From 9cae712d6f97588e0d5b4fe1e32104af6c4207aa Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Fri, 12 May 2017 16:06:51 -0400
Subject: [PATCH] os/bluestore/KernelDevice: fix flush() vs sync write()

We need to set the atomic flag so that a flush will actually flush.

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/os/bluestore/KernelDevice.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/os/bluestore/KernelDevice.cc b/src/os/bluestore/KernelDevice.cc
index 52cab96bbdd4f..f5069cf98b36c 100644
--- a/src/os/bluestore/KernelDevice.cc
+++ b/src/os/bluestore/KernelDevice.cc
@@ -559,6 +559,9 @@ int KernelDevice::_sync_write(uint64_t off, bufferlist &bl, bool buffered)
       return r;
     }
   }
+
+  io_since_flush.store(true);
+
   return 0;
 }
 
-- 
2.39.5