From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Mon, 4 Jan 2016 07:12:57 +0000 (+0800)
Subject: os: reset result code to errno for better tracing
X-Git-Tag: v10.0.3~131^2~4
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=909d573b10ddbfe45828d0e284517fb935cf7573;p=ceph.git

os: reset result code to errno for better tracing

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---

diff --git a/src/os/kstore/KStore.cc b/src/os/kstore/KStore.cc
index 5d05fa15d12b..ec7b5e14e493 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;
   }