From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Wed, 3 Feb 2016 02:34:55 +0000 (+0800)
Subject: KernelDevice: add error handling for sync_file_range
X-Git-Tag: v10.0.4~32^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=edf4e2e425a670c42d7491b7655a4cad12c81453;p=ceph.git

KernelDevice: add error handling for sync_file_range

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

diff --git a/src/os/bluestore/KernelDevice.cc b/src/os/bluestore/KernelDevice.cc
index c0391a775095..173926b567ae 100644
--- a/src/os/bluestore/KernelDevice.cc
+++ b/src/os/bluestore/KernelDevice.cc
@@ -407,7 +407,12 @@ int KernelDevice::aio_write(
     }
     if (buffered) {
       // initiate IO (but do not wait)
-      ::sync_file_range(fd_buffered, off, len, SYNC_FILE_RANGE_WRITE);
+      r = ::sync_file_range(fd_buffered, off, len, SYNC_FILE_RANGE_WRITE);
+      if (r < 0) {
+        r = -errno;
+        derr << __func__ << " sync_file_range error: " << cpp_strerror(r) << dendl;
+        return r;
+      }
     }
   }