2 files changed, 22 insertions, 3 deletions
diff --git a/ext/fs/30_fs.js b/ext/fs/30_fs.js
index 277a1c73c..3c888f1f1 100644
--- a/ext/fs/30_fs.js
+++ b/ext/fs/30_fs.js
@@ -1,6 +1,6 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 
-import { core, primordials } from "ext:core/mod.js";
+import { core, internals, primordials } from "ext:core/mod.js";
 const {
   isDate,
 } = core;
@@ -558,10 +558,20 @@ async function symlink(
 }
 
 function fdatasyncSync(rid) {
+  internals.warnOnDeprecatedApi(
+    "Deno.fdatasyncSync()",
+    new Error().stack,
+    "Use `file.dataSyncSync()` instead.",
+  );
   op_fs_fdatasync_sync(rid);
 }
 
 async function fdatasync(rid) {
+  internals.warnOnDeprecatedApi(
+    "Deno.fdatasync()",
+    new Error().stack,
+    "Use `await file.dataSync()` instead.",
+  );
   await op_fs_fdatasync_async(rid);
 }
 
@@ -703,6 +713,14 @@ class FsFile {
     return fstatSync(this.rid);
   }
 
+  async dataSync() {
+    await op_fs_fdatasync_async(this.rid);
+  }
+
+  dataSyncSync() {
+    op_fs_fdatasync_sync(this.rid);
+  }
+
   close() {
     core.close(this.rid);
   }
diff --git a/ext/node/polyfills/_fs/_fs_fdatasync.ts b/ext/node/polyfills/_fs/_fs_fdatasync.ts
index f6ed4a39b..482b4378c 100644
--- a/ext/node/polyfills/_fs/_fs_fdatasync.ts
+++ b/ext/node/polyfills/_fs/_fs_fdatasync.ts
@@ -4,14 +4,15 @@
 // deno-lint-ignore-file prefer-primordials
 
 import { CallbackWithError } from "ext:deno_node/_fs/_fs_common.ts";
+import { FsFile } from "ext:deno_fs/30_fs.js";
 
 export function fdatasync(
   fd: number,
   callback: CallbackWithError,
 ) {
-  Deno.fdatasync(fd).then(() => callback(null), callback);
+  new FsFile(fd).dataSync().then(() => callback(null), callback);
 }
 
 export function fdatasyncSync(fd: number) {
-  Deno.fdatasyncSync(fd);
+  new FsFile(fd).dataSyncSync();
 }