *env, jclass fdClass) {
  */
 
 JNIEXPORT void JNICALL
-Java_java_io_FileDescriptor_sync(JNIEnv *env, jobject this) {
+Java_java_io_FileDescriptor_sync0(JNIEnv *env, jobject this) {
     FD fd = THIS_FD(this);
     if (IO_Sync(fd) == -1) {
         JNU_ThrowByName(env, "java/io/SyncFailedException", "sync failed");