From: Casey Bodley <cbodley@redhat.com>
Date: Fri, 30 Nov 2018 19:31:54 +0000 (-0500)
Subject: rgw: RGWHTTPClient::wait() warns if it blocks in an asio thread
X-Git-Tag: v15.0.0~27^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F25355%2Fhead;p=ceph.git

rgw: RGWHTTPClient::wait() warns if it blocks in an asio thread

Signed-off-by: Casey Bodley <cbodley@redhat.com>
---

diff --git a/src/rgw/rgw_http_client.cc b/src/rgw/rgw_http_client.cc
index c3ea3e38a69b..8b36c2f78e86 100644
--- a/src/rgw/rgw_http_client.cc
+++ b/src/rgw/rgw_http_client.cc
@@ -17,6 +17,7 @@
 #include "common/RefCountedObj.h"
 
 #include "rgw_coroutine.h"
+#include "rgw_tools.h"
 
 #include <atomic>
 
@@ -76,6 +77,10 @@ struct rgw_http_req_data : public RefCountedObject {
       async_wait(context, yield[ec]);
       return -ec.value();
     }
+    // work on asio threads should be asynchronous, so warn when they block
+    if (is_asio_thread) {
+      dout(20) << "WARNING: blocking http request" << dendl;
+    }
 #endif
     cond.Wait(lock);
     return ret;