From: Mykola Golub <mgolub@mirantis.com>
Date: Sun, 29 Jan 2017 21:07:53 +0000 (+0100)
Subject: librbd: add create_async_context_callback helper
X-Git-Tag: v12.0.0~38^2~9
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f89857967ec45e115d8ecaec829425ed5d9a70b9;p=ceph.git

librbd: add create_async_context_callback helper

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

diff --git a/src/librbd/Utils.h b/src/librbd/Utils.h
index d03da840726..c7cf89e9734 100644
--- a/src/librbd/Utils.h
+++ b/src/librbd/Utils.h
@@ -156,6 +156,12 @@ Context *create_async_context_callback(I &image_ctx, Context *on_finish) {
       image_ctx.op_work_queue, on_finish);
 }
 
+template <typename WQ>
+Context *create_async_context_callback(WQ *work_queue, Context *on_finish) {
+  // use async callback to acquire a clean lock context
+  return new detail::C_AsyncCallback<WQ>(work_queue, on_finish);
+}
+
 // TODO: temporary until AioCompletion supports templated ImageCtx
 inline ImageCtx *get_image_ctx(ImageCtx *image_ctx) {
   return image_ctx;