From: Jason Dillaman <dillaman@redhat.com>
Date: Wed, 24 Apr 2019 15:37:41 +0000 (-0400)
Subject: librbd: copyup read stats were incorrectly tied to child
X-Git-Tag: v15.1.0~2809^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F27757%2Fhead;p=ceph.git

librbd: copyup read stats were incorrectly tied to child

The parent IO stats should be updated when reading from the parent
image for a copyup.

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
---

diff --git a/src/librbd/io/CopyupRequest.cc b/src/librbd/io/CopyupRequest.cc
index 2299d3bf3419..9344e5891a3c 100644
--- a/src/librbd/io/CopyupRequest.cc
+++ b/src/librbd/io/CopyupRequest.cc
@@ -163,7 +163,7 @@ void CopyupRequest<I>::read_from_parent() {
   auto comp = AioCompletion::create_and_start<
     CopyupRequest<I>,
     &CopyupRequest<I>::handle_read_from_parent>(
-      this, util::get_image_ctx(m_image_ctx), AIO_TYPE_READ);
+      this, util::get_image_ctx(m_image_ctx->parent), AIO_TYPE_READ);
 
   ldout(cct, 20) << "oid=" << m_oid << ", "
                  << "completion=" << comp << ", "