From 6a9f944ab3fde77f6e3984c84f765eec249b15e0 Mon Sep 17 00:00:00 2001
From: Stig Telfer <stig@stackhpc.com>
Date: Sat, 10 Nov 2018 22:01:53 +0100
Subject: [PATCH] msg/async/rdma: retry if poll() returns EINTR

Fixes: https://tracker.ceph.com/issues/37292
Signed-off-by: Stig Telfer <stig@stackhpc.com>
---
 src/msg/async/rdma/RDMAStack.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/msg/async/rdma/RDMAStack.cc b/src/msg/async/rdma/RDMAStack.cc
index d8e2a4957cb3b..f63a8e7d1f2b4 100644
--- a/src/msg/async/rdma/RDMAStack.cc
+++ b/src/msg/async/rdma/RDMAStack.cc
@@ -15,6 +15,7 @@
  */
 
 #include <poll.h>
+#include <errno.h>
 #include <sys/time.h>
 #include <sys/resource.h>
 
@@ -284,7 +285,7 @@ void RDMADispatcher::polling()
         r = 0;
         perf_logger->set(l_msgr_rdma_polling, 0);
         while (!done && r == 0) {
-          r = poll(channel_poll, 2, 100);
+          r = TEMP_FAILURE_RETRY(poll(channel_poll, 2, 100));
           if (r < 0) {
             r = -errno;
             lderr(cct) << __func__ << " poll failed " << r << dendl;
-- 
2.39.5