From: Ilya Dryomov <idryomov@gmail.com>
Date: Mon, 29 Jul 2024 09:01:17 +0000 (+0200)
Subject: librbd: don't make an extra copy of image_extents in C_ImageReadRequest ctor
X-Git-Tag: v20.0.0~1310^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=b20a897061feabc4e22c339c4e7a8aa5155151e8;p=ceph.git

librbd: don't make an extra copy of image_extents in C_ImageReadRequest ctor

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---

diff --git a/src/librbd/io/ReadResult.cc b/src/librbd/io/ReadResult.cc
index c4053fee6b3e..375c34277b00 100644
--- a/src/librbd/io/ReadResult.cc
+++ b/src/librbd/io/ReadResult.cc
@@ -143,7 +143,7 @@ struct ReadResult::AssembleResultVisitor : public boost::static_visitor<void> {
 
 ReadResult::C_ImageReadRequest::C_ImageReadRequest(
     AioCompletion *aio_completion, uint64_t buffer_offset,
-    const Extents image_extents)
+    const Extents& image_extents)
   : aio_completion(aio_completion), buffer_offset(buffer_offset),
     image_extents(image_extents) {
   aio_completion->add_request();
diff --git a/src/librbd/io/ReadResult.h b/src/librbd/io/ReadResult.h
index 12a1e78cc635..11b8c9b72cb0 100644
--- a/src/librbd/io/ReadResult.h
+++ b/src/librbd/io/ReadResult.h
@@ -34,7 +34,7 @@ public:
 
     C_ImageReadRequest(AioCompletion *aio_completion,
                        uint64_t buffer_offset,
-                       const Extents image_extents);
+                       const Extents& image_extents);
 
     void finish(int r) override;
   };