From: Mykola Golub <mgolub@suse.com>
Date: Sat, 21 Jul 2018 06:59:03 +0000 (+0300)
Subject: librbd: drop snap lock before sending copyup request
X-Git-Tag: v14.0.1~590^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=dbc32361eff9a4d0c553c16c62b77606a59b80e8;p=ceph.git

librbd: drop snap lock before sending copyup request

Signed-off-by: Mykola Golub <mgolub@suse.com>
---

diff --git a/src/librbd/io/ObjectRequest.cc b/src/librbd/io/ObjectRequest.cc
index 647282853b1a..9bb1f50e31c4 100644
--- a/src/librbd/io/ObjectRequest.cc
+++ b/src/librbd/io/ObjectRequest.cc
@@ -352,13 +352,15 @@ void ObjectReadRequest<I>::copyup() {
 
     image_ctx->copyup_list[this->m_object_no] = new_req;
     image_ctx->copyup_list_lock.Unlock();
+    image_ctx->parent_lock.put_read();
+    image_ctx->snap_lock.put_read();
     new_req->send();
   } else {
     image_ctx->copyup_list_lock.Unlock();
+    image_ctx->parent_lock.put_read();
+    image_ctx->snap_lock.put_read();
   }
 
-  image_ctx->parent_lock.put_read();
-  image_ctx->snap_lock.put_read();
   image_ctx->owner_lock.put_read();
   this->finish(0);
 }