From 909d573b10ddbfe45828d0e284517fb935cf7573 Mon Sep 17 00:00:00 2001
From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Mon, 4 Jan 2016 15:12:57 +0800
Subject: [PATCH] os: reset result code to errno for better tracing

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---
 src/os/kstore/KStore.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/os/kstore/KStore.cc b/src/os/kstore/KStore.cc
index 5d05fa15d12bd..ec7b5e14e493c 100644
--- a/src/os/kstore/KStore.cc
+++ b/src/os/kstore/KStore.cc
@@ -754,6 +754,7 @@ int KStore::_write_fsid()
   }
   r = ::fsync(fsid_fd);
   if (r < 0) {
+    r = -errno;
     derr << __func__ << " fsid fsync failed: " << cpp_strerror(r) << dendl;
     return r;
   }
-- 
2.39.5