From 57f7e07c13a1a692602022af4fc32c6ac352bb72 Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Fri, 22 Apr 2022 16:19:08 +0530
Subject: Reland "perf(http): optimize ReadableStreams backed by a resource"
 (#14346)

---
 ext/fetch/lib.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'ext/fetch')

diff --git a/ext/fetch/lib.rs b/ext/fetch/lib.rs
index c216d53fa..def823d8f 100644
--- a/ext/fetch/lib.rs
+++ b/ext/fetch/lib.rs
@@ -485,12 +485,15 @@ impl Resource for FetchResponseBodyResource {
     "fetchResponseBody".into()
   }
 
-  fn read(self: Rc<Self>, mut buf: ZeroCopyBuf) -> AsyncResult<usize> {
+  fn read_return(
+    self: Rc<Self>,
+    mut buf: ZeroCopyBuf,
+  ) -> AsyncResult<(usize, ZeroCopyBuf)> {
     Box::pin(async move {
       let mut reader = RcRef::map(&self, |r| &r.reader).borrow_mut().await;
       let cancel = RcRef::map(self, |r| &r.cancel);
       let read = reader.read(&mut buf).try_or_cancel(cancel).await?;
-      Ok(read)
+      Ok((read, buf))
     })
   }
 
-- 
cgit v1.2.3