add 'assert(0)' for 'BlockDevice' flush failure

Signed-off-by: Haodong Tang <haodong.tang@intel.com>

diff --git a/src/os/bluestore/KernelDevice.cc b/src/os/bluestore/KernelDevice.cc
index 5c20a45dbc02a831a64b7a4587e992dbcf965a0d..6a226f97a7d8ba84d7e4ba024554af1ad174dc18 100644 (file)
--- a/src/os/bluestore/KernelDevice.cc
+++ b/src/os/bluestore/KernelDevice.cc
@@ -202,6 +202,7 @@ int KernelDevice::flush()
   if (r < 0) {
     r = -errno;
     derr << __func__ << " fdatasync got: " << cpp_strerror(r) << dendl;
+    assert(0);
   }
   dout(5) << __func__ << " in " << dur << dendl;;
   return r;